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*/
/** * @test * @bug 4815057 4839277 * @summary basic test of SHA1withDSA and RawDSA signing/verifying * @author Andreas Sterbenz * @key randomness
*/
privatefinalstatic BigInteger p = new BigInteger(ps, 16); privatefinalstatic BigInteger q = new BigInteger(qs, 16); privatefinalstatic BigInteger g = new BigInteger(gs, 16); privatefinalstatic BigInteger x = new BigInteger(xs, 16); privatefinalstatic BigInteger y = new BigInteger(ys, 16);
// data for test 1, original and SHA-1 hashed privatefinalstaticbyte[] data1Raw = HexFormat.of()
.parseHex("0102030405060708090a0b0c0d0e0f10111213"); privatefinalstaticbyte[] data1SHA = HexFormat.ofDelimiter(":")
.parseHex("00:e2:5f:c9:1c:8f:d6:8c:6a:dc:c6:bd:f0:46:60:5e:a2:cd:8d:ad");
// valid signatures of data1. sig1b uses incorrect ASN.1 encoding, // which we want to accept anyway for compatibility privatefinalstaticbyte[] sig1a = HexFormat.ofDelimiter(":")
.parseHex("30:2d:02:14:53:06:3f:7d:ec:48:3c:99:17:9a:2c:a9:4d:e8:00:da:70:fb:35:d7:02:15:00:92:6a:39:6b:15:63:2f:e7:32:90:35:bf:af:47:55:e7:ff:33:a5:13"); privatefinalstaticbyte[] sig1b = HexFormat.ofDelimiter(":")
.parseHex("30:2c:02:14:53:06:3f:7d:ec:48:3c:99:17:9a:2c:a9:4d:e8:00:da:70:fb:35:d7:02:14:92:6a:39:6b:15:63:2f:e7:32:90:35:bf:af:47:55:e7:ff:33:a5:13");
// data for test 2 (invalid signatures) privatefinalstaticbyte[] data2Raw = {}; privatefinalstaticbyte[] data2SHA = HexFormat.ofDelimiter(":")
.parseHex("da:39:a3:ee:5e:6b:4b:0d:32:55:bf:ef:95:60:18:90:af:d8:07:09");
byte[] data = newbyte[2048]; new Random().nextBytes(data);
// sign random data using SHA1withDSA and verify using // SHA1withDSA and RawDSA
Signature s = Signature.getInstance("SHA1withDSA", provider);
s.initSign(privateKey);
s.update(data); byte[] s1 = s.sign();
s.initVerify(publicKey);
s.update(data); if (!s.verify(s1)) { thrownew Exception("Sign/verify 1 failed");
}
// sign random data using RawDSA and verify using // SHA1withDSA and RawDSA
s.initSign(privateKey);
s.update(digest); byte[] s2 = s.sign();
s.initVerify(publicKey);
s.update(digest); if (!s.verify(s2)) { thrownew Exception("Sign/verify 3 failed");
}
s = Signature.getInstance("SHA1withDSA", provider);
s.initVerify(publicKey);
s.update(data); if (!s.verify(s2)) { thrownew Exception("Sign/verify 4 failed");
}
// test behavior if data of incorrect length is passed
s = Signature.getInstance("RawDSA", provider);
s.initSign(privateKey);
s.update(newbyte[8]);
s.update(newbyte[64]); try {
s.sign(); thrownew Exception("No error RawDSA signing long data");
} catch (SignatureException e) { // expected
}
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