Coverage Report

Created: 2024-11-21 07:03

/src/boringssl/crypto/sha/sha256.c
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Source (jump to first uncovered line)
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/* Copyright (c) 2024, 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/sha.h>
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#include <openssl/mem.h>
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#include "../fipsmodule/bcm_interface.h"
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1.43k
int SHA224_Init(SHA256_CTX *sha) {
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1.43k
  BCM_sha224_init(sha);
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1.43k
  return 1;
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1.43k
}
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11.7k
int SHA224_Update(SHA256_CTX *sha, const void *data, size_t len) {
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11.7k
  BCM_sha224_update(sha, data, len);
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  return 1;
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}
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int SHA224_Final(uint8_t out[SHA224_DIGEST_LENGTH], SHA256_CTX *sha) {
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5.31k
  BCM_sha224_final(out, sha);
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  return 1;
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5.31k
}
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uint8_t *SHA224(const uint8_t *data, size_t len,
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0
                uint8_t out[SHA224_DIGEST_LENGTH]) {
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0
  SHA256_CTX ctx;
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  BCM_sha224_init(&ctx);
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  BCM_sha224_update(&ctx, data, len);
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  BCM_sha224_final(out, &ctx);
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  OPENSSL_cleanse(&ctx, sizeof(ctx));
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  return out;
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0
}
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1.16k
int SHA256_Init(SHA256_CTX *sha) {
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1.16k
  BCM_sha256_init(sha);
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1.16k
  return 1;
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1.16k
}
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int SHA256_Update(SHA256_CTX *sha, const void *data, size_t len) {
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  BCM_sha256_update(sha, data, len);
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  return 1;
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}
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int SHA256_Final(uint8_t out[SHA256_DIGEST_LENGTH], SHA256_CTX *sha) {
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  // TODO(bbe): This overflow check one of the few places a low-level hash
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  // 'final' function can fail. SHA-512 does not have a corresponding check.
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  // The BCM function is infallible and will abort if this is done incorrectly.
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  // we should verify nothing crashes with this removed and eliminate the 0
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  // return.
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  if (sha->md_len > SHA256_DIGEST_LENGTH) {
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    return 0;
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  }
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  BCM_sha256_final(out, sha);
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  return 1;
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}
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uint8_t *SHA256(const uint8_t *data, size_t len,
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                uint8_t out[SHA256_DIGEST_LENGTH]) {
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  SHA256_CTX ctx;
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  BCM_sha256_init(&ctx);
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  BCM_sha256_update(&ctx, data, len);
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  BCM_sha256_final(out, &ctx);
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  OPENSSL_cleanse(&ctx, sizeof(ctx));
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  return out;
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}
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void SHA256_Transform(SHA256_CTX *sha, const uint8_t block[SHA256_CBLOCK]) {
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  BCM_sha256_transform(sha, block);
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}
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void SHA256_TransformBlocks(uint32_t state[8], const uint8_t *data,
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                            size_t num_blocks) {
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  BCM_sha256_transform_blocks(state, data, num_blocks);
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}