| // SPDX-License-Identifier: BSD-2-Clause |
| /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
| * |
| * LibTomCrypt is a library that provides various cryptographic |
| * algorithms in a highly modular and flexible manner. |
| * |
| * The library is free for all purposes without any express |
| * guarantee it works. |
| */ |
| #include "tomcrypt_private.h" |
| |
| /** |
| @file hkdf_test.c |
| LTC_HKDF support, self-test, Steffen Jaeckel |
| */ |
| |
| #ifdef LTC_HKDF |
| |
| /* |
| TEST CASES SOURCE: |
| |
| Internet Engineering Task Force (IETF) H. Krawczyk |
| Request for Comments: 5869 IBM Research |
| Category: Informational P. Eronen |
| ISSN: 2070-1721 Nokia |
| May 2010 |
| Appendix A. Test Vectors |
| */ |
| |
| /** |
| LTC_HKDF self-test |
| @return CRYPT_OK if successful, CRYPT_NOP if tests have been disabled. |
| */ |
| int hkdf_test(void) |
| { |
| #ifndef LTC_TEST |
| return CRYPT_NOP; |
| #else |
| unsigned char OKM[82]; |
| int i; |
| |
| static const struct hkdf_test_case { |
| int num; |
| const char* Hash; |
| unsigned char IKM[80]; |
| unsigned long IKM_l; |
| unsigned char salt[80]; |
| unsigned long salt_l; |
| unsigned char info[80]; |
| unsigned long info_l; |
| unsigned char PRK[32]; |
| unsigned long PRK_l; |
| unsigned char OKM[82]; |
| unsigned long OKM_l; |
| } cases[] = { |
| #ifdef LTC_SHA256 |
| /* |
| Basic test case with SHA-256 |
| |
| Hash = SHA-256 |
| IKM = 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b (22 octets) |
| salt = 0x000102030405060708090a0b0c (13 octets) |
| info = 0xf0f1f2f3f4f5f6f7f8f9 (10 octets) |
| L = 42 |
| |
| PRK = 0x077709362c2e32df0ddc3f0dc47bba63 |
| 90b6c73bb50f9c3122ec844ad7c2b3e5 (32 octets) |
| OKM = 0x3cb25f25faacd57a90434f64d0362f2a |
| 2d2d0a90cf1a5a4c5db02d56ecc4c5bf |
| 34007208d5b887185865 (42 octets) |
| */ |
| {1, "sha256", |
| {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, |
| 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, |
| 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b}, 22, |
| {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c}, 13, |
| {0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, |
| 0xf8, 0xf9}, 10, |
| {0x07, 0x77, 0x09, 0x36, 0x2c, 0x2e, 0x32, 0xdf, |
| 0x0d, 0xdc, 0x3f, 0x0d, 0xc4, 0x7b, 0xba, 0x63, |
| 0x90, 0xb6, 0xc7, 0x3b, 0xb5, 0x0f, 0x9c, 0x31, |
| 0x22, 0xec, 0x84, 0x4a, 0xd7, 0xc2, 0xb3, 0xe5}, 32, |
| {0x3c, 0xb2, 0x5f, 0x25, 0xfa, 0xac, 0xd5, 0x7a, |
| 0x90, 0x43, 0x4f, 0x64, 0xd0, 0x36, 0x2f, 0x2a, |
| 0x2d, 0x2d, 0x0a, 0x90, 0xcf, 0x1a, 0x5a, 0x4c, |
| 0x5d, 0xb0, 0x2d, 0x56, 0xec, 0xc4, 0xc5, 0xbf, |
| 0x34, 0x00, 0x72, 0x08, 0xd5, 0xb8, 0x87, 0x18, |
| 0x58, 0x65}, 42}, |
| #ifdef LTC_TEST_EXT |
| /* Test with SHA-256 and longer inputs/outputs */ |
| {2, "sha256", |
| {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, |
| 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, |
| 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, |
| 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
| 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
| 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, |
| 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f}, 80, |
| {0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
| 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, |
| 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, |
| 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, |
| 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, |
| 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, |
| 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, |
| 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, |
| 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
| 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf}, 80, |
| {0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, |
