From 2a8202e74846d191a321cca1202175af9db6107d Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Thu, 5 Nov 2020 01:45:06 +0100
Subject: Convert to sibs project

---
 xcode/OLMKit/OLMUtility.m | 121 ----------------------------------------------
 1 file changed, 121 deletions(-)
 delete mode 100644 xcode/OLMKit/OLMUtility.m

(limited to 'xcode/OLMKit/OLMUtility.m')

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
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