Examples of gnu.java.security.hash.IMessageDigest.digest()

Class gnu.java.security.hash.IMessageDigest

Examples of gnu.java.security.hash.IMessageDigest.digest()

gnu.java.security.hash.IMessageDigest.digest()

        buffy = Util.trim(A);
        hash.update(buffy, 0, buffy.length);
        buffy = Util.trim(B);
        hash.update(buffy, 0, buffy.length);


        BigInteger u = new BigInteger(1, hash.digest());


        // compute S = ((A * (v ** u)) ** b) % N
        BigInteger S1 = A.multiply(v.modPow(u, N)).modPow(b, N);


        // compute K = H(S) (as of rev 08)

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        // compute K = H(S) (as of rev 08)
        byte[] s1Bytes = Util.trim(S1);
        hash.update(s1Bytes, 0, s1Bytes.length);


        byte[] K1 = hash.digest();


        BigInteger x = new BigInteger(1, srp.computeX(s, user, password));


        // compute S = ((B - (3 * (g ** x))) ** (a + (u * x))) % N
        // compute S = ((B - (3 * v)) ** (a + (u * x))) % N

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        // compute K = H(S) (as of rev 08)
        byte[] s2Bytes = Util.trim(S2);
        hash.update(s2Bytes, 0, s2Bytes.length);


        byte[] K2 = hash.digest();


        harness.check(Arrays.equals(K1, K2)); // #1,4,7,10


        // ===================================================================

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    harness.check(bob.verify(signature), "instance methods");


    IMessageDigest sha = new Sha160();
    sha.update(message, 0, message.length);
    byte[] hash = sha.digest();
    BigInteger[] rs = DSSSignature.sign(privateK, hash);


    harness.check(DSSSignature.verify(publicK, hash, rs), "class methods");
  }
}

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            harness.fail("MessageDigest.getInstance(" + mdName + "): "
                         + String.valueOf(x));
          }


        gnu.update(in, 0, in.length);
        ba1 = gnu.digest();
        ba2 = jce.digest(in);


        harness.check(Arrays.equals(ba1, ba2), "testEquality(" + mdName + ")");
      }
  }

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    buffy = Util.trim(A);
    hash.update(buffy, 0, buffy.length);
    buffy = Util.trim(B);
    hash.update(buffy, 0, buffy.length);


    final BigInteger u = new BigInteger(1, hash.digest());


    // compute S = ((A * (v ** u)) ** b) % N
    final BigInteger S1 = A.multiply(v.modPow(u, N)).modPow(b, N);


    // compute K = H(S) (as of rev 08)

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    // compute K = H(S) (as of rev 08)
    final byte[] s1Bytes = Util.trim(S1);
    hash.update(s1Bytes, 0, s1Bytes.length);


    final byte[] K1 = hash.digest();


    final BigInteger x = new BigInteger(1, srp.computeX(salt, user, password));


    // compute S = ((B - (3 * (g ** x))) ** (a + (u * x))) % N
    // compute S = ((B - (3 * v)) ** (a + (u * x))) % N

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    // compute K = H(S) (as of rev 08)
    final byte[] s2Bytes = Util.trim(S2);
    hash.update(s2Bytes, 0, s2Bytes.length);


    final byte[] K2 = hash.digest();


    harness.check(S1.equals(S2));
    harness.check(Arrays.equals(K1, K2));


    try

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    byte[] result = new byte[l];
    // 3. For i = 0 to CEILING(l/hLen) ? 1, do
    int limit = ((l + hLen - 1) / hLen) - 1;
    IMessageDigest hashZ = null;
    hashZ = (IMessageDigest) hash.clone();
    hashZ.digest();
    hashZ.update(Z, 0, Z.length);
    IMessageDigest hashZC = null;
    byte[] t;
    int sofar = 0;
    int length;

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        hashZC = (IMessageDigest) hashZ.clone();
        hashZC.update((byte)(i >>> 24));
        hashZC.update((byte)(i >>> 16));
        hashZC.update((byte)(i >>> 8));
        hashZC.update((byte) i);
        t = hashZC.digest();
        length = l - sofar;
        length = (length > hLen ? hLen : length);
        System.arraycopy(t, 0, result, sofar, length);
        sofar += length;
      }

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