/projects/jruby-1.7.3/src/org/jruby/ext/openssl/impl/CipherSpec.java

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 * Copyright (C) 2009 Hiroshi Nakamura <nahi@ruby-lang.org>
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package org.jruby.ext.openssl.impl;

import javax.crypto.Cipher;

/**
 *
 * @author <a href="mailto:ola.bini@gmail.com">Ola Bini</a>
 */
public class CipherSpec extends BIOFilter {
    private final Cipher cipher;
    private final String osslName;
    private final int keyLenInBits;

    public CipherSpec(Cipher cipher, String osslName, int keyLenInBits) {
        this.cipher = cipher;
        this.osslName = osslName;
        this.keyLenInBits = keyLenInBits;
    }

    public Cipher getCipher() {
        return cipher;
    }

    public String getOsslName() {
        return osslName;
    }

    public int getKeyLenInBits() {
        return keyLenInBits;
    }

    public String getAlgorithm() {
        return getCipher().getAlgorithm();
    }

    public String getWrappingAlgorithm() {
        return getWrappingAlgorithm(getAlgorithm());
    }

    public static String getWrappingAlgorithm(String algorithm) {
        if (algorithm == null) {
            return null;
        }
        if (algorithm.equalsIgnoreCase("RSA")) {
            return "RSA/ECB/PKCS1Padding";
        } else {
            return algorithm;
        }
    }

}// CipherSpec