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build: config spotless plugin and reformat code

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This commit is contained in:
Frank.R.Wu 2023-06-15 11:08:05 +08:00
parent 4d620b64f3
commit b9ac471185
19 changed files with 618 additions and 638 deletions
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3
build.gradle
View File

@ -4,6 +4,9 @@ plugins {
id 'maven-publish'
id 'signing'
}
apply from: '../spotless.gradle'
group 'org.bdware.bdcontract'
version '0.2.0'
sourceCompatibility = 1.8

153
src/main/java/org.zz/gmhelper/BCECUtil.java
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@ -57,15 +57,12 @@ public class BCECUtil {
}
public static KeyPair generateKeyPair(ECDomainParameters domainParameters, SecureRandom random)
throws NoSuchProviderException, NoSuchAlgorithmException, InvalidAlgorithmParameterException {
throws NoSuchProviderException, NoSuchAlgorithmException,
InvalidAlgorithmParameterException {
KeyPairGenerator kpg =
KeyPairGenerator.getInstance(ALGO_NAME_EC, BouncyCastleProvider.PROVIDER_NAME);
ECParameterSpec parameterSpec =
new ECParameterSpec(
domainParameters.getCurve(),
domainParameters.getG(),
domainParameters.getN(),
domainParameters.getH());
ECParameterSpec parameterSpec = new ECParameterSpec(domainParameters.getCurve(),
domainParameters.getG(), domainParameters.getN(), domainParameters.getH());
kpg.initialize(parameterSpec, (null == random ? new SecureRandom() : random));
return kpg.generateKeyPair();
}
@ -93,32 +90,32 @@ public class BCECUtil {
}
/**
* @param dHex 十六进制字符串形式的私钥d值，如果是SM2算法，Hex字符串长度应该是64（即32字节）
* @param dHex 十六进制字符串形式的私钥d值，如果是SM2算法，Hex字符串长度应该是64（即32字节）
* @param domainParameters EC Domain参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
* @return
*/
public static ECPrivateKeyParameters createECPrivateKeyParameters(
String dHex, ECDomainParameters domainParameters) {
public static ECPrivateKeyParameters createECPrivateKeyParameters(String dHex,
ECDomainParameters domainParameters) {
return createECPrivateKeyParameters(ByteUtils.fromHexString(dHex), domainParameters);
}
/**
* @param dBytes 字节数组形式的私钥d值，如果是SM2算法，应该是32字节
* @param dBytes 字节数组形式的私钥d值，如果是SM2算法，应该是32字节
* @param domainParameters EC Domain参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
* @return
*/
public static ECPrivateKeyParameters createECPrivateKeyParameters(
byte[] dBytes, ECDomainParameters domainParameters) {
public static ECPrivateKeyParameters createECPrivateKeyParameters(byte[] dBytes,
ECDomainParameters domainParameters) {
return createECPrivateKeyParameters(new BigInteger(1, dBytes), domainParameters);
}
/**
* @param d 大数形式的私钥d值
* @param d 大数形式的私钥d值
* @param domainParameters EC Domain参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
* @return
*/
public static ECPrivateKeyParameters createECPrivateKeyParameters(
BigInteger d, ECDomainParameters domainParameters) {
public static ECPrivateKeyParameters createECPrivateKeyParameters(BigInteger d,
ECDomainParameters domainParameters) {
return new ECPrivateKeyParameters(d, domainParameters);
}
@ -128,46 +125,48 @@ public class BCECUtil {
* @param priKey ECC私钥参数对象
* @return
*/
public static ECPublicKeyParameters buildECPublicKeyByPrivateKey(ECPrivateKeyParameters priKey) {
public static ECPublicKeyParameters buildECPublicKeyByPrivateKey(
ECPrivateKeyParameters priKey) {
ECDomainParameters domainParameters = priKey.getParameters();
ECPoint q = new FixedPointCombMultiplier().multiply(domainParameters.getG(), priKey.getD());
return new ECPublicKeyParameters(q, domainParameters);
}
/**
* @param x 大数形式的公钥x分量
* @param y 大数形式的公钥y分量
* @param curve EC曲线参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#CURVE}
* @param x 大数形式的公钥x分量
* @param y 大数形式的公钥y分量
* @param curve EC曲线参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#CURVE}
* @param domainParameters EC Domain参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
* @return
*/
public static ECPublicKeyParameters createECPublicKeyParameters(
BigInteger x, BigInteger y, ECCurve curve, ECDomainParameters domainParameters) {
return createECPublicKeyParameters(x.toByteArray(), y.toByteArray(), curve, domainParameters);
public static ECPublicKeyParameters createECPublicKeyParameters(BigInteger x, BigInteger y,
ECCurve curve, ECDomainParameters domainParameters) {
return createECPublicKeyParameters(x.toByteArray(), y.toByteArray(), curve,
domainParameters);
}
/**
* @param xHex 十六进制形式的公钥x分量，如果是SM2算法，Hex字符串长度应该是64（即32字节）
* @param yHex 十六进制形式的公钥y分量，如果是SM2算法，Hex字符串长度应该是64（即32字节）
* @param curve EC曲线参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#CURVE}
* @param xHex 十六进制形式的公钥x分量，如果是SM2算法，Hex字符串长度应该是64（即32字节）
* @param yHex 十六进制形式的公钥y分量，如果是SM2算法，Hex字符串长度应该是64（即32字节）
* @param curve EC曲线参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#CURVE}
* @param domainParameters EC Domain参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
* @return
*/
public static ECPublicKeyParameters createECPublicKeyParameters(
String xHex, String yHex, ECCurve curve, ECDomainParameters domainParameters) {
return createECPublicKeyParameters(
ByteUtils.fromHexString(xHex), ByteUtils.fromHexString(yHex), curve, domainParameters);
public static ECPublicKeyParameters createECPublicKeyParameters(String xHex, String yHex,
ECCurve curve, ECDomainParameters domainParameters) {
return createECPublicKeyParameters(ByteUtils.fromHexString(xHex),
ByteUtils.fromHexString(yHex), curve, domainParameters);
}
/**
* @param xBytes 十六进制形式的公钥x分量，如果是SM2算法，应该是32字节
* @param yBytes 十六进制形式的公钥y分量，如果是SM2算法，应该是32字节
* @param curve EC曲线参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#CURVE}
* @param xBytes 十六进制形式的公钥x分量，如果是SM2算法，应该是32字节
* @param yBytes 十六进制形式的公钥y分量，如果是SM2算法，应该是32字节
* @param curve EC曲线参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#CURVE}
* @param domainParameters EC Domain参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
* @return
*/
public static ECPublicKeyParameters createECPublicKeyParameters(
byte[] xBytes, byte[] yBytes, ECCurve curve, ECDomainParameters domainParameters) {
public static ECPublicKeyParameters createECPublicKeyParameters(byte[] xBytes, byte[] yBytes,
ECCurve curve, ECDomainParameters domainParameters) {
final byte uncompressedFlag = 0x04;
int curveLength = getCurveLength(domainParameters);
xBytes = fixToCurveLengthBytes(curveLength, xBytes);
@ -180,44 +179,35 @@ public class BCECUtil {
}
/**
* @param str 十六进制形式的公钥x分量，如果是SM2算法，应该是32字节
* @param curve EC曲线参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#CURVE}
* @param str 十六进制形式的公钥x分量，如果是SM2算法，应该是32字节
* @param curve EC曲线参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#CURVE}
* @param domainParameters EC Domain参数，一般是固定的，如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
* @return
*/
public static ECPublicKeyParameters createECPublicKeyFromStrParameters(
String str, ECCurve curve, ECDomainParameters domainParameters) {
return new ECPublicKeyParameters(
curve.decodePoint(ByteUtils.fromHexString(str)), domainParameters);
public static ECPublicKeyParameters createECPublicKeyFromStrParameters(String str,
ECCurve curve, ECDomainParameters domainParameters) {
return new ECPublicKeyParameters(curve.decodePoint(ByteUtils.fromHexString(str)),
domainParameters);
}
public static ECPrivateKeyParameters convertPrivateKeyToParameters(BCECPrivateKey ecPriKey) {
ECParameterSpec parameterSpec = ecPriKey.getParameters();
ECDomainParameters domainParameters =
new ECDomainParameters(
parameterSpec.getCurve(),
parameterSpec.getG(),
parameterSpec.getN(),
parameterSpec.getH());
ECDomainParameters domainParameters = new ECDomainParameters(parameterSpec.getCurve(),
parameterSpec.getG(), parameterSpec.getN(), parameterSpec.getH());
return new ECPrivateKeyParameters(ecPriKey.getD(), domainParameters);
}
public static ECPublicKeyParameters convertPublicKeyToParameters(BCECPublicKey ecPubKey) {
ECParameterSpec parameterSpec = ecPubKey.getParameters();
ECDomainParameters domainParameters =
new ECDomainParameters(
parameterSpec.getCurve(),
parameterSpec.getG(),
parameterSpec.getN(),
parameterSpec.getH());
ECDomainParameters domainParameters = new ECDomainParameters(parameterSpec.getCurve(),
parameterSpec.getG(), parameterSpec.getN(), parameterSpec.getH());
return new ECPublicKeyParameters(ecPubKey.getQ(), domainParameters);
}
public static BCECPublicKey createPublicKeyFromSubjectPublicKeyInfo(
SubjectPublicKeyInfo subPubInfo)
throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException,
IOException {
SubjectPublicKeyInfo subPubInfo) throws NoSuchProviderException,
NoSuchAlgorithmException, InvalidKeySpecException, IOException {
return BCECUtil.convertX509ToECPublicKey(
subPubInfo.toASN1Primitive().getEncoded(ASN1Encoding.DER));
}
@ -229,19 +219,18 @@ public class BCECUtil {
* @param pubKey 可以为空，但是如果为空的话得到的结果OpenSSL可能解析不了
* @return
*/
public static byte[] convertECPrivateKeyToPKCS8(
ECPrivateKeyParameters priKey, ECPublicKeyParameters pubKey) {
public static byte[] convertECPrivateKeyToPKCS8(ECPrivateKeyParameters priKey,
ECPublicKeyParameters pubKey) {
ECDomainParameters domainParams = priKey.getParameters();
ECParameterSpec spec =
new ECParameterSpec(
domainParams.getCurve(), domainParams.getG(), domainParams.getN(), domainParams.getH());
ECParameterSpec spec = new ECParameterSpec(domainParams.getCurve(), domainParams.getG(),
domainParams.getN(), domainParams.getH());
BCECPublicKey publicKey = null;
if (pubKey != null) {
publicKey = new BCECPublicKey(ALGO_NAME_EC, pubKey, spec, BouncyCastleProvider.CONFIGURATION);
publicKey = new BCECPublicKey(ALGO_NAME_EC, pubKey, spec,
BouncyCastleProvider.CONFIGURATION);
}
BCECPrivateKey privateKey =
new BCECPrivateKey(
ALGO_NAME_EC, priKey, publicKey, spec, BouncyCastleProvider.CONFIGURATION);
BCECPrivateKey privateKey = new BCECPrivateKey(ALGO_NAME_EC, priKey, publicKey, spec,
BouncyCastleProvider.CONFIGURATION);
return privateKey.getEncoded();
}
@ -292,8 +281,8 @@ public class BCECUtil {
* @return
* @throws IOException
*/
public static byte[] convertECPrivateKeyToSEC1(
ECPrivateKeyParameters priKey, ECPublicKeyParameters pubKey) throws IOException {
public static byte[] convertECPrivateKeyToSEC1(ECPrivateKeyParameters priKey,
ECPublicKeyParameters pubKey) throws IOException {
byte[] pkcs8Bytes = convertECPrivateKeyToPKCS8(priKey, pubKey);
PrivateKeyInfo pki = PrivateKeyInfo.getInstance(pkcs8Bytes);
ASN1Encodable encodable = pki.parsePrivateKey();
@ -368,9 +357,8 @@ public class BCECUtil {
*/
public static byte[] convertECPublicKeyToX509(ECPublicKeyParameters pubKey) {
ECDomainParameters domainParams = pubKey.getParameters();
ECParameterSpec spec =
new ECParameterSpec(
domainParams.getCurve(), domainParams.getG(), domainParams.getN(), domainParams.getH());
ECParameterSpec spec = new ECParameterSpec(domainParams.getCurve(), domainParams.getG(),
domainParams.getN(), domainParams.getH());
BCECPublicKey publicKey =
new BCECPublicKey(ALGO_NAME_EC, pubKey, spec, BouncyCastleProvider.CONFIGURATION);
return publicKey.getEncoded();
@ -473,23 +461,18 @@ public class BCECUtil {
} else {
ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
X9ECParameters ecP =
new X9ECParameters(
curve,
new X9ECPoint(EC5Util.convertPoint(curve, ecSpec.getGenerator()), withCompression),
ecSpec.getOrder(),
BigInteger.valueOf(ecSpec.getCofactor()),
ecSpec.getCurve().getSeed());
X9ECParameters ecP = new X9ECParameters(curve,
new X9ECPoint(EC5Util.convertPoint(curve, ecSpec.getGenerator()),
withCompression),
ecSpec.getOrder(), BigInteger.valueOf(ecSpec.getCofactor()),
ecSpec.getCurve().getSeed());
//// 如果是1.62或更低版本的bcprov-jdk15on应该使用以下这段代码，因为高版本的EC5Util.convertPoint没有向下兼容
/*
X9ECParameters ecP = new X9ECParameters(
curve,
EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
ecSpec.getOrder(),
BigInteger.valueOf(ecSpec.getCofactor()),
ecSpec.getCurve().getSeed());
*/
/*
* X9ECParameters ecP = new X9ECParameters( curve, EC5Util.convertPoint(curve,
* ecSpec.getGenerator(), withCompression), ecSpec.getOrder(),
* BigInteger.valueOf(ecSpec.getCofactor()), ecSpec.getCurve().getSeed());
*/
params = new X962Parameters(ecP);
}

