| // Copyright (c) 2011 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 "crypto/signature_verifier.h" |
| |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/numerics/safe_conversions.h" |
| #include "starboard/memory.h" |
| #include "starboard/types.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, 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_t 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, |
| 0x04, 0x08, 0x13, 0x07, 0x41, 0x72, 0x69, 0x7a, 0x6f, 0x6e, 0x61, 0x31, |
| 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x07, 0x13, 0x0a, 0x53, 0x63, |
| 0x6f, 0x74, 0x74, 0x73, 0x64, 0x61, 0x6c, 0x65, 0x31, 0x1a, 0x30, 0x18, |
| 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x11, 0x47, 0x6f, 0x44, 0x61, 0x64, |
| 0x64, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e, |
| 0x31, 0x33, 0x30, 0x31, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x13, 0x2a, 0x68, |
| 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, |
| 0x69, 0x63, 0x61, 0x74, 0x65, 0x73, 0x2e, 0x67, 0x6f, 0x64, 0x61, 0x64, |
| 0x64, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x72, 0x65, 0x70, 0x6f, 0x73, |
| 0x69, 0x74, 0x6f, 0x72, 0x79, 0x31, 0x30, 0x30, 0x2e, 0x06, 0x03, 0x55, |
| 0x04, 0x03, 0x13, 0x27, 0x47, 0x6f, 0x20, 0x44, 0x61, 0x64, 0x64, 0x79, |
| 0x20, 0x53, 0x65, 0x63, 0x75, 0x72, 0x65, 0x20, 0x43, 0x65, 0x72, 0x74, |
| 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x41, 0x75, |
| 0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x31, 0x11, 0x30, 0x0f, 0x06, |
| 0x03, 0x55, 0x04, 0x05, 0x13, 0x08, 0x30, 0x37, 0x39, 0x36, 0x39, 0x32, |
| 0x38, 0x37, 0x30, 0x1e, 0x17, 0x0d, 0x30, 0x38, 0x30, 0x33, 0x31, 0x38, |
| 0x32, 0x33, 0x33, 0x35, 0x31, 0x39, 0x5a, 0x17, 0x0d, 0x31, 0x31, 0x30, |
| 0x33, 0x31, 0x38, 0x32, 0x33, 0x33, 0x35, 0x31, 0x39, 0x5a, 0x30, 0x79, |
| 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, |
| 0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x13, 0x0a, |
| 0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61, 0x31, 0x12, |
| 0x30, 0x10, 0x06, 0x03, 0x55, 0x04, 0x07, 0x13, 0x09, 0x43, 0x75, 0x70, |
| 0x65, 0x72, 0x74, 0x69, 0x6e, 0x6f, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, |
| 0x55, 0x04, 0x0a, 0x13, 0x0a, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x20, 0x49, |
| 0x6e, 0x63, 0x2e, 0x31, 0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x0b, |
