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0.13.1
Simple HTTP client with HTTP/1.1, HTTP/2, and HTTP/3 support
Security advisory:
This version has known vulnerabilities.
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Files
c_src/boringssl/crypto/sha/sha256.cc
// Copyright 2024 The BoringSSL Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <openssl/sha2.h>
#include <openssl/mem.h>
#include "../fipsmodule/bcm_interface.h"
int SHA224_Init(SHA256_CTX *sha) {
BCM_sha224_init(sha);
return 1;
}
int SHA224_Update(SHA256_CTX *sha, const void *data, size_t len) {
BCM_sha224_update(sha, data, len);
return 1;
}
int SHA224_Final(uint8_t out[SHA224_DIGEST_LENGTH], SHA256_CTX *sha) {
BCM_sha224_final(out, sha);
return 1;
}
uint8_t *SHA224(const uint8_t *data, size_t len,
uint8_t out[SHA224_DIGEST_LENGTH]) {
SHA256_CTX ctx;
BCM_sha224_init(&ctx);
BCM_sha224_update(&ctx, data, len);
BCM_sha224_final(out, &ctx);
OPENSSL_cleanse(&ctx, sizeof(ctx));
return out;
}
int SHA256_Init(SHA256_CTX *sha) {
BCM_sha256_init(sha);
return 1;
}
int SHA256_Update(SHA256_CTX *sha, const void *data, size_t len) {
BCM_sha256_update(sha, data, len);
return 1;
}
int SHA256_Final(uint8_t out[SHA256_DIGEST_LENGTH], SHA256_CTX *sha) {
// TODO(bbe): This overflow check one of the few places a low-level hash
// 'final' function can fail. SHA-512 does not have a corresponding check.
// The BCM function is infallible and will abort if this is done incorrectly.
// we should verify nothing crashes with this removed and eliminate the 0
// return.
if (sha->md_len > SHA256_DIGEST_LENGTH) {
return 0;
}
BCM_sha256_final(out, sha);
return 1;
}
uint8_t *SHA256(const uint8_t *data, size_t len,
uint8_t out[SHA256_DIGEST_LENGTH]) {
SHA256_CTX ctx;
BCM_sha256_init(&ctx);
BCM_sha256_update(&ctx, data, len);
BCM_sha256_final(out, &ctx);
OPENSSL_cleanse(&ctx, sizeof(ctx));
return out;
}
void SHA256_Transform(SHA256_CTX *sha, const uint8_t block[SHA256_CBLOCK]) {
BCM_sha256_transform(sha, block);
}
void SHA256_TransformBlocks(uint32_t state[8], const uint8_t *data,
size_t num_blocks) {
BCM_sha256_transform_blocks(state, data, num_blocks);
}