60
src/main/java/org.zz/gmhelper/SM2KeyExchangeUtil.java
View File

@ -7,51 +7,53 @@ import java.util.Arrays;
public class SM2KeyExchangeUtil {
/**
* @param initiator true表示发起方，false表示响应方
* @param keyBits 生成的密钥长度
* @param selfStaticPriv 己方固定私钥
* @param initiator true表示发起方，false表示响应方
* @param keyBits 生成的密钥长度
* @param selfStaticPriv 己方固定私钥
* @param selfEphemeralPriv 己方临时私钥
* @param selfId 己方ID
* @param otherStaticPub 对方固定公钥
* @param selfId 己方ID
* @param otherStaticPub 对方固定公钥
* @param otherEphemeralPub 对方临时公钥
* @param otherId 对方ID
* @param otherId 对方ID
* @return 返回协商出的密钥，但是这个密钥是没有经过确认的
*/
public static byte[] calculateKey(boolean initiator, int keyBits,
ECPrivateKeyParameters selfStaticPriv, ECPrivateKeyParameters selfEphemeralPriv, byte[] selfId,
ECPublicKeyParameters otherStaticPub, ECPublicKeyParameters otherEphemeralPub, byte[] otherId) {
ECPrivateKeyParameters selfStaticPriv, ECPrivateKeyParameters selfEphemeralPriv,
byte[] selfId, ECPublicKeyParameters otherStaticPub,
ECPublicKeyParameters otherEphemeralPub, byte[] otherId) {
SM2KeyExchange exch = new SM2KeyExchange();
exch.init(new ParametersWithID(
new SM2KeyExchangePrivateParameters(initiator, selfStaticPriv, selfEphemeralPriv),
selfId));
return exch.calculateKey(
keyBits,
new ParametersWithID(new SM2KeyExchangePublicParameters(otherStaticPub, otherEphemeralPub), otherId));
new SM2KeyExchangePrivateParameters(initiator, selfStaticPriv, selfEphemeralPriv),
selfId));
return exch.calculateKey(keyBits, new ParametersWithID(
new SM2KeyExchangePublicParameters(otherStaticPub, otherEphemeralPub), otherId));
}
/**
* @param initiator true表示发起方，false表示响应方
* @param keyBits 生成的密钥长度
* @param confirmationTag 确认信息，如果是响应方可以为null；如果是发起方则应为响应方的s1
* @param selfStaticPriv 己方固定私钥
* @param initiator true表示发起方，false表示响应方
* @param keyBits 生成的密钥长度
* @param confirmationTag 确认信息，如果是响应方可以为null；如果是发起方则应为响应方的s1
* @param selfStaticPriv 己方固定私钥
* @param selfEphemeralPriv 己方临时私钥
* @param selfId 己方ID
* @param otherStaticPub 对方固定公钥
* @param selfId 己方ID
* @param otherStaticPub 对方固定公钥
* @param otherEphemeralPub 对方临时公钥
* @param otherId 对方ID
* @param otherId 对方ID
* @return
*/
public static ExchangeResult calculateKeyWithConfirmation(boolean initiator, int keyBits, byte[] confirmationTag,
ECPrivateKeyParameters selfStaticPriv, ECPrivateKeyParameters selfEphemeralPriv, byte[] selfId,
ECPublicKeyParameters otherStaticPub, ECPublicKeyParameters otherEphemeralPub, byte[] otherId) {
public static ExchangeResult calculateKeyWithConfirmation(boolean initiator, int keyBits,
byte[] confirmationTag, ECPrivateKeyParameters selfStaticPriv,
ECPrivateKeyParameters selfEphemeralPriv, byte[] selfId,
ECPublicKeyParameters otherStaticPub, ECPublicKeyParameters otherEphemeralPub,
byte[] otherId) {
SM2KeyExchange exch = new SM2KeyExchange();
exch.init(new ParametersWithID(
new SM2KeyExchangePrivateParameters(initiator, selfStaticPriv, selfEphemeralPriv),
selfId));
byte[][] result = exch.calculateKeyWithConfirmation(
keyBits,
confirmationTag,
new ParametersWithID(new SM2KeyExchangePublicParameters(otherStaticPub, otherEphemeralPub), otherId));
new SM2KeyExchangePrivateParameters(initiator, selfStaticPriv, selfEphemeralPriv),
selfId));
byte[][] result = exch.calculateKeyWithConfirmation(keyBits, confirmationTag,
new ParametersWithID(
new SM2KeyExchangePublicParameters(otherStaticPub, otherEphemeralPub),
otherId));
ExchangeResult confirmResult = new ExchangeResult();
confirmResult.setKey(result[0]);
if (initiator) {

34
src/main/java/org.zz/gmhelper/SM2KeyPair.java
View File

@ -32,15 +32,14 @@ public class SM2KeyPair {
JsonObject jo = JsonParser.parseString(jsonStr).getAsJsonObject();
String publicKeyStr = jo.get("publicKey").getAsString();
String privateKeyStr = jo.get("privateKey").getAsString();
ECPublicKeyParameters point =
BCECUtil.createECPublicKeyFromStrParameters(
publicKeyStr, SM2Util.CURVE, SM2Util.DOMAIN_PARAMS);
ECPublicKeyParameters point = BCECUtil.createECPublicKeyFromStrParameters(publicKeyStr,
SM2Util.CURVE, SM2Util.DOMAIN_PARAMS);
return new SM2KeyPair(point, new BigInteger(privateKeyStr, 16));
}
public static ECPublicKeyParameters publicKeyStr2ECPoint(String pubKey) {
return BCECUtil.createECPublicKeyFromStrParameters(
pubKey, SM2Util.CURVE, SM2Util.DOMAIN_PARAMS);
return BCECUtil.createECPublicKeyFromStrParameters(pubKey, SM2Util.CURVE,
SM2Util.DOMAIN_PARAMS);
}
public ECPublicKeyParameters getPublicKey() {
@ -74,29 +73,16 @@ public class SM2KeyPair {
public KeyPair toJavaSecurity() {
ECDomainParameters domainParams = privateKey.getParameters();
ECParameterSpec spec =
new ECParameterSpec(
domainParams.getCurve(),
domainParams.getG(),
domainParams.getN(),
domainParams.getH());
ECParameterSpec spec = new ECParameterSpec(domainParams.getCurve(), domainParams.getG(),
domainParams.getN(), domainParams.getH());
BCECPublicKey bcPublicKey = null;
BCECPrivateKey bcPrivateKey;
if (null != publicKey) {
bcPublicKey =
new BCECPublicKey(
BCECUtil.ALGO_NAME_EC,
publicKey,
spec,
BouncyCastleProvider.CONFIGURATION);
bcPublicKey = new BCECPublicKey(BCECUtil.ALGO_NAME_EC, publicKey, spec,
BouncyCastleProvider.CONFIGURATION);
}
bcPrivateKey =
new BCECPrivateKey(
BCECUtil.ALGO_NAME_EC,
privateKey,
bcPublicKey,
spec,
BouncyCastleProvider.CONFIGURATION);
bcPrivateKey = new BCECPrivateKey(BCECUtil.ALGO_NAME_EC, privateKey, bcPublicKey, spec,
BouncyCastleProvider.CONFIGURATION);
return new KeyPair(bcPublicKey, bcPrivateKey);
}

33
src/main/java/org.zz/gmhelper/SM2PreprocessSigner.java
View File

@ -20,7 +20,7 @@ import java.math.BigInteger;
* 有的国密需求是用户可以自己做预处理，签名验签只是对预处理的结果进行签名和验签
*/
public class SM2PreprocessSigner implements ECConstants {
private static final int DIGEST_LENGTH = 32; // bytes
private static final int DIGEST_LENGTH = 32; // bytes
private final DSAKCalculator kCalculator = new RandomDSAKCalculator();
private Digest digest = null;
@ -44,11 +44,12 @@ public class SM2PreprocessSigner implements ECConstants {
* 初始化
*
* @param forSigning true表示用于签名，false表示用于验签
* @param digest SM2算法的话，一般是采用SM3摘要算法
* @param digest SM2算法的话，一般是采用SM3摘要算法
* @param param
* @throws RuntimeException
*/
public void init(boolean forSigning, Digest digest, CipherParameters param) throws RuntimeException {
public void init(boolean forSigning, Digest digest, CipherParameters param)
throws RuntimeException {
CipherParameters baseParam;
if (digest.getDigestSize() != DIGEST_LENGTH) {
@ -76,7 +77,8 @@ public class SM2PreprocessSigner implements ECConstants {
ecParams = ecKey.getParameters();
kCalculator.init(ecParams.getN(), CryptoServicesRegistrar.getSecureRandom());
}
pubPoint = createBasePointMultiplier().multiply(ecParams.getG(), ((ECPrivateKeyParameters) ecKey).getD()).normalize();
pubPoint = createBasePointMultiplier()
.multiply(ecParams.getG(), ((ECPrivateKeyParameters) ecKey).getD()).normalize();
} else {
ecKey = (ECKeyParameters) baseParam;
ecParams = ecKey.getParameters();
@ -85,10 +87,7 @@ public class SM2PreprocessSigner implements ECConstants {
}
/**
* 预处理，辅助方法
* ZA=H256(ENT LA ∥ IDA ∥ a ∥ b ∥ xG ∥yG ∥ xA ∥ yA)。
* M=ZA ∥ M；
* e = Hv(M)
* 预处理，辅助方法 ZA=H256(ENT LA ∥ IDA ∥ a ∥ b ∥ xG ∥yG ∥ xA ∥ yA)。 M=ZA ∥ M； e = Hv(M)
*
* @return
*/
@ -126,7 +125,7 @@ public class SM2PreprocessSigner implements ECConstants {
ECMultiplier basePointMultiplier = createBasePointMultiplier();
// 5.2.1 Draft RFC: SM2 Public Key Algorithms
// 5.2.1 Draft RFC: SM2 Public Key Algorithms
do // generate s
{
BigInteger k;
@ -140,16 +139,14 @@ public class SM2PreprocessSigner implements ECConstants {
// A5
r = e.add(p.getAffineXCoord().toBigInteger()).mod(n);
}
while (r.equals(ZERO) || r.add(k).equals(n));
} while (r.equals(ZERO) || r.add(k).equals(n));
// A6
BigInteger dPlus1ModN = d.add(ONE).modInverse(n);
s = k.subtract(r.multiply(d)).mod(n);
s = dPlus1ModN.multiply(s).mod(n);
}
while (s.equals(ZERO));
} while (s.equals(ZERO));
// A7
try {
@ -162,7 +159,7 @@ public class SM2PreprocessSigner implements ECConstants {
private boolean verifySignature(byte[] eHash, BigInteger r, BigInteger s) {
BigInteger n = ecParams.getN();
// 5.3.1 Draft RFC: SM2 Public Key Algorithms
// 5.3.1 Draft RFC: SM2 Public Key Algorithms
// B1
if (r.compareTo(ONE) < 0 || r.compareTo(n) >= 0) {
return false;
@ -245,8 +242,7 @@ public class SM2PreprocessSigner implements ECConstants {
return new BigInteger(1, message);
}
protected BigInteger[] derDecode(byte[] encoding)
throws IOException {
protected BigInteger[] derDecode(byte[] encoding) throws IOException {
ASN1Sequence seq = ASN1Sequence.getInstance(ASN1Primitive.fromByteArray(encoding));
if (seq.size() != 2) {
return null;
@ -260,11 +256,10 @@ public class SM2PreprocessSigner implements ECConstants {
return null;
}
return new BigInteger[]{r, s};
return new BigInteger[] {r, s};
}
protected byte[] derEncode(BigInteger r, BigInteger s)
throws IOException {
protected byte[] derEncode(BigInteger r, BigInteger s) throws IOException {
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(new ASN1Integer(r));

