blob: 2c3e1e974be4517bc34cd8ba6f763ddf679da9c2 [file] [log] [blame]
/*
* 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 "webrtc/base/sslfingerprint.h"
#include <ctype.h>
#include <string>
#include "webrtc/base/helpers.h"
#include "webrtc/base/messagedigest.h"
#include "webrtc/base/stringencode.h"
namespace rtc {
SSLFingerprint* SSLFingerprint::Create(
const std::string& algorithm, const rtc::SSLIdentity* identity) {
if (!identity) {
return NULL;
}
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 NULL;
}
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 NULL;
if (fingerprint.empty())
return NULL;
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 NULL;
return new SSLFingerprint(algorithm, reinterpret_cast<uint8_t*>(value),
value_len);
}
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