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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <vector>
#include "base/callback_forward.h"
#include "base/containers/span.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "net/base/net_errors.h"
#include "net/base/net_export.h"
#include "starboard/types.h"
namespace net {
// An interface for a private key for use with SSL client authentication. A
// private key may be used with multiple signature algorithms, so methods use
// |SSL_SIGN_*| constants from BoringSSL, which correspond to TLS 1.3
// SignatureScheme values.
// Note that although ECDSA constants are named like
// |SSL_SIGN_ECDSA_SECP256R1_SHA256|, they may be used with any curve for
// purposes of this API. This descrepancy is due to differences between TLS 1.2
// and TLS 1.3.
class NET_EXPORT SSLPrivateKey
: public base::RefCountedThreadSafe<SSLPrivateKey> {
using SignCallback =
base::OnceCallback<void(Error, const std::vector<uint8_t>&)>;
SSLPrivateKey() {}
// Returns the algorithms that are supported by the key in decreasing
// preference for TLS 1.2 and later. Note that |SSL_SIGN_RSA_PKCS1_MD5_SHA1|
// is only used by TLS 1.1 and earlier and should not be in this list.
virtual std::vector<uint16_t> GetAlgorithmPreferences() = 0;
// Asynchronously signs an |input| with the specified TLS signing algorithm.
// |input| is an unhashed message to be signed. On completion, it calls
// |callback| with the signature or an error code if the operation failed.
virtual void Sign(uint16_t algorithm,
base::span<const uint8_t> input,
SignCallback callback) = 0;
// Returns the default signature algorithm preferences for the specified key
// type, which should be a BoringSSL |EVP_PKEY_*| constant. RSA keys which use
// this must support PKCS #1 v1.5 signatures with SHA-1, SHA-256, SHA-384, and
// SHA-512. If |supports_pss| is true, they must additionally support PSS
// signatures with SHA-256, SHA-384, and SHA-512. ECDSA keys must support
// SHA-256, SHA-384, SHA-512.
// Keys with more specific capabilities or preferences should return a custom
// list.
static std::vector<uint16_t> DefaultAlgorithmPreferences(int type,
bool supports_pss);
virtual ~SSLPrivateKey() {}
friend class base::RefCountedThreadSafe<SSLPrivateKey>;
} // namespace net