| 0x13, 0x0c, 0x4d, 0x61, 0x63, 0x20, 0x4f, 0x53, 0x20, 0x46, 0x6f, 0x72, |
| 0x67, 0x65, 0x31, 0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, |
| 0x0c, 0x2a, 0x2e, 0x77, 0x65, 0x62, 0x6b, 0x69, 0x74, 0x2e, 0x6f, 0x72, |
| 0x67, 0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, |
| 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x81, 0x8d, 0x00, 0x30, |
| 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xa7, 0x62, 0x79, 0x41, 0xda, 0x28, |
| 0xf2, 0xc0, 0x4f, 0xe0, 0x25, 0xaa, 0xa1, 0x2e, 0x3b, 0x30, 0x94, 0xb5, |
| 0xc9, 0x26, 0x3a, 0x1b, 0xe2, 0xd0, 0xcc, 0xa2, 0x95, 0xe2, 0x91, 0xc0, |
| 0xf0, 0x40, 0x9e, 0x27, 0x6e, 0xbd, 0x6e, 0xde, 0x7c, 0xb6, 0x30, 0x5c, |
| 0xb8, 0x9b, 0x01, 0x2f, 0x92, 0x04, 0xa1, 0xef, 0x4a, 0xb1, 0x6c, 0xb1, |
| 0x7e, 0x8e, 0xcd, 0xa6, 0xf4, 0x40, 0x73, 0x1f, 0x2c, 0x96, 0xad, 0xff, |
| 0x2a, 0x6d, 0x0e, 0xba, 0x52, 0x84, 0x83, 0xb0, 0x39, 0xee, 0xc9, 0x39, |
| 0xdc, 0x1e, 0x34, 0xd0, 0xd8, 0x5d, 0x7a, 0x09, 0xac, 0xa9, 0xee, 0xca, |
| 0x65, 0xf6, 0x85, 0x3a, 0x6b, 0xee, 0xe4, 0x5c, 0x5e, 0xf8, 0xda, 0xd1, |
| 0xce, 0x88, 0x47, 0xcd, 0x06, 0x21, 0xe0, 0xb9, 0x4b, 0xe4, 0x07, 0xcb, |
| 0x57, 0xdc, 0xca, 0x99, 0x54, 0xf7, 0x0e, 0xd5, 0x17, 0x95, 0x05, 0x2e, |
| 0xe9, 0xb1, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x82, 0x01, 0xce, 0x30, |
| 0x82, 0x01, 0xca, 0x30, 0x09, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x04, 0x02, |
| 0x30, 0x00, 0x30, 0x0b, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x04, 0x04, 0x03, |
| 0x02, 0x05, 0xa0, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x25, 0x04, 0x16, |
| 0x30, 0x14, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x01, |
| 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x02, 0x30, 0x57, |
| 0x06, 0x03, 0x55, 0x1d, 0x1f, 0x04, 0x50, 0x30, 0x4e, 0x30, 0x4c, 0xa0, |
| 0x4a, 0xa0, 0x48, 0x86, 0x46, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, |
| 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x73, |
| 0x2e, 0x67, 0x6f, 0x64, 0x61, 0x64, 0x64, 0x79, 0x2e, 0x63, 0x6f, 0x6d, |
| 0x2f, 0x72, 0x65, 0x70, 0x6f, 0x73, 0x69, 0x74, 0x6f, 0x72, 0x79, 0x2f, |
| 0x67, 0x6f, 0x64, 0x61, 0x64, 0x64, 0x79, 0x65, 0x78, 0x74, 0x65, 0x6e, |
| 0x64, 0x65, 0x64, 0x69, 0x73, 0x73, 0x75, 0x69, 0x6e, 0x67, 0x33, 0x2e, |
| 0x63, 0x72, 0x6c, 0x30, 0x52, 0x06, 0x03, 0x55, 0x1d, 0x20, 0x04, 0x4b, |
