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-rw-r--r--xcode/OLMKit/OLMUtility.m13
1 files changed, 5 insertions, 8 deletions
diff --git a/xcode/OLMKit/OLMUtility.m b/xcode/OLMKit/OLMUtility.m
index 0148932..5dbe644 100644
--- a/xcode/OLMKit/OLMUtility.m
+++ b/xcode/OLMKit/OLMUtility.m
@@ -10,19 +10,16 @@
@implementation OLMUtility
-+ (NSData*) randomBytesOfLength:(NSUInteger)length {
- uint8_t *randomBytes = malloc(length * sizeof(uint8_t));
- NSParameterAssert(randomBytes != NULL);
- if (!randomBytes) {
++ (NSMutableData*) randomBytesOfLength:(NSUInteger)length {
+ NSMutableData *randomData = [NSMutableData dataWithLength:length];
+ if (!randomData) {
return nil;
}
- int result = SecRandomCopyBytes(kSecRandomDefault, length, randomBytes);
+ int result = SecRandomCopyBytes(kSecRandomDefault, randomData.length, randomData.mutableBytes);
if (result != 0) {
- free(randomBytes);
return nil;
}
- NSData *data = [NSData dataWithBytesNoCopy:randomBytes length:length freeWhenDone:YES];
- return data;
+ return randomData;
}
@end