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Unified Diff: base/crypto/signature_verifier_unittest.cc

Issue 6805019: Move crypto files out of base, to a top level directory. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Fixes comments by eroman Created 9 years, 8 months ago
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Index: base/crypto/signature_verifier_unittest.cc
===================================================================
--- base/crypto/signature_verifier_unittest.cc (revision 81350)
+++ base/crypto/signature_verifier_unittest.cc (working copy)
@@ -1,268 +0,0 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/crypto/signature_verifier.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-TEST(SignatureVerifierTest, BasicTest) {
- // The input data in this test comes from real certificates.
- //
- // tbs_certificate ("to-be-signed certificate", the part of a certificate
- // that is signed), signature_algorithm, and algorithm come from the
- // certificate of bugs.webkit.org.
- //
- // public_key_info comes from the certificate of the issuer, Go Daddy Secure
- // Certification Authority.
- //
- // The bytes in the array initializers are formatted to expose the DER
- // encoding of the ASN.1 structures.
-
- // The data that is signed is the following ASN.1 structure:
- // TBSCertificate ::= SEQUENCE {
- // ... -- omitted, not important
- // }
- const uint8 tbs_certificate[1017] = {
- 0x30, 0x82, 0x03, 0xf5, // a SEQUENCE of length 1013 (0x3f5)
- 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x03, 0x43, 0xdd, 0x63, 0x30, 0x0d,
- 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05,
- 0x00, 0x30, 0x81, 0xca, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04,
- 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x10, 0x30, 0x0e, 0x06, 0x03, 0x55,
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- };
-
- // The signature algorithm is specified as the following ASN.1 structure:
- // AlgorithmIdentifier ::= SEQUENCE {
- // algorithm OBJECT IDENTIFIER,
- // parameters ANY DEFINED BY algorithm OPTIONAL }
- //
- const uint8 signature_algorithm[15] = {
- 0x30, 0x0d, // a SEQUENCE of length 13 (0xd)
- 0x06, 0x09, // an OBJECT IDENTIFIER of length 9
- // 1.2.840.113549.1.1.5 - sha1WithRSAEncryption
- 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05,
- 0x05, 0x00, // a NULL of length 0
- };
-
- // RSA signature, a big integer in the big-endian byte order.
- const uint8 signature[256] = {
- 0x1e, 0x6a, 0xe7, 0xe0, 0x4f, 0xe7, 0x4d, 0xd0, 0x69, 0x7c, 0xf8, 0x8f,
- 0x99, 0xb4, 0x18, 0x95, 0x36, 0x24, 0x0f, 0x0e, 0xa3, 0xea, 0x34, 0x37,
- 0xf4, 0x7d, 0xd5, 0x92, 0x35, 0x53, 0x72, 0x76, 0x3f, 0x69, 0xf0, 0x82,
- 0x56, 0xe3, 0x94, 0x7a, 0x1d, 0x1a, 0x81, 0xaf, 0x9f, 0xc7, 0x43, 0x01,
- 0x64, 0xd3, 0x7c, 0x0d, 0xc8, 0x11, 0x4e, 0x4a, 0xe6, 0x1a, 0xc3, 0x01,
- 0x74, 0xe8, 0x35, 0x87, 0x5c, 0x61, 0xaa, 0x8a, 0x46, 0x06, 0xbe, 0x98,
- 0x95, 0x24, 0x9e, 0x01, 0xe3, 0xe6, 0xa0, 0x98, 0xee, 0x36, 0x44, 0x56,