| 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, |
| 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, |
| 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, |
| 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, |
| 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, |
| 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, |
| 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, |
| 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, |
| 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff}, 80, |
| {0x06, 0xa6, 0xb8, 0x8c, 0x58, 0x53, 0x36, 0x1a, |
| 0x06, 0x10, 0x4c, 0x9c, 0xeb, 0x35, 0xb4, 0x5c, |
| 0xef, 0x76, 0x00, 0x14, 0x90, 0x46, 0x71, 0x01, |
| 0x4a, 0x19, 0x3f, 0x40, 0xc1, 0x5f, 0xc2, 0x44}, 32, |
| {0xb1, 0x1e, 0x39, 0x8d, 0xc8, 0x03, 0x27, 0xa1, |
| 0xc8, 0xe7, 0xf7, 0x8c, 0x59, 0x6a, 0x49, 0x34, |
| 0x4f, 0x01, 0x2e, 0xda, 0x2d, 0x4e, 0xfa, 0xd8, |
| 0xa0, 0x50, 0xcc, 0x4c, 0x19, 0xaf, 0xa9, 0x7c, |
| 0x59, 0x04, 0x5a, 0x99, 0xca, 0xc7, 0x82, 0x72, |
| 0x71, 0xcb, 0x41, 0xc6, 0x5e, 0x59, 0x0e, 0x09, |
| 0xda, 0x32, 0x75, 0x60, 0x0c, 0x2f, 0x09, 0xb8, |
| 0x36, 0x77, 0x93, 0xa9, 0xac, 0xa3, 0xdb, 0x71, |
| 0xcc, 0x30, 0xc5, 0x81, 0x79, 0xec, 0x3e, 0x87, |
| 0xc1, 0x4c, 0x01, 0xd5, 0xc1, 0xf3, 0x43, 0x4f, |
| 0x1d, 0x87}, 82}, |
| /* Test with SHA-256 and zero length salt/info */ |
| {3, "sha256", |
| {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, |
| 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, |
| 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b}, 22, |
| {0}, 0, |
| {0}, 0, |
| {0x19, 0xef, 0x24, 0xa3, 0x2c, 0x71, 0x7b, 0x16, |
| 0x7f, 0x33, 0xa9, 0x1d, 0x6f, 0x64, 0x8b, 0xdf, |
| 0x96, 0x59, 0x67, 0x76, 0xaf, 0xdb, 0x63, 0x77, |
| 0xac, 0x43, 0x4c, 0x1c, 0x29, 0x3c, 0xcb, 0x04}, 32, |
| {0x8d, 0xa4, 0xe7, 0x75, 0xa5, 0x63, 0xc1, 0x8f, |
| 0x71, 0x5f, 0x80, 0x2a, 0x06, 0x3c, 0x5a, 0x31, |
| 0xb8, 0xa1, 0x1f, 0x5c, 0x5e, 0xe1, 0x87, 0x9e, |
| 0xc3, 0x45, 0x4e, 0x5f, 0x3c, 0x73, 0x8d, 0x2d, |
| 0x9d, 0x20, 0x13, 0x95, 0xfa, 0xa4, 0xb6, 0x1a, |
| 0x96, 0xc8}, 42}, |
| #endif /* LTC_TEST_EXT */ |
| #endif /* LTC_SHA256 */ |
| #ifdef LTC_SHA1 |
| /* Basic test case with SHA-1 */ |
| {4, "sha1", |
| {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, |
| 0x0b, 0x0b, 0x0b}, 11, |
| {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c}, 13, |
| {0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, |
| 0xf8, 0xf9}, 10, |
| {0x9b, 0x6c, 0x18, 0xc4, 0x32, 0xa7, 0xbf, 0x8f, |
| 0x0e, 0x71, 0xc8, 0xeb, 0x88, 0xf4, 0xb3, 0x0b, |
| 0xaa, 0x2b, 0xa2, 0x43}, 20, |
| {0x08, 0x5a, 0x01, 0xea, 0x1b, 0x10, 0xf3, 0x69, |
| 0x33, 0x06, 0x8b, 0x56, 0xef, 0xa5, 0xad, 0x81, |
| 0xa4, 0xf1, 0x4b, 0x82, 0x2f, 0x5b, 0x09, 0x15, |
| 0x68, 0xa9, 0xcd, 0xd4, 0xf1, 0x55, 0xfd, 0xa2, |
| 0xc2, 0x2e, 0x42, 0x24, 0x78, 0xd3, 0x05, 0xf3, |
| 0xf8, 0x96}, 42}, |
| #ifdef LTC_TEST_EXT |
| /* Test with SHA-1 and longer inputs/outputs */ |
| {5, "sha1", |
| {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, |
| 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, |
| 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, |
| 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
| 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
| 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, |
| 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f}, 80, |
| {0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
| 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, |
| 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, |
| 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, |
| 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, |
| 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, |
| 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, |
| 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, |
