Revision f2df5dfbe6e3112c758a67eab4e3d8c4aa864304 authored by Charles Lee on 09 August 2018, 17:36:26 UTC, committed by Charles Lee on 09 August 2018, 18:08:14 UTC
PiperOrigin-RevId: 208072286 GitOrigin-RevId: 2b9e5331d243821ba4a2500732bb7655a1e33bf5
1 parent 413b6b5
TINKSignatureKeyTemplate.h
/**
* Copyright 2018 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.
*
**************************************************************************
*/
#import <Foundation/Foundation.h>
#import "TINKKeyTemplate.h"
typedef NS_ENUM(NSInteger, TINKSignatureKeyTemplates) {
/**
* EcdsaPrivateKey with the following parameters:
* - EC curve: NIST P-256
* - hash function: SHA256
* - signature: DER
* - OutputPrefixType: TINK
*/
TINKEcdsaP256 = 1,
/**
* EcdsaPrivateKey with the following parameters:
* - EC curve: NIST P-384
* - hash function: SHA512
* - signature: DER
* - OutputPrefixType: TINK
*/
TINKEcdsaP384 = 2,
/**
* EcdsaPrivateKey with the following parameters:
* - EC curve: NIST P-521
* - hash function: SHA512
* - signature: DER
* - OutputPrefixType: TINK
*/
TINKEcdsaP521 = 3,
/**
* EcdsaPrivateKey with the following parameters:
* - EC curve: NIST P-256
* - hash function: SHA256
* - signature: IEEE P1363
* - OutputPrefixType: TINK
*/
TINKEcdsaP256Ieee = 4,
/**
* EcdsaPrivateKey with the following parameters:
* - EC curve: NIST P-384
* - hash function: SHA512
* - signature: IEEE P1363
* - OutputPrefixType: TINK
*/
TINKEcdsaP384Ieee = 5,
/**
* EcdsaPrivateKey with the following parameters:
* - EC curve: NIST P-521
* - hash function: SHA512
* - signature: IEEE P1363
* - OutputPrefixType: TINK
*/
TINKEcdsaP521Ieee = 6,
};
NS_ASSUME_NONNULL_BEGIN
/**
* Pre-generated key templates for signature key types.
* One can use these templates to generate new TINKKeysetHandle object with fresh keys.
*
* Example:
*
* NSError *error = nil;
* TINKSignatureConfig *config = [[TINKSignatureConfig alloc] initWithError:&error];
* if (!config || error) {
* // handle error.
* }
*
* if (![TINKConfig registerConfig:config error:&error]) {
* // handle error.
* }
*
* TINKSignatureKeyTemplate *tpl = [TINSignatureKeyTemplate initWithKeyTemplate:TINKEcdsaP521
* error:&error];
* if (!tpl || error) {
* // handle error.
* }
*
* TINKKeysetHandle *handle = [[TINKKeysetHandle alloc] initWithKeyTemplate:tpl error:&error];
* if (!handle || error) {
* // handle error.
* }
*
*/
@interface TINKSignatureKeyTemplate : TINKKeyTemplate
- (nullable instancetype)init
__attribute__((unavailable("Use -initWithKeyTemplate:error: instead.")));
/**
* Creates a TINKSignatureKeyTemplate that can be used to generate signature keysets.
*
* @param keyTemplate The signature key template.
* @param error If non-nil it will be populated with a descriptive error when the operation
* fails.
* @return A TINKSignatureKeyTemplate or nil in case of error.
*/
- (nullable instancetype)initWithKeyTemplate:(TINKSignatureKeyTemplates)keyTemplate
error:(NSError **)error NS_DESIGNATED_INITIALIZER;
@end
NS_ASSUME_NONNULL_END
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