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Diffstat (limited to 'xcode/OLMKit/OLMUtility.m')
-rw-r--r--xcode/OLMKit/OLMUtility.m121
1 files changed, 0 insertions, 121 deletions
diff --git a/xcode/OLMKit/OLMUtility.m b/xcode/OLMKit/OLMUtility.m
deleted file mode 100644
index 936785a..0000000
--- a/xcode/OLMKit/OLMUtility.m
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- Copyright 2016 Chris Ballinger
- Copyright 2016 OpenMarket Ltd
- Copyright 2016 Vector Creations 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 "OLMUtility.h"
-
-#include "olm/olm.h"
-
-NSString *const OLMErrorDomain = @"org.matrix.olm";
-
-@interface OLMUtility()
-
-@property (nonatomic) OlmUtility *utility;
-
-@end
-
-@implementation OLMUtility
-
-- (void) dealloc {
- olm_clear_utility(_utility);
- free(_utility);
-}
-
-- (BOOL) initializeUtilityMemory {
- size_t utilitySize = olm_utility_size();
- _utility = malloc(utilitySize);
- NSParameterAssert(_utility != nil);
- if (!_utility) {
- return NO;
- }
- _utility = olm_utility(_utility);
- NSParameterAssert(_utility != nil);
- if (!_utility) {
- return NO;
- }
- return YES;
-}
-
-- (instancetype) init {
- self = [super init];
- if (!self) {
- return nil;
- }
- BOOL success = [self initializeUtilityMemory];
- if (!success) {
- return nil;
- }
- return self;
-}
-
-- (NSString *)sha256:(NSData *)message {
- size_t length = olm_sha256_length(_utility);
-
- NSMutableData *shaData = [NSMutableData dataWithLength:length];
- if (!shaData) {
- return nil;
- }
-
- size_t result = olm_sha256(_utility, message.bytes, message.length, shaData.mutableBytes, shaData.length);
- if (result == olm_error()) {
- const char *error = olm_utility_last_error(_utility);
- NSLog(@"olm_sha256 error: %s", error);
- return nil;
- }
-
- NSString *sha = [[NSString alloc] initWithData:shaData encoding:NSUTF8StringEncoding];
- return sha;
-}
-
-- (BOOL)verifyEd25519Signature:(NSString*)signature key:(NSString*)key message:(NSData*)message error:(NSError**)error {
-
- NSData *keyData = [key dataUsingEncoding:NSUTF8StringEncoding];
- NSData *signatureData = [signature dataUsingEncoding:NSUTF8StringEncoding];
-
- size_t result = olm_ed25519_verify(_utility,
- keyData.bytes, keyData.length,
- message.bytes, message.length,
- (void*)signatureData.bytes, signatureData.length
- );
-
- if (result == olm_error()) {
- if (error) {
- NSDictionary *userInfo = @{NSLocalizedFailureReasonErrorKey: [NSString stringWithUTF8String:olm_utility_last_error(_utility)]};
-
- // @TODO
- *error = [[NSError alloc] initWithDomain:@"OLMKitErrorDomain" code:0 userInfo:userInfo];
- }
- return NO;
- }
- else {
- return YES;
- }
-}
-
-+ (NSMutableData*) randomBytesOfLength:(NSUInteger)length {
- NSMutableData *randomData = [NSMutableData dataWithLength:length];
- if (!randomData) {
- return nil;
- }
- int result = SecRandomCopyBytes(kSecRandomDefault, randomData.length, randomData.mutableBytes);
- if (result != 0) {
- return nil;
- }
- return randomData;
-}
-
-@end