Examples with Hash it.unica.tcs.lib.Hash used on opensource projects

Example 1 with Hash

use of it.unica.tcs.lib.Hash in project balzac by balzac-lang.

the class BitcoinUtils method sha1.

public static Hash sha1(byte[] bytes) {
    SHA1Digest digest = new SHA1Digest();
    digest.update(bytes, 0, bytes.length);
    byte[] sha1Hash = new byte[20];
    digest.doFinal(sha1Hash, 0);
    return new Hash(sha1Hash);
}

Example 2 with Hash

use of it.unica.tcs.lib.Hash in project balzac by balzac-lang.

the class BitcoinUtils method hash.

public static Hash hash(Object input, HashAlgorithm alg) {
    checkArgument(input instanceof Number || input instanceof Hash || input instanceof Boolean || input instanceof String || input instanceof byte[]);
    String methodName = null;
    switch(alg) {
        case HASH160:
            methodName = "hash160";
            break;
        case HASH256:
            methodName = "hash256";
            break;
        case RIPEMD160:
            methodName = "ripemd160";
            break;
        case SHA256:
            methodName = "sha256";
            break;
        case SHA1:
            methodName = "sha1";
            break;
        default:
            throw new IllegalArgumentException("unexpected class " + alg);
    }
    try {
        Method method = MethodUtils.getMatchingMethod(BitcoinUtils.class, methodName, input.getClass());
        return Hash.class.cast(method.invoke(null, input));
    } catch (SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
        throw new IllegalStateException(e);
    }
}

Example 3 with Hash

use of it.unica.tcs.lib.Hash in project balzac by balzac-lang.

the class ASTUtils method objectToExpression.

public Expression objectToExpression(Object value) {
    if (value instanceof Long) {
        NumberLiteral res = BitcoinTMFactory.eINSTANCE.createNumberLiteral();
        res.setValue((Long) value);
        return res;
    } else if (value instanceof String) {
        StringLiteral res = BitcoinTMFactory.eINSTANCE.createStringLiteral();
        res.setValue((String) value);
        return res;
    } else if (value instanceof Boolean) {
        BooleanLiteral res = BitcoinTMFactory.eINSTANCE.createBooleanLiteral();
        res.setTrue((Boolean) value);
        return res;
    } else if (value instanceof Hash) {
        HashLiteral res = BitcoinTMFactory.eINSTANCE.createHashLiteral();
        res.setValue(((Hash) value).getBytes());
        return res;
    } else if (value instanceof DumpedPrivateKey) {
        KeyLiteral res = BitcoinTMFactory.eINSTANCE.createKeyLiteral();
        res.setValue(((DumpedPrivateKey) value).toBase58());
        return res;
    } else if (value instanceof TransactionSignature) {
        SignatureLiteral res = BitcoinTMFactory.eINSTANCE.createSignatureLiteral();
        res.setValue(BitcoinUtils.encode(((TransactionSignature) value).encodeToBitcoin()));
        return res;
    } else {
        throw new IllegalStateException("Unexpected type " + value.getClass());
    }
}

Example 4 with Hash

use of it.unica.tcs.lib.Hash in project balzac by balzac-lang.

the class BitcoinUtils method ripemd160.

public static Hash ripemd160(byte[] bytes) {
    RIPEMD160Digest digest = new RIPEMD160Digest();
    digest.update(bytes, 0, bytes.length);
    byte[] ripmemdHash = new byte[20];
    digest.doFinal(ripmemdHash, 0);
    return new Hash(ripmemdHash);
}

Example 5 with Hash

use of it.unica.tcs.lib.Hash in project balzac by balzac-lang.

the class BitcoinUtilsTest method test_hash_refl.

@Test
public void test_hash_refl() {
    HashAlgorithm[] hashClasses = new HashAlgorithm[] { HashAlgorithm.HASH160, HashAlgorithm.HASH256, HashAlgorithm.RIPEMD160, HashAlgorithm.SHA256, HashAlgorithm.SHA1 };
    Object[] values = new Object[] { 1, 1L, "", true, new byte[42], new Hash(new byte[20]), new Hash(new byte[20]), new Hash(new byte[32]), new Hash(new byte[32]) };
    for (HashAlgorithm hashCls : hashClasses) {
        for (Object v : values) {
            assertArrayEquals(executeScript(v, hashCls), BitcoinUtils.hash(v, hashCls).getBytes());
        }
    }
}