Revision 27b061bb9ed1af1a6f538410bff443290e427e66 authored by ckl on 10 August 2022, 00:53:25 UTC, committed by Copybara-Service on 10 August 2022, 00:54:36 UTC
PiperOrigin-RevId: 466522403
1 parent d1ea07d
TINKPublicKeyVerifyFactory.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>
@class TINKKeysetHandle;
@protocol TINKPublicKeyVerify;
NS_ASSUME_NONNULL_BEGIN;
/**
* TINKPublicKeyVerifyFactory allows for obtaining a TINKPublicKeyVerify primitive from a
* TINKKeysetHandle.
*
* TINKPublicKeyVerifyFactory gets primitives from the Registry, which can be initialized via
* convenience methods from the TINKSignatureConfig class. Here is an example how one can obtain and
* use a TINKPublicKeyVerify primitive:
*
* NSError *error = nil;
* TINKSignatureConfig *signatureConfig = [[TINKSignatureConfig alloc] initWithError:&error];
* if (!signatureConfig || error) {
* // handle error.
* }
*
* if (![TINKConfig registerConfig:signatureConfig error:&error]) {
* // handle error.
* }
*
* TINKKeysetHandle keysetHandle = ...;
* id<TINKPublicKeyVerify> publicKeyVerify = [TINKPublicKeyVerifyFactory
* primitiveWithKeysetHandle:keysetHandle
* error:&error];
* if (!publicKeyVerify || error) {
* // handle error.
* }
*
* NSData *data = ...;
* NSData *signature = ...;
* BOOL result = [publicKeyVerify verifySignature:signature forData:data error:&error];
* if (!result) {
* // Signature was not correct.
* // ...
* }
*/
@interface TINKPublicKeyVerifyFactory : NSObject
/**
* Returns an object that conforms to the TINKPublicKeyVerify protocol. It uses key material from
* the keyset specified via @c keysetHandle.
*/
+ (nullable id<TINKPublicKeyVerify>)primitiveWithKeysetHandle:(TINKKeysetHandle *)keysetHandle
error:(NSError **)error;
@end
NS_ASSUME_NONNULL_END;
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