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Diffstat (limited to 'qemu/roms/ipxe/src/tests/sha256_test.c')
-rw-r--r-- | qemu/roms/ipxe/src/tests/sha256_test.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/tests/sha256_test.c b/qemu/roms/ipxe/src/tests/sha256_test.c new file mode 100644 index 000000000..06a8cae25 --- /dev/null +++ b/qemu/roms/ipxe/src/tests/sha256_test.c @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +/** @file + * + * SHA-256 tests + * + */ + +#include <stdint.h> +#include <ipxe/sha256.h> +#include <ipxe/test.h> +#include "digest_test.h" + +/** An SHA-256 test vector */ +struct sha256_test_vector { + /** Test data */ + void *data; + /** Test data length */ + size_t len; + /** Expected digest */ + uint8_t digest[SHA256_DIGEST_SIZE]; +}; + +/** SHA-256 test vectors */ +static struct sha256_test_vector sha256_test_vectors[] = { + /* Empty test data + * + * Expected digest value obtained from "sha256sum /dev/null" + */ + { NULL, 0, + { 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, + 0xc8, 0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, + 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55 } }, + /* Test data and expected digests taken from the NIST + * Cryptographic Toolkit Algorithm Examples at + * http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA256.pdf + */ + { "abc", 3, + { 0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40, + 0xde, 0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, + 0x7a, 0x9c, 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad } }, + { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 56, + { 0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26, + 0x93, 0x0c, 0x3e, 0x60, 0x39, 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, + 0x21, 0x67, 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1 } }, +}; + +/** SHA-256 test fragment lists */ +static struct digest_test_fragments sha256_test_fragments[] = { + { { 0, -1UL, } }, + { { 1, 1, 1, 1, 1, 1, 1, 1 } }, + { { 2, 0, 23, 4, 6, 1, 0 } }, +}; + +/** + * Perform SHA-256 self-test + * + */ +static void sha256_test_exec ( void ) { + struct digest_algorithm *digest = &sha256_algorithm; + struct sha256_test_vector *test; + unsigned long cost; + unsigned int i; + unsigned int j; + + /* Correctness test */ + for ( i = 0 ; i < ( sizeof ( sha256_test_vectors ) / + sizeof ( sha256_test_vectors[0] ) ) ; i++ ) { + test = &sha256_test_vectors[i]; + /* Test with a single pass */ + digest_ok ( digest, NULL, test->data, test->len, test->digest ); + /* Test with fragment lists */ + for ( j = 0 ; j < ( sizeof ( sha256_test_fragments ) / + sizeof ( sha256_test_fragments[0] )); j++ ){ + digest_ok ( digest, &sha256_test_fragments[j], + test->data, test->len, test->digest ); + } + } + + /* Speed test */ + cost = digest_cost ( digest ); + DBG ( "SHA256 required %ld cycles per byte\n", cost ); +} + +/** SHA-256 self-test */ +struct self_test sha256_test __self_test = { + .name = "sha256", + .exec = sha256_test_exec, +}; |