1 // Copyright 2021 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 /////////////////////////////////////////////////////////////////////////////// 16 #ifndef TINK_JWT_INTERNAL_RAW_JWT_RSA_SSA_PSS_VERIFY_KEY_MANAGER_H_ 17 #define TINK_JWT_INTERNAL_RAW_JWT_RSA_SSA_PSS_VERIFY_KEY_MANAGER_H_ 18 19 #include <memory> 20 #include <string> 21 22 #include "absl/memory/memory.h" 23 #include "absl/strings/str_cat.h" 24 #include "tink/core/key_type_manager.h" 25 #include "tink/public_key_verify.h" 26 #include "tink/util/constants.h" 27 #include "tink/util/errors.h" 28 #include "tink/util/protobuf_helper.h" 29 #include "tink/util/status.h" 30 #include "tink/util/statusor.h" 31 #include "proto/common.pb.h" 32 #include "proto/jwt_rsa_ssa_pss.pb.h" 33 #include "proto/tink.pb.h" 34 35 namespace crypto { 36 namespace tink { 37 38 class RawJwtRsaSsaPssVerifyKeyManager 39 : public KeyTypeManager<google::crypto::tink::JwtRsaSsaPssPublicKey, void, 40 List<PublicKeyVerify>> { 41 public: 42 class PublicKeyVerifyFactory : public PrimitiveFactory<PublicKeyVerify> { 43 crypto::tink::util::StatusOr<std::unique_ptr<PublicKeyVerify>> Create( 44 const google::crypto::tink::JwtRsaSsaPssPublicKey& 45 rsa_ssa_pss_public_key) const override; 46 }; 47 RawJwtRsaSsaPssVerifyKeyManager()48 RawJwtRsaSsaPssVerifyKeyManager() 49 : KeyTypeManager(absl::make_unique<PublicKeyVerifyFactory>()) {} 50 get_version()51 uint32_t get_version() const override { return 0; } 52 key_material_type()53 google::crypto::tink::KeyData::KeyMaterialType key_material_type() 54 const override { 55 return google::crypto::tink::KeyData::ASYMMETRIC_PUBLIC; 56 } 57 get_key_type()58 const std::string& get_key_type() const override { return key_type_; } 59 60 crypto::tink::util::Status ValidateKey( 61 const google::crypto::tink::JwtRsaSsaPssPublicKey& key) const override; 62 FipsStatus()63 internal::FipsCompatibility FipsStatus() const override { 64 return internal::FipsCompatibility::kRequiresBoringCrypto; 65 } 66 67 private: 68 static crypto::tink::util::Status ValidateAlgorithm( 69 const google::crypto::tink::JwtRsaSsaPssAlgorithm& algorithm); 70 71 static crypto::tink::util::StatusOr<google::crypto::tink::HashType> 72 HashForPssAlgorithm( 73 const google::crypto::tink::JwtRsaSsaPssAlgorithm& algorithm); 74 75 static crypto::tink::util::StatusOr<int> SaltLengthForPssAlgorithm( 76 const google::crypto::tink::JwtRsaSsaPssAlgorithm& algorithm); 77 78 const std::string key_type_ = 79 absl::StrCat(kTypeGoogleapisCom, 80 google::crypto::tink::JwtRsaSsaPssPublicKey().GetTypeName()); 81 friend class RawJwtRsaSsaPssSignKeyManager; 82 }; 83 84 } // namespace tink 85 } // namespace crypto 86 87 #endif // TINK_JWT_INTERNAL_RAW_JWT_RSA_SSA_PSS_VERIFY_KEY_MANAGER_H_ 88