FRAOathMechanism.m revision 415243fbc81341293a852ff6aa14e9608d08685c
/*
* The contents of this file are subject to the terms of the Common Development and
* Distribution License (the License). You may not use this file except in compliance with the
* License.
*
* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
* specific language governing permission and limitations under the License.
*
* When distributing Covered Software, include this CDDL Header Notice in each file and include
* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
* Header, with the fields enclosed by brackets [] replaced by your own identifying
* information: "Portions copyright [year] [name of copyright owner]".
*
* Copyright 2016 ForgeRock AS.
*
* Portions Copyright 2014 Nathaniel McCallum, Red Hat
*/
#import "FRAIdentityDatabase.h"
#import "FRAOathMechanism.h"
#import "FRAOathCode.h"
#import "FRAModelObjectProtected.h"
#include "base32.h"
}
- (instancetype)initWithDatabase:(FRAIdentityDatabase *)database type:(NSString *)type usingSecretKey:(NSData *)secretKey andHMACAlgorithm:(CCHmacAlgorithm)algorithm withKeyLength:(NSUInteger)digits andEitherPeriod:(NSUInteger)timePeriod orCounter:(NSUInteger)hmacCounter {
if (self) {
period = timePeriod;
_version = 1;
}
return self;
}
+ (instancetype)oathMechanismWithDatabase:(FRAIdentityDatabase *)database type:(NSString *)type usingSecretKey:(NSData *)secretKey andHMACAlgorithm:(CCHmacAlgorithm)algorithm withKeyLength:(NSUInteger)digits andEitherPeriod:(NSUInteger)period orCounter:(NSUInteger)counter {
return [[FRAOathMechanism alloc] initWithDatabase:database type:type usingSecretKey:secretKey andHMACAlgorithm:algorithm withKeyLength:digits andEitherPeriod:period orCounter:counter];
}
- (void)generateNextCode {
now = 0;
}
}
}
switch (algo) {
case kCCHmacAlgMD5:
return CC_MD5_DIGEST_LENGTH;
case kCCHmacAlgSHA256:
return CC_SHA256_DIGEST_LENGTH;
case kCCHmacAlgSHA512:
return CC_SHA512_DIGEST_LENGTH;
case kCCHmacAlgSHA1:
default:
return CC_SHA1_DIGEST_LENGTH;
}
}
// Network byte order
// Create digits divisor
for (int i = digits; i > 0; i--) {
div *= 10;
}
// Create the HMAC
// Truncate
}
@end