webrtc/rtc_base/sslfingerprint.cc
Mirko Bonadei 6932fb2e34 Revert "Reland: Use unique_ptr and ArrayView in SSLFingerprint"
This reverts commit 47f3240a66.

Reason for revert: Breaks WebRTC roll into Chromium.

Original change's description:
> Reland: Use unique_ptr and ArrayView in SSLFingerprint
> 
> Bug: webrtc:9860
> Change-Id: I550528556aa27050015de29d9d7d99cd9df59ce5
> Reviewed-on: https://webrtc-review.googlesource.com/c/105520
> Reviewed-by: Benjamin Wright <benwright@webrtc.org>
> Reviewed-by: Qingsi Wang <qingsi@webrtc.org>
> Commit-Queue: Steve Anton <steveanton@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#25149}

TBR=steveanton@webrtc.org,qingsi@webrtc.org,benwright@webrtc.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: webrtc:9860
Change-Id: Ib1b5759abf6e79a569ca04b66eabc3021d4c16e4
Reviewed-on: https://webrtc-review.googlesource.com/c/106060
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25173}
2018-10-15 14:48:31 +00:00

110 lines
3.3 KiB
C++

/*
* Copyright 2012 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.
*/
#include "rtc_base/sslfingerprint.h"
#include <ctype.h>
#include <string>
#include "rtc_base/logging.h"
#include "rtc_base/messagedigest.h"
#include "rtc_base/stringencode.h"
namespace rtc {
SSLFingerprint* SSLFingerprint::Create(const std::string& algorithm,
const rtc::SSLIdentity* identity) {
if (!identity) {
return nullptr;
}
return Create(algorithm, &(identity->certificate()));
}
SSLFingerprint* SSLFingerprint::Create(const std::string& algorithm,
const rtc::SSLCertificate* cert) {
uint8_t digest_val[64];
size_t digest_len;
bool ret = cert->ComputeDigest(algorithm, digest_val, sizeof(digest_val),
&digest_len);
if (!ret) {
return nullptr;
}
return new SSLFingerprint(algorithm, digest_val, digest_len);
}
SSLFingerprint* SSLFingerprint::CreateFromRfc4572(
const std::string& algorithm,
const std::string& fingerprint) {
if (algorithm.empty() || !rtc::IsFips180DigestAlgorithm(algorithm))
return nullptr;
if (fingerprint.empty())
return nullptr;
size_t value_len;
char value[rtc::MessageDigest::kMaxSize];
value_len = rtc::hex_decode_with_delimiter(
value, sizeof(value), fingerprint.c_str(), fingerprint.length(), ':');
if (!value_len)
return nullptr;
return new SSLFingerprint(algorithm, reinterpret_cast<uint8_t*>(value),
value_len);
}
SSLFingerprint* SSLFingerprint::CreateFromCertificate(
const RTCCertificate* cert) {
std::string digest_alg;
if (!cert->ssl_certificate().GetSignatureDigestAlgorithm(&digest_alg)) {
RTC_LOG(LS_ERROR)
<< "Failed to retrieve the certificate's digest algorithm";
return nullptr;
}
SSLFingerprint* fingerprint = Create(digest_alg, cert->identity());
if (!fingerprint) {
RTC_LOG(LS_ERROR) << "Failed to create identity fingerprint, alg="
<< digest_alg;
}
return fingerprint;
}
SSLFingerprint::SSLFingerprint(const std::string& algorithm,
const uint8_t* digest_in,
size_t digest_len)
: algorithm(algorithm) {
digest.SetData(digest_in, digest_len);
}
SSLFingerprint::SSLFingerprint(const SSLFingerprint& from)
: algorithm(from.algorithm), digest(from.digest) {}
bool SSLFingerprint::operator==(const SSLFingerprint& other) const {
return algorithm == other.algorithm && digest == other.digest;
}
std::string SSLFingerprint::GetRfc4572Fingerprint() const {
std::string fingerprint =
rtc::hex_encode_with_delimiter(digest.data<char>(), digest.size(), ':');
std::transform(fingerprint.begin(), fingerprint.end(), fingerprint.begin(),
::toupper);
return fingerprint;
}
std::string SSLFingerprint::ToString() const {
std::string fp_str = algorithm;
fp_str.append(" ");
fp_str.append(GetRfc4572Fingerprint());
return fp_str;
}
} // namespace rtc