Example usage for org.bouncycastle.asn1.pkcs RC2CBCParameter getRC2ParameterVersion

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.pkcs RC2CBCParameter getRC2ParameterVersion.

Prototype

public BigInteger getRC2ParameterVersion() 

Source Link

Usage

From source file:org.xwiki.crypto.password.internal.pbe.factory.BcPBES2Rc2CipherFactory.java

License:Open Source License

private SymmetricCipherParameters getRC2CipherParameters(byte[] password, RC2CBCParameter rc2Params,
        KeyDerivationFunction df) {//ww  w . ja  v  a 2s  .  c o m
    KeyParameter keyParam;
    BigInteger version = rc2Params.getRC2ParameterVersion();
    if (version != null) {
        int bits = getRC2EffectiveBits(version.intValue());
        df.overrideKeySize((bits + 7) / 8);
        keyParam = new RC2KeyParameters(df.derive(password).getKey(), bits);
    } else {
        df.overrideKeySize(4);
        keyParam = new KeyParameter(df.derive(password).getKey());
    }

    return new KeyWithIVParameters(keyParam, rc2Params.getIV());
}

---