From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- third_party/libwebrtc/rtc_base/openssl_digest.h | 51 +++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 third_party/libwebrtc/rtc_base/openssl_digest.h (limited to 'third_party/libwebrtc/rtc_base/openssl_digest.h') diff --git a/third_party/libwebrtc/rtc_base/openssl_digest.h b/third_party/libwebrtc/rtc_base/openssl_digest.h new file mode 100644 index 0000000000..c6cc3bb86d --- /dev/null +++ b/third_party/libwebrtc/rtc_base/openssl_digest.h @@ -0,0 +1,51 @@ +/* + * Copyright 2004 The WebRTC Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef RTC_BASE_OPENSSL_DIGEST_H_ +#define RTC_BASE_OPENSSL_DIGEST_H_ + +#include +#include + +#include + +#include "absl/strings/string_view.h" +#include "rtc_base/message_digest.h" + +namespace rtc { + +// An implementation of the digest class that uses OpenSSL. +class OpenSSLDigest final : public MessageDigest { + public: + // Creates an OpenSSLDigest with `algorithm` as the hash algorithm. + explicit OpenSSLDigest(absl::string_view algorithm); + ~OpenSSLDigest() override; + // Returns the digest output size (e.g. 16 bytes for MD5). + size_t Size() const override; + // Updates the digest with `len` bytes from `buf`. + void Update(const void* buf, size_t len) override; + // Outputs the digest value to `buf` with length `len`. + size_t Finish(void* buf, size_t len) override; + + // Helper function to look up a digest's EVP by name. + static bool GetDigestEVP(absl::string_view algorithm, const EVP_MD** md); + // Helper function to look up a digest's name by EVP. + static bool GetDigestName(const EVP_MD* md, std::string* algorithm); + // Helper function to get the length of a digest. + static bool GetDigestSize(absl::string_view algorithm, size_t* len); + + private: + EVP_MD_CTX* ctx_ = nullptr; + const EVP_MD* md_; +}; + +} // namespace rtc + +#endif // RTC_BASE_OPENSSL_DIGEST_H_ -- cgit v1.2.3