David Benjamin
33d1049b1f
We use the standard Apache 2.0 file header, described in "APPENDIX: How to apply the Apache License to your work." This was primarily automated by running: git ls-tree -r --name-only HEAD | xargs go run ./util/relicense.go See go/boringssl-relicensing-triage for the results of triaging the output of the tool. As part of this, switch from taking fiat-crypto under MIT license to Apache 2.0. (It is licensed under MIT OR Apache-2.0 OR BSD-1-Clause.) The copyright_summary tool can also be used to confirm we didn't accidentally drop any copyright lines: # Run before the CL git grep -l Copyright | xargs go run ./util/copyright_summary.go -out /tmp/old.json # Run after the CL git grep -l Copyright | xargs go run ./util/copyright_summary.go -compare /tmp/old.json Bug: 364634028 Change-Id: I17c50e761e9d077a1f92e25969e50ed35e320c59 Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/75852 Reviewed-by: Bob Beck <bbe@google.com> Commit-Queue: David Benjamin <davidben@google.com> Reviewed-by: Adam Langley <agl@google.com>
94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
// Copyright 2017 The Chromium Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef BSSL_PKI_SIMPLE_PATH_BUILDER_DELEGATE_H_
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#define BSSL_PKI_SIMPLE_PATH_BUILDER_DELEGATE_H_
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#include <stddef.h>
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#include <openssl/base.h>
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#include <openssl/pki/signature_verify_cache.h>
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#include "path_builder.h"
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#include "signature_algorithm.h"
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BSSL_NAMESPACE_BEGIN
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class CertErrors;
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// SimplePathBuilderDelegate is an implementation of CertPathBuilderDelegate
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// that uses some default policies:
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//
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// * RSA public keys must be >= |min_rsa_modulus_length_bits|.
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// * Signature algorithm can be RSA PKCS#1, RSASSA-PSS or ECDSA
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// * Digest algorithm can be SHA256, SHA348 or SHA512.
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// * If the |digest_policy| was set to kAllowSha1, then SHA1 is
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// additionally accepted.
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// * EC named curve can be P-256, P-384, P-521.
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class OPENSSL_EXPORT SimplePathBuilderDelegate
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: public CertPathBuilderDelegate {
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public:
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enum class DigestPolicy {
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// Accepts digests of SHA256, SHA348 or SHA512
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kStrong,
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// Accepts everything that kStrong does, plus SHA1.
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kWeakAllowSha1,
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kMaxValue = kWeakAllowSha1
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};
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// Error emitted when a public key is rejected because it is an RSA key with a
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// modulus size that is too small.
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static const CertErrorId kRsaModulusTooSmall;
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SimplePathBuilderDelegate(size_t min_rsa_modulus_length_bits,
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DigestPolicy digest_policy);
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// Accepts RSA PKCS#1, RSASSA-PSS or ECDA using any of the SHA* digests
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// (including SHA1).
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bool IsSignatureAlgorithmAcceptable(SignatureAlgorithm signature_algorithm,
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CertErrors *errors) override;
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// Requires RSA keys be >= |min_rsa_modulus_length_bits_|.
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bool IsPublicKeyAcceptable(EVP_PKEY *public_key, CertErrors *errors) override;
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// No-op implementation.
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void CheckPathAfterVerification(const CertPathBuilder &path_builder,
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CertPathBuilderResultPath *path) override;
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// No-op implementation.
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bool IsDeadlineExpired() override;
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// No-op implementation.
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SignatureVerifyCache *GetVerifyCache() override;
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// No-op implementation.
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bool IsDebugLogEnabled() override;
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// No-op implementation.
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void DebugLog(std::string_view msg) override;
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// No-op implementation.
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bool AcceptPreCertificates() override;
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private:
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const size_t min_rsa_modulus_length_bits_;
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const DigestPolicy digest_policy_;
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};
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BSSL_NAMESPACE_END
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#endif // BSSL_PKI_SIMPLE_PATH_BUILDER_DELEGATE_H_
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