Example usage for org.bouncycastle.crypto.engines NoekeonEngine NoekeonEngine

Introduction

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

Prototype

public NoekeonEngine() 

Source Link

Document

Create an instance of the Noekeon encryption algorithm and set some defaults

Usage

From source file:NoekeonVects.java

License:Creative Commons License

public void eax_vectors() throws Exception {
    System.out.println("EAX-noekeon (16 byte key)");
    EAXBlockCipher eax = new EAXBlockCipher(new NoekeonEngine());
    byte[] output = new byte[48];
    byte[] tag = new byte[16];

    for (int j = 0; j < 16; j++)
        tag[j] = (byte) j;

    for (int i = 0; i <= 32; i++) {
        byte[] header_nonce_plaintext = new byte[i];
        for (int j = 0; j < i; j++)
            header_nonce_plaintext[j] = (byte) j;
        AEADParameters params = new AEADParameters(maybe_schedule_key(tag), 128, header_nonce_plaintext,
                header_nonce_plaintext);
        eax.init(true, params);//  w ww.j  a  v  a  2s.  c  o m
        int off = eax.processBytes(header_nonce_plaintext, 0, i, output, 0);
        off += eax.doFinal(output, off);
        if (off != i + 16)
            throw new RuntimeException("didn't expect that");
        byte[] ciphertext = new byte[i];
        for (int j = 0; j < i; j++)
            ciphertext[j] = output[j];
        for (int j = 0; j < 16; j++)
            tag[j] = output[i + j];
        System.out.print(i < 10 ? "  " : " ");
        System.out.print(i);
        System.out.print(": ");
        hexOut(ciphertext);
        System.out.print(", ");
        hexOut(tag);
        System.out.println();
    }
}

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From source file:org.cryptacular.spec.BlockCipherSpec.java

License:Open Source License

@Override
public BlockCipher newInstance() {
    BlockCipher cipher;/*ww w. jav a2s  .c o  m*/
    if ("AES".equalsIgnoreCase(algorithm)) {
        cipher = new AESFastEngine();
    } else if ("Blowfish".equalsIgnoreCase(algorithm)) {
        cipher = new BlowfishEngine();
    } else if ("Camellia".equalsIgnoreCase(algorithm)) {
        cipher = new CamelliaEngine();
    } else if ("CAST5".equalsIgnoreCase(algorithm)) {
        cipher = new CAST5Engine();
    } else if ("CAST6".equalsIgnoreCase(algorithm)) {
        cipher = new CAST6Engine();
    } else if ("DES".equalsIgnoreCase(algorithm)) {
        cipher = new DESEngine();
    } else if ("DESede".equalsIgnoreCase(algorithm) || "DES3".equalsIgnoreCase(algorithm)) {
        cipher = new DESedeEngine();
    } else if ("GOST".equalsIgnoreCase(algorithm) || "GOST28147".equals(algorithm)) {
        cipher = new GOST28147Engine();
    } else if ("Noekeon".equalsIgnoreCase(algorithm)) {
        cipher = new NoekeonEngine();
    } else if ("RC2".equalsIgnoreCase(algorithm)) {
        cipher = new RC2Engine();
    } else if ("RC5".equalsIgnoreCase(algorithm)) {
        cipher = new RC564Engine();
    } else if ("RC6".equalsIgnoreCase(algorithm)) {
        cipher = new RC6Engine();
    } else if ("SEED".equalsIgnoreCase(algorithm)) {
        cipher = new SEEDEngine();
    } else if ("Serpent".equalsIgnoreCase(algorithm)) {
        cipher = new SerpentEngine();
    } else if ("Skipjack".equalsIgnoreCase(algorithm)) {
        cipher = new SkipjackEngine();
    } else if ("TEA".equalsIgnoreCase(algorithm)) {
        cipher = new TEAEngine();
    } else if ("Twofish".equalsIgnoreCase(algorithm)) {
        cipher = new TwofishEngine();
    } else if ("XTEA".equalsIgnoreCase(algorithm)) {
        cipher = new XTEAEngine();
    } else {
        throw new IllegalStateException("Unsupported cipher algorithm " + algorithm);
    }
    return cipher;
}

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