347
src/main/java/org.zz/gmhelper/SM2Signer.java
View File

@ -19,195 +19,196 @@ import org.bouncycastle.util.encoders.Hex;
import java.math.BigInteger;
public class SM2Signer implements Signer, ECConstants {
private final DSAKCalculator kCalculator;
private final Digest digest;
private final DSAEncoding encoding;
private ECDomainParameters ecParams;
private ECPoint pubPoint;
private ECKeyParameters ecKey;
private byte[] z;
private final DSAKCalculator kCalculator;
private final Digest digest;
private final DSAEncoding encoding;
private ECDomainParameters ecParams;
private ECPoint pubPoint;
private ECKeyParameters ecKey;
private byte[] z;
public SM2Signer() {
this(StandardDSAEncoding.INSTANCE, new SM3Digest());
}
public SM2Signer(Digest var1) {
this(StandardDSAEncoding.INSTANCE, var1);
}
public SM2Signer(DSAEncoding var1) {
this.kCalculator = new RandomDSAKCalculator();
this.encoding = var1;
this.digest = new SM3Digest();
}
public SM2Signer(DSAEncoding var1, Digest var2) {
this.kCalculator = new RandomDSAKCalculator();
this.encoding = var1;
this.digest = var2;
}
public void init(boolean var1, CipherParameters var2) {
CipherParameters var3;
byte[] var4;
if (var2 instanceof ParametersWithID) {
var3 = ((ParametersWithID) var2).getParameters();
var4 = ((ParametersWithID) var2).getID();
if (var4.length >= 8192) {
throw new IllegalArgumentException("SM2 user ID must be less than 2^16 bits long");
}
} else {
var3 = var2;
var4 = Hex.decodeStrict("31323334353637383132333435363738");
public SM2Signer() {
this(StandardDSAEncoding.INSTANCE, new SM3Digest());
}
if (var1) {
if (var3 instanceof ParametersWithRandom) {
ParametersWithRandom var5 = (ParametersWithRandom) var3;
this.ecKey = (ECKeyParameters) var5.getParameters();
this.ecParams = this.ecKey.getParameters();
this.kCalculator.init(this.ecParams.getN(), var5.getRandom());
} else {
this.ecKey = (ECKeyParameters) var3;
this.ecParams = this.ecKey.getParameters();
this.kCalculator.init(this.ecParams.getN(), CryptoServicesRegistrar.getSecureRandom());
}
this.pubPoint =
this.createBasePointMultiplier()
.multiply(this.ecParams.getG(), ((ECPrivateKeyParameters) this.ecKey).getD())
.normalize();
} else {
this.ecKey = (ECKeyParameters) var3;
this.ecParams = this.ecKey.getParameters();
this.pubPoint = ((ECPublicKeyParameters) this.ecKey).getQ();
public SM2Signer(Digest var1) {
this(StandardDSAEncoding.INSTANCE, var1);
}
this.z = this.getZ(var4);
this.digest.update(this.z, 0, this.z.length);
}
public void update(byte var1) {
this.digest.update(var1);
}
public void update(byte[] var1, int var2, int var3) {
this.digest.update(var1, var2, var3);
}
public boolean verifySignature(byte[] var1) {
try {
BigInteger[] var2 = this.encoding.decode(this.ecParams.getN(), var1);
return this.verifySignature(var2[0], var2[1]);
} catch (Exception var3) {
return false;
public SM2Signer(DSAEncoding var1) {
this.kCalculator = new RandomDSAKCalculator();
this.encoding = var1;
this.digest = new SM3Digest();
}
}
public void reset() {
this.digest.reset();
if (this.z != null) {
this.digest.update(this.z, 0, this.z.length);
public SM2Signer(DSAEncoding var1, Digest var2) {
this.kCalculator = new RandomDSAKCalculator();
this.encoding = var1;
this.digest = var2;
}
}
public byte[] generateSignature() throws CryptoException {
byte[] var1 = this.digestDoFinal();
BigInteger n = this.ecParams.getN();
BigInteger var3 = this.calculateE(n , var1);
BigInteger var4 = ((ECPrivateKeyParameters) this.ecKey).getD();
ECMultiplier var7 = this.createBasePointMultiplier();
while (true) {
BigInteger var5;
BigInteger k;
do {
k = this.kCalculator.nextK();
ECPoint var9 = var7.multiply(this.ecParams.getG(), k).normalize();
var5 = var3.add(var9.getAffineXCoord().toBigInteger()).mod(n);
} while (var5.equals(ZERO));
if (!var5.add(k).equals(n )) {
BigInteger var11 = BigIntegers.modOddInverse(n, var4.add(ONE));
BigInteger var6 = k.subtract(var5.multiply(var4)).mod(n);
var6 = var11.multiply(var6).mod(n);
if (!var6.equals(ZERO)) {
try {
return this.encoding.encode(this.ecParams.getN(), var5, var6);
} catch (Exception var10) {
throw new CryptoException("unable to encode signature: " + var10.getMessage(), var10);
}
}
}
}
}
private boolean verifySignature(BigInteger var1, BigInteger var2) {
BigInteger var3 = this.ecParams.getN();
if (var1.compareTo(ONE) >= 0 && var1.compareTo(var3) < 0) {
if (var2.compareTo(ONE) >= 0 && var2.compareTo(var3) < 0) {
byte[] var4 = this.digestDoFinal();
BigInteger var5 = this.calculateE(var3, var4);
BigInteger var6 = var1.add(var2).mod(var3);
if (var6.equals(ZERO)) {
return false;
public void init(boolean var1, CipherParameters var2) {
CipherParameters var3;
byte[] var4;
if (var2 instanceof ParametersWithID) {
var3 = ((ParametersWithID) var2).getParameters();
var4 = ((ParametersWithID) var2).getID();
if (var4.length >= 8192) {
throw new IllegalArgumentException("SM2 user ID must be less than 2^16 bits long");
}
} else {
ECPoint var7 = ((ECPublicKeyParameters) this.ecKey).getQ();
ECPoint var8 =
ECAlgorithms.sumOfTwoMultiplies(this.ecParams.getG(), var2, var7, var6).normalize();
if (var8.isInfinity()) {
return false;
} else {
BigInteger var9 = var5.add(var8.getAffineXCoord().toBigInteger()).mod(var3);
return var9.equals(var1);
}
var3 = var2;
var4 = Hex.decodeStrict("31323334353637383132333435363738");
}
} else {
return false;
}
} else {
return false;
if (var1) {
if (var3 instanceof ParametersWithRandom) {
ParametersWithRandom var5 = (ParametersWithRandom) var3;
this.ecKey = (ECKeyParameters) var5.getParameters();
this.ecParams = this.ecKey.getParameters();
this.kCalculator.init(this.ecParams.getN(), var5.getRandom());
} else {
this.ecKey = (ECKeyParameters) var3;
this.ecParams = this.ecKey.getParameters();
this.kCalculator.init(this.ecParams.getN(),
CryptoServicesRegistrar.getSecureRandom());
}
this.pubPoint = this.createBasePointMultiplier()
.multiply(this.ecParams.getG(), ((ECPrivateKeyParameters) this.ecKey).getD())
.normalize();
} else {
this.ecKey = (ECKeyParameters) var3;
this.ecParams = this.ecKey.getParameters();
this.pubPoint = ((ECPublicKeyParameters) this.ecKey).getQ();
}
this.z = this.getZ(var4);
this.digest.update(this.z, 0, this.z.length);
}
}
private byte[] digestDoFinal() {
byte[] var1 = new byte[this.digest.getDigestSize()];
this.digest.doFinal(var1, 0);
this.reset();
return var1;
}
public void update(byte var1) {
this.digest.update(var1);
}
private byte[] getZ(byte[] var1) {
this.digest.reset();
this.addUserID(this.digest, var1);
this.addFieldElement(this.digest, this.ecParams.getCurve().getA());
this.addFieldElement(this.digest, this.ecParams.getCurve().getB());
this.addFieldElement(this.digest, this.ecParams.getG().getAffineXCoord());
this.addFieldElement(this.digest, this.ecParams.getG().getAffineYCoord());
this.addFieldElement(this.digest, this.pubPoint.getAffineXCoord());
this.addFieldElement(this.digest, this.pubPoint.getAffineYCoord());
byte[] var2 = new byte[this.digest.getDigestSize()];
this.digest.doFinal(var2, 0);
return var2;
}
public void update(byte[] var1, int var2, int var3) {
this.digest.update(var1, var2, var3);
}
private void addUserID(Digest var1, byte[] var2) {
int var3 = var2.length * 8;
var1.update((byte) (var3 >> 8 & 255));
var1.update((byte) (var3 & 255));
var1.update(var2, 0, var2.length);
}
public boolean verifySignature(byte[] var1) {
try {
BigInteger[] var2 = this.encoding.decode(this.ecParams.getN(), var1);
return this.verifySignature(var2[0], var2[1]);
} catch (Exception var3) {
return false;
}
}
private void addFieldElement(Digest var1, ECFieldElement var2) {
byte[] var3 = var2.getEncoded();
var1.update(var3, 0, var3.length);
}
public void reset() {
this.digest.reset();
if (this.z != null) {
this.digest.update(this.z, 0, this.z.length);
}
}
protected ECMultiplier createBasePointMultiplier() {
return new FixedPointCombMultiplier();
}
public byte[] generateSignature() throws CryptoException {
byte[] var1 = this.digestDoFinal();
BigInteger n = this.ecParams.getN();
BigInteger var3 = this.calculateE(n, var1);
BigInteger var4 = ((ECPrivateKeyParameters) this.ecKey).getD();
ECMultiplier var7 = this.createBasePointMultiplier();
protected BigInteger calculateE(BigInteger var1, byte[] var2) {
return new BigInteger(1, var2);
}
while (true) {
BigInteger var5;
BigInteger k;
do {
k = this.kCalculator.nextK();
ECPoint var9 = var7.multiply(this.ecParams.getG(), k).normalize();
var5 = var3.add(var9.getAffineXCoord().toBigInteger()).mod(n);
} while (var5.equals(ZERO));
if (!var5.add(k).equals(n)) {
BigInteger var11 = BigIntegers.modOddInverse(n, var4.add(ONE));
BigInteger var6 = k.subtract(var5.multiply(var4)).mod(n);
var6 = var11.multiply(var6).mod(n);
if (!var6.equals(ZERO)) {
try {
return this.encoding.encode(this.ecParams.getN(), var5, var6);
} catch (Exception var10) {
throw new CryptoException(
"unable to encode signature: " + var10.getMessage(), var10);
}
}
}
}
}
private boolean verifySignature(BigInteger var1, BigInteger var2) {
BigInteger var3 = this.ecParams.getN();
if (var1.compareTo(ONE) >= 0 && var1.compareTo(var3) < 0) {
if (var2.compareTo(ONE) >= 0 && var2.compareTo(var3) < 0) {
byte[] var4 = this.digestDoFinal();
BigInteger var5 = this.calculateE(var3, var4);
BigInteger var6 = var1.add(var2).mod(var3);
if (var6.equals(ZERO)) {
return false;
} else {
ECPoint var7 = ((ECPublicKeyParameters) this.ecKey).getQ();
ECPoint var8 = ECAlgorithms
.sumOfTwoMultiplies(this.ecParams.getG(), var2, var7, var6).normalize();
if (var8.isInfinity()) {
return false;
} else {
BigInteger var9 = var5.add(var8.getAffineXCoord().toBigInteger()).mod(var3);
return var9.equals(var1);
}
}
} else {
return false;
}
} else {
return false;
}
}
private byte[] digestDoFinal() {
byte[] var1 = new byte[this.digest.getDigestSize()];
this.digest.doFinal(var1, 0);
this.reset();
return var1;
}
private byte[] getZ(byte[] var1) {
this.digest.reset();
this.addUserID(this.digest, var1);
this.addFieldElement(this.digest, this.ecParams.getCurve().getA());
this.addFieldElement(this.digest, this.ecParams.getCurve().getB());
this.addFieldElement(this.digest, this.ecParams.getG().getAffineXCoord());
this.addFieldElement(this.digest, this.ecParams.getG().getAffineYCoord());
this.addFieldElement(this.digest, this.pubPoint.getAffineXCoord());
this.addFieldElement(this.digest, this.pubPoint.getAffineYCoord());
byte[] var2 = new byte[this.digest.getDigestSize()];
this.digest.doFinal(var2, 0);
return var2;
}
private void addUserID(Digest var1, byte[] var2) {
int var3 = var2.length * 8;
var1.update((byte) (var3 >> 8 & 255));
var1.update((byte) (var3 & 255));
var1.update(var2, 0, var2.length);
}
private void addFieldElement(Digest var1, ECFieldElement var2) {
byte[] var3 = var2.getEncoded();
var1.update(var3, 0, var3.length);
}
protected ECMultiplier createBasePointMultiplier() {
return new FixedPointCombMultiplier();
}
protected BigInteger calculateE(BigInteger var1, byte[] var2) {
return new BigInteger(1, var2);
}
}

