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Diffstat (limited to 'xcode/OLMKit/OLMSAS.m')
| -rw-r--r-- | xcode/OLMKit/OLMSAS.m | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/xcode/OLMKit/OLMSAS.m b/xcode/OLMKit/OLMSAS.m deleted file mode 100644 index fed370b..0000000 --- a/xcode/OLMKit/OLMSAS.m +++ /dev/null @@ -1,174 +0,0 @@ -/* - Copyright 2018 New Vector Ltd - - 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 "OLMSAS.h" - -#include "olm/olm.h" -#include "olm/sas.h" -#include "OLMUtility.h" - -@interface OLMSAS () { - void *olmSASbuffer; - OlmSAS *olmSAS; -} -@end - -@implementation OLMSAS - -- (void)dealloc { - olm_clear_sas(olmSAS); - free(olmSASbuffer); -} - -- (instancetype)init { - self = [super init]; - if (self) { - olmSASbuffer = malloc(olm_sas_size()); - olmSAS = olm_sas(olmSASbuffer); - - size_t randomLength = olm_create_sas_random_length(olmSAS); - NSMutableData *random = [OLMUtility randomBytesOfLength:randomLength]; - if (!random) { - return nil; - } - - olm_create_sas(olmSAS, random.mutableBytes, randomLength); - - [random resetBytesInRange:NSMakeRange(0, randomLength)]; - } - return self; -} - -- (NSString * _Nullable)publicKey { - size_t publicKeyLength = olm_sas_pubkey_length(olmSAS); - NSMutableData *publicKeyData = [NSMutableData dataWithLength:publicKeyLength]; - if (!publicKeyData) { - return nil; - } - - size_t result = olm_sas_get_pubkey(olmSAS, publicKeyData.mutableBytes, publicKeyLength); - if (result == olm_error()) { - const char *olm_error = olm_sas_last_error(olmSAS); - NSLog(@"[OLMSAS] publicKey: olm_sas_get_pubkey error: %s", olm_error); - return nil; - } - - NSString *publicKey = [[NSString alloc] initWithData:publicKeyData encoding:NSUTF8StringEncoding]; - return publicKey; -} - -- (NSError * _Nullable)setTheirPublicKey:(NSString*)theirPublicKey { - NSMutableData *theirPublicKeyData = [theirPublicKey dataUsingEncoding:NSUTF8StringEncoding].mutableCopy; - - size_t result = olm_sas_set_their_key(olmSAS, theirPublicKeyData.mutableBytes, theirPublicKeyData.length); - if (result == olm_error()) { - const char *olm_error = olm_sas_last_error(olmSAS); - NSLog(@"[OLMSAS] setTheirPublicKey: olm_sas_set_their_key error: %s", olm_error); - - NSString *errorString = [NSString stringWithUTF8String:olm_error]; - if (olm_error && errorString) { - return [NSError errorWithDomain:OLMErrorDomain - code:0 - userInfo:@{ - NSLocalizedDescriptionKey: errorString, - NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_sas_set_their_key error: %@", errorString] - }]; - } - } - - return nil; -} - -- (NSData *)generateBytes:(NSString *)info length:(NSUInteger)length { - NSData *infoData = [info dataUsingEncoding:NSUTF8StringEncoding]; - - NSMutableData *bytes = [NSMutableData dataWithLength:length]; - if (!bytes) { - return nil; - } - - olm_sas_generate_bytes(olmSAS, infoData.bytes, infoData.length, bytes.mutableBytes, length); - return bytes; -} - -- (NSString *)calculateMac:(NSString *)input info:(NSString *)info error:(NSError *__autoreleasing _Nullable *)error { - NSMutableData *inputData = [input dataUsingEncoding:NSUTF8StringEncoding].mutableCopy; - NSData *infoData = [info dataUsingEncoding:NSUTF8StringEncoding]; - - size_t macLength = olm_sas_mac_length(olmSAS); - NSMutableData *macData = [NSMutableData dataWithLength:macLength]; - if (!macData) { - return nil; - } - - size_t result = olm_sas_calculate_mac(olmSAS, - inputData.mutableBytes, inputData.length, - infoData.bytes, infoData.length, - macData.mutableBytes, macLength); - if (result == olm_error()) { - const char *olm_error = olm_sas_last_error(olmSAS); - NSLog(@"[OLMSAS] calculateMac: olm_sas_calculate_mac error: %s", olm_error); - - NSString *errorString = [NSString stringWithUTF8String:olm_error]; - if (error && olm_error && errorString) { - *error = [NSError errorWithDomain:OLMErrorDomain - code:0 - userInfo:@{ - NSLocalizedDescriptionKey: errorString, - NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_sas_calculate_mac error: %@", errorString] - }]; - } - return nil; - } - - NSString *mac = [[NSString alloc] initWithData:macData encoding:NSUTF8StringEncoding]; - return mac; -} - -- (NSString *)calculateMacLongKdf:(NSString *)input info:(NSString *)info error:(NSError *__autoreleasing _Nullable *)error { - NSMutableData *inputData = [input dataUsingEncoding:NSUTF8StringEncoding].mutableCopy; - NSData *infoData = [info dataUsingEncoding:NSUTF8StringEncoding]; - - size_t macLength = olm_sas_mac_length(olmSAS); - NSMutableData *macData = [NSMutableData dataWithLength:macLength]; - if (!macData) { - return nil; - } - - size_t result = olm_sas_calculate_mac_long_kdf(olmSAS, - inputData.mutableBytes, inputData.length, - infoData.bytes, infoData.length, - macData.mutableBytes, macLength); - if (result == olm_error()) { - const char *olm_error = olm_sas_last_error(olmSAS); - NSLog(@"[OLMSAS] calculateMacLongKdf: olm_sas_calculate_mac error: %s", olm_error); - - NSString *errorString = [NSString stringWithUTF8String:olm_error]; - if (error && olm_error && errorString) { - *error = [NSError errorWithDomain:OLMErrorDomain - code:0 - userInfo:@{ - NSLocalizedDescriptionKey: errorString, - NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_sas_calculate_mac_long_kdf error: %@", errorString] - }]; - } - return nil; - } - - NSString *mac = [[NSString alloc] initWithData:macData encoding:NSUTF8StringEncoding]; - return mac; -} - -@end |