| 0x30, 0x49, 0x30, 0x47, 0x06, 0x0b, 0x60, 0x86, 0x48, 0x01, 0x86, 0xfd, |
| 0x6d, 0x01, 0x07, 0x17, 0x02, 0x30, 0x38, 0x30, 0x36, 0x06, 0x08, 0x2b, |
| 0x06, 0x01, 0x05, 0x05, 0x07, 0x02, 0x01, 0x16, 0x2a, 0x68, 0x74, 0x74, |
| 0x70, 0x3a, 0x2f, 0x2f, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, |
| 0x61, 0x74, 0x65, 0x73, 0x2e, 0x67, 0x6f, 0x64, 0x61, 0x64, 0x64, 0x79, |
| 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x72, 0x65, 0x70, 0x6f, 0x73, 0x69, 0x74, |
| 0x6f, 0x72, 0x79, 0x30, 0x7f, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, |
| 0x07, 0x01, 0x01, 0x04, 0x73, 0x30, 0x71, 0x30, 0x23, 0x06, 0x08, 0x2b, |
| 0x06, 0x01, 0x05, 0x05, 0x07, 0x30, 0x01, 0x86, 0x17, 0x68, 0x74, 0x74, |
| 0x70, 0x3a, 0x2f, 0x2f, 0x6f, 0x63, 0x73, 0x70, 0x2e, 0x67, 0x6f, 0x64, |
| 0x61, 0x64, 0x64, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x4a, 0x06, 0x08, |
| 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x30, 0x02, 0x86, 0x3e, 0x68, 0x74, |
| 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, |
| 0x63, 0x61, 0x74, 0x65, 0x73, 0x2e, 0x67, 0x6f, 0x64, 0x61, 0x64, 0x64, |
| 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x72, 0x65, 0x70, 0x6f, 0x73, 0x69, |
| 0x74, 0x6f, 0x72, 0x79, 0x2f, 0x67, 0x64, 0x5f, 0x69, 0x6e, 0x74, 0x65, |
| 0x72, 0x6d, 0x65, 0x64, 0x69, 0x61, 0x74, 0x65, 0x2e, 0x63, 0x72, 0x74, |
| 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x48, |
| 0xdf, 0x60, 0x32, 0xcc, 0x89, 0x01, 0xb6, 0xdc, 0x2f, 0xe3, 0x73, 0xb5, |
| 0x9c, 0x16, 0x58, 0x32, 0x68, 0xa9, 0xc3, 0x30, 0x1f, 0x06, 0x03, 0x55, |
| 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0xfd, 0xac, 0x61, 0x32, |
| 0x93, 0x6c, 0x45, 0xd6, 0xe2, 0xee, 0x85, 0x5f, 0x9a, 0xba, 0xe7, 0x76, |
| 0x99, 0x68, 0xcc, 0xe7, 0x30, 0x23, 0x06, 0x03, 0x55, 0x1d, 0x11, 0x04, |
| 0x1c, 0x30, 0x1a, 0x82, 0x0c, 0x2a, 0x2e, 0x77, 0x65, 0x62, 0x6b, 0x69, |
| 0x74, 0x2e, 0x6f, 0x72, 0x67, 0x82, 0x0a, 0x77, 0x65, 0x62, 0x6b, 0x69, |
| 0x74, 0x2e, 0x6f, 0x72, 0x67}; |
| |
| // RSA signature, a big integer in the big-endian byte order. |
| const uint8_t 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_t 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. |
| crypto::SignatureVerifier verifier; |
| |
| // Test 1: feed all of the data to the verifier at once (a single |
| // VerifyUpdate call). |
