Package ch.ethz.ssh2.crypto.digest

Examples of ch.ethz.ssh2.crypto.digest.Digest.digest()

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      md5.update(salt, 0, 8); // ARGH we only use the first 8 bytes of the salt in this step.
      // This took me two hours until I got AES-xxx running.

      int copy = (keyLen < tmp.length) ? keyLen : tmp.length;

      md5.digest(tmp, 0);

      System.arraycopy(tmp, 0, key, key.length - keyLen, copy);

      keyLen -= copy;
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      md5.update(salt, 0, 8); // ARGH we only use the first 8 bytes of the salt in this step.
      // This took me two hours until I got AES-xxx running.

      int copy = (keyLen < tmp.length) ? keyLen : tmp.length;

      md5.digest(tmp, 0);

      System.arraycopy(tmp, 0, key, key.length - keyLen, copy);

      keyLen -= copy;
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      md5.update(salt, 0, 8); // ARGH we only use the first 8 bytes of the salt in this step.
      // This took me two hours until I got AES-xxx running.

      int copy = (keyLen < tmp.length) ? keyLen : tmp.length;

      md5.digest(tmp, 0);

      System.arraycopy(tmp, 0, key, key.length - keyLen, copy);

      keyLen -= copy;
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    /* Inspired by Bouncycastle's DSASigner class */

    SHA1 md = new SHA1();
    md.update(message);
    byte[] sha_message = new byte[md.getDigestLength()];
    md.digest(sha_message);

    BigInteger m = new BigInteger(1, sha_message);

    BigInteger r = ds.getR();
    BigInteger s = ds.getS();
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  public static DSASignature generateSignature(byte[] message, DSAPrivateKey pk, SecureRandom rnd)
  {
    SHA1 md = new SHA1();
    md.update(message);
    byte[] sha_message = new byte[md.getDigestLength()];
    md.digest(sha_message);

    BigInteger m = new BigInteger(1, sha_message);
    BigInteger k;
    int qBitLength = pk.getQ().bitLength();
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  public static RSASignature generateSignature(byte[] message, RSAPrivateKey pk) throws IOException
  {
    SHA1 md = new SHA1();
    md.update(message);
    byte[] sha_message = new byte[md.getDigestLength()];
    md.digest(sha_message);

    byte[] der_header = new byte[] { 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1a, 0x05, 0x00,
        0x04, 0x14 };

    int rsa_block_len = (pk.getN().bitLength() + 7) / 8;
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  public static boolean verifySignature(byte[] message, RSASignature ds, RSAPublicKey dpk) throws IOException
  {
    SHA1 md = new SHA1();
    md.update(message);
    byte[] sha_message = new byte[md.getDigestLength()];
    md.digest(sha_message);

    BigInteger n = dpk.getN();
    BigInteger e = dpk.getE();
    BigInteger s = ds.getS();
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  public static RSASignature generateSignature(byte[] message, RSAPrivateKey pk) throws IOException
  {
    SHA1 md = new SHA1();
    md.update(message);
    byte[] sha_message = new byte[md.getDigestLength()];
    md.digest(sha_message);

    byte[] der_header = new byte[] { 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1a, 0x05, 0x00,
        0x04, 0x14 };

    int rsa_block_len = (pk.getN().bitLength() + 7) / 8;
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  public static boolean verifySignature(byte[] message, RSASignature ds, RSAPublicKey dpk) throws IOException
  {
    SHA1 md = new SHA1();
    md.update(message);
    byte[] sha_message = new byte[md.getDigestLength()];
    md.digest(sha_message);

    BigInteger n = dpk.getN();
    BigInteger e = dpk.getE();
    BigInteger s = ds.getS();
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    /* Inspired by Bouncycastle's DSASigner class */

    SHA1 md = new SHA1();
    md.update(message);
    byte[] sha_message = new byte[md.getDigestLength()];
    md.digest(sha_message);

    BigInteger m = new BigInteger(1, sha_message);

    BigInteger r = ds.getR();
    BigInteger s = ds.getS();
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