- 0x8d, 0x23, 0x9c, 0x65, 0xea, 0x55, 0x6a, 0xdf, 0x66, 0xee, 0x45, 0xe8,
- 0xa0, 0xe9, 0x7d, 0x9a, 0xba, 0x94, 0xc5, 0xc8, 0xc4, 0x4b, 0x98, 0xff,
- 0x9a, 0x01, 0x31, 0x6d, 0xf9, 0x2b, 0x58, 0xe7, 0xe7, 0x2a, 0xc5, 0x4d,
- 0xbb, 0xbb, 0xcd, 0x0d, 0x70, 0xe1, 0xad, 0x03, 0xf5, 0xfe, 0xf4, 0x84,
- 0x71, 0x08, 0xd2, 0xbc, 0x04, 0x7b, 0x26, 0x1c, 0xa8, 0x0f, 0x9c, 0xd8,
- 0x12, 0x6a, 0x6f, 0x2b, 0x67, 0xa1, 0x03, 0x80, 0x9a, 0x11, 0x0b, 0xe9,
- 0xe0, 0xb5, 0xb3, 0xb8, 0x19, 0x4e, 0x0c, 0xa4, 0xd9, 0x2b, 0x3b, 0xc2,
- 0xca, 0x20, 0xd3, 0x0c, 0xa4, 0xff, 0x93, 0x13, 0x1f, 0xfc, 0xba, 0x94,
- 0x93, 0x8c, 0x64, 0x15, 0x2e, 0x28, 0xa9, 0x55, 0x8c, 0x2c, 0x48, 0xd3,
- 0xd3, 0xc1, 0x50, 0x69, 0x19, 0xe8, 0x34, 0xd3, 0xf1, 0x04, 0x9f, 0x0a,
- 0x7a, 0x21, 0x87, 0xbf, 0xb9, 0x59, 0x37, 0x2e, 0xf4, 0x71, 0xa5, 0x3e,
- 0xbe, 0xcd, 0x70, 0x83, 0x18, 0xf8, 0x8a, 0x72, 0x85, 0x45, 0x1f, 0x08,
- 0x01, 0x6f, 0x37, 0xf5, 0x2b, 0x7b, 0xea, 0xb9, 0x8b, 0xa3, 0xcc, 0xfd,
- 0x35, 0x52, 0xdd, 0x66, 0xde, 0x4f, 0x30, 0xc5, 0x73, 0x81, 0xb6, 0xe8,
- 0x3c, 0xd8, 0x48, 0x8a
- };
-
- // The public key is specified as the following ASN.1 structure:
- // SubjectPublicKeyInfo ::= SEQUENCE {
- // algorithm AlgorithmIdentifier,
- // subjectPublicKey BIT STRING }
- const uint8 public_key_info[294] = {
- 0x30, 0x82, 0x01, 0x22, // a SEQUENCE of length 290 (0x122)
- // algorithm
- 0x30, 0x0d, // a SEQUENCE of length 13
- 0x06, 0x09, // an OBJECT IDENTIFIER of length 9
- 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01,
- 0x05, 0x00, // a NULL of length 0
- // subjectPublicKey
- 0x03, 0x82, 0x01, 0x0f, // a BIT STRING of length 271 (0x10f)
- 0x00, // number of unused bits
- 0x30, 0x82, 0x01, 0x0a, // a SEQUENCE of length 266 (0x10a)
- // modulus
- 0x02, 0x82, 0x01, 0x01, // an INTEGER of length 257 (0x101)
- 0x00, 0xc4, 0x2d, 0xd5, 0x15, 0x8c, 0x9c, 0x26, 0x4c, 0xec,
- 0x32, 0x35, 0xeb, 0x5f, 0xb8, 0x59, 0x01, 0x5a, 0xa6, 0x61,
- 0x81, 0x59, 0x3b, 0x70, 0x63, 0xab, 0xe3, 0xdc, 0x3d, 0xc7,
- 0x2a, 0xb8, 0xc9, 0x33, 0xd3, 0x79, 0xe4, 0x3a, 0xed, 0x3c,
- 0x30, 0x23, 0x84, 0x8e, 0xb3, 0x30, 0x14, 0xb6, 0xb2, 0x87,
- 0xc3, 0x3d, 0x95, 0x54, 0x04, 0x9e, 0xdf, 0x99, 0xdd, 0x0b,
- 0x25, 0x1e, 0x21, 0xde, 0x65, 0x29, 0x7e, 0x35, 0xa8, 0xa9,
- 0x54, 0xeb, 0xf6, 0xf7, 0x32, 0x39, 0xd4, 0x26, 0x55, 0x95,
- 0xad, 0xef, 0xfb, 0xfe, 0x58, 0x86, 0xd7, 0x9e, 0xf4, 0x00,
- 0x8d, 0x8c, 0x2a, 0x0c, 0xbd, 0x42, 0x04, 0xce, 0xa7, 0x3f,
- 0x04, 0xf6, 0xee, 0x80, 0xf2, 0xaa, 0xef, 0x52, 0xa1, 0x69,
- 0x66, 0xda, 0xbe, 0x1a, 0xad, 0x5d, 0xda, 0x2c, 0x66, 0xea,
- 0x1a, 0x6b, 0xbb, 0xe5, 0x1a, 0x51, 0x4a, 0x00, 0x2f, 0x48,
- 0xc7, 0x98, 0x75, 0xd8, 0xb9, 0x29, 0xc8, 0xee, 0xf8, 0x66,
- 0x6d, 0x0a, 0x9c, 0xb3, 0xf3, 0xfc, 0x78, 0x7c, 0xa2, 0xf8,
- 0xa3, 0xf2, 0xb5, 0xc3, 0xf3, 0xb9, 0x7a, 0x91, 0xc1, 0xa7,
- 0xe6, 0x25, 0x2e, 0x9c, 0xa8, 0xed, 0x12, 0x65, 0x6e, 0x6a,
- 0xf6, 0x12, 0x44, 0x53, 0x70, 0x30, 0x95, 0xc3, 0x9c, 0x2b,
- 0x58, 0x2b, 0x3d, 0x08, 0x74, 0x4a, 0xf2, 0xbe, 0x51, 0xb0,
- 0xbf, 0x87, 0xd0, 0x4c, 0x27, 0x58, 0x6b, 0xb5, 0x35, 0xc5,
