| /* Copyright (c) 2017, Google Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| |
| #include <openssl/crypto.h> |
| |
| #include "../../internal.h" |
| #include "../delocate.h" |
| |
| |
| int FIPS_mode(void) { |
| #if defined(BORINGSSL_FIPS) && !defined(OPENSSL_ASAN) |
| return 1; |
| #else |
| return 0; |
| #endif |
| } |
| |
| int FIPS_mode_set(int on) { return on == FIPS_mode(); } |
| |
| const char *FIPS_module_name(void) { return "BoringCrypto"; } |
| |
| uint32_t FIPS_version(void) { |
| return 0; |
| } |
| |
| int FIPS_query_algorithm_status(const char *algorithm) { |
| #if defined(BORINGSSL_FIPS) |
| static const char kApprovedAlgorithms[][13] = { |
| "AES-CBC", |
| "AES-CCM", |
| "AES-CTR", |
| "AES-ECB", |
| "AES-GCM", |
| "AES-KW", |
| "AES-KWP", |
| "ctrDRBG", |
| "ECC-SSC", |
| "ECDSA-sign", |
| "ECDSA-verify", |
| "FFC-SSC", |
| "HMAC", |
| "RSA-sign", |
| "RSA-verify", |
| "SHA-1", |
| "SHA2-224", |
| "SHA2-256", |
| "SHA2-384", |
| "SHA2-512", |
| "SHA2-512/256", |
| }; |
| for (size_t i = 0; i < OPENSSL_ARRAY_SIZE(kApprovedAlgorithms); i++) { |
| if (strcmp(algorithm, kApprovedAlgorithms[i]) == 0) { |
| return 1; |
| } |
| } |
| #endif // BORINGSSL_FIPS |
| |
| return 0; |
| } |
| |
| #if defined(BORINGSSL_FIPS_COUNTERS) |
| |
| size_t FIPS_read_counter(enum fips_counter_t counter) { |
| if (counter < 0 || counter > fips_counter_max) { |
| abort(); |
| } |
| |
| const size_t *array = |
| CRYPTO_get_thread_local(OPENSSL_THREAD_LOCAL_FIPS_COUNTERS); |
| if (!array) { |
| return 0; |
| } |
| |
| return array[counter]; |
| } |
| |
| void boringssl_fips_inc_counter(enum fips_counter_t counter) { |
| if (counter < 0 || counter > fips_counter_max) { |
| abort(); |
| } |
| |
| size_t *array = |
| CRYPTO_get_thread_local(OPENSSL_THREAD_LOCAL_FIPS_COUNTERS); |
| if (!array) { |
| const size_t num_bytes = sizeof(size_t) * (fips_counter_max + 1); |
| array = OPENSSL_zalloc(num_bytes); |
| if (!array) { |
| return; |
| } |
| |
| if (!CRYPTO_set_thread_local(OPENSSL_THREAD_LOCAL_FIPS_COUNTERS, array, |
| OPENSSL_free)) { |
| // |OPENSSL_free| has already been called by |CRYPTO_set_thread_local|. |
| return; |
| } |
| } |
| |
| array[counter]++; |
| } |
| |
| #else |
| |
| size_t FIPS_read_counter(enum fips_counter_t counter) { return 0; } |
| |
| // boringssl_fips_inc_counter is a no-op, inline function in internal.h in this |
| // case. That should let the compiler optimise away the callsites. |
| |
| #endif |