165
src/main/java/org.zz/gmhelper/SM2Util.java
View File

@ -44,21 +44,17 @@ public class SM2Util extends GMBaseUtil {
//////////////////////////////////////////////////////////////////////////////////////
public static final EllipticCurve JDK_CURVE =
new EllipticCurve(new ECFieldFp(SM2_ECC_P), SM2_ECC_A, SM2_ECC_B);
public static final java.security.spec.ECPoint JDK_G_POINT =
new java.security.spec.ECPoint(
G_POINT.getAffineXCoord().toBigInteger(),
G_POINT.getAffineYCoord().toBigInteger());
public static final java.security.spec.ECPoint JDK_G_POINT = new java.security.spec.ECPoint(
G_POINT.getAffineXCoord().toBigInteger(), G_POINT.getAffineYCoord().toBigInteger());
public static final java.security.spec.ECParameterSpec JDK_EC_SPEC =
new java.security.spec.ECParameterSpec(
JDK_CURVE, JDK_G_POINT, SM2_ECC_N, SM2_ECC_H.intValue());
new java.security.spec.ECParameterSpec(JDK_CURVE, JDK_G_POINT, SM2_ECC_N,
SM2_ECC_H.intValue());
public static final int SM3_DIGEST_LENGTH = 32;
//////////////////////////////////////////////////////////////////////////////////////
static ECCurve.Fp SM2_ECC_FP =
new ECCurve.Fp(
SM2_ECC_P, // q
SM2_ECC_A, // a
SM2_ECC_B); // b
static ECCurve.Fp SM2_ECC_FP = new ECCurve.Fp(SM2_ECC_P, // q
SM2_ECC_A, // a
SM2_ECC_B); // b
/**
* 生成ECC密钥对
@ -79,9 +75,8 @@ public class SM2Util extends GMBaseUtil {
* @throws NoSuchAlgorithmException
* @throws InvalidAlgorithmParameterException
*/
public static KeyPair generateKeyPair(SecureRandom random)
throws NoSuchProviderException, NoSuchAlgorithmException,
InvalidAlgorithmParameterException {
public static KeyPair generateKeyPair(SecureRandom random) throws NoSuchProviderException,
NoSuchAlgorithmException, InvalidAlgorithmParameterException {
return BCECUtil.generateKeyPair(DOMAIN_PARAMS, random);
}
@ -95,9 +90,8 @@ public class SM2Util extends GMBaseUtil {
BCECPrivateKey privateKey = (BCECPrivateKey) key.getPrivate();
BCECPublicKey publicKey = (BCECPublicKey) key.getPublic();
byte[] point = publicKey.getQ().getEncoded(false);
ECPublicKeyParameters parameters =
BCECUtil.createECPublicKeyFromStrParameters(
ByteUtils.toHexString(point), CURVE, DOMAIN_PARAMS);
ECPublicKeyParameters parameters = BCECUtil.createECPublicKeyFromStrParameters(
ByteUtils.toHexString(point), CURVE, DOMAIN_PARAMS);
return new SM2KeyPair(parameters, privateKey.getD());
} catch (Exception e) {
e.printStackTrace();
@ -129,7 +123,7 @@ public class SM2Util extends GMBaseUtil {
}
/**
* @param pubKey 公钥
* @param pubKey 公钥
* @param srcData 原文
* @return 默认输出C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @throws InvalidCipherTextException
@ -141,8 +135,8 @@ public class SM2Util extends GMBaseUtil {
}
/**
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param pubKey 公钥
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param pubKey 公钥
* @param srcData 原文
* @return 根据mode不同，输出的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @throws InvalidCipherTextException
@ -155,7 +149,7 @@ public class SM2Util extends GMBaseUtil {
/**
* @param pubKeyParameters 公钥
* @param srcData 原文
* @param srcData 原文
* @return 默认输出C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @throws InvalidCipherTextException
*/
@ -165,9 +159,9 @@ public class SM2Util extends GMBaseUtil {
}
/**
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param pubKeyParameters 公钥
* @param srcData 原文
* @param srcData 原文
* @return 根据mode不同，输出的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @throws InvalidCipherTextException
*/
@ -180,8 +174,9 @@ public class SM2Util extends GMBaseUtil {
}
/**
* @param priKey 私钥
* @param sm2Cipher 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @param priKey 私钥
* @param sm2Cipher
* 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @return 原文。SM2解密返回了数据则一定是原文，因为SM2自带校验，如果密文被篡改或者密钥对不上，都是会直接报异常的。
* @throws InvalidCipherTextException
*/
@ -192,9 +187,10 @@ public class SM2Util extends GMBaseUtil {
}
/**
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param priKey 私钥
* @param sm2Cipher 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param priKey 私钥
* @param sm2Cipher
* 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @return 原文。SM2解密返回了数据则一定是原文，因为SM2自带校验，如果密文被篡改或者密钥对不上，都是会直接报异常的。
* @throws InvalidCipherTextException
*/
@ -206,7 +202,8 @@ public class SM2Util extends GMBaseUtil {
/**
* @param priKeyParameters 私钥
* @param sm2Cipher 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @param sm2Cipher
* 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @return 原文。SM2解密返回了数据则一定是原文，因为SM2自带校验，如果密文被篡改或者密钥对不上，都是会直接报异常的。
* @throws InvalidCipherTextException
*/
@ -216,15 +213,15 @@ public class SM2Util extends GMBaseUtil {
}
/**
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param priKeyParameters 私钥
* @param sm2Cipher 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @param sm2Cipher
* 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @return 原文。SM2解密返回了数据则一定是原文，因为SM2自带校验，如果密文被篡改或者密钥对不上，都是会直接报异常的。
* @throws InvalidCipherTextException
*/
public static byte[] decrypt(
Mode mode, ECPrivateKeyParameters priKeyParameters, byte[] sm2Cipher)
throws InvalidCipherTextException {
public static byte[] decrypt(Mode mode, ECPrivateKeyParameters priKeyParameters,
byte[] sm2Cipher) throws InvalidCipherTextException {
SM2Engine engine = new SM2Engine(mode);
engine.init(false, priKeyParameters);
if (sm2Cipher[0] != 4) {
@ -239,7 +236,8 @@ public class SM2Util extends GMBaseUtil {
/**
* 分解SM2密文
*
* @param cipherText 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @param cipherText
* 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @return
* @throws Exception
*/
@ -251,8 +249,9 @@ public class SM2Util extends GMBaseUtil {
/**
* 分解SM2密文
*
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param cipherText 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param cipherText
* 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @return
*/
public static SM2Cipher parseSM2Cipher(Mode mode, byte[] cipherText) throws Exception {
@ -261,9 +260,10 @@ public class SM2Util extends GMBaseUtil {
}
/**
* @param curveLength 曲线长度，SM2的话就是256位。
* @param curveLength 曲线长度，SM2的话就是256位。
* @param digestLength 摘要长度，如果是SM2的话因为默认使用SM3摘要，SM3摘要长度为32字节。
* @param cipherText 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @param cipherText
* 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @return
* @throws Exception
*/
@ -275,14 +275,15 @@ public class SM2Util extends GMBaseUtil {
/**
* 分解SM2密文
*
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param curveLength 曲线长度，SM2的话就是256位。
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param curveLength 曲线长度，SM2的话就是256位。
* @param digestLength 摘要长度，如果是SM2的话因为默认使用SM3摘要，SM3摘要长度为32字节。
* @param cipherText 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @param cipherText
* 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @return
*/
public static SM2Cipher parseSM2Cipher(
Mode mode, int curveLength, int digestLength, byte[] cipherText) throws Exception {
public static SM2Cipher parseSM2Cipher(Mode mode, int curveLength, int digestLength,
byte[] cipherText) throws Exception {
byte[] c1 = new byte[curveLength * 2 + 1];
byte[] c2 = new byte[cipherText.length - c1.length - digestLength];
byte[] c3 = new byte[digestLength];
@ -321,8 +322,9 @@ public class SM2Util extends GMBaseUtil {
/**
* DER编码密文
*
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param cipher 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param cipher
* 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @return 按指定mode DER编码后的密文
* @throws Exception
*/
@ -334,9 +336,9 @@ public class SM2Util extends GMBaseUtil {
/**
* DER编码密文
*
* @param curveLength 曲线长度，SM2的话就是256位。
* @param curveLength 曲线长度，SM2的话就是256位。
* @param digestLength 摘要长度，如果是SM2的话因为默认使用SM3摘要，SM3摘要长度为32字节。
* @param cipher 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @param cipher 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @return 默认输出按C1C3C2编码的结果
* @throws IOException
*/
@ -346,15 +348,16 @@ public class SM2Util extends GMBaseUtil {
}
/**
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param curveLength 曲线长度，SM2的话就是256位。
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param curveLength 曲线长度，SM2的话就是256位。
* @param digestLength 摘要长度，如果是SM2的话因为默认使用SM3摘要，SM3摘要长度为32字节。
* @param cipher 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @param cipher
* 根据mode不同，需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @return 按指定mode DER编码后的密文
* @throws Exception
*/
public static byte[] encodeSM2CipherToDER(
Mode mode, int curveLength, int digestLength, byte[] cipher) throws Exception {
public static byte[] encodeSM2CipherToDER(Mode mode, int curveLength, int digestLength,
byte[] cipher) throws Exception {
byte[] c1x = new byte[curveLength];
byte[] c1y = new byte[curveLength];
@ -379,8 +382,8 @@ public class SM2Util extends GMBaseUtil {
}
ASN1Encodable[] arr = new ASN1Encodable[4];
arr[0] = new ASN1Integer(new BigInteger(1,c1x));
arr[1] = new ASN1Integer(new BigInteger(1,c1y));
arr[0] = new ASN1Integer(new BigInteger(1, c1x));
arr[1] = new ASN1Integer(new BigInteger(1, c1y));
if (mode == Mode.C1C2C3) {
arr[2] = new DEROctetString(c2);
arr[3] = new DEROctetString(c3);
@ -403,7 +406,7 @@ public class SM2Util extends GMBaseUtil {
}
/**
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param mode 指定密文结构，旧标准的为C1C2C3，新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
* @param derCipher 根据mode输入C1C2C3或C1C3C2顺序DER编码后的密文
* @return 根据mode不同，输出的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识，这里固定为0x04，后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
* @throws Exception
@ -450,7 +453,7 @@ public class SM2Util extends GMBaseUtil {
/**
* 签名
*
* @param priKey 私钥
* @param priKey 私钥
* @param srcData 原文
* @return DER编码后的签名值
* @throws CryptoException
@ -464,7 +467,7 @@ public class SM2Util extends GMBaseUtil {
* 签名 不指定withId，则默认withId为字节数组:"1234567812345678".getBytes()
*
* @param priKeyParameters 私钥
* @param srcData 原文
* @param srcData 原文
* @return DER编码后的签名值
* @throws CryptoException
*/
@ -476,8 +479,8 @@ public class SM2Util extends GMBaseUtil {
/**
* 私钥签名
*
* @param priKey 私钥
* @param withId 可以为null，若为null，则默认withId为字节数组:"1234567812345678".getBytes()
* @param priKey 私钥
* @param withId 可以为null，若为null，则默认withId为字节数组:"1234567812345678".getBytes()
* @param srcData 原文
* @return DER编码后的签名值
* @throws CryptoException
@ -492,14 +495,13 @@ public class SM2Util extends GMBaseUtil {
* 签名
*
* @param priKeyParameters 私钥
* @param withId 可以为null，若为null，则默认withId为字节数组:"1234567812345678".getBytes()
* @param srcData 源数据
* @param withId 可以为null，若为null，则默认withId为字节数组:"1234567812345678".getBytes()
* @param srcData 源数据
* @return DER编码后的签名值
* @throws CryptoException
*/
public static byte[] sign(
ECPrivateKeyParameters priKeyParameters, byte[] withId, byte[] srcData)
throws CryptoException {
public static byte[] sign(ECPrivateKeyParameters priKeyParameters, byte[] withId,
byte[] srcData) throws CryptoException {
SM2Signer signer = new SM2Signer();
CipherParameters param = null;
ParametersWithRandom pwr = new ParametersWithRandom(priKeyParameters, new SecureRandom());
@ -576,22 +578,22 @@ public class SM2Util extends GMBaseUtil {
* 验签 不指定withId，则默认withId为字节数组:"1234567812345678".getBytes()
*
* @param pubKeyParameters 公钥
* @param srcData 原文
* @param sign DER编码的签名值
* @param srcData 原文
* @param sign DER编码的签名值
* @return 验签成功返回true，失败返回false
*/
public static boolean verify(
ECPublicKeyParameters pubKeyParameters, byte[] srcData, byte[] sign) {
public static boolean verify(ECPublicKeyParameters pubKeyParameters, byte[] srcData,
byte[] sign) {
return verify(pubKeyParameters, null, srcData, sign);
}
/**
* 验签
*
* @param pubKey 公钥
* @param withId 可以为null，若为null，则默认withId为字节数组:"1234567812345678".getBytes()
* @param pubKey 公钥
* @param withId 可以为null，若为null，则默认withId为字节数组:"1234567812345678".getBytes()
* @param srcData 原文
* @param sign DER编码的签名值
* @param sign DER编码的签名值
* @return
*/
public static boolean verify(BCECPublicKey pubKey, byte[] withId, byte[] srcData, byte[] sign) {
@ -603,13 +605,13 @@ public class SM2Util extends GMBaseUtil {
* 验签
*
* @param pubKeyParameters 公钥
* @param withId 可以为null，若为null，则默认withId为字节数组:"1234567812345678".getBytes()
* @param srcData 原文
* @param sign DER编码的签名值
* @param withId 可以为null，若为null，则默认withId为字节数组:"1234567812345678".getBytes()
* @param srcData 原文
* @param sign DER编码的签名值
* @return 验签成功返回true，失败返回false
*/
public static boolean verify(
ECPublicKeyParameters pubKeyParameters, byte[] withId, byte[] srcData, byte[] sign) {
public static boolean verify(ECPublicKeyParameters pubKeyParameters, byte[] withId,
byte[] srcData, byte[] sign) {
SM2Signer signer = new SM2Signer();
CipherParameters param;
if (withId != null) {
@ -647,13 +649,12 @@ public class SM2Util extends GMBaseUtil {
byte[] sigByte = ByteUtils.fromHexString(signature);
// TODO 是否需要der编码？
// try {
// sigByte = SM2Util.encodeSM2SignToDER(sigByte);
// sigByte = SM2Util.encodeSM2SignToDER(sigByte);
// } catch (Exception e) {
// e.printStackTrace();
// e.printStackTrace();
// }
ECPublicKeyParameters pubkey =
BCECUtil.createECPublicKeyFromStrParameters(
publicKey, SM2Util.CURVE, SM2Util.DOMAIN_PARAMS);
ECPublicKeyParameters pubkey = BCECUtil.createECPublicKeyFromStrParameters(publicKey,
SM2Util.CURVE, SM2Util.DOMAIN_PARAMS);
boolean result = SM2Util.verify(pubkey, toVerify.getBytes(), sigByte);
return result;
} catch (Exception e) {

2
src/main/java/org.zz/gmhelper/SM3Util.java
View File

@ -41,7 +41,7 @@ public class SM3Util extends GMBaseUtil {
/**
* 计算SM3 Mac值
*
* @param key key值，可以是任意长度的字节数组
* @param key key值，可以是任意长度的字节数组
* @param srcData 原文
* @return Mac值，对于HMac-SM3来说是32字节
*/

