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50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/ssl/ssl_private_key.h"
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#include "base/logging.h"
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#include "third_party/boringssl/src/include/openssl/evp.h"
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#include "third_party/boringssl/src/include/openssl/ssl.h"
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namespace net {
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std::vector<uint16_t> SSLPrivateKey::DefaultAlgorithmPreferences(
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int type,
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bool supports_pss) {
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switch (type) {
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case EVP_PKEY_RSA:
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if (supports_pss) {
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return {
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// Only SHA-1 if the server supports no other hashes, but otherwise
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// prefer smaller SHA-2 hashes. SHA-256 is considered fine and more
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// likely to be supported by smartcards, etc.
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SSL_SIGN_RSA_PKCS1_SHA256, SSL_SIGN_RSA_PKCS1_SHA384,
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SSL_SIGN_RSA_PKCS1_SHA512, SSL_SIGN_RSA_PKCS1_SHA1,
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// Order PSS last so we preferentially use the more conservative
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// option. While the platform APIs may support RSA-PSS, the key may
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// not. Ideally the SSLPrivateKey would query this, but smartcards
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// often do not support such queries well.
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SSL_SIGN_RSA_PSS_SHA256, SSL_SIGN_RSA_PSS_SHA384,
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SSL_SIGN_RSA_PSS_SHA512,
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};
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}
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return {
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SSL_SIGN_RSA_PKCS1_SHA256, SSL_SIGN_RSA_PKCS1_SHA384,
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SSL_SIGN_RSA_PKCS1_SHA512, SSL_SIGN_RSA_PKCS1_SHA1,
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};
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case EVP_PKEY_EC:
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return {
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SSL_SIGN_ECDSA_SECP256R1_SHA256, SSL_SIGN_ECDSA_SECP384R1_SHA384,
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SSL_SIGN_ECDSA_SECP521R1_SHA512, SSL_SIGN_ECDSA_SHA1,
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};
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default:
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NOTIMPLEMENTED();
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return {};
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};
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}
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} // namespace net
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