4057f59453
(cherry picked from commit 934d516eb35c488ee197e1bab78a4c81e3c8241d)
70 lines
2.2 KiB
Objective-C
70 lines
2.2 KiB
Objective-C
/*
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Copyright 2019 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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Short Authentication String verification utility class.
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*/
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@interface OLMSAS : NSObject
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/**
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Get the public key of the SAS object.
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*/
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- (NSString * _Nullable)publicKey;
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/**
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Set the public key of other user.
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@param theirPublicKey the other user's public key.
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@return error the error if any.
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*/
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- (NSError* _Nullable)setTheirPublicKey:(NSString*)theirPublicKey;
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/**
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Generate bytes to use for the short authentication string.
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@param info extra information to mix in when generating the bytes, as per the Matrix spec.
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@param length the size of the output buffer. For hex-based SAS as in the Matrix spec, this will be 5.
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@return generated bytes
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*/
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- (NSData *)generateBytes:(NSString*)info length:(NSUInteger)length;
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/**
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Generate a message authentication code (MAC) based on the shared secret.
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@param input the message to produce the authentication code for.
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@param info extra information to mix in when generating the MAC, as per the Matrix spec.
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@param error the error if any.
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@return the MAC.
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*/
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- (NSString *)calculateMac:(NSString*)input info:(NSString*)info error:(NSError* _Nullable *)error;
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/**
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Generate a message authentication code (MAC) based on the shared secret.
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For compatibility with an old version of olm.js.
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@param input the message to produce the authentication code for.
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@param info extra information to mix in when generating the MAC, as per the Matrix spec.
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@param error the error if any.
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@return the MAC.
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*/
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- (NSString *)calculateMacLongKdf:(NSString*)input info:(NSString*)info error:(NSError* _Nullable *)error;
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@end
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NS_ASSUME_NONNULL_END
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