Files
nearby/internal/crypto_cros/sha2.cc
T
hai007 05ae5583f8 Move crypto-related symbols from ::crypto:: to ::nearby::crypto:: to deconflict
them with chromium ::crypto symbols of the same names.

PiperOrigin-RevId: 684566882
2024-10-10 13:54:53 -07:00

48 lines
1.4 KiB
C++

// Copyright 2020 Google LLC
//
// 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 "internal/crypto_cros/sha2.h"
#include <stddef.h>
#include <array>
#include <memory>
#include <string>
#include "absl/strings/string_view.h"
#include "internal/crypto_cros/secure_hash.h"
#include <openssl/sha.h>
namespace nearby::crypto {
std::array<uint8_t, kSHA256Length> SHA256Hash(absl::Span<const uint8_t> input) {
std::array<uint8_t, kSHA256Length> digest;
::SHA256(input.data(), input.size(), digest.data());
return digest;
}
void SHA256HashString(absl::string_view str, void* output, size_t len) {
std::unique_ptr<SecureHash> ctx(SecureHash::Create(SecureHash::SHA256));
ctx->Update(str.data(), str.length());
ctx->Finish(output, len);
}
std::string SHA256HashString(absl::string_view str) {
std::string output(kSHA256Length, 0);
SHA256HashString(str, &*output.begin(), output.size());
return output;
}
} // namespace nearby::crypto