Java ECDSASigner类代码示例

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本文整理汇总了Java中org.spongycastle.crypto.signers.ECDSASigner类的典型用法代码示例。如果您正苦于以下问题：Java ECDSASigner类的具体用法？Java ECDSASigner怎么用？Java ECDSASigner使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

ECDSASigner类属于org.spongycastle.crypto.signers包，在下文中一共展示了ECDSASigner类的14个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: doSign

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
/**
 * Signs the given hash and returns the R and S components as BigIntegers
 * and put them in ECDSASignature
 *
 * @param input to sign
 * @return ECDSASignature signature that contains the R and S components
 */
public ECDSASignature doSign(byte[] input) {
    if (input.length != 32) {
        throw new IllegalArgumentException("Expected 32 byte input to ECDSA signature, not " + input.length);
    }
    // No decryption of private key required.
    if (privKey == null)
        throw new MissingPrivateKeyException();
    if (privKey instanceof BCECPrivateKey) {
        ECDSASigner signer = new ECDSASigner(new HMacDSAKCalculator(new SHA256Digest()));
        ECPrivateKeyParameters privKeyParams = new ECPrivateKeyParameters(((BCECPrivateKey) privKey).getD(), CURVE);
        signer.init(true, privKeyParams);
        BigInteger[] components = signer.generateSignature(input);
        return new ECDSASignature(components[0], components[1]).toCanonicalised();
    } else {
        try {
            final Signature ecSig = ECSignatureFactory.getRawInstance(provider);
            ecSig.initSign(privKey);
            ecSig.update(input);
            final byte[] derSignature = ecSig.sign();
            return ECDSASignature.decodeFromDER(derSignature).toCanonicalised();
        } catch (SignatureException | InvalidKeyException ex) {
            throw new RuntimeException("ECKey signing error", ex);
        }
    }
}

开发者ID:Aptoide，项目名称:AppCoins-ethereumj，代码行数:33，代码来源:ECKey.java

示例2: doSign

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
protected ECDSASignature doSign(Sha256Hash input, BigInteger privateKeyForSigning) {
    if (Secp256k1Context.isEnabled()) {
        try {
            byte[] signature = NativeSecp256k1.sign(
                    input.getBytes(),
                    Utils.bigIntegerToBytes(privateKeyForSigning, 32)
            );
            return ECDSASignature.decodeFromDER(signature);
        } catch (NativeSecp256k1Util.AssertFailException e) {
            log.error("Caught AssertFailException inside secp256k1", e);
            throw new RuntimeException(e);
        }
    }
    if (FAKE_SIGNATURES)
        return TransactionSignature.dummy();
    checkNotNull(privateKeyForSigning);
    ECDSASigner signer = new ECDSASigner(new HMacDSAKCalculator(new SHA256Digest()));
    ECPrivateKeyParameters privKey = new ECPrivateKeyParameters(privateKeyForSigning, CURVE);
    signer.init(true, privKey);
    BigInteger[] components = signer.generateSignature(input.getBytes());
    return new ECDSASignature(components[0], components[1]).toCanonicalised();
}

开发者ID:creativechain，项目名称:creacoinj，代码行数:23，代码来源:ECKey.java

示例3: doSign

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
protected ECDSASignature doSign(Sha256Hash input, BigInteger privateKeyForSigning) {
    if (Secp256k1Context.isEnabled()) {
        try {
            byte[] signature = NativeSecp256k1.sign(input.getBytes(),
                    CryptoUtils.bigIntegerToBytes(privateKeyForSigning, 32));
            return ECDSASignature.decodeFromDER(signature);
        } catch (NativeSecp256k1Util.AssertFailException e) {
            log.error("Caught AssertFailException inside secp256k1", e);
            throw new RuntimeException(e);
        }
    }
    if (FAKE_SIGNATURES)
        // return TransactionSignature.dummy();
        checkNotNull(privateKeyForSigning);
    ECDSASigner signer = new ECDSASigner(new HMacDSAKCalculator(new SHA256Digest()));
    ECPrivateKeyParameters privKey = new ECPrivateKeyParameters(privateKeyForSigning, CURVE);
    signer.init(true, privKey);
    BigInteger[] components = signer.generateSignature(input.getBytes());
    return new ECDSASignature(components[0], components[1]).toCanonicalised();
}