| EXPECT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1, |
| signature, public_key_info)); |
| verifier.VerifyUpdate(tbs_certificate); |
| EXPECT_TRUE(verifier.VerifyFinal()); |
| |
| // Test 2: feed the data to the verifier in three parts (three VerifyUpdate |
| // calls). |
| EXPECT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1, |
| signature, public_key_info)); |
| verifier.VerifyUpdate(base::make_span(tbs_certificate, 256)); |
| verifier.VerifyUpdate(base::make_span(tbs_certificate + 256, 256)); |
| verifier.VerifyUpdate( |
| base::make_span(tbs_certificate + 512, sizeof(tbs_certificate) - 512)); |
| EXPECT_TRUE(verifier.VerifyFinal()); |
| |
| // Test 3: verify the signature with incorrect data. |
| uint8_t 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. |
| EXPECT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1, |
| signature, public_key_info)); |
| verifier.VerifyUpdate(bad_tbs_certificate); |
| EXPECT_FALSE(verifier.VerifyFinal()); |
| |
| // Test 4: verify a bad signature. |
| uint8_t bad_signature[sizeof(signature)]; |
| memcpy(bad_signature, signature, sizeof(signature)); |
| bad_signature[10] += 1; // Corrupt one byte of the signature. |
| EXPECT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1, |
| bad_signature, public_key_info)); |
| verifier.VerifyUpdate(tbs_certificate); |
| EXPECT_FALSE(verifier.VerifyFinal()); |
| |
| // Test 5: import an invalid key. |
| uint8_t bad_public_key_info[sizeof(public_key_info)]; |
| memcpy(bad_public_key_info, public_key_info, sizeof(public_key_info)); |
| bad_public_key_info[0] += 1; // Corrupt part of the SPKI syntax. |
| EXPECT_FALSE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1, |
| signature, bad_public_key_info)); |
| |
| // Test 6: import a key with extra data. |
| uint8_t long_public_key_info[sizeof(public_key_info) + 5]; |
| memset(long_public_key_info, 0, sizeof(long_public_key_info)); |
| memcpy(long_public_key_info, public_key_info, sizeof(public_key_info)); |
| EXPECT_FALSE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1, |
| signature, long_public_key_info)); |
| } |
| |
| // The following RSA-PSS tests were generated via the following OpenSSL |
| // commands: |
| // |
| // clang-format off |
| // openssl genrsa -f4 -out key.pem 2048 |
| // openssl rsa -in key.pem -pubout -outform der | xxd -i > spki.txt |
| // openssl rand -out message 50 |
