objc/TINKSignatureConfig.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 "TINKRegistryConfig.h"

NS_ASSUME_NONNULL_BEGIN

/**
 * This class is used for registering with the Registry all instances of Signautre key types
 * supported in a particular release of Tink.
 *
 * To register all Signature key types provided in the latest release of Tink one can do:
 *
 * NSError *error = nil;
 * TINKSignatureConfig *config = [[TINKSignatureConfig alloc] initWithError:&error];
 * if (!config || error) {
 *   // handle error.
 * }
 *
 * if (![TINKConfig registerConfig:config error:&error]) {
 *   // handle error.
 * }
 *
 * For more information on the creation and usage of TINKSignature instances see
 * TINKPublicKeySignFactory and TINKPublicKeyVerifyFactory.
 */
@interface TINKSignatureConfig : TINKRegistryConfig

/* Use -initWithError: to get an instance of TINKSignatureConfig. */
- (nullable instancetype)init NS_UNAVAILABLE;

/* Returns config of Signature implementations supported in the latest version of Tink. */
- (nullable instancetype)initWithError:(NSError **)error NS_SWIFT_NAME(init())
    NS_DESIGNATED_INITIALIZER;

@end

NS_ASSUME_NONNULL_END