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// Copyright 2017 Google Inc.
//
// 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.
//
////////////////////////////////////////////////////////////////////////////////
// Definitions for common cryptographic enum types.
syntax = "proto3";
package google.crypto.tink;
option java_package = "com.google.crypto.tink.proto";
option java_multiple_files = true;
option go_package = "github.com/tink-crypto/tink-go/v2/proto/common_go_proto";
enum EllipticCurveType {
UNKNOWN_CURVE = 0;
NIST_P256 = 2;
NIST_P384 = 3;
NIST_P521 = 4;
CURVE25519 = 5;
}
enum EcPointFormat {
UNKNOWN_FORMAT = 0;
UNCOMPRESSED = 1;
COMPRESSED = 2;
// Like UNCOMPRESSED but without the \x04 prefix. Crunchy uses this format.
// DO NOT USE unless you are a Crunchy user moving to Tink.
DO_NOT_USE_CRUNCHY_UNCOMPRESSED = 3;
}
enum HashType {
UNKNOWN_HASH = 0;
SHA1 = 1; // Using SHA1 for digital signature is deprecated but HMAC-SHA1 is
// fine.
SHA384 = 2;
SHA256 = 3;
SHA512 = 4;
SHA224 = 5;
}
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