Example usage for org.bouncycastle.crypto.encodings OAEPEncoding processBlock

Introduction

In this page you can find the example usage for org.bouncycastle.crypto.encodings OAEPEncoding processBlock.

Prototype

public byte[] processBlock(byte[] in, int inOff, int inLen) throws InvalidCipherTextException 

Source Link

Usage

From source file:org.fnppl.opensdx.security.PrivateKey.java

License:Open Source License

public byte[] decrypt(byte[] data) throws Exception {
    RSABlindedEngine rsae = new RSABlindedEngine();

    OAEPEncoding oaep = new OAEPEncoding(rsae);
    oaep.init(false, //fr encrypt: true
            //            bp
            priv);// ww w  .  j  a  v a 2 s. co m
    if (data.length > rsae.getInputBlockSize()) {
        throw new RuntimeException("PrivateKey.encrypt::data.length(" + data.length + ") too long - max is: "
                + rsae.getInputBlockSize());
    }

    return oaep.processBlock(data, 0, data.length);
}

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From source file:org.fnppl.opensdx.security.PrivateKey.java

License:Open Source License

public byte[] encrypt(byte[] data) throws Exception {
    RSABlindedEngine rsae = new RSABlindedEngine();

    //      RSABlindingEngine rsae = new RSABlindingEngine();
    //      //from   w  w  w.j  a  va 2  s.  c  o  m
    //      RSABlindingParameters bp = new RSABlindingParameters(
    //            priv, 
    //            PublicKey.generateBlindingFactor(pubkey)
    //         );

    OAEPEncoding oaep = new OAEPEncoding(rsae);
    oaep.init(true, //fr encrypt: true
            //            bp
            priv);
    if (data.length > rsae.getInputBlockSize()) {
        throw new RuntimeException("PrivateKey.encrypt::data.length(" + data.length + ") too long - max is: "
                + rsae.getInputBlockSize());
    }

    return oaep.processBlock(data, 0, data.length);
}

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From source file:org.fnppl.opensdx.security.PublicKey.java

License:Open Source License

public byte[] encrypt(byte[] data) throws Exception {
    //      RSABlindingEngine rsae = new RSABlindingEngine();
    RSABlindedEngine rsab = new RSABlindedEngine();

    //      RSABlindingParameters bp = new RSABlindingParameters(
    //            pub, 
    //            generateBlindingFactor(pub)
    //         );

    //      OAEPEncoding oaep = new OAEPEncoding(rsae);
    OAEPEncoding oaep = new OAEPEncoding(rsab);
    oaep.init(true, //fr encrypt: true
            pub/*from  w w w . j a  v  a  2 s . c  o  m*/
    //            bp
    );

    if (data.length > rsab.getInputBlockSize()) {
        throw new RuntimeException("PublicKey.encrypt::data.length(" + data.length + ") too long - max is: "
                + oaep.getInputBlockSize());
    }

    return oaep.processBlock(data, 0, data.length);
}

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From source file:org.fnppl.opensdx.security.PublicKey.java

License:Open Source License

public byte[] decrypt(byte[] data) throws Exception {
    //      RSABlindingEngine rsae = new RSABlindingEngine();

    RSABlindedEngine rsae = new RSABlindedEngine();

    //      RSABlindingParameters bp = new RSABlindingParameters(
    //            pub, 
    //            generateBlindingFactor(pub)
    //         );

    OAEPEncoding oaep = new OAEPEncoding(rsae);
    oaep.init(false, //fr encrypt: true
            pub//  w  ww. j av  a  2  s. c  o  m
    //            bp
    );

    if (data.length > rsae.getInputBlockSize()) {
        throw new RuntimeException("PublicKey.decrypt::data.length(" + data.length + ") too long - max is: "
                + oaep.getInputBlockSize());
    }

    return oaep.processBlock(data, 0, data.length);
}

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