naiveproxy/net/cert/internal/simple_path_builder_delegate.h
2018-01-28 13:32:06 -05:00

53 lines
1.7 KiB
C++

// Copyright 2017 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.
#ifndef NET_CERT_INTERNAL_SIMPLE_PATH_BUILDER_DELEGATE_H_
#define NET_CERT_INTERNAL_SIMPLE_PATH_BUILDER_DELEGATE_H_
#include <stddef.h>
#include "base/compiler_specific.h"
#include "net/base/net_export.h"
#include "net/cert/internal/path_builder.h"
namespace net {
class CertErrors;
class SignatureAlgorithm;
// SimplePathBuilderDelegate is an implementation of CertPathBuilderDelegate
// that uses some default policies:
//
// * RSA public keys must be >= |min_rsa_modulus_length_bits|.
// * Signature algorithm can be RSA PKCS#1, RSASSA-PSS or ECDSA
// * Hash algorithm can be SHA1, SHA256, SHA348 or SHA512
// * EC named curve can be P-256, P-384, P-521.
class NET_EXPORT SimplePathBuilderDelegate : public CertPathBuilderDelegate {
public:
// Error emitted when a public key is rejected because it is an RSA key with a
// modulus size that is too small.
static const CertErrorId kRsaModulusTooSmall;
explicit SimplePathBuilderDelegate(size_t min_rsa_modulus_length_bits);
// Accepts RSA PKCS#1, RSASSA-PSS or ECDA using any of the SHA* digests
// (including SHA1).
bool IsSignatureAlgorithmAcceptable(
const SignatureAlgorithm& signature_algorithm,
CertErrors* errors) override;
// Requires RSA keys be >= |min_rsa_modulus_length_bits_|.
bool IsPublicKeyAcceptable(EVP_PKEY* public_key, CertErrors* errors) override;
// No-op implementation.
void CheckPathAfterVerification(CertPathBuilderResultPath* path) override;
private:
const size_t min_rsa_modulus_length_bits_;
};
} // namespace net
#endif // NET_CERT_INTERNAL_SIMPLE_PATH_BUILDER_DELEGATE_H_