You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
1.0 KiB
35 lines
1.0 KiB
// Copyright 2019 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef UTIL_CRYPTO_SHA2_H_
|
|
#define UTIL_CRYPTO_SHA2_H_
|
|
|
|
#include <openssl/sha.h>
|
|
#include <stddef.h>
|
|
|
|
#include <string>
|
|
|
|
#include "absl/strings/string_view.h"
|
|
#include "platform/base/error.h"
|
|
|
|
namespace openscreen {
|
|
|
|
// These functions perform SHA-256 operations.
|
|
//
|
|
// Functions for SHA-384 and SHA-512 can be added when the need arises.
|
|
|
|
// Computes the SHA-256 hash of the input string 'str' and stores the first
|
|
// 'len' bytes of the hash in the output buffer 'output'. If 'len' > 32,
|
|
// only 32 bytes (the full hash) are stored in the 'output' buffer.
|
|
Error SHA256HashString(absl::string_view str,
|
|
uint8_t output[SHA256_DIGEST_LENGTH]);
|
|
|
|
// Convenience version of the above that returns the result in a 32-byte
|
|
// string.
|
|
ErrorOr<std::string> SHA256HashString(absl::string_view str);
|
|
|
|
} // namespace openscreen
|
|
|
|
#endif // UTIL_CRYPTO_SHA2_H_
|