Example usage for org.bouncycastle.jce.provider JCERSAPrivateCrtKey getCrtCoefficient

Introduction

In this page you can find the example usage for org.bouncycastle.jce.provider JCERSAPrivateCrtKey getCrtCoefficient.

Prototype

public BigInteger getCrtCoefficient() 

Source Link

Document

return the CRT coefficient.

Usage

From source file:nl.uva.vlet.grid.ssl.PrivateKeyReader.java

License:Apache License

public static byte[] getEncoded(PrivateKey inKey) {
    JCERSAPrivateCrtKey key;
    if (inKey instanceof JCERSAPrivateCrtKey)
        key = (JCERSAPrivateCrtKey) inKey;
    else/*from   ww  w  .j  av a  2 s.c om*/
        throw new IllegalArgumentException((new StringBuilder()).append("Argument was:").append(inKey)
                .append(" Expected: JCERSAPrivateCrtKey").toString());
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    DEROutputStream dOut = new DEROutputStream(bOut);
    RSAPrivateKeyStructure info = new RSAPrivateKeyStructure(key.getModulus(), key.getPublicExponent(),
            key.getPrivateExponent(), key.getPrimeP(), key.getPrimeQ(), key.getPrimeExponentP(),
            key.getPrimeExponentQ(), key.getCrtCoefficient());
    try {
        dOut.writeObject(info);
        dOut.close();
    } catch (IOException e) {
        throw new RuntimeException("Error encoding RSA public key");
    }
    return bOut.toByteArray();
}

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