52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
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// Copyright 2019 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/hash/sha1.h"
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#include <stdint.h>
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#include "base/strings/string_util.h"
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#include "third_party/boringssl/src/include/openssl/crypto.h"
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#include "third_party/boringssl/src/include/openssl/sha.h"
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namespace base {
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static_assert(kSHA1Length == SHA_DIGEST_LENGTH,
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"SHA-1 digest length mismatch.");
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SHA1Digest SHA1HashSpan(span<const uint8_t> data) {
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CRYPTO_library_init();
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SHA1Digest digest;
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SHA1(data.data(), data.size(), digest.data());
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return digest;
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}
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std::string SHA1HashString(StringPiece str) {
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CRYPTO_library_init();
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std::string digest;
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SHA1(reinterpret_cast<const uint8_t*>(str.data()), str.size(),
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reinterpret_cast<uint8_t*>(WriteInto(&digest, kSHA1Length + 1)));
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return digest;
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}
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void SHA1HashBytes(const unsigned char* data, size_t len, unsigned char* hash) {
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CRYPTO_library_init();
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SHA1(data, len, hash);
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}
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// These functions allow streaming SHA-1 operations.
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void SHA1Init(SHA1Context& context) {
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SHA1_Init(&context);
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}
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void SHA1Update(const StringPiece data, SHA1Context& context) {
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SHA1_Update(&context, data.data(), data.size());
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}
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void SHA1Final(SHA1Context& context, SHA1Digest& digest) {
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SHA1Context ctx(context);
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SHA1_Final(digest.data(), &ctx);
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}
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} // namespace base
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