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122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
// Copyright (c) 2012 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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#ifndef NET_CERT_X509_UTIL_H_
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#define NET_CERT_X509_UTIL_H_
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#include <stdint.h>
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#include <memory>
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#include <string>
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#include <vector>
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#include "base/memory/ref_counted.h"
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#include "base/strings/string_piece.h"
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#include "base/time/time.h"
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#include "net/base/net_export.h"
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#include "third_party/boringssl/src/include/openssl/pool.h"
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namespace crypto {
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class RSAPrivateKey;
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}
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namespace net {
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struct ParseCertificateOptions;
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class X509Certificate;
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namespace x509_util {
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// Supported digest algorithms for signing certificates.
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enum DigestAlgorithm {
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DIGEST_SHA256
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};
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// Generate a 'tls-server-end-point' channel binding based on the specified
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// certificate. Channel bindings are based on RFC 5929.
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NET_EXPORT_PRIVATE bool GetTLSServerEndPointChannelBinding(
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const X509Certificate& certificate,
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std::string* token);
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// Creates a public-private keypair and a self-signed certificate.
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// Subject, serial number and validity period are given as parameters.
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// The certificate is signed by the private key in |key|. The key length and
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// signature algorithm may be updated periodically to match best practices.
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//
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// |subject| is a distinguished name defined in RFC4514 with _only_ a CN
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// component, as in:
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// CN=Michael Wong
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//
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// SECURITY WARNING
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//
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// Using self-signed certificates has the following security risks:
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// 1. Encryption without authentication and thus vulnerable to
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// man-in-the-middle attacks.
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// 2. Self-signed certificates cannot be revoked.
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//
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// Use this certificate only after the above risks are acknowledged.
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NET_EXPORT bool CreateKeyAndSelfSignedCert(
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const std::string& subject,
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uint32_t serial_number,
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base::Time not_valid_before,
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base::Time not_valid_after,
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std::unique_ptr<crypto::RSAPrivateKey>* key,
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std::string* der_cert);
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// Creates a self-signed certificate from a provided key, using the specified
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// hash algorithm.
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NET_EXPORT bool CreateSelfSignedCert(crypto::RSAPrivateKey* key,
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DigestAlgorithm alg,
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const std::string& subject,
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uint32_t serial_number,
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base::Time not_valid_before,
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base::Time not_valid_after,
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std::string* der_cert);
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// Provides a method to parse a DER-encoded X509 certificate without calling any
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// OS primitives. This is useful in sandboxed processes.
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NET_EXPORT bool ParseCertificateSandboxed(
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const base::StringPiece& certificate,
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std::string* subject,
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std::string* issuer,
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base::Time* not_before,
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base::Time* not_after,
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std::vector<std::string>* dns_names,
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std::vector<std::string>* ip_addresses);
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// Returns a CRYPTO_BUFFER_POOL for deduplicating certificates.
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NET_EXPORT CRYPTO_BUFFER_POOL* GetBufferPool();
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// Creates a CRYPTO_BUFFER in the same pool returned by GetBufferPool.
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NET_EXPORT bssl::UniquePtr<CRYPTO_BUFFER> CreateCryptoBuffer(
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const uint8_t* data,
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size_t length);
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// Creates a CRYPTO_BUFFER in the same pool returned by GetBufferPool.
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NET_EXPORT bssl::UniquePtr<CRYPTO_BUFFER> CreateCryptoBuffer(
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const base::StringPiece& data);
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// Overload with no definition, to disallow creating a CRYPTO_BUFFER from a
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// char* due to StringPiece implicit ctor.
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NET_EXPORT bssl::UniquePtr<CRYPTO_BUFFER> CreateCryptoBuffer(
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const char* invalid_data);
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// Returns a StringPiece pointing to the data in |buffer|.
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NET_EXPORT base::StringPiece CryptoBufferAsStringPiece(
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const CRYPTO_BUFFER* buffer);
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// Creates a new X509Certificate from the chain in |buffers|, which must have at
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// least one element.
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scoped_refptr<X509Certificate> CreateX509CertificateFromBuffers(
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STACK_OF(CRYPTO_BUFFER) * buffers);
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// Returns the default ParseCertificateOptions for the net stack.
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ParseCertificateOptions DefaultParseCertificateOptions();
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} // namespace x509_util
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} // namespace net
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#endif // NET_CERT_X509_UTIL_H_
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