开发者ID:marvin-we，项目名称:crypto-core，代码行数:21，代码来源:ECKey.java

示例4: verify

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
/**
 * <p>Verifies the given ECDSA signature against the message bytes using the public key bytes.</p>
 * 
 * <p>When using native ECDSA verification, data must be 32 bytes, and no element may be
 * larger than 520 bytes.</p>
 *
 * @param data      Hash of the data to verify.
 * @param signature ASN.1 encoded signature.
 * @param pub       The public key bytes to use.
 */
public static boolean verify(byte[] data, ECDSASignature signature, byte[] pub) {
    if (FAKE_SIGNATURES)
        return true;

    ECDSASigner signer = new ECDSASigner();
    ECPublicKeyParameters params = new ECPublicKeyParameters(CURVE.getCurve().decodePoint(pub), CURVE);
    signer.init(false, params);
    try {
        return signer.verifySignature(data, signature.r, signature.s);
    } catch (NullPointerException e) {
        // Bouncy Castle contains a bug that can cause NPEs given specially crafted signatures. Those signatures
        // are inherently invalid/attack sigs so we just fail them here rather than crash the thread.
        log.error("Caught NPE inside bouncy castle", e);
        return false;
    }
}

开发者ID:rsksmart，项目名称:bitcoinj-thin，代码行数:27，代码来源:BtcECKey.java

示例5: verify

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
public static boolean verify(byte[] data, ECDSASignature signature, byte[] pub) {
    if (NativeSecp256k1.enabled) {
        return NativeSecp256k1.verify(data, signature.encodeToDER(), pub);
    }

    ECDSASigner signer = new ECDSASigner();
    ECPublicKeyParameters params = new ECPublicKeyParameters(CURVE.getCurve().decodePoint
            (pub), CURVE);
    signer.init(false, params);
    try {
        return signer.verifySignature(data, signature.r, signature.s);
    } catch (NullPointerException e) {
        // Bouncy Castle contains a bug that can cause NPEs given specially crafted
        // signatures. Those signatures
        // are inherently invalid/attack sigs so we just fail them here rather than crash the
        // thread.
        Log.e("ECKey", "Caught NPE inside bouncy castle");
        e.printStackTrace();
        return false;
    }
}

开发者ID:chaincloud-dot-com，项目名称:chaincloud-v，代码行数:22，代码来源:ECKey.java

示例6: verify

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
/**
 * <p>Verifies the given ECDSA signature against the message bytes using the public key bytes.</p>
 * 
 * <p>When using native ECDSA verification, data must be 32 bytes, and no element may be
 * larger than 520 bytes.</p>
 *
 * @param data      Hash of the data to verify.
 * @param signature ASN.1 encoded signature.
 * @param pub       The public key bytes to use.
 */
public static boolean verify(byte[] data, ECDSASignature signature, byte[] pub) {
    if (FAKE_SIGNATURES)
        return true;

    if (NativeSecp256k1.enabled)
        return NativeSecp256k1.verify(data, signature.encodeToDER(), pub);

    ECDSASigner signer = new ECDSASigner();
    ECPublicKeyParameters params = new ECPublicKeyParameters(CURVE.getCurve().decodePoint(pub), CURVE);
    signer.init(false, params);
    try {
        return signer.verifySignature(data, signature.r, signature.s);
    } catch (NullPointerException e) {
        // Bouncy Castle contains a bug that can cause NPEs given specially crafted signatures. Those signatures
        // are inherently invalid/attack sigs so we just fail them here rather than crash the thread.
        log.error("Caught NPE inside bouncy castle");
        e.printStackTrace();
        return false;
    }
}

开发者ID:HashEngineering，项目名称:namecoinj，代码行数:31，代码来源:ECKey.java

示例7: verify

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
/**
 * <p>Verifies the given ECDSA signature against the message bytes using the public key bytes.</p>
 *
 * <p>When using native ECDSA verification, data must be 32 bytes, and no element may be
 * larger than 520 bytes.</p>
 *
 * @param data      Hash of the data to verify.
 * @param signature ASN.1 encoded signature.
 * @param pub       The public key bytes to use.
 */
public static boolean verify(byte[] data, ECDSASignature signature, byte[] pub) {
    if (FAKE_SIGNATURES)
        return true;
    
    if (NativeSecp256k1.enabled)
        return NativeSecp256k1.verify(data, signature.encodeToDER(), pub);
    
