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![Byron Campen [:bwc]](/assets/img/avatar_default.png)
Differential Revision: https://phabricator.services.mozilla.com/D17273 --HG-- extra : moz-landing-system : lando
102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef dtls_identity_h__
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#define dtls_identity_h__
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#include <string>
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#include <vector>
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#include "m_cpp_utils.h"
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#include "mozilla/Move.h"
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#include "mozilla/RefPtr.h"
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#include "nsISupportsImpl.h"
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#include "ScopedNSSTypes.h"
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#include "sslt.h"
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#include "nsTArray.h"
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// All code in this module requires NSS to be live.
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// Callers must initialize NSS and implement the nsNSSShutdownObject
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// protocol.
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namespace mozilla {
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class DtlsDigest {
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public:
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const static size_t kMaxDtlsDigestLength = HASH_LENGTH_MAX;
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DtlsDigest() = default;
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explicit DtlsDigest(const std::string& algorithm) : algorithm_(algorithm) {}
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DtlsDigest(const std::string& algorithm, const std::vector<uint8_t>& value)
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: algorithm_(algorithm), value_(value) {
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MOZ_ASSERT(value.size() <= kMaxDtlsDigestLength);
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}
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~DtlsDigest() = default;
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bool operator!=(const DtlsDigest& rhs) const { return !operator==(rhs); }
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bool operator==(const DtlsDigest& rhs) const {
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if (algorithm_ != rhs.algorithm_) {
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return false;
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}
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return value_ == rhs.value_;
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}
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std::string algorithm_;
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std::vector<uint8_t> value_;
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};
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typedef std::vector<DtlsDigest> DtlsDigestList;
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class DtlsIdentity final {
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public:
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// This constructor takes ownership of privkey and cert.
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DtlsIdentity(UniqueSECKEYPrivateKey privkey, UniqueCERTCertificate cert,
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SSLKEAType authType)
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: private_key_(std::move(privkey)),
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cert_(std::move(cert)),
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auth_type_(authType) {}
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// Allows serialization/deserialization; cannot write IPC serialization code
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// directly for DtlsIdentity, since IPC-able types need to be constructable
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// on the stack.
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nsresult Serialize(nsTArray<uint8_t>* aKeyDer, nsTArray<uint8_t>* aCertDer);
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static RefPtr<DtlsIdentity> Deserialize(const nsTArray<uint8_t>& aKeyDer,
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const nsTArray<uint8_t>& aCertDer,
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SSLKEAType authType);
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// This is only for use in tests, or for external linkage. It makes a (bad)
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// instance of this class.
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static RefPtr<DtlsIdentity> Generate();
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// These don't create copies or transfer ownership. If you want these to live
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// on, make a copy.
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const UniqueCERTCertificate& cert() const { return cert_; }
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const UniqueSECKEYPrivateKey& privkey() const { return private_key_; }
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// Note: this uses SSLKEAType because that is what the libssl API requires.
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// This is a giant confusing mess, but libssl indexes certificates based on a
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// key exchange type, not authentication type (as you might have reasonably
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// expected).
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SSLKEAType auth_type() const { return auth_type_; }
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nsresult ComputeFingerprint(DtlsDigest* digest) const;
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static nsresult ComputeFingerprint(const UniqueCERTCertificate& cert,
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DtlsDigest* digest);
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static const std::string DEFAULT_HASH_ALGORITHM;
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enum { HASH_ALGORITHM_MAX_LENGTH = 64 };
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DtlsIdentity)
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private:
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~DtlsIdentity() {}
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DISALLOW_COPY_ASSIGN(DtlsIdentity);
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UniqueSECKEYPrivateKey private_key_;
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UniqueCERTCertificate cert_;
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SSLKEAType auth_type_;
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};
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} // namespace mozilla
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#endif
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