| 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
| 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf}, 80, |
| {0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, |
| 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, |
| 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, |
| 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, |
| 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, |
| 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, |
| 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, |
| 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, |
| 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, |
| 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff}, 80, |
| {0x8a, 0xda, 0xe0, 0x9a, 0x2a, 0x30, 0x70, 0x59, |
| 0x47, 0x8d, 0x30, 0x9b, 0x26, 0xc4, 0x11, 0x5a, |
| 0x22, 0x4c, 0xfa, 0xf6}, 20, |
| {0x0b, 0xd7, 0x70, 0xa7, 0x4d, 0x11, 0x60, 0xf7, |
| 0xc9, 0xf1, 0x2c, 0xd5, 0x91, 0x2a, 0x06, 0xeb, |
| 0xff, 0x6a, 0xdc, 0xae, 0x89, 0x9d, 0x92, 0x19, |
| 0x1f, 0xe4, 0x30, 0x56, 0x73, 0xba, 0x2f, 0xfe, |
| 0x8f, 0xa3, 0xf1, 0xa4, 0xe5, 0xad, 0x79, 0xf3, |
| 0xf3, 0x34, 0xb3, 0xb2, 0x02, 0xb2, 0x17, 0x3c, |
| 0x48, 0x6e, 0xa3, 0x7c, 0xe3, 0xd3, 0x97, 0xed, |
| 0x03, 0x4c, 0x7f, 0x9d, 0xfe, 0xb1, 0x5c, 0x5e, |
| 0x92, 0x73, 0x36, 0xd0, 0x44, 0x1f, 0x4c, 0x43, |
| 0x00, 0xe2, 0xcf, 0xf0, 0xd0, 0x90, 0x0b, 0x52, |
| 0xd3, 0xb4}, 82}, |
| /* Test with SHA-1 and zero-length salt/info */ |
| {6, "sha1", |
| {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, |
| 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, |
| 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b}, 22, |
| {0}, 0, |
| {0}, 0, |
| {0xda, 0x8c, 0x8a, 0x73, 0xc7, 0xfa, 0x77, 0x28, |
| 0x8e, 0xc6, 0xf5, 0xe7, 0xc2, 0x97, 0x78, 0x6a, |
| 0xa0, 0xd3, 0x2d, 0x01}, 20, |
| {0x0a, 0xc1, 0xaf, 0x70, 0x02, 0xb3, 0xd7, 0x61, |
| 0xd1, 0xe5, 0x52, 0x98, 0xda, 0x9d, 0x05, 0x06, |
| 0xb9, 0xae, 0x52, 0x05, 0x72, 0x20, 0xa3, 0x06, |
| 0xe0, 0x7b, 0x6b, 0x87, 0xe8, 0xdf, 0x21, 0xd0, |
| 0xea, 0x00, 0x03, 0x3d, 0xe0, 0x39, 0x84, 0xd3, |
| 0x49, 0x18}, 42}, |
| /* Test with SHA-1, salt not provided (defaults to HashLen zero octets), |
| zero-length info */ |
| {7, "sha1", |
| {0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, |
| 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, |
| 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c}, 22, |
| {0}, 0, /* pass a null pointer */ |
| {0}, 0, |
| {0x2a, 0xdc, 0xca, 0xda, 0x18, 0x77, 0x9e, 0x7c, |
| 0x20, 0x77, 0xad, 0x2e, 0xb1, 0x9d, 0x3f, 0x3e, |
| 0x73, 0x13, 0x85, 0xdd}, 20, |
| {0x2c, 0x91, 0x11, 0x72, 0x04, 0xd7, 0x45, 0xf3, |
| 0x50, 0x0d, 0x63, 0x6a, 0x62, 0xf6, 0x4f, 0x0a, |
| 0xb3, 0xba, 0xe5, 0x48, 0xaa, 0x53, 0xd4, 0x23, |
| 0xb0, 0xd1, 0xf2, 0x7e, 0xbb, 0xa6, 0xf5, 0xe5, |
| 0x67, 0x3a, 0x08, 0x1d, 0x70, 0xcc, 0xe7, 0xac, |
| 0xfc, 0x48}, 42}, |
| #endif /* LTC_TEST_EXT */ |
| #endif /* LTC_SHA1 */ |
| }; |
| |
| int err; |
| int tested=0,failed=0; |
| for(i=0; i < (int)(sizeof(cases) / sizeof(cases[0])); i++) { |
| int hash = find_hash(cases[i].Hash); |
| if (hash == -1) continue; |
| ++tested; |
| if((err = hkdf(hash, cases[i].salt, cases[i].salt_l, |
| cases[i].info, cases[i].info_l, |
| cases[i].IKM, cases[i].IKM_l, |
| OKM, cases[i].OKM_l)) != CRYPT_OK) { |
| #if defined(LTC_TEST_DBG) && (LTC_TEST_DBG > 1) |
| printf("LTC_HKDF-%s test #%d, %s\n", cases[i].Hash, i, error_to_string(err)); |
| #endif |
| return err; |
| } |
| |
| if(compare_testvector(OKM, cases[i].OKM_l, cases[i].OKM, (size_t)cases[i].OKM_l, "HKDF", cases[i].num)) { |
| failed++; |
| } |
| } |
| |
| if (failed != 0) { |
| return CRYPT_FAIL_TESTVECTOR; |
| } |
| if (tested == 0) { |
| return CRYPT_NOP; |
| } |
| return CRYPT_OK; |
| #endif |
| } |
| |
| #endif |
| |
| |
| /* ref: $Format:%D$ */ |
| /* git commit: $Format:%H$ */ |
| /* commit time: $Format:%ai$ */ |
