4551b793de
R=mallinath@webrtc.org Review URL: https://webrtc-codereview.appspot.com/2371004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4945 4adac7df-926f-26a2-2b94-8c16560cd09d
115 lines
4.0 KiB
C++
115 lines
4.0 KiB
C++
/*
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* libjingle
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* Copyright 2012, Google Inc.
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* Copyright 2012, RTFM Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_BASE_SSLFINGERPRINT_H_
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#define TALK_BASE_SSLFINGERPRINT_H_
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#include <ctype.h>
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#include <string>
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#include "talk/base/buffer.h"
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#include "talk/base/helpers.h"
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#include "talk/base/messagedigest.h"
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#include "talk/base/sslidentity.h"
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#include "talk/base/stringencode.h"
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namespace talk_base {
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struct SSLFingerprint {
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static SSLFingerprint* Create(const std::string& algorithm,
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const talk_base::SSLIdentity* identity) {
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if (!identity) {
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return NULL;
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}
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return Create(algorithm, &(identity->certificate()));
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}
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static SSLFingerprint* Create(const std::string& algorithm,
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const talk_base::SSLCertificate* cert) {
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uint8 digest_val[64];
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size_t digest_len;
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bool ret = cert->ComputeDigest(
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algorithm, digest_val, sizeof(digest_val), &digest_len);
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if (!ret) {
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return NULL;
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}
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return new SSLFingerprint(algorithm, digest_val, digest_len);
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}
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static SSLFingerprint* CreateFromRfc4572(const std::string& algorithm,
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const std::string& fingerprint) {
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if (algorithm.empty())
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return NULL;
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if (fingerprint.empty())
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return NULL;
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size_t value_len;
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char value[talk_base::MessageDigest::kMaxSize];
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value_len = talk_base::hex_decode_with_delimiter(value, sizeof(value),
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fingerprint.c_str(),
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fingerprint.length(),
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':');
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if (!value_len)
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return NULL;
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return new SSLFingerprint(algorithm,
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reinterpret_cast<uint8*>(value),
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value_len);
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}
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SSLFingerprint(const std::string& algorithm, const uint8* digest_in,
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size_t digest_len) : algorithm(algorithm) {
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digest.SetData(digest_in, digest_len);
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}
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SSLFingerprint(const SSLFingerprint& from)
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: algorithm(from.algorithm), digest(from.digest) {}
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bool operator==(const SSLFingerprint& other) const {
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return algorithm == other.algorithm &&
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digest == other.digest;
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}
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std::string GetRfc4572Fingerprint() const {
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std::string fingerprint =
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talk_base::hex_encode_with_delimiter(
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digest.data(), digest.length(), ':');
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std::transform(fingerprint.begin(), fingerprint.end(),
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fingerprint.begin(), ::toupper);
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return fingerprint;
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}
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std::string algorithm;
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talk_base::Buffer digest;
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};
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} // namespace talk_base
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#endif // TALK_BASE_SSLFINGERPRINT_H_
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