39
src/main/java/org.zz/gmhelper/SM4Util.java
View File

@ -32,8 +32,10 @@ public class SM4Util extends GMBaseUtil {
return generateKey(DEFAULT_KEY_SIZE);
}
public static byte[] generateKey(int keySize) throws NoSuchAlgorithmException, NoSuchProviderException {
KeyGenerator kg = KeyGenerator.getInstance(ALGORITHM_NAME, BouncyCastleProvider.PROVIDER_NAME);
public static byte[] generateKey(int keySize)
throws NoSuchAlgorithmException, NoSuchProviderException {
KeyGenerator kg =
KeyGenerator.getInstance(ALGORITHM_NAME, BouncyCastleProvider.PROVIDER_NAME);
kg.init(keySize, new SecureRandom());
return kg.generateKey().getEncoded();
}
@ -86,7 +88,8 @@ public class SM4Util extends GMBaseUtil {
throws InvalidKeyException, NoSuchAlgorithmException, NoSuchProviderException,
NoSuchPaddingException, IllegalBlockSizeException, BadPaddingException,
InvalidAlgorithmParameterException {
Cipher cipher = generateCBCCipher(ALGORITHM_NAME_CBC_NOPADDING, Cipher.ENCRYPT_MODE, key, iv);
Cipher cipher =
generateCBCCipher(ALGORITHM_NAME_CBC_NOPADDING, Cipher.ENCRYPT_MODE, key, iv);
return cipher.doFinal(data);
}
@ -94,18 +97,20 @@ public class SM4Util extends GMBaseUtil {
throws IllegalBlockSizeException, BadPaddingException, InvalidKeyException,
NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException,
InvalidAlgorithmParameterException {
Cipher cipher = generateCBCCipher(ALGORITHM_NAME_CBC_NOPADDING, Cipher.DECRYPT_MODE, key, iv);
Cipher cipher =
generateCBCCipher(ALGORITHM_NAME_CBC_NOPADDING, Cipher.DECRYPT_MODE, key, iv);
return cipher.doFinal(cipherText);
}
public static byte[] doCMac(byte[] key, byte[] data) throws NoSuchProviderException, NoSuchAlgorithmException,
InvalidKeyException {
public static byte[] doCMac(byte[] key, byte[] data)
throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeyException {
Key keyObj = new SecretKeySpec(key, ALGORITHM_NAME);
return doMac("SM4-CMAC", keyObj, data);
}
public static byte[] doGMac(byte[] key, byte[] iv, int tagLength, byte[] data) {
org.bouncycastle.crypto.Mac mac = new GMac(new GCMBlockCipher(new SM4Engine()), tagLength * 8);
org.bouncycastle.crypto.Mac mac =
new GMac(new GCMBlockCipher(new SM4Engine()), tagLength * 8);
return doMac(mac, key, iv, data);
}
@ -119,7 +124,8 @@ public class SM4Util extends GMBaseUtil {
*/
public static byte[] doCBCMac(byte[] key, byte[] iv, byte[] data) {
SM4Engine engine = new SM4Engine();
org.bouncycastle.crypto.Mac mac = new CBCBlockCipherMac(engine, engine.getBlockSize() * 8, new PKCS7Padding());
org.bouncycastle.crypto.Mac mac =
new CBCBlockCipherMac(engine, engine.getBlockSize() * 8, new PKCS7Padding());
return doMac(mac, key, iv, data);
}
@ -131,19 +137,22 @@ public class SM4Util extends GMBaseUtil {
* @return
* @throws Exception
*/
public static byte[] doCBCMac(byte[] key, byte[] iv, BlockCipherPadding padding, byte[] data) throws Exception {
public static byte[] doCBCMac(byte[] key, byte[] iv, BlockCipherPadding padding, byte[] data)
throws Exception {
SM4Engine engine = new SM4Engine();
if (padding == null) {
if (data.length % engine.getBlockSize() != 0) {
throw new Exception("if no padding, data length must be multiple of SM4 BlockSize");
}
}
org.bouncycastle.crypto.Mac mac = new CBCBlockCipherMac(engine, engine.getBlockSize() * 8, padding);
org.bouncycastle.crypto.Mac mac =
new CBCBlockCipherMac(engine, engine.getBlockSize() * 8, padding);
return doMac(mac, key, iv, data);
}
private static byte[] doMac(org.bouncycastle.crypto.Mac mac, byte[] key, byte[] iv, byte[] data) {
private static byte[] doMac(org.bouncycastle.crypto.Mac mac, byte[] key, byte[] iv,
byte[] data) {
CipherParameters cipherParameters = new KeyParameter(key);
mac.init(new ParametersWithIV(cipherParameters, iv));
mac.update(data, 0, data.length);
@ -152,8 +161,8 @@ public class SM4Util extends GMBaseUtil {
return result;
}
private static byte[] doMac(String algorithmName, Key key, byte[] data) throws NoSuchProviderException,
NoSuchAlgorithmException, InvalidKeyException {
private static byte[] doMac(String algorithmName, Key key, byte[] data)
throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeyException {
Mac mac = Mac.getInstance(algorithmName, BouncyCastleProvider.PROVIDER_NAME);
mac.init(key);
mac.update(data);
@ -170,8 +179,8 @@ public class SM4Util extends GMBaseUtil {
}
private static Cipher generateCBCCipher(String algorithmName, int mode, byte[] key, byte[] iv)
throws InvalidKeyException, InvalidAlgorithmParameterException, NoSuchAlgorithmException,
NoSuchProviderException, NoSuchPaddingException {
throws InvalidKeyException, InvalidAlgorithmParameterException,
NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException {
Cipher cipher = Cipher.getInstance(algorithmName, BouncyCastleProvider.PROVIDER_NAME);
Key sm4Key = new SecretKeySpec(key, ALGORITHM_NAME);
IvParameterSpec ivParameterSpec = new IvParameterSpec(iv);

18
src/main/java/org.zz/gmhelper/cert/CommonUtil.java
View File

@ -29,7 +29,8 @@ public class CommonUtil {
* @return
* @throws InvalidX500NameException
*/
public static X500Name buildX500Name(Map<String, String> names) throws InvalidX500NameException {
public static X500Name buildX500Name(Map<String, String> names)
throws InvalidX500NameException {
if (names == null || names.size() == 0) {
throw new InvalidX500NameException("names can not be empty");
}
@ -49,21 +50,24 @@ public class CommonUtil {
}
}
public static PKCS10CertificationRequest createCSR(X500Name subject, SM2PublicKey pubKey, PrivateKey priKey,
String signAlgo) throws OperatorCreationException {
PKCS10CertificationRequestBuilder csrBuilder = new JcaPKCS10CertificationRequestBuilder(subject, pubKey);
public static PKCS10CertificationRequest createCSR(X500Name subject, SM2PublicKey pubKey,
PrivateKey priKey, String signAlgo) throws OperatorCreationException {
PKCS10CertificationRequestBuilder csrBuilder =
new JcaPKCS10CertificationRequestBuilder(subject, pubKey);
ContentSigner signerBuilder = new JcaContentSignerBuilder(signAlgo)
.setProvider(BouncyCastleProvider.PROVIDER_NAME).build(priKey);
.setProvider(BouncyCastleProvider.PROVIDER_NAME).build(priKey);
return csrBuilder.build(signerBuilder);
}
public static AlgorithmIdentifier findSignatureAlgorithmIdentifier(String algoName) {
DefaultSignatureAlgorithmIdentifierFinder sigFinder = new DefaultSignatureAlgorithmIdentifierFinder();
DefaultSignatureAlgorithmIdentifierFinder sigFinder =
new DefaultSignatureAlgorithmIdentifierFinder();
return sigFinder.find(algoName);
}
public static AlgorithmIdentifier findDigestAlgorithmIdentifier(String algoName) {
DefaultDigestAlgorithmIdentifierFinder digFinder = new DefaultDigestAlgorithmIdentifierFinder();
DefaultDigestAlgorithmIdentifierFinder digFinder =
new DefaultDigestAlgorithmIdentifierFinder();
return digFinder.find(findSignatureAlgorithmIdentifier(algoName));
}
}

13
src/main/java/org.zz/gmhelper/cert/RandomSNAllocator.java
View File

@ -32,10 +32,10 @@ public class RandomSNAllocator implements CertSNAllocator {
private static int[] AND_MASKS = new int[] {0xFF, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F};
private static int[] OR_MASKS = new int[] {0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40};
private static int[] OR_MASKS = new int[] {0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40};
private final SecureRandom random;
private final int bitLen;
/**
@ -47,14 +47,15 @@ public class RandomSNAllocator implements CertSNAllocator {
/**
* Constructor with the specification of bitLen.
*
* @param bitLen bit length of the serial number. The highest bit is always set to 1, so the
* effective bit length is bitLen - 1. Valid value is [65, 159].
*/
public RandomSNAllocator(int bitLen) {
if (bitLen < MIN_SERIALNUMBER_SIZE || bitLen > MAX_SERIALNUMBER_SIZE) {
throw new IllegalArgumentException(String.format(
"%s may not be out of the range [%d, %d]: %d",
"bitLen", MIN_SERIALNUMBER_SIZE, MAX_SERIALNUMBER_SIZE, bitLen));
throw new IllegalArgumentException(
String.format("%s may not be out of the range [%d, %d]: %d", "bitLen",
MIN_SERIALNUMBER_SIZE, MAX_SERIALNUMBER_SIZE, bitLen));
}
this.random = new SecureRandom();
@ -74,5 +75,5 @@ public class RandomSNAllocator implements CertSNAllocator {
return new BigInteger(1, rdnBytes);
}
}

69
src/main/java/org.zz/gmhelper/cert/SM2CertUtil.java
View File

@ -33,17 +33,17 @@ public class SM2CertUtil {
ECPublicKey pubKey = (ECPublicKey) sm2Cert.getPublicKey();
ECPoint q = pubKey.getQ();
ECParameterSpec parameterSpec = new ECParameterSpec(SM2Util.CURVE, SM2Util.G_POINT,
SM2Util.SM2_ECC_N, SM2Util.SM2_ECC_H);
SM2Util.SM2_ECC_N, SM2Util.SM2_ECC_H);
ECPublicKeySpec pubKeySpec = new ECPublicKeySpec(q, parameterSpec);
return new BCECPublicKey(pubKey.getAlgorithm(), pubKeySpec,
BouncyCastleProvider.CONFIGURATION);
BouncyCastleProvider.CONFIGURATION);
}
/**
* 校验证书
*
* @param issuerPubKey 从颁发者CA证书中提取出来的公钥
* @param cert 待校验的证书
* @param cert 待校验的证书
* @return
*/
public static boolean verifyCertificate(BCECPublicKey issuerPubKey, X509Certificate cert) {
@ -55,8 +55,8 @@ public class SM2CertUtil {
return true;
}
public static X509Certificate getX509Certificate(String certFilePath) throws IOException, CertificateException,
NoSuchProviderException {
public static X509Certificate getX509Certificate(String certFilePath)
throws IOException, CertificateException, NoSuchProviderException {
InputStream is = null;
try {
is = new FileInputStream(certFilePath);
@ -68,20 +68,21 @@ public class SM2CertUtil {
}
}
public static X509Certificate getX509Certificate(byte[] certBytes) throws CertificateException,
NoSuchProviderException {
public static X509Certificate getX509Certificate(byte[] certBytes)
throws CertificateException, NoSuchProviderException {
ByteArrayInputStream bais = new ByteArrayInputStream(certBytes);
return getX509Certificate(bais);
}
public static X509Certificate getX509Certificate(InputStream is) throws CertificateException,
NoSuchProviderException {
CertificateFactory cf = CertificateFactory.getInstance("X.509", BouncyCastleProvider.PROVIDER_NAME);
public static X509Certificate getX509Certificate(InputStream is)
throws CertificateException, NoSuchProviderException {
CertificateFactory cf =
CertificateFactory.getInstance("X.509", BouncyCastleProvider.PROVIDER_NAME);
return (X509Certificate) cf.generateCertificate(is);
}
public static CertPath getCertificateChain(String certChainPath) throws IOException, CertificateException,
NoSuchProviderException {
public static CertPath getCertificateChain(String certChainPath)
throws IOException, CertificateException, NoSuchProviderException {
InputStream is = null;
try {
is = new FileInputStream(certChainPath);
@ -93,30 +94,37 @@ public class SM2CertUtil {
}
}
public static CertPath getCertificateChain(byte[] certChainBytes) throws CertificateException,
NoSuchProviderException {
public static CertPath getCertificateChain(byte[] certChainBytes)
throws CertificateException, NoSuchProviderException {
ByteArrayInputStream bais = new ByteArrayInputStream(certChainBytes);
return getCertificateChain(bais);
}
public static byte[] getCertificateChainBytes(CertPath certChain) throws CertificateEncodingException {
public static byte[] getCertificateChainBytes(CertPath certChain)
throws CertificateEncodingException {
return certChain.getEncoded("PKCS7");
}
public static CertPath getCertificateChain(InputStream is) throws CertificateException, NoSuchProviderException {
CertificateFactory cf = CertificateFactory.getInstance("X.509", BouncyCastleProvider.PROVIDER_NAME);
public static CertPath getCertificateChain(InputStream is)
throws CertificateException, NoSuchProviderException {
CertificateFactory cf =
CertificateFactory.getInstance("X.509", BouncyCastleProvider.PROVIDER_NAME);
return cf.generateCertPath(is, "PKCS7");
}
public static CertPath getCertificateChain(List<X509Certificate> certs) throws CertificateException,
NoSuchProviderException {
CertificateFactory cf = CertificateFactory.getInstance("X.509", BouncyCastleProvider.PROVIDER_NAME);
public static CertPath getCertificateChain(List<X509Certificate> certs)
throws CertificateException, NoSuchProviderException {
CertificateFactory cf =
CertificateFactory.getInstance("X.509", BouncyCastleProvider.PROVIDER_NAME);
return cf.generateCertPath(certs);
}
public static X509Certificate getX509CertificateFromPfx(byte[] pfxDER, String passwd) throws Exception {
InputDecryptorProvider inputDecryptorProvider = new JcePKCSPBEInputDecryptorProviderBuilder()
.setProvider(BouncyCastleProvider.PROVIDER_NAME).build(passwd.toCharArray());
public static X509Certificate getX509CertificateFromPfx(byte[] pfxDER, String passwd)
throws Exception {
InputDecryptorProvider inputDecryptorProvider =
new JcePKCSPBEInputDecryptorProviderBuilder()
.setProvider(BouncyCastleProvider.PROVIDER_NAME)
.build(passwd.toCharArray());
PKCS12PfxPdu pfx = new PKCS12PfxPdu(pfxDER);
ContentInfo[] infos = pfx.getContentInfos();
@ -126,7 +134,8 @@ public class SM2CertUtil {
for (int i = 0; i != infos.length; i++) {
if (infos[i].getContentType().equals(PKCSObjectIdentifiers.encryptedData)) {
PKCS12SafeBagFactory dataFact = new PKCS12SafeBagFactory(infos[i], inputDecryptorProvider);
PKCS12SafeBagFactory dataFact =
new PKCS12SafeBagFactory(infos[i], inputDecryptorProvider);
PKCS12SafeBag[] bags = dataFact.getSafeBags();
X509CertificateHolder certHoler = (X509CertificateHolder) bags[0].getBagValue();
return SM2CertUtil.getX509Certificate(certHoler.getEncoded());
@ -140,9 +149,12 @@ public class SM2CertUtil {
return SM2CertUtil.getBCECPublicKey(getX509CertificateFromPfx(pfxDER, passwd));
}
public static BCECPrivateKey getPrivateKeyFromPfx(byte[] pfxDER, String passwd) throws Exception {
InputDecryptorProvider inputDecryptorProvider = new JcePKCSPBEInputDecryptorProviderBuilder()
.setProvider(BouncyCastleProvider.PROVIDER_NAME).build(passwd.toCharArray());
public static BCECPrivateKey getPrivateKeyFromPfx(byte[] pfxDER, String passwd)
throws Exception {
InputDecryptorProvider inputDecryptorProvider =
new JcePKCSPBEInputDecryptorProviderBuilder()
.setProvider(BouncyCastleProvider.PROVIDER_NAME)
.build(passwd.toCharArray());
PKCS12PfxPdu pfx = new PKCS12PfxPdu(pfxDER);
ContentInfo[] infos = pfx.getContentInfos();
@ -154,7 +166,8 @@ public class SM2CertUtil {
if (!infos[i].getContentType().equals(PKCSObjectIdentifiers.encryptedData)) {
PKCS12SafeBagFactory dataFact = new PKCS12SafeBagFactory(infos[i]);
PKCS12SafeBag[] bags = dataFact.getSafeBags();
PKCS8EncryptedPrivateKeyInfo encInfo = (PKCS8EncryptedPrivateKeyInfo) bags[0].getBagValue();
PKCS8EncryptedPrivateKeyInfo encInfo =
(PKCS8EncryptedPrivateKeyInfo) bags[0].getBagValue();
PrivateKeyInfo info = encInfo.decryptPrivateKeyInfo(inputDecryptorProvider);
BCECPrivateKey privateKey = BCECUtil.convertPKCS8ToECPrivateKey(info.getEncoded());
return privateKey;

