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// Copyright 2020 Google LLC
//
// 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";
package google.crypto.tink;
option java_package = "com.google.crypto.tink.proto";
option java_multiple_files = true;
option go_package = "github.com/google/tink/go/proto/rsa_ssa_pkcs1_go_proto";
// See https://datatracker.ietf.org/doc/html/rfc7518#section-3.3
enum JwtRsaSsaPkcs1Algorithm {
RS_UNKNOWN = 0;
RS256 = 1; // RSASSA-PKCS1-v1_5 using SHA-256
RS384 = 2; // RSASSA-PKCS1-v1_5 using SHA-384
RS512 = 3; // RSASSA-PKCS1-v1_5 using SHA-512
}
// key_type: type.googleapis.com/google.crypto.tink.JwtRsaSsaPkcs1PublicKey
message JwtRsaSsaPkcs1PublicKey {
uint32 version = 1;
JwtRsaSsaPkcs1Algorithm algorithm = 2;
// Modulus.
// Unsigned big integer in big-endian representation.
bytes n = 3;
// Public exponent.
// Unsigned big integer in big-endian representation.
bytes e = 4;
// Optional, custom kid header value to be used with "RAW" keys.
// "TINK" keys with this value set will be rejected.
message CustomKid {
string value = 1;
}
CustomKid custom_kid = 5;
}
// key_type: type.googleapis.com/google.crypto.tink.RsaSsaPkcs1PrivateKey
message JwtRsaSsaPkcs1PrivateKey {
uint32 version = 1;
JwtRsaSsaPkcs1PublicKey public_key = 2;
// Private exponent.
// Unsigned big integer in big-endian representation.
bytes d = 3;
// The following parameters are used to optimize RSA signature computation.
// The prime factor p of n.
// Unsigned big integer in big-endian representation.
bytes p = 4;
// The prime factor q of n.
// Unsigned big integer in big-endian representation.
bytes q = 5;
// d mod (p - 1).
// Unsigned big integer in big-endian representation.
bytes dp = 6;
// d mod (q - 1).
// Unsigned big integer in big-endian representation.
bytes dq = 7;
// Chinese Remainder Theorem coefficient q^(-1) mod p.
// Unsigned big integer in big-endian representation.
bytes crt = 8;
}
message JwtRsaSsaPkcs1KeyFormat {
uint32 version = 1;
JwtRsaSsaPkcs1Algorithm algorithm = 2;
uint32 modulus_size_in_bits = 3;
bytes public_exponent = 4;
}
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