| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| syntax = "proto3"; |
| |
| option go_package = "github.com/google/trillian/crypto/sigpb"; |
| |
| package sigpb; |
| |
| // Protocol buffer encoding of the TLS DigitallySigned type, from RFC 5246 ยง4.7. |
| message DigitallySigned { |
| // HashAlgorithm defines the approved methods for object hashing. |
| // |
| // Supported hash algorithms. The numbering space is the same as for TLS, |
| // given in RFC 5246 s7.4.1.4.1 and at: |
| // http://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-18 |
| enum HashAlgorithm { |
| // No hash algorithm is used. |
| NONE = 0; |
| // SHA256 is used. |
| SHA256 = 4; |
| } |
| |
| // SignatureAlgorithm defines the algorithm used to sign the object. |
| // |
| // Supported signature algorithms. The numbering space is the same as for TLS, |
| // given in RFC 5246 s7.4.1.4.1 and at: |
| // http://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-16 |
| enum SignatureAlgorithm { |
| // Anonymous signature scheme. |
| ANONYMOUS = 0; |
| // RSA signature scheme. |
| RSA = 1; |
| // ECDSA signature scheme. |
| ECDSA = 3; |
| // Ed25519 signature scheme. |
| ED25519 = 7; |
| } |
| |
| // hash_algorithm contains the hash algorithm used. |
| HashAlgorithm hash_algorithm = 1; |
| // sig_algorithm contains the signing algorithm used. |
| SignatureAlgorithm signature_algorithm = 2; |
| // signature contains the object signature. |
| bytes signature = 3; |
| } |