58
src/main/java/org.zz/gmhelper/cert/SM2PfxMaker.java
View File

@ -21,41 +21,41 @@ public class SM2PfxMaker {
/**
* @param privKey 用户私钥
* @param pubKey 用户公钥
* @param chain X509证书数组，切记这里固定了必须是3个元素的数组，且第一个必须是叶子证书、第二个为中级CA证书、第三个为根CA证书
* @param passwd 口令
* @param pubKey 用户公钥
* @param chain X509证书数组，切记这里固定了必须是3个元素的数组，且第一个必须是叶子证书、第二个为中级CA证书、第三个为根CA证书
* @param passwd 口令
* @return
* @throws NoSuchAlgorithmException
* @throws IOException
* @throws PKCSException
*/
public PKCS12PfxPdu makePfx(PrivateKey privKey, PublicKey pubKey, X509Certificate[] chain, String passwd)
throws NoSuchAlgorithmException, IOException, PKCSException {
public PKCS12PfxPdu makePfx(PrivateKey privKey, PublicKey pubKey, X509Certificate[] chain,
String passwd) throws NoSuchAlgorithmException, IOException, PKCSException {
JcaX509ExtensionUtils extUtils = new JcaX509ExtensionUtils();
PKCS12SafeBagBuilder taCertBagBuilder = new JcaPKCS12SafeBagBuilder(chain[2]);
taCertBagBuilder.addBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_friendlyName,
new DERBMPString("Primary Certificate"));
new DERBMPString("Primary Certificate"));
PKCS12SafeBagBuilder caCertBagBuilder = new JcaPKCS12SafeBagBuilder(chain[1]);
caCertBagBuilder.addBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_friendlyName,
new DERBMPString("Intermediate Certificate"));
new DERBMPString("Intermediate Certificate"));
PKCS12SafeBagBuilder eeCertBagBuilder = new JcaPKCS12SafeBagBuilder(chain[0]);
eeCertBagBuilder.addBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_friendlyName,
new DERBMPString("User Key"));
new DERBMPString("User Key"));
eeCertBagBuilder.addBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_localKeyId,
extUtils.createSubjectKeyIdentifier(pubKey));
extUtils.createSubjectKeyIdentifier(pubKey));
char[] passwdChars = passwd.toCharArray();
PKCS12SafeBagBuilder keyBagBuilder = new JcaPKCS12SafeBagBuilder(privKey,
new BcPKCS12PBEOutputEncryptorBuilder(
PKCSObjectIdentifiers.pbeWithSHAAnd3_KeyTripleDES_CBC,
new CBCBlockCipher(new DESedeEngine())).build(passwdChars));
new BcPKCS12PBEOutputEncryptorBuilder(
PKCSObjectIdentifiers.pbeWithSHAAnd3_KeyTripleDES_CBC,
new CBCBlockCipher(new DESedeEngine())).build(passwdChars));
keyBagBuilder.addBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_friendlyName,
new DERBMPString("User Key"));
new DERBMPString("User Key"));
keyBagBuilder.addBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_localKeyId,
extUtils.createSubjectKeyIdentifier(pubKey));
extUtils.createSubjectKeyIdentifier(pubKey));
PKCS12PfxPduBuilder pfxPduBuilder = new PKCS12PfxPduBuilder();
PKCS12SafeBag[] certs = new PKCS12SafeBag[3];
@ -64,49 +64,47 @@ public class SM2PfxMaker {
certs[2] = taCertBagBuilder.build();
pfxPduBuilder.addEncryptedData(new BcPKCS12PBEOutputEncryptorBuilder(
PKCSObjectIdentifiers.pbeWithSHAAnd40BitRC2_CBC,
new CBCBlockCipher(new RC2Engine())).build(passwdChars),
certs);
new CBCBlockCipher(new RC2Engine())).build(passwdChars), certs);
pfxPduBuilder.addData(keyBagBuilder.build());
return pfxPduBuilder.build(new BcPKCS12MacCalculatorBuilder(), passwdChars);
}
/**
* @param privKey 用户私钥
* @param pubKey 用户公钥
* @param cert X509证书
* @param passwd 口令
* @param pubKey 用户公钥
* @param cert X509证书
* @param passwd 口令
* @return
* @throws NoSuchAlgorithmException
* @throws IOException
* @throws PKCSException
*/
public PKCS12PfxPdu makePfx(PrivateKey privKey, PublicKey pubKey, X509Certificate cert, String passwd)
throws NoSuchAlgorithmException, IOException, PKCSException {
public PKCS12PfxPdu makePfx(PrivateKey privKey, PublicKey pubKey, X509Certificate cert,
String passwd) throws NoSuchAlgorithmException, IOException, PKCSException {
JcaX509ExtensionUtils extUtils = new JcaX509ExtensionUtils();
PKCS12SafeBagBuilder eeCertBagBuilder = new JcaPKCS12SafeBagBuilder(cert);
eeCertBagBuilder.addBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_friendlyName,
new DERBMPString("User Key"));
new DERBMPString("User Key"));
eeCertBagBuilder.addBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_localKeyId,
extUtils.createSubjectKeyIdentifier(pubKey));
extUtils.createSubjectKeyIdentifier(pubKey));
char[] passwdChars = passwd.toCharArray();
PKCS12SafeBagBuilder keyBagBuilder = new JcaPKCS12SafeBagBuilder(privKey,
new BcPKCS12PBEOutputEncryptorBuilder(
PKCSObjectIdentifiers.pbeWithSHAAnd3_KeyTripleDES_CBC,
new CBCBlockCipher(new DESedeEngine())).build(passwdChars));
new BcPKCS12PBEOutputEncryptorBuilder(
PKCSObjectIdentifiers.pbeWithSHAAnd3_KeyTripleDES_CBC,
new CBCBlockCipher(new DESedeEngine())).build(passwdChars));
keyBagBuilder.addBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_friendlyName,
new DERBMPString("User Key"));
new DERBMPString("User Key"));
keyBagBuilder.addBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_localKeyId,
extUtils.createSubjectKeyIdentifier(pubKey));
extUtils.createSubjectKeyIdentifier(pubKey));
PKCS12PfxPduBuilder pfxPduBuilder = new PKCS12PfxPduBuilder();
PKCS12SafeBag[] certs = new PKCS12SafeBag[1];
certs[0] = eeCertBagBuilder.build();
pfxPduBuilder.addEncryptedData(new BcPKCS12PBEOutputEncryptorBuilder(
PKCSObjectIdentifiers.pbeWithSHAAnd40BitRC2_CBC,
new CBCBlockCipher(new RC2Engine())).build(passwdChars),
certs);
new CBCBlockCipher(new RC2Engine())).build(passwdChars), certs);
pfxPduBuilder.addData(keyBagBuilder.build());
return pfxPduBuilder.build(new BcPKCS12MacCalculatorBuilder(), passwdChars);
}

19
src/main/java/org.zz/gmhelper/cert/SM2Pkcs12Maker.java
View File

@ -12,9 +12,8 @@ public class SM2Pkcs12Maker {
/**
* @param privKey 用户私钥
* @param chain X509证书数组，
* 第一个（index 0）为privKey对应的证书，index i+1 是index i的CA证书
* @param passwd 口令
* @param chain X509证书数组， 第一个（index 0）为privKey对应的证书，index i+1 是index i的CA证书
* @param passwd 口令
* @return the PKCS#12 keystore
* @throws NoSuchProviderException
* @throws KeyStoreException
@ -24,8 +23,8 @@ public class SM2Pkcs12Maker {
* @throws PKCSException
*/
public KeyStore makePkcs12(PrivateKey privKey, X509Certificate[] chain, char[] passwd)
throws KeyStoreException, NoSuchProviderException,
NoSuchAlgorithmException, CertificateException, IOException {
throws KeyStoreException, NoSuchProviderException, NoSuchAlgorithmException,
CertificateException, IOException {
KeyStore ks = KeyStore.getInstance("PKCS12", "BC");
ks.load(null, passwd);
ks.setKeyEntry("User Key", privKey, passwd, chain);
@ -34,16 +33,16 @@ public class SM2Pkcs12Maker {
/**
* @param privKey 用户私钥
* @param cert X509证书
* @param passwd 口令
* @param cert X509证书
* @param passwd 口令
* @return the PKCS12 keystore
* @throws NoSuchAlgorithmException
* @throws IOException
* @throws PKCSException
*/
public KeyStore makePkcs12(PrivateKey privKey, X509Certificate cert, char[] passwd)
throws KeyStoreException, NoSuchProviderException,
NoSuchAlgorithmException, CertificateException, IOException {
return makePkcs12(privKey, new X509Certificate[] {cert}, passwd);
throws KeyStoreException, NoSuchProviderException, NoSuchAlgorithmException,
CertificateException, IOException {
return makePkcs12(privKey, new X509Certificate[] {cert}, passwd);
}
}

25
src/main/java/org.zz/gmhelper/cert/SM2PrivateKey.java
View File

@ -23,7 +23,8 @@ public class SM2PrivateKey extends BCECPrivateKey {
public SM2PrivateKey(BCECPrivateKey privateKey, BCECPublicKey publicKey) {
super(privateKey.getAlgorithm(), privateKey);
this.sm2PublicKey = getSM2PublicKeyDetails(new SM2PublicKey(publicKey.getAlgorithm(), publicKey));
this.sm2PublicKey =
getSM2PublicKeyDetails(new SM2PublicKey(publicKey.getAlgorithm(), publicKey));
this.withCompression = false;
}
@ -33,8 +34,8 @@ public class SM2PrivateKey extends BCECPrivateKey {
}
/**
* Return a PKCS8 representation of the key. The sequence returned
* represents a full PrivateKeyInfo object.
* Return a PKCS8 representation of the key. The sequence returned represents a full
* PrivateKeyInfo object.
*
* @return a PKCS8 representation of the key.
*/
@ -48,20 +49,25 @@ public class SM2PrivateKey extends BCECPrivateKey {
if (ecSpec == null) {
orderBitLength = ECUtil.getOrderBitLength(configuration, null, this.getS());
} else {
orderBitLength = ECUtil.getOrderBitLength(configuration, ecSpec.getOrder(), this.getS());
orderBitLength =
ECUtil.getOrderBitLength(configuration, ecSpec.getOrder(), this.getS());
}
PrivateKeyInfo info;
org.bouncycastle.asn1.sec.ECPrivateKey keyStructure;
if (sm2PublicKey != null) {
keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(orderBitLength, this.getS(), sm2PublicKey, params);
keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(orderBitLength, this.getS(),
sm2PublicKey, params);
} else {
keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(orderBitLength, this.getS(), params);
keyStructure =
new org.bouncycastle.asn1.sec.ECPrivateKey(orderBitLength, this.getS(), params);
}
try {
info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), keyStructure);
info = new PrivateKeyInfo(
new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params),
keyStructure);
return info.getEncoded(ASN1Encoding.DER);
} catch (IOException e) {
@ -71,10 +77,11 @@ public class SM2PrivateKey extends BCECPrivateKey {
private DERBitString getSM2PublicKeyDetails(SM2PublicKey pub) {
try {
SubjectPublicKeyInfo info = SubjectPublicKeyInfo.getInstance(ASN1Primitive.fromByteArray(pub.getEncoded()));
SubjectPublicKeyInfo info =
SubjectPublicKeyInfo.getInstance(ASN1Primitive.fromByteArray(pub.getEncoded()));
return info.getPublicKeyData();
} catch (IOException e) { // should never happen
} catch (IOException e) { // should never happen
return null;
}
}

