a0eb4a8193
It's not obvious how to make ASAN happy with the integrity test but this will let us test FIPS-only code with ASAN at least. Change-Id: Iac983787e04cb86a158e4416c410d9b2d1e5e03f Reviewed-on: https://boringssl-review.googlesource.com/14965 Reviewed-by: Adam Langley <agl@google.com>
95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/* Copyright (c) 2017, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#include <openssl/base.h>
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#include <openssl/crypto.h>
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#include <openssl/hmac.h>
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#include "../internal.h"
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#include "digest/digest.c"
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#include "digest/digests.c"
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#include "hmac/hmac.c"
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#include "md4/md4.c"
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#include "md5/md5.c"
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#include "sha/sha1-altivec.c"
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#include "sha/sha1.c"
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#include "sha/sha256.c"
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#include "sha/sha512.c"
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#if defined(BORINGSSL_FIPS)
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static void hexdump(const uint8_t *in, size_t len) {
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for (size_t i = 0; i < len; i++) {
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printf("%02x", in[i]);
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}
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}
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/* These functions are removed by delocate.go and references to them are
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* rewritten to point to the start and end of the module, and the location of
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* the integrity hash. */
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static void BORINGSSL_bcm_text_dummy_start(void) {}
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static void BORINGSSL_bcm_text_dummy_end(void) {}
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static void BORINGSSL_bcm_text_dummy_hash(void) {}
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static void BORINGSSL_bcm_power_on_self_test(void) __attribute__((constructor));
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static void BORINGSSL_bcm_power_on_self_test(void) {
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CRYPTO_library_init();
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#if defined(__has_feature)
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#if __has_feature(address_sanitizer)
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/* Power-on tests cannot run under ASAN because it involves reading the full
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* .text section, which triggers the global-buffer overflow detection. */
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return;
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#endif
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#endif
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const uint8_t *const start = (const uint8_t *)BORINGSSL_bcm_text_dummy_start;
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const uint8_t *const end = (const uint8_t *)BORINGSSL_bcm_text_dummy_end;
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static const uint8_t kHMACKey[32] = {0};
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uint8_t result[SHA256_DIGEST_LENGTH];
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unsigned result_len;
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if (!HMAC(EVP_sha256(), kHMACKey, sizeof(kHMACKey), start, end - start,
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result, &result_len) ||
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result_len != sizeof(result)) {
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goto err;
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}
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const uint8_t *const expected =
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(const uint8_t *)BORINGSSL_bcm_text_dummy_hash;
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if (OPENSSL_memcmp(expected, result, sizeof(result)) != 0) {
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printf("FIPS integrity test failed.\nExpected: ");
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hexdump(expected, sizeof(result));
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printf("\nCalculated: ");
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hexdump(result, sizeof(result));
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printf("\n");
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goto err;
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}
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// TODO(fips): KAT tests go here.
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return;
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err:
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for (;;) {
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exit(1);
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abort();
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}
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}
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#endif /* BORINGSSL_FIPS */
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