@Test public void validSignature() { final KeyPair keyPair = CertificateUtils.generateKeyPair(); final byte[] challenge = CertificateUtils.generateChallenge(); final byte[] salt = CertificateUtils.generateChallenge(); final byte[] signature = CertificateUtils.signChallenge(keyPair.getPrivate(), challenge, salt); CertificateUtils.validateSignature(keyPair.getPublic(), challenge, salt, signature); }
@Test(expectedExceptions = InvalidSignatureException.class) public void invalidSignature() { final KeyPair keyPair = CertificateUtils.generateKeyPair(); final byte[] challenge = CertificateUtils.generateChallenge(); final byte[] salt = CertificateUtils.generateChallenge(); final byte[] signature = CertificateUtils.signChallenge(keyPair.getPrivate(), challenge, salt); salt[0]++; CertificateUtils.validateSignature(keyPair.getPublic(), challenge, salt, signature); }