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*/
/* * @test * @bug 4856966 * @summary basic test of SHA1withDSA and RawDSA signing/verifying * @author Andreas Sterbenz * @library /test/lib .. * @key randomness * @modules jdk.crypto.cryptoki * @run main/othervm TestDSA * @run main/othervm -Djava.security.manager=allow TestDSA sm
*/
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 = b("0102030405060708090a0b0c0d0e0f10111213"); privatefinalstaticbyte[] data1SHA = b("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 = b("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 = b("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 = b("da:39:a3:ee:5e:6b:4b:0d:32:55:bf:ef:95:60:18:90:af:d8:07:09");
privatevoid testSigning(Provider provider, PrivateKey privateKey,
PublicKey publicKey) throws Exception { 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");
}
publicstatic String toString(byte[] b) {
StringBuffer sb = new StringBuffer(b.length * 3); for (int i = 0; i < b.length; i++) { int k = b[i] & 0xff; if (i != 0) {
sb.append(':');
}
sb.append(hexDigits[k >>> 4]);
sb.append(hexDigits[k & 0xf]);
} return sb.toString();
}
publicstaticbyte[] parse(String s) { try { int n = s.length();
ByteArrayOutputStream out = new ByteArrayOutputStream(n / 3);
StringReader r = new StringReader(s); while (true) { int b1 = nextNibble(r); if (b1 < 0) { break;
} int b2 = nextNibble(r); if (b2 < 0) { thrownew RuntimeException("Invalid string " + s);
} int b = (b1 << 4) | b2;
out.write(b);
} return out.toByteArray();
} catch (IOException e) { thrownew RuntimeException(e);
}
}
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