/** Calculates RIPEMD160(SHA256(input)). This is used in Address calculations. */ public static byte[] sha256hash160(byte[] input) { byte[] sha256 = Sha256Hash.hash(input); RIPEMD160Digest digest = new RIPEMD160Digest(); digest.update(sha256, 0, sha256.length); byte[] out = new byte[20]; digest.doFinal(out, 0); return out; }
/** Calculates RIPEMD160(SHA256(input)). This is used in Address calculations. */ public static byte[] sha256hash160(byte[] input) { try { byte[] sha256 = MessageDigest.getInstance("SHA-256").digest(input); RIPEMD160Digest digest = new RIPEMD160Digest(); digest.update(sha256, 0, sha256.length); byte[] out = new byte[20]; digest.doFinal(out, 0); return out; } catch (NoSuchAlgorithmException e) { throw new RuntimeException(e); // Cannot happen. } }