| // xxd -i message > message.txt |
| // openssl dgst -sign key.pem -sha256 -sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:32 < message | xxd -i > sig-good.txt |
| // openssl dgst -sign key.pem -sha256 -sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:33 < message | xxd -i > sig-bad-saltlen.txt |
| // clang-format on |
| |
| namespace { |
| |
| // This is the public key corresponding to the following private key. |
| // |
| // -----BEGIN RSA PRIVATE KEY----- |
| // MIIEowIBAAKCAQEArg5NXFRQQ5QU7dcqqIjZwL4qy4AaJNSPfSPvXmFbK0hDXdp6 |
| // PdOZ2Wd+lQLZwb7ZQ2ZdqHVK3kZ2sVUlFmngIoEXNhVg+gW2zGPZ1YemwBMdZ/NW |
| // V2xTX7Y3RrdR/kSccd9ByRTHKb+BCJ2XN5pHu91+LFchahW0lVPHz9DkBPUCThM2 |
| // I4ZosM3+AcO93RrrcbiQdpuY60Lfg9ZX7+1clM7zhiuOjWNY+FLN4+j4Ec8isiis |
| // /V1LQyxRZ2t29kto47UJKu0Li7gUvEE1PS/nXBVgEqcSEBBKXa4ahsTqKWJAwvEH |
| // xaH1t2qhVO1IHcf9FSv5k1T47H7XMLpO2OCPrwIDAQABAoIBAQCXA4exTOHa0Dcc |
| // aGv1j87GAPimWX3VaKsaGzyKuZNdSTRR0MXwsI+yZa4Y4UFHbSuZ483s499SXPaM |
| // Q2CLQs8ZgME/xmq+YojIavXL4wcVbUA9OY43CaCI0VLCQzmbj7HgxqCQMzvdh+8P |
| // J5PUxUHpyHG5TNuL7EsiqG8bapT7ip2+IpKrKjr18gn3k0k9mLNJxK9Qr+CJphwo |
| // eJgq0Kcjx3bfgDEpPzyvdd+J3e+jclOTYbk2HwJ0FVCrfgJedHFIWUytZoM5783g |
| // knXzgDyKs65aUDjc/opidXp3WOqfNJUPSiofPYPdYQ26UI0vztL5MBkWCpl+d/55 |
| // BqxCdDlhAoGBANm90DFUca+7LdnDgj8mWtUIzr+XVzSD9tzOIpcjiPwEnxk8RHrM |
| // aMHCAKZpbsnX/ikdc2I1OsirPgNFh1q30xgL7oCadzxlwfXnEM0Nff8RJKtN+yI6 |
| // +nRoOCDGCHBsaa2wyMYRbnanyRDLPIOP4eGQ6Hz/LQJBvhjRyTXlrUU/AoGBAMyj |
| // ec1ySnlJ2S0JqPBCk14dRsEs/zStgFz1Wdmk7TMRBPUMyhWf8JwNrU5Ppm9biJMo |
| // MKwkiFjzv/us4ne3wFRsTiKj4uiIwfji7/N2VpbEXSDGtonrX7hES4wQ/s+qr8XJ |
| // 8ykHrZ9rPOY2lBhxOo+VYE3U6aspAY/qwK8WyumRAoGAMdl+/Iw0quLTkHNuMj75 |
| // tKQbkUl4sZE0x0B6Mtfz2J7GPeTKWMLLiPB9bZvdvWAx0//mFqnRF3f87orQfjhv |
| // n6W7qL20ZqN1UHLiKc/Y9LhcCMwFnsSZ6mSh1P8Bl5t6ZkV+8bmz7H5lTe75n7Ul |
| // JZsjXtqc11NtzgjZY/l9PckCgYAH6ZI+FVs30VkqWqNDlu9nxi4ELh84BDVgYsQ0 |
| // nCHnxZKxfusZZvPAtO6shnvi9mETf4xSO59iARq9OnQPOPWgzgc/Y6LUZuVJIE0y |
| // 1rKGZdVL/SL1tjofP9TD96xCj1D4jtRuE7Ps5BKYvCeBwm8HOjldCQx357/9to/4 |
| // tSLnYQKBgG7STr94Slb3/BzzMxdMLCum1PH73/+IFxu1J0cXxYLP2zEhcSgqGIwm |
| // aMgdu1L9eE6lJM99AWTEkpcUz8UFwNt+hZW+lZZpex77RMgRl9VCiwid1BNBSU/o |
| // +lT1mlpDrPCNOge9n6Qvy5waBugB8uNS86w0UImYiKZr+8IQ4EdE |
| // -----END RSA PRIVATE KEY----- |
| const uint8_t kPSSPublicKey[] = { |
| 0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, |