    ECDSASigner signer = new ECDSASigner();
    ECPublicKeyParameters params = new ECPublicKeyParameters(CURVE.getCurve().decodePoint(pub), CURVE);
    signer.init(false, params);
    try {
        return signer.verifySignature(data, signature.r, signature.s);
    } catch (NullPointerException e) {
        // Bouncy Castle contains a bug that can cause NPEs given specially crafted signatures. Those signatures
        // are inherently invalid/attack sigs so we just fail them here rather than crash the thread.
        log.error("Caught NPE inside bouncy castle");
        e.printStackTrace();
        return false;
    }
}

开发者ID:10xEngineer，项目名称:My-Wallet-Android，代码行数:31，代码来源:ECKey.java

示例8: verify

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
/**
 * <p>Verifies the given ECDSA signature against the message bytes using the public key bytes.</p>
 * <p/>
 * <p>When using native ECDSA verification, data must be 32 bytes, and no element may be
 * larger than 520 bytes.</p>
 *
 * @param data      Hash of the data to verify.
 * @param signature ASN.1 encoded signature.
 * @param pub       The public key bytes to use.
 */
public static boolean verify(byte[] data, ECDSASignature signature, byte[] pub) {
    if (FAKE_SIGNATURES)
        return true;

    if (NativeSecp256k1.enabled)
        return NativeSecp256k1.verify(data, signature.encodeToDER(), pub);

    ECDSASigner signer = new ECDSASigner();
    ECPublicKeyParameters params = new ECPublicKeyParameters(CURVE.getCurve().decodePoint(pub), CURVE);
    signer.init(false, params);
    try {
        return signer.verifySignature(data, signature.r, signature.s);
    } catch (NullPointerException e) {
        // Bouncy Castle contains a bug that can cause NPEs given specially crafted signatures. Those signatures
        // are inherently invalid/attack sigs so we just fail them here rather than crash the thread.
        log.error("Caught NPE inside bouncy castle");
        e.printStackTrace();
        return false;
    }
}

开发者ID:bither，项目名称:bitherj，代码行数:31，代码来源:ECKey.java

示例9: verify

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
/**
 * <p>Verifies the given ECDSA signature against the message bytes using the public key bytes.</p>
 * 
 * <p>When using native ECDSA verification, data must be 32 bytes, and no element may be
 * larger than 520 bytes.</p>
 *
 * @param data      Hash of the data to verify.
 * @param signature ASN.1 encoded signature.
 * @param pub       The public key bytes to use.
 */
public static boolean verify(byte[] data, ECDSASignature signature, byte[] pub) {
    if (NativeSecp256k1.enabled)
        return NativeSecp256k1.verify(data, signature.encodeToDER(), pub);

    ECDSASigner signer = new ECDSASigner();
    ECPublicKeyParameters params = new ECPublicKeyParameters(CURVE.getCurve().decodePoint(pub), CURVE);
    signer.init(false, params);
    try {
        return signer.verifySignature(data, signature.r, signature.s);
    } catch (NullPointerException e) {
        // Bouncy Castle contains a bug that can cause NPEs given specially crafted signatures. Those signatures
        // are inherently invalid/attack sigs so we just fail them here rather than crash the thread.
        log.error("Caught NPE inside bouncy castle");
        e.printStackTrace();
        return false;
    }
}

开发者ID:sserrano44，项目名称:bitcoinj-watcher-service，代码行数:28，代码来源:ECKey.java

示例10: verify

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
/**
 * <p>xVerifies the given ECDSA signature against the message bytes using the public key bytes.</p>
 * 
 * <p>When using native ECDSA verification, data must be 32 bytes, and no element may be
 * larger than 520 bytes.</p>
 *
 * @param data      Hash of the data to verify.
 * @param signature ASN.1 encoded signature.
 * @param pub       The public key bytes to use.
 */
public static boolean verify(byte[] data, ECDSASignature signature, byte[] pub) {
    if (NativeSecp256k1.enabled)
        return NativeSecp256k1.verify(data, signature.encodeToDER(), pub);