- 0x9d, 0xaf, 0x17, 0x31, 0xf8, 0x0b, 0x8f, 0xee, 0xad, 0x81,
- 0x36, 0x05, 0x89, 0x08, 0x98, 0xcf, 0x3a, 0xaf, 0x25, 0x87,
- 0xc0, 0x49, 0xea, 0xa7, 0xfd, 0x67, 0xf7, 0x45, 0x8e, 0x97,
- 0xcc, 0x14, 0x39, 0xe2, 0x36, 0x85, 0xb5, 0x7e, 0x1a, 0x37,
- 0xfd, 0x16, 0xf6, 0x71, 0x11, 0x9a, 0x74, 0x30, 0x16, 0xfe,
- 0x13, 0x94, 0xa3, 0x3f, 0x84, 0x0d, 0x4f,
- // public exponent
- 0x02, 0x03, // an INTEGER of length 3
- 0x01, 0x00, 0x01
- };
-
- // We use the signature verifier to perform four signature verification
- // tests.
- base::SignatureVerifier verifier;
- bool ok;
-
- // Test 1: feed all of the data to the verifier at once (a single
- // VerifyUpdate call).
- ok = verifier.VerifyInit(signature_algorithm,
- sizeof(signature_algorithm),
- signature, sizeof(signature),
- public_key_info, sizeof(public_key_info));
- EXPECT_TRUE(ok);
- verifier.VerifyUpdate(tbs_certificate, sizeof(tbs_certificate));
- ok = verifier.VerifyFinal();
- EXPECT_TRUE(ok);
-
- // Test 2: feed the data to the verifier in three parts (three VerifyUpdate
- // calls).
- ok = verifier.VerifyInit(signature_algorithm,
- sizeof(signature_algorithm),
- signature, sizeof(signature),
- public_key_info, sizeof(public_key_info));
- EXPECT_TRUE(ok);
- verifier.VerifyUpdate(tbs_certificate, 256);
- verifier.VerifyUpdate(tbs_certificate + 256, 256);
- verifier.VerifyUpdate(tbs_certificate + 512, sizeof(tbs_certificate) - 512);
- ok = verifier.VerifyFinal();
- EXPECT_TRUE(ok);
-
- // Test 3: verify the signature with incorrect data.
- uint8 bad_tbs_certificate[sizeof(tbs_certificate)];
- memcpy(bad_tbs_certificate, tbs_certificate, sizeof(tbs_certificate));
- bad_tbs_certificate[10] += 1; // Corrupt one byte of the data.
- ok = verifier.VerifyInit(signature_algorithm,
- sizeof(signature_algorithm),
- signature, sizeof(signature),
- public_key_info, sizeof(public_key_info));
- EXPECT_TRUE(ok);
- verifier.VerifyUpdate(bad_tbs_certificate, sizeof(bad_tbs_certificate));
- ok = verifier.VerifyFinal();
-
- // Purify disables digital signature verification, causing the Windows
- // CryptoAPI function CryptVerifySignature to always succeed. So we can't
- // check the signature verification results of the negative tests when
- // running inside Purify. See http://crbug.com/10031.
-#ifndef PURIFY
- EXPECT_FALSE(ok);
-#endif
-
- // Test 4: verify a bad signature.
- uint8 bad_signature[sizeof(signature)];
- memcpy(bad_signature, signature, sizeof(signature));
- bad_signature[10] += 1; // Corrupt one byte of the signature.
- ok = verifier.VerifyInit(signature_algorithm,
- sizeof(signature_algorithm),
- bad_signature, sizeof(bad_signature),
- public_key_info, sizeof(public_key_info));
-
- // A crypto library (e.g., NSS) may detect that the signature is corrupted
- // and cause VerifyInit to return false, so it is fine for 'ok' to be false.
- if (ok) {
- verifier.VerifyUpdate(tbs_certificate, sizeof(tbs_certificate));
- ok = verifier.VerifyFinal();
-#ifndef PURIFY
- EXPECT_FALSE(ok);
-#endif
- }
-}
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