| 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, |
| 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xae, 0x0e, 0x4d, |
| 0x5c, 0x54, 0x50, 0x43, 0x94, 0x14, 0xed, 0xd7, 0x2a, 0xa8, 0x88, 0xd9, |
| 0xc0, 0xbe, 0x2a, 0xcb, 0x80, 0x1a, 0x24, 0xd4, 0x8f, 0x7d, 0x23, 0xef, |
| 0x5e, 0x61, 0x5b, 0x2b, 0x48, 0x43, 0x5d, 0xda, 0x7a, 0x3d, 0xd3, 0x99, |
| 0xd9, 0x67, 0x7e, 0x95, 0x02, 0xd9, 0xc1, 0xbe, 0xd9, 0x43, 0x66, 0x5d, |
| 0xa8, 0x75, 0x4a, 0xde, 0x46, 0x76, 0xb1, 0x55, 0x25, 0x16, 0x69, 0xe0, |
| 0x22, 0x81, 0x17, 0x36, 0x15, 0x60, 0xfa, 0x05, 0xb6, 0xcc, 0x63, 0xd9, |
| 0xd5, 0x87, 0xa6, 0xc0, 0x13, 0x1d, 0x67, 0xf3, 0x56, 0x57, 0x6c, 0x53, |
| 0x5f, 0xb6, 0x37, 0x46, 0xb7, 0x51, 0xfe, 0x44, 0x9c, 0x71, 0xdf, 0x41, |
| 0xc9, 0x14, 0xc7, 0x29, 0xbf, 0x81, 0x08, 0x9d, 0x97, 0x37, 0x9a, 0x47, |
| 0xbb, 0xdd, 0x7e, 0x2c, 0x57, 0x21, 0x6a, 0x15, 0xb4, 0x95, 0x53, 0xc7, |
| 0xcf, 0xd0, 0xe4, 0x04, 0xf5, 0x02, 0x4e, 0x13, 0x36, 0x23, 0x86, 0x68, |
| 0xb0, 0xcd, 0xfe, 0x01, 0xc3, 0xbd, 0xdd, 0x1a, 0xeb, 0x71, 0xb8, 0x90, |
| 0x76, 0x9b, 0x98, 0xeb, 0x42, 0xdf, 0x83, 0xd6, 0x57, 0xef, 0xed, 0x5c, |
| 0x94, 0xce, 0xf3, 0x86, 0x2b, 0x8e, 0x8d, 0x63, 0x58, 0xf8, 0x52, 0xcd, |
| 0xe3, 0xe8, 0xf8, 0x11, 0xcf, 0x22, 0xb2, 0x28, 0xac, 0xfd, 0x5d, 0x4b, |
| 0x43, 0x2c, 0x51, 0x67, 0x6b, 0x76, 0xf6, 0x4b, 0x68, 0xe3, 0xb5, 0x09, |
| 0x2a, 0xed, 0x0b, 0x8b, 0xb8, 0x14, 0xbc, 0x41, 0x35, 0x3d, 0x2f, 0xe7, |
| 0x5c, 0x15, 0x60, 0x12, 0xa7, 0x12, 0x10, 0x10, 0x4a, 0x5d, 0xae, 0x1a, |
| 0x86, 0xc4, 0xea, 0x29, 0x62, 0x40, 0xc2, 0xf1, 0x07, 0xc5, 0xa1, 0xf5, |
| 0xb7, 0x6a, 0xa1, 0x54, 0xed, 0x48, 0x1d, 0xc7, 0xfd, 0x15, 0x2b, 0xf9, |
| 0x93, 0x54, 0xf8, 0xec, 0x7e, 0xd7, 0x30, 0xba, 0x4e, 0xd8, 0xe0, 0x8f, |
| 0xaf, 0x02, 0x03, 0x01, 0x00, 0x01, |
| }; |
| |
| const uint8_t kPSSMessage[] = { |
| 0x1e, 0x70, 0xbd, 0xeb, 0x24, 0xf2, 0x9d, 0x05, 0xc5, 0xb5, |
| 0xf4, 0xca, 0xe6, 0x1d, 0x01, 0x97, 0x29, 0xf4, 0xe0, 0x7c, |
| 0xfd, 0xcc, 0x97, 0x8d, 0xc2, 0xbb, 0x2d, 0x9b, 0x6b, 0x45, |
| 0x06, 0xbd, 0x2c, 0x66, 0x10, 0x42, 0x73, 0x8d, 0x88, 0x9b, |
| 0x18, 0xcc, 0xcb, 0x7e, 0x43, 0x23, 0x06, 0xe9, 0x8f, 0x8f, |
| }; |
| |
| const uint8_t kPSSSignatureGood[] = { |
| 0x12, 0xa7, 0x6d, 0x9e, 0x8a, 0xea, 0x28, 0xe0, 0x3f, 0x6f, 0x5a, 0xa4, |
| 0x1b, 0x6a, 0x0a, 0x14, 0xba, 0xfa, 0x84, 0xf6, 0xb7, 0x3c, 0xc9, 0xd6, |