    ECDSASigner signer = new ECDSASigner();
    ECPublicKeyParameters params = new ECPublicKeyParameters(ecParams.getCurve().decodePoint(pub), ecParams);
    signer.init(false, params);
    try {
        return signer.verifySignature(data, signature.r, signature.s);
    } catch (NullPointerException e) {
        // Bouncy Castle contains a bug that can cause NPEs given specially crafted signatures. Those signatures
        // are inherently invalid/attack sigs so we just fail them here rather than crash the thread.
        log.error("Caught NPE inside bouncy castle");
        e.printStackTrace();
        return false;
    }
}

开发者ID:praus，项目名称:multicoinj，代码行数:28，代码来源:ECKey.java

示例11: verify

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
/**
 * <p>Verifies the given ECDSA signature against the message bytes using the public key bytes.</p>
 *
 * <p>When using native ECDSA verification, data must be 32 bytes, and no element may be
 * larger than 520 bytes.</p>
 *
 * @param data Hash of the data to verify.
 * @param signature signature.
 * @param pub The public key bytes to use.
 *
 * @return -
 */
public static boolean verify(byte[] data, ECDSASignature signature, byte[] pub) {
    ECDSASigner signer = new ECDSASigner();
    ECPublicKeyParameters params = new ECPublicKeyParameters(CURVE.getCurve().decodePoint(pub), CURVE);
    signer.init(false, params);
    try {
        return signer.verifySignature(data, signature.r, signature.s);
    } catch (NullPointerException npe) {
        // Bouncy Castle contains a bug that can cause NPEs given specially crafted signatures.
        // Those signatures are inherently invalid/attack sigs so we just fail them here rather than crash the thread.
        logger.error("Caught NPE inside bouncy castle", npe);
        return false;
    }
}

开发者ID:talentchain，项目名称:talchain，代码行数:26，代码来源:ECKey.java

示例12: verify

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
/**
 * 验证签名
 */
public static boolean verify(byte[] data, ECDSASignature signature, byte[] pub) {
    ECDSASigner signer = new ECDSASigner();
    ECPublicKeyParameters params = new ECPublicKeyParameters(CURVE.getCurve().decodePoint(pub), CURVE);
    signer.init(false, params);
    try {
        return signer.verifySignature(data, signature.r, signature.s);
    } catch (NullPointerException e) {
        log.error("Caught NPE inside bouncy castle", e);
        return false;
    }
}

开发者ID:nuls-io，项目名称:nuls，代码行数:15，代码来源:ECKey.java

示例13: doSign

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
protected ECDSASignature doSign(Sha256Hash input, BigInteger privateKeyForSigning) {
    Utils.checkNotNull(privateKeyForSigning);
    ECDSASigner signer = new ECDSASigner(new HMacDSAKCalculator(new SHA256Digest()));
    ECPrivateKeyParameters privKey = new ECPrivateKeyParameters(privateKeyForSigning, CURVE);
    signer.init(true, privKey);
    BigInteger[] components = signer.generateSignature(input.getBytes());
    return new ECDSASignature(components[0], components[1]).toCanonicalised();
}

开发者ID:nuls-io，项目名称:nuls，代码行数:9，代码来源:ECKey.java

示例14: doSign

import org.spongycastle.crypto.signers.ECDSASigner; //导入依赖的package包/类
/**
 * Signs the given hash and returns the R and S components as BigIntegers
 * and put them in ECDSASignature
 *
 * @param input to sign
 * @return ECDSASignature signature that contains the R and S components
 */
public ECDSASignature doSign(byte[] input) {
    // No decryption of private key required.
    if (priv == null) {
        throw new MissingPrivateKeyException();
    }
    ECDSASigner signer = new ECDSASigner(new HMacDSAKCalculator(new SHA256Digest()));
    ECPrivateKeyParameters privKey = new ECPrivateKeyParameters(priv, CURVE);
    signer.init(true, privKey);
    BigInteger[] components = signer.generateSignature(input);
    return new ECDSASignature(components[0], components[1]).toCanonicalised();
}

开发者ID:rsksmart，项目名称:rskj，代码行数:19，代码来源:ECKey.java

注：本文中的org.spongycastle.crypto.signers.ECDSASigner类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。