Example usage for org.bouncycastle.asn1.pkcs RSAPrivateKey RSAPrivateKey

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.pkcs RSAPrivateKey RSAPrivateKey.

Prototype

public RSAPrivateKey(BigInteger modulus, BigInteger publicExponent, BigInteger privateExponent,
            BigInteger prime1, BigInteger prime2, BigInteger exponent1, BigInteger exponent2,
            BigInteger coefficient) 

Source Link

Usage

From source file:co.lqnt.lockbox.key.PrivateKey.java

License:Open Source License

/**
 * Get the Bouncy Castle RSA private key.
 *
 * @return The BouncyCastle RSA private key.
 *///from  www  .j  a  v a 2s  . c  om
public RSAPrivateKey bcPrivateKey() {
    return new RSAPrivateKey(this.modulus(), this.publicExponent(), this.privateExponent(), this.prime1(),
            this.prime2(), this.primeExponent1(), this.primeExponent2(), this.coefficient());
}

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From source file:org.opcfoundation.ua.transport.security.BcCryptoProvider.java

License:Open Source License

@Override
public int decryptAsymm(PrivateKey decryptingKey, SecurityAlgorithm algorithm, byte[] dataToDecrypt,
        byte[] output, int outputOffset) throws ServiceResultException {

    java.security.interfaces.RSAPrivateCrtKey rsaPrivateKey = (java.security.interfaces.RSAPrivateCrtKey) decryptingKey;
    RSAPrivateKey privateKey = new RSAPrivateKey(rsaPrivateKey.getModulus(), rsaPrivateKey.getPublicExponent(),
            rsaPrivateKey.getPrivateExponent(), rsaPrivateKey.getPrimeP(), rsaPrivateKey.getPrimeQ(),
            rsaPrivateKey.getPrimeExponentP(), rsaPrivateKey.getPrimeExponentQ(),
            rsaPrivateKey.getCrtCoefficient());

    AsymmetricBlockCipher cipher = getAsymmetricCipher(algorithm, privateKey);

    try {/*from  ww  w . java  2s.  c om*/

        int len = 0;
        int inputBlockSize = cipher.getInputBlockSize();
        int outputBlockSize = cipher.getOutputBlockSize();
        logger.debug("Decrypt: inputBlockSize={}, outputBlockSize={}, dataToDecrypt.length={}", inputBlockSize,
                outputBlockSize, dataToDecrypt.length);
        for (int i = 0; i < dataToDecrypt.length; i += inputBlockSize) {
            int size = Math.min(dataToDecrypt.length - i, inputBlockSize);
            byte[] tmp = cipher.processBlock(dataToDecrypt, i, size);
            System.arraycopy(tmp, 0, output, outputOffset + len, tmp.length);
            len += tmp.length;
        }
        return len;

    } catch (CryptoException e) {
        throw new ServiceResultException(StatusCodes.Bad_InternalError, e);
    }

}

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From source file:org.opcfoundation.ua.transport.security.BcCryptoProvider.java

License:Open Source License

@Override
public byte[] signAsymm(PrivateKey senderPrivate, SecurityAlgorithm algorithm, byte[] dataToSign)
        throws ServiceResultException {
    if (algorithm == null)
        return null;

    if (dataToSign == null || senderPrivate == null)
        throw new IllegalArgumentException("null arg");

    java.security.interfaces.RSAPrivateCrtKey privateKey = (java.security.interfaces.RSAPrivateCrtKey) senderPrivate;
    RSAPrivateKey privKey = new RSAPrivateKey(privateKey.getModulus(), privateKey.getPublicExponent(),
            privateKey.getPrivateExponent(), privateKey.getPrimeP(), privateKey.getPrimeQ(),
            privateKey.getPrimeExponentP(), privateKey.getPrimeExponentQ(), privateKey.getCrtCoefficient());

    Signer signer = getAsymmetricSigner(true, algorithm, privKey);
    signer.update(dataToSign, 0, dataToSign.length);

    try {//from  w w  w . j a  v a  2 s  . co  m
        return signer.generateSignature();
    } catch (DataLengthException e) {
        logger.error("Input data is not an even number of encryption blocks.");
        throw new ServiceResultException(StatusCodes.Bad_InternalError,
                "Error in symmetric decrypt: Input data is not an even number of encryption blocks.");
    } catch (CryptoException e) {
        throw new ServiceResultException(StatusCodes.Bad_InternalError, e);
    }

}

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From source file:org.xipki.security.bcext.BCRSAPrivateCrtKey.java

License:Open Source License

/**
 * Return a PKCS8 representation of the key. The sequence returned
 * represents a full PrivateKeyInfo object.
 *
 * @return a PKCS8 representation of the key.
 *///from   w  w  w .j  a v  a2 s.c om
public byte[] getEncoded() {
    AlgorithmIdentifier algId = new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE);
    RSAPrivateKey key = new RSAPrivateKey(getModulus(), getPublicExponent(), getPrivateExponent(), getPrimeP(),
            getPrimeQ(), getPrimeExponentP(), getPrimeExponentQ(), getCrtCoefficient());
    return KeyUtil.getEncodedPrivateKeyInfo(algId, key);
}

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