| 0x84, 0xab, 0x1e, 0x77, 0x88, 0x53, 0x95, 0x43, 0x8e, 0x73, 0xe4, 0x21, |
| 0xab, 0x69, 0xb2, 0x0c, 0x73, 0x4d, 0x98, 0x42, 0xbd, 0x65, 0xa2, 0x95, |
| 0x0d, 0x76, 0xb2, 0xbd, 0xe5, 0x9a, 0x6e, 0x9f, 0x72, 0x7f, 0xdd, 0x1e, |
| 0x9f, 0xda, 0xc8, 0x2e, 0xa3, 0xe6, 0x28, 0x03, 0x98, 0x5c, 0x13, 0xa7, |
| 0x7d, 0x4e, 0xde, 0xea, 0x35, 0x1b, 0x35, 0x7e, 0xaa, 0x14, 0xf9, 0xfb, |
| 0xac, 0x61, 0xd0, 0x44, 0x20, 0xd5, 0x52, 0x5b, 0x92, 0x8f, 0xe7, 0x37, |
| 0xa2, 0x72, 0x7d, 0xe6, 0x0d, 0x81, 0x63, 0xcc, 0x0f, 0xbd, 0xde, 0x25, |
| 0xe3, 0x3f, 0x89, 0x1b, 0x39, 0x64, 0xfa, 0x21, 0x1d, 0x0f, 0x9b, 0x8a, |
| 0xc1, 0xad, 0x03, 0x49, 0x96, 0xff, 0x9f, 0x2d, 0x83, 0xee, 0x2d, 0x2a, |
| 0x1e, 0xc5, 0x73, 0x9f, 0x5b, 0xde, 0xcb, 0xaf, 0x02, 0xbd, 0xc5, 0x9b, |
| 0x78, 0xb9, 0x8e, 0x01, 0x75, 0x3c, 0xc9, 0x6e, 0x7d, 0x3e, 0x61, 0x62, |
| 0xc4, 0x8c, 0x9e, 0x76, 0xed, 0x52, 0x5e, 0x80, 0x89, 0xa7, 0x75, 0x5e, |
| 0xc6, 0x34, 0x97, 0x22, 0x40, 0xb5, 0x0c, 0x77, 0x09, 0x8c, 0xa8, 0xe9, |
| 0xf6, 0x8d, 0xc0, 0x10, 0x78, 0x92, 0xa9, 0xc6, 0x68, 0xa3, 0x57, 0x6e, |
| 0x73, 0xb5, 0x73, 0x8d, 0x8e, 0x21, 0xb1, 0xf3, 0xd0, 0x0a, 0x40, 0x68, |
| 0xfc, 0x3c, 0xeb, 0xd3, 0x48, 0x4a, 0x44, 0xbd, 0xc0, 0x40, 0x5d, 0x9b, |
| 0x40, 0x6f, 0x45, 0x98, 0x2b, 0xae, 0x58, 0xe8, 0x9d, 0x34, 0x49, 0xd2, |
| 0xec, 0xdc, 0xd5, 0x98, 0xb4, 0x87, 0x8a, 0xcc, 0x41, 0x3e, 0xd7, 0xe6, |
| 0x21, 0xd6, 0x4c, 0x89, 0xf1, 0xf4, 0x77, 0x40, 0x3f, 0x9a, 0x28, 0x25, |
| 0x55, 0x7c, 0xf5, 0x0c, |
| }; |
| |
| const uint8_t kPSSSignatureBadSaltLength[] = { |
| 0x6e, 0x61, 0xbe, 0x8a, 0x82, 0xbd, 0xed, 0xc6, 0xe4, 0x33, 0x91, 0xa4, |
| 0x43, 0x57, 0x51, 0x7e, 0xa8, 0x18, 0xbf, 0x20, 0x98, 0xbc, 0x04, 0x50, |
| 0x06, 0x1b, 0x0b, 0xb6, 0x43, 0xde, 0x58, 0x7f, 0x6b, 0xa5, 0x5e, 0x9d, |
| 0xd1, 0x75, 0x03, 0xf5, 0x19, 0x8d, 0xdb, 0x2c, 0xd2, 0x9a, 0xf9, 0xbd, |
| 0x82, 0x8d, 0x32, 0x9d, 0x7d, 0x70, 0x6f, 0x81, 0x95, 0x60, 0x1d, 0x62, |
| 0x72, 0xf3, 0x95, 0x5b, 0x7a, 0x66, 0x7f, 0x45, 0x94, 0x0c, 0x07, 0xc8, |
| 0xa7, 0x64, 0x38, 0x57, 0x1a, 0x64, 0x64, 0xf1, 0xe0, 0x45, 0xfe, 0x00, |
| 0x11, 0x90, 0x57, 0x95, 0x15, 0x21, 0x10, 0x85, 0xc0, 0xbe, 0x53, 0x5b, |
| 0x3b, 0xa3, 0x57, 0x99, 0x2b, 0x94, 0x6b, 0xbf, 0xa5, 0x55, 0x7d, 0x5a, |
| 0xcb, 0xa2, 0x73, 0x6b, 0x5f, 0x7b, 0x3f, 0x10, 0x90, 0xd1, 0x26, 0x72, |
| 0x5e, 0xad, 0xd1, 0x34, 0xe8, 0x8a, 0x33, 0xeb, 0xd2, 0xbf, 0x54, 0x92, |
