Example usage for org.bouncycastle.crypto.engines RSABlindedEngine getInputBlockSize

Introduction

In this page you can find the example usage for org.bouncycastle.crypto.engines RSABlindedEngine getInputBlockSize.

Prototype

public int getInputBlockSize() 

Source Link

Document

Return the maximum size for an input block to this engine.

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);//from   ww  w.ja v  a 2s  .com
    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);
}

---

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 .  co 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);
}

---

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/* ww w . j a v  a2 s.c om*/
    //            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);
}

---

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 w  w  .j  a v 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);
}

---