gecko-dev/security/ct/SignedCertificateTimestamp.h

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2.5 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef SignedCertificateTimestamp_h
#define SignedCertificateTimestamp_h
#include "Buffer.h"
#include "mozpkix/Input.h"
#include "mozpkix/Result.h"
// Structures related to Certificate Transparency (RFC 6962).
namespace mozilla {
namespace ct {
// LogEntry struct in RFC 6962, Section 3.1.
struct LogEntry {
// LogEntryType enum in RFC 6962, Section 3.1.
enum class Type { X509 = 0, Precert = 1 };
void Reset();
Type type;
// Set if type == X509.
Buffer leafCertificate;
// Set if type == Precert.
Buffer issuerKeyHash;
Buffer tbsCertificate;
};
// Helper structure to represent Digitally Signed data, as described in
// Sections 4.7 and 7.4.1.4.1 of RFC 5246.
struct DigitallySigned {
enum class HashAlgorithm {
None = 0,
MD5 = 1,
SHA1 = 2,
SHA224 = 3,
SHA256 = 4,
SHA384 = 5,
SHA512 = 6,
};
enum class SignatureAlgorithm { Anonymous = 0, RSA = 1, DSA = 2, ECDSA = 3 };
// Returns true if |aHashAlgorithm| and |aSignatureAlgorithm|
// match this DigitallySigned hash and signature algorithms.
bool SignatureParametersMatch(HashAlgorithm aHashAlgorithm,
SignatureAlgorithm aSignatureAlgorithm) const;
HashAlgorithm hashAlgorithm;
SignatureAlgorithm signatureAlgorithm;
// 'signature' field.
Buffer signatureData;
};
// SignedCertificateTimestamp struct in RFC 6962, Section 3.2.
struct SignedCertificateTimestamp {
// Version enum in RFC 6962, Section 3.2.
enum class Version {
V1 = 0,
};
Version version;
Buffer logId;
// "timestamp" is the current time in milliseconds, measured since the epoch,
// ignoring leap seconds. See RFC 6962, Section 3.2.
uint64_t timestamp;
Buffer extensions;
DigitallySigned signature;
};
inline pkix::Result BufferToInput(const Buffer& buffer, pkix::Input& input) {
if (buffer.empty()) {
return pkix::Result::FATAL_ERROR_LIBRARY_FAILURE;
}
return input.Init(buffer.data(), buffer.size());
}
inline void InputToBuffer(pkix::Input input, Buffer& buffer) {
buffer.assign(input.UnsafeGetData(),
input.UnsafeGetData() + input.GetLength());
}
} // namespace ct
} // namespace mozilla
#endif // SignedCertificateTimestamp_h