11
src/main/java/org.zz/gmhelper/cert/SM2PublicKey.java
View File

@ -10,7 +10,8 @@ import org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPublicKey;
import org.bouncycastle.jcajce.provider.asymmetric.util.KeyUtil;
public class SM2PublicKey extends BCECPublicKey {
public static final ASN1ObjectIdentifier ID_SM2_PUBKEY_PARAM = new ASN1ObjectIdentifier("1.2.156.10197.1.301");
public static final ASN1ObjectIdentifier ID_SM2_PUBKEY_PARAM =
new ASN1ObjectIdentifier("1.2.156.10197.1.301");
private boolean withCompression;
@ -26,13 +27,13 @@ public class SM2PublicKey extends BCECPublicKey {
@Override
public byte[] getEncoded() {
ASN1OctetString p = ASN1OctetString.getInstance(
new X9ECPoint(getQ(), withCompression).toASN1Primitive());
ASN1OctetString p = ASN1OctetString
.getInstance(new X9ECPoint(getQ(), withCompression).toASN1Primitive());
// stored curve is null if ImplicitlyCa
SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(
new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, ID_SM2_PUBKEY_PARAM),
p.getOctets());
new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, ID_SM2_PUBKEY_PARAM),
p.getOctets());
return KeyUtil.getEncodedSubjectPublicKeyInfo(info);
}

117
src/main/java/org.zz/gmhelper/cert/SM2X509CertMaker.java
View File

@ -26,11 +26,9 @@ import java.util.LinkedList;
import java.util.List;
public class SM2X509CertMaker {
private static enum CertLevel {
RootCA,
SubCA,
EndEntity
RootCA, SubCA, EndEntity
} // class CertLevel
public static final String SIGN_ALGO_SM3WITHSM2 = "SM3withSM2";
@ -41,16 +39,14 @@ public class SM2X509CertMaker {
private KeyPair issuerKeyPair;
/**
* @param issuerKeyPair 证书颁发者的密钥对。
* 其实一般的CA的私钥都是要严格保护的。
* 一般CA的私钥都会放在加密卡/加密机里，证书的签名由加密卡/加密机完成。
* 这里仅是为了演示BC库签发证书的用法，所以暂时不作太多要求。
* @param certExpire 证书有效时间，单位毫秒
* @param issuer 证书颁发者信息
* @param snAllocator 维护/分配证书序列号的实例，证书序列号应该递增且不重复
* @param issuerKeyPair 证书颁发者的密钥对。 其实一般的CA的私钥都是要严格保护的。 一般CA的私钥都会放在加密卡/加密机里，证书的签名由加密卡/加密机完成。
* 这里仅是为了演示BC库签发证书的用法，所以暂时不作太多要求。
* @param certExpire 证书有效时间，单位毫秒
* @param issuer 证书颁发者信息
* @param snAllocator 维护/分配证书序列号的实例，证书序列号应该递增且不重复
*/
public SM2X509CertMaker(KeyPair issuerKeyPair, long certExpire, X500Name issuer,
CertSNAllocator snAllocator) {
CertSNAllocator snAllocator) {
this.issuerKeyPair = issuerKeyPair;
this.certExpire = certExpire;
this.issuerDN = issuer;
@ -64,12 +60,11 @@ public class SM2X509CertMaker {
* @return 新的证书
* @throws Exception 如果错误发生
*/
public X509Certificate makeRootCACert(byte[] csr)
throws Exception {
public X509Certificate makeRootCACert(byte[] csr) throws Exception {
KeyUsage usage = new KeyUsage(KeyUsage.keyCertSign | KeyUsage.cRLSign);
return makeCertificate(CertLevel.RootCA, null, csr, usage, null);
}
/**
* 生成SubCA证书
*
@ -77,8 +72,7 @@ public class SM2X509CertMaker {
* @return 新的证书
* @throws Exception 如果错误发生
*/
public X509Certificate makeSubCACert(byte[] csr)
throws Exception {
public X509Certificate makeSubCACert(byte[] csr) throws Exception {
KeyUsage usage = new KeyUsage(KeyUsage.keyCertSign | KeyUsage.cRLSign);
return makeCertificate(CertLevel.SubCA, 0, csr, usage, null);
}
@ -90,10 +84,9 @@ public class SM2X509CertMaker {
* @return 新的证书
* @throws Exception 如果错误发生
*/
public X509Certificate makeSSLEndEntityCert(byte[] csr)
throws Exception {
public X509Certificate makeSSLEndEntityCert(byte[] csr) throws Exception {
return makeEndEntityCert(csr,
new KeyPurposeId[] {KeyPurposeId.id_kp_clientAuth, KeyPurposeId.id_kp_serverAuth});
new KeyPurposeId[] {KeyPurposeId.id_kp_clientAuth, KeyPurposeId.id_kp_serverAuth});
}
/**
@ -104,54 +97,50 @@ public class SM2X509CertMaker {
* @return 新的证书
* @throws Exception 如果错误发生
*/
public X509Certificate makeEndEntityCert(byte[] csr,
KeyPurposeId[] extendedKeyUsages)
public X509Certificate makeEndEntityCert(byte[] csr, KeyPurposeId[] extendedKeyUsages)
throws Exception {
KeyUsage usage = new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyAgreement
| KeyUsage.dataEncipherment | KeyUsage.keyEncipherment);
| KeyUsage.dataEncipherment | KeyUsage.keyEncipherment);
return makeCertificate(CertLevel.SubCA, null, csr, usage, extendedKeyUsages);
}
/**
* @param isCA 是否是颁发给CA的证书
* @param isCA 是否是颁发给CA的证书
* @param keyUsage 证书用途
* @param csr CSR
* @param csr CSR
* @return
* @throws Exception
*/
private X509Certificate makeCertificate(CertLevel certLevel, Integer pathLenConstrain,
byte[] csr, KeyUsage keyUsage, KeyPurposeId[] extendedKeyUsages)
throws Exception {
byte[] csr, KeyUsage keyUsage, KeyPurposeId[] extendedKeyUsages) throws Exception {
if (certLevel == CertLevel.EndEntity) {
if (keyUsage.hasUsages(KeyUsage.keyCertSign)) {
throw new IllegalArgumentException(
"keyusage keyCertSign is not allowed in EndEntity Certificate");
throw new IllegalArgumentException(
"keyusage keyCertSign is not allowed in EndEntity Certificate");
}
}
PKCS10CertificationRequest request = new PKCS10CertificationRequest(csr);
SubjectPublicKeyInfo subPub = request.getSubjectPublicKeyInfo();
PrivateKey issPriv = issuerKeyPair.getPrivate();
PublicKey issPub = issuerKeyPair.getPublic();
X500Name subject = request.getSubject();
String email = null;
String commonName = null;
/*
* RFC 5280 §4.2.1.6 Subject
* Conforming implementations generating new certificates with
* electronic mail addresses MUST use the rfc822Name in the subject
* alternative name extension (Section 4.2.1.6) to describe such
* identities. Simultaneous inclusion of the emailAddress attribute in
* the subject distinguished name to support legacy implementations is
* deprecated but permitted.
* RFC 5280 §4.2.1.6 Subject Conforming implementations generating new certificates with
* electronic mail addresses MUST use the rfc822Name in the subject alternative name
* extension (Section 4.2.1.6) to describe such identities. Simultaneous inclusion of the
* emailAddress attribute in the subject distinguished name to support legacy
* implementations is deprecated but permitted.
*/
RDN[] rdns = subject.getRDNs();
List<RDN> newRdns = new ArrayList<>(rdns.length);
for (int i = 0; i < rdns.length; i++) {
RDN rdn = rdns[i];
AttributeTypeAndValue atv = rdn.getFirst();
ASN1ObjectIdentifier type = atv.getType();
if (BCStyle.EmailAddress.equals(type)) {
@ -163,28 +152,28 @@ public class SM2X509CertMaker {
newRdns.add(rdn);
}
}
List<GeneralName> subjectAltNames = new LinkedList<>();
if (email != null) {
subject = new X500Name(newRdns.toArray(new RDN[0]));
subjectAltNames.add(
new GeneralName(GeneralName.rfc822Name,
new DERIA5String(email, true)));
subjectAltNames
.add(new GeneralName(GeneralName.rfc822Name, new DERIA5String(email, true)));
}
boolean selfSignedEECert = false;
switch (certLevel) {
case RootCA:
if (issuerDN.equals(subject)) {
subject = issuerDN;
} else {
throw new IllegalArgumentException("subject != issuer for certLevel " + CertLevel.RootCA);
throw new IllegalArgumentException(
"subject != issuer for certLevel " + CertLevel.RootCA);
}
break;
case SubCA:
if (issuerDN.equals(subject)) {
throw new IllegalArgumentException(
"subject MUST not equals issuer for certLevel " + certLevel);
"subject MUST not equals issuer for certLevel " + certLevel);
}
break;
default:
@ -197,17 +186,16 @@ public class SM2X509CertMaker {
BigInteger serialNumber = snAllocator.nextSerialNumber();
Date notBefore = new Date();
Date notAfter = new Date(notBefore.getTime() + certExpire);
X509v3CertificateBuilder v3CertGen = new X509v3CertificateBuilder(
issuerDN, serialNumber,
notBefore, notAfter,
subject, subPub);
X509v3CertificateBuilder v3CertGen = new X509v3CertificateBuilder(issuerDN, serialNumber,
notBefore, notAfter, subject, subPub);
JcaX509ExtensionUtils extUtils = new JcaX509ExtensionUtils();
v3CertGen.addExtension(Extension.subjectKeyIdentifier, false,
extUtils.createSubjectKeyIdentifier(subPub));
extUtils.createSubjectKeyIdentifier(subPub));
if (certLevel != CertLevel.RootCA && !selfSignedEECert) {
v3CertGen.addExtension(Extension.authorityKeyIdentifier, false,
extUtils.createAuthorityKeyIdentifier(SubjectPublicKeyInfo.getInstance(issPub.getEncoded())));
extUtils.createAuthorityKeyIdentifier(
SubjectPublicKeyInfo.getInstance(issPub.getEncoded())));
}
// RFC 5280 §4.2.1.9 Basic Constraints:
@ -219,18 +207,19 @@ public class SM2X509CertMaker {
if (certLevel == CertLevel.EndEntity) {
basicConstraints = new BasicConstraints(false);
} else {
basicConstraints = pathLenConstrain == null
? new BasicConstraints(true) : new BasicConstraints(pathLenConstrain.intValue());
basicConstraints = pathLenConstrain == null ? new BasicConstraints(true)
: new BasicConstraints(pathLenConstrain.intValue());
}
v3CertGen.addExtension(Extension.basicConstraints, true, basicConstraints);
// RFC 5280 §4.2.1.3 Key Usage: When present, conforming CAs SHOULD mark this extension as critical.
// RFC 5280 §4.2.1.3 Key Usage: When present, conforming CAs SHOULD mark this extension as
// critical.
v3CertGen.addExtension(Extension.keyUsage, true, keyUsage);
if (extendedKeyUsages != null) {
ExtendedKeyUsage xku = new ExtendedKeyUsage(extendedKeyUsages);
v3CertGen.addExtension(Extension.extendedKeyUsage, false, xku);
boolean forSSLServer = false;
for (KeyPurposeId purposeId : extendedKeyUsages) {
if (KeyPurposeId.id_kp_serverAuth.equals(purposeId)) {
@ -243,20 +232,21 @@ public class SM2X509CertMaker {
if (commonName == null) {
throw new IllegalArgumentException("commonName must not be null");
}
GeneralName name = new GeneralName(GeneralName.dNSName,
new DERIA5String(commonName, true));
GeneralName name =
new GeneralName(GeneralName.dNSName, new DERIA5String(commonName, true));
subjectAltNames.add(name);
}
}
if (!subjectAltNames.isEmpty()) {
v3CertGen.addExtension(Extension.subjectAlternativeName, false,
new GeneralNames(subjectAltNames.toArray(new GeneralName[0])));
new GeneralNames(subjectAltNames.toArray(new GeneralName[0])));
}
JcaContentSignerBuilder contentSignerBuilder = makeContentSignerBuilder(issPub);
X509Certificate cert = new JcaX509CertificateConverter().setProvider(BouncyCastleProvider.PROVIDER_NAME)
.getCertificate(v3CertGen.build(contentSignerBuilder.build(issPriv)));
X509Certificate cert =
new JcaX509CertificateConverter().setProvider(BouncyCastleProvider.PROVIDER_NAME)
.getCertificate(v3CertGen.build(contentSignerBuilder.build(issPriv)));
cert.verify(issPub);
return cert;
@ -264,7 +254,8 @@ public class SM2X509CertMaker {
private JcaContentSignerBuilder makeContentSignerBuilder(PublicKey issPub) throws Exception {
if (issPub.getAlgorithm().equals("EC")) {
JcaContentSignerBuilder contentSignerBuilder = new JcaContentSignerBuilder(SIGN_ALGO_SM3WITHSM2);
JcaContentSignerBuilder contentSignerBuilder =
new JcaContentSignerBuilder(SIGN_ALGO_SM3WITHSM2);
contentSignerBuilder.setProvider(BouncyCastleProvider.PROVIDER_NAME);
return contentSignerBuilder;
}