| 0xeb, 0x7c, 0xb9, 0x97, 0x80, 0x5a, 0x46, 0xc4, 0xbd, 0xf5, 0x7e, 0xd6, |
| 0x20, 0x90, 0x92, 0xcb, 0x37, 0x85, 0x9d, 0x81, 0x0a, 0xd0, 0xa5, 0x73, |
| 0x17, 0x7e, 0xe2, 0x91, 0xef, 0x35, 0x55, 0xc9, 0x5e, 0x87, 0x84, 0x11, |
| 0xa4, 0x36, 0xf0, 0x2a, 0xa7, 0x7a, 0x83, 0x1d, 0x7a, 0x90, 0x69, 0x22, |
| 0x5d, 0x3b, 0x30, 0x48, 0x46, 0xd2, 0xd3, 0x49, 0x23, 0x64, 0xa4, 0x6d, |
| 0xd1, 0xef, 0xb9, 0x1b, 0xa4, 0xd1, 0x92, 0xdd, 0x8c, 0xb2, 0xaa, 0x9f, |
| 0x6a, 0x2c, 0xc9, 0xdb, 0xa7, 0x35, 0x66, 0x92, 0x8b, 0x73, 0x11, 0x70, |
| 0x2b, 0xf4, 0x34, 0x3f, 0x9e, 0x15, 0x3e, 0xc0, 0xac, 0x78, 0x6f, 0x74, |
| 0x8a, 0x6b, 0xe4, 0xf2, 0x7b, 0x10, 0xca, 0x01, 0x3a, 0x3a, 0x88, 0x39, |
| 0x34, 0xa8, 0x52, 0x4a, 0x76, 0x50, 0xef, 0xdb, 0x91, 0x3c, 0x4a, 0x5c, |
| 0xe5, 0x43, 0x6f, 0x8e, |
| }; |
| |
| } // namespace |
| |
| TEST(SignatureVerifierTest, VerifyRSAPSS) { |
| // Verify the test vector. |
| crypto::SignatureVerifier verifier; |
| ASSERT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PSS_SHA256, |
| kPSSSignatureGood, kPSSPublicKey)); |
| verifier.VerifyUpdate(kPSSMessage); |
| EXPECT_TRUE(verifier.VerifyFinal()); |
| |
| // Verify the test vector byte-by-byte. |
| ASSERT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PSS_SHA256, |
| kPSSSignatureGood, kPSSPublicKey)); |
| for (uint8_t b : kPSSMessage) { |
| verifier.VerifyUpdate(base::make_span(&b, 1)); |
| } |
| EXPECT_TRUE(verifier.VerifyFinal()); |
| |
| // The bad salt length does not verify. |
| ASSERT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PSS_SHA256, |
| kPSSSignatureBadSaltLength, kPSSPublicKey)); |
| verifier.VerifyUpdate(kPSSMessage); |
| EXPECT_FALSE(verifier.VerifyFinal()); |
| |
| // Corrupt the message. |
| std::vector<uint8_t> message(std::begin(kPSSMessage), std::end(kPSSMessage)); |
| message[0] ^= 1; |
| ASSERT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PSS_SHA256, |
| kPSSSignatureGood, kPSSPublicKey)); |
| verifier.VerifyUpdate(message); |
| EXPECT_FALSE(verifier.VerifyFinal()); |
| |
| // Corrupt the signature. |
| std::vector<uint8_t> signature(std::begin(kPSSSignatureGood), |
| std::end(kPSSSignatureGood)); |
| signature[0] ^= 1; |
| ASSERT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PSS_SHA256, |
| signature, kPSSPublicKey)); |
| verifier.VerifyUpdate(kPSSMessage); |
| EXPECT_FALSE(verifier.VerifyFinal()); |
| } |
