xref: /aosp_15_r20/external/tink/java_src/proto/rsa_ssa_pkcs1.proto (revision e7b1675dde1b92d52ec075b0a92829627f2c52a5) 
1// Copyright 2018 Google Inc.
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
17// Definitions for RSA SSA (Signature Schemes with Appendix) using PKCS1-v1_5
18// encoding (https://tools.ietf.org/html/rfc8017#section-8.2).
19syntax = "proto3";
20
21package google.crypto.tink;
22
23import "proto/common.proto";
24
25option java_package = "com.google.crypto.tink.proto";
26option java_multiple_files = true;
27option go_package = "github.com/google/tink/go/proto/rsa_ssa_pkcs1_go_proto";
28
29message RsaSsaPkcs1Params {
30  // Hash function used in computing hash of the signing message
31  // (see https://tools.ietf.org/html/rfc8017#section-9.2).
32  // Required.
33  HashType hash_type = 1;
34}
35
36// key_type: type.googleapis.com/google.crypto.tink.RsaSsaPkcs1PublicKey
37message RsaSsaPkcs1PublicKey {
38  // Required.
39  uint32 version = 1;
40  // Required.
41  RsaSsaPkcs1Params params = 2;
42  // Modulus.
43  // Unsigned big integer in bigendian representation.
44  bytes n = 3;
45  // Public exponent.
46  // Unsigned big integer in bigendian representation.
47  bytes e = 4;
48}
49
50// key_type: type.googleapis.com/google.crypto.tink.RsaSsaPkcs1PrivateKey
51message RsaSsaPkcs1PrivateKey {
52  // Required.
53  uint32 version = 1;
54  // Required.
55  RsaSsaPkcs1PublicKey public_key = 2;
56  // Private exponent.
57  // Unsigned big integer in bigendian representation.
58  // Required.
59  bytes d = 3;
60
61  // The following parameters are used to optimize RSA signature computation.
62  // The prime factor p of n.
63  // Unsigned big integer in bigendian representation.
64  // Required.
65  bytes p = 4;
66  // The prime factor q of n.
67  // Unsigned big integer in bigendian representation.
68  // Required.
69  bytes q = 5;
70  // d mod (p - 1).
71  // Unsigned big integer in bigendian representation.
72  // Required.
73  bytes dp = 6;
74  // d mod (q - 1).
75  // Unsigned big integer in bigendian representation.
76  // Required.
77  bytes dq = 7;
78  // Chinese Remainder Theorem coefficient q^(-1) mod p.
79  // Unsigned big integer in bigendian representation.
80  // Required.
81  bytes crt = 8;
82}
83
84message RsaSsaPkcs1KeyFormat {
85  // Required.
86  RsaSsaPkcs1Params params = 1;
87  // Required.
88  uint32 modulus_size_in_bits = 2;
89  // Required.
90  bytes public_exponent = 3;
91}
92