30
src/main/java/org/paillier/PaillierCipher.java Executable file → Normal file
View File

@ -37,8 +37,8 @@ public class PaillierCipher {
byte[] data = new byte[nLenBytes.length + nBytes.length + cipherBytes.length];
System.arraycopy(nLenBytes, 0, data, 0, nLenBytes.length);
System.arraycopy(nBytes, 0, data, nLenBytes.length, nBytes.length);
System.arraycopy(
cipherBytes, 0, data, nLenBytes.length + nBytes.length, cipherBytes.length);
System.arraycopy(cipherBytes, 0, data, nLenBytes.length + nBytes.length,
cipherBytes.length);
return data;
}
@ -49,11 +49,8 @@ public class PaillierCipher {
public static BigInteger decrypt(byte[] ciphertext, PrivateKey privateKey) {
RSAPrivateCrtKey rsaPriKey = (RSAPrivateCrtKey) privateKey;
BigInteger n = rsaPriKey.getModulus();
BigInteger lambda =
rsaPriKey
.getPrimeP()
.subtract(BigInteger.ONE)
.multiply(rsaPriKey.getPrimeQ().subtract(BigInteger.ONE));
BigInteger lambda = rsaPriKey.getPrimeP().subtract(BigInteger.ONE)
.multiply(rsaPriKey.getPrimeQ().subtract(BigInteger.ONE));
int nLen = CommonUtils.byte2ToUnsignedShort(ciphertext);
byte[] nBytes = new byte[nLen];
@ -70,13 +67,8 @@ public class PaillierCipher {
BigInteger mu = lambda.modInverse(n);
BigInteger nsquare = n.multiply(n);
BigInteger message =
intCiphertext
.modPow(lambda, nsquare)
.subtract(BigInteger.ONE)
.divide(n)
.multiply(mu)
.mod(n);
BigInteger message = intCiphertext.modPow(lambda, nsquare).subtract(BigInteger.ONE)
.divide(n).multiply(mu).mod(n);
BigInteger maxValue = BigInteger.ONE.shiftLeft(n.bitLength() / 2);
if (message.compareTo(maxValue) > 0) {
return message.subtract(n);
@ -86,10 +78,8 @@ public class PaillierCipher {
}
public static String ciphertextAdd(String ciphertext1, String ciphertext2) {
return CommonUtils.byteToHexString(
ciphertextAdd(
CommonUtils.hexStringToBytes(ciphertext1),
CommonUtils.hexStringToBytes(ciphertext2)));
return CommonUtils.byteToHexString(ciphertextAdd(CommonUtils.hexStringToBytes(ciphertext1),
CommonUtils.hexStringToBytes(ciphertext2)));
}
public static byte[] ciphertextAdd(byte[] ciphertext1, byte[] ciphertext2) {
@ -122,8 +112,8 @@ public class PaillierCipher {
byte[] data = new byte[nLenBytes.length + nBytes1.length + cipherBytes.length];
System.arraycopy(nLenBytes, 0, data, 0, nLenBytes.length);
System.arraycopy(nBytes1, 0, data, nLenBytes.length, nBytes1.length);
System.arraycopy(
cipherBytes, 0, data, nLenBytes.length + nBytes1.length, cipherBytes.length);
System.arraycopy(cipherBytes, 0, data, nLenBytes.length + nBytes1.length,
cipherBytes.length);
return data;
}
}

60
src/test/java/org/paillier/PaillierTest.java Executable file → Normal file
View File

@ -2,8 +2,6 @@ package org.paillier;
import org.junit.Assert;
import org.junit.Test;
import org.paillier.PaillierCipher;
import org.paillier.PaillierKeyPair;
import java.math.BigInteger;
import java.security.KeyPair;
@ -18,7 +16,7 @@ public class PaillierTest {
KeyPair keypair = PaillierKeyPair.generateGoodKeyPair();
RSAPublicKey pubKey = (RSAPublicKey) keypair.getPublic();
RSAPrivateCrtKey priKey = (RSAPrivateCrtKey) keypair.getPrivate();
System.out.println("e:" + priKey.getPublicExponent().intValue());
System.out.println("e:" + priKey.getPublicExponent().intValue());
String publicKeyStr = PaillierKeyPair.publicKeyToPem(pubKey);
String privateKeyStr = PaillierKeyPair.privateKeyToPem(priKey);
@ -62,35 +60,33 @@ public class PaillierTest {
@Test
public void decryptTest() {
String privateKeyStr =
"-----BEGIN PRIVATE KEY-----\n"
+ "MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQC1f/Oa//I+SFNN\n"
+ "v+PmHGJ1vLGFDu6A0IQV9DcX/hf2R2JFW/ONxfjlrtAh4dW7itMwIA6u64UlKiml\n"
+ "4UuVBT9ca4wv7R87DFqhxquh+ObMzo2x6QAaXnvL5WMmu8+/aLg6Nc06BXtJHsiw\n"
+ "TO7B09AcDNccdDyI+gXP4LEsIoh9HR1p41cq1RKe5c9khLryc5zQqf6NWlw4aWr9\n"
+ "AI5w4m7zhsTiDH1R9qLSJugOltY+9hLF7E9LexMLwXoQUYyi0WGxRe0h03+EQszv\n"
+ "4gQA4paJPAnk8k6VrUyTlBdeoYneInxZ0FEtFffk/rqVt4B80jjVRTbleSmDNvb7\n"
+ "KFp+KHSrAgMBAAECggEAG0jM2jQ3ul0tCLccD2+c7Y4cMaB5AixWbuZzkcvE1mUM\n"
+ "xNh52Io2THDnIPDOLI9GCCoJiwokzd10vVcNAa30RHR2co327+1/gmpXStYb/BXg\n"
+ "/ynDtjMV8STeruf05xVa/IUyANLqIafbC4XFLqYk1tKnU8O1hfHwBbwFZlkao5QH\n"
+ "IN9CyDIsyyv30JbHz47HJePZkTm/2iOq4ru+pKYFHeDz4EIEJRGl8HD7wtpo3F5E\n"
+ "mxe9uI5GMCdbswGnmw1a0u/VrSXpxwVyQMGHP6KWZ0dIunFW0Sh4DEdf9/tygtwx\n"
+ "nJ+/RYGqTKLv59+OkJGH/e6J6BV9rKYfjTiRC+hAAQKBgQD/1dW9WSXnquVGdJkq\n"
+ "QnohnMp/EkaXA3e3RiS9Bx9hhNwfdijqx3zyV1LnHGhuEaCXSCoy6zIOLQxOkkA8\n"
+ "rLCzpN/hp3c8pQUwYlQodZ+G/0272jCsD2vmdOuRP2WuFA9hqGgFvUbXkXh4mcEB\n"
+ "xKJY/jAddZvmnvs/dcLt6oJMqwKBgQC1nd18hcjQmIRARRUGs1ZU75yTaLKp+lXf\n"
+ "M7lg8RKE9sWf4ZoT3Snj+pimUOqliE10LiHruawa137q/UC+iI0/I4H9AUhv2mAw\n"
+ "m5drd+G4s6uTiCf7OQxBTmGHEvv5xH7gQih6sjOJI+N57xanC1XMGxijMOSy/D+O\n"
+ "sLxB8yJ4AQKBgQDYYX3kJnB+3vYIfznEmnE92KUUkNqPg2lP483S6yFJk9ux6Hh3\n"
+ "Cr7NIbqGqmpRHiubiHfYlUDC6KsOEXivWMgjSQHqk3+wFUqsP546kjGZNnoCtmqQ\n"
+ "PILgameLc/mGIIVZ7dv9brdqQCmKp1CtNCiz6Fm9sOlpR3HtnKaAH+aQ/QKBgFVW\n"
+ "37tidfEmqYY1r+KdJGT2zqEpokJi4jTmbiZSQPx/pG8zKB5LXyLEHzSPcyLjQFnm\n"
+ "T4Qfk/Js7jNnWyPssEpJ2gvTrYD5oRdWFTmndEZBDs9dPEQ9Ezggp40763D61w9z\n"
+ "pue4kqTPW1Vxdjh6CA/Hb7VHBT/hbdAT1fI7WCgBAoGAZq1rFESL3roi8DtOWl51\n"
+ "nduNO20Yloe6tlhUAKo63krRHKBeKTyLXycpZHcq6UEfys3dixFfu0lN6002lUku\n"
+ "MTbmNOJWhOCa2xuZY0CeINKFnKBnbiauBpo6x+2J0PoWFn8wd1tzFJPbodk8Km1f\n"
+ "qySov+6mrQxHojQYBu9/yYQ=\n"
+ "-----END PRIVATE KEY-----";
String privateKeyStr = "-----BEGIN PRIVATE KEY-----\n"
+ "MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQC1f/Oa//I+SFNN\n"
+ "v+PmHGJ1vLGFDu6A0IQV9DcX/hf2R2JFW/ONxfjlrtAh4dW7itMwIA6u64UlKiml\n"
+ "4UuVBT9ca4wv7R87DFqhxquh+ObMzo2x6QAaXnvL5WMmu8+/aLg6Nc06BXtJHsiw\n"
+ "TO7B09AcDNccdDyI+gXP4LEsIoh9HR1p41cq1RKe5c9khLryc5zQqf6NWlw4aWr9\n"
+ "AI5w4m7zhsTiDH1R9qLSJugOltY+9hLF7E9LexMLwXoQUYyi0WGxRe0h03+EQszv\n"
+ "4gQA4paJPAnk8k6VrUyTlBdeoYneInxZ0FEtFffk/rqVt4B80jjVRTbleSmDNvb7\n"
+ "KFp+KHSrAgMBAAECggEAG0jM2jQ3ul0tCLccD2+c7Y4cMaB5AixWbuZzkcvE1mUM\n"
+ "xNh52Io2THDnIPDOLI9GCCoJiwokzd10vVcNAa30RHR2co327+1/gmpXStYb/BXg\n"
+ "/ynDtjMV8STeruf05xVa/IUyANLqIafbC4XFLqYk1tKnU8O1hfHwBbwFZlkao5QH\n"
+ "IN9CyDIsyyv30JbHz47HJePZkTm/2iOq4ru+pKYFHeDz4EIEJRGl8HD7wtpo3F5E\n"
+ "mxe9uI5GMCdbswGnmw1a0u/VrSXpxwVyQMGHP6KWZ0dIunFW0Sh4DEdf9/tygtwx\n"
+ "nJ+/RYGqTKLv59+OkJGH/e6J6BV9rKYfjTiRC+hAAQKBgQD/1dW9WSXnquVGdJkq\n"
+ "QnohnMp/EkaXA3e3RiS9Bx9hhNwfdijqx3zyV1LnHGhuEaCXSCoy6zIOLQxOkkA8\n"
+ "rLCzpN/hp3c8pQUwYlQodZ+G/0272jCsD2vmdOuRP2WuFA9hqGgFvUbXkXh4mcEB\n"
+ "xKJY/jAddZvmnvs/dcLt6oJMqwKBgQC1nd18hcjQmIRARRUGs1ZU75yTaLKp+lXf\n"
+ "M7lg8RKE9sWf4ZoT3Snj+pimUOqliE10LiHruawa137q/UC+iI0/I4H9AUhv2mAw\n"
+ "m5drd+G4s6uTiCf7OQxBTmGHEvv5xH7gQih6sjOJI+N57xanC1XMGxijMOSy/D+O\n"
+ "sLxB8yJ4AQKBgQDYYX3kJnB+3vYIfznEmnE92KUUkNqPg2lP483S6yFJk9ux6Hh3\n"
+ "Cr7NIbqGqmpRHiubiHfYlUDC6KsOEXivWMgjSQHqk3+wFUqsP546kjGZNnoCtmqQ\n"
+ "PILgameLc/mGIIVZ7dv9brdqQCmKp1CtNCiz6Fm9sOlpR3HtnKaAH+aQ/QKBgFVW\n"
+ "37tidfEmqYY1r+KdJGT2zqEpokJi4jTmbiZSQPx/pG8zKB5LXyLEHzSPcyLjQFnm\n"
+ "T4Qfk/Js7jNnWyPssEpJ2gvTrYD5oRdWFTmndEZBDs9dPEQ9Ezggp40763D61w9z\n"
+ "pue4kqTPW1Vxdjh6CA/Hb7VHBT/hbdAT1fI7WCgBAoGAZq1rFESL3roi8DtOWl51\n"
+ "nduNO20Yloe6tlhUAKo63krRHKBeKTyLXycpZHcq6UEfys3dixFfu0lN6002lUku\n"
+ "MTbmNOJWhOCa2xuZY0CeINKFnKBnbiauBpo6x+2J0PoWFn8wd1tzFJPbodk8Km1f\n"
+ "qySov+6mrQxHojQYBu9/yYQ=\n" + "-----END PRIVATE KEY-----";
String cipher =
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