mirror of
https://github.com/smallmain/cocos-enhance-kit.git
synced 2025-01-15 07:21:07 +00:00
27 lines
783 B
Objective-C
27 lines
783 B
Objective-C
//
|
|
// Copyright (c) 2016-present, Facebook, Inc.
|
|
// All rights reserved.
|
|
//
|
|
// This source code is licensed under the BSD-style license found in the
|
|
// LICENSE file in the root directory of this source tree. An additional grant
|
|
// of patent rights can be found in the PATENTS file in the same directory.
|
|
//
|
|
|
|
#import "SRRandom.h"
|
|
|
|
#import <Security/SecRandom.h>
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
NSData *SRRandomData(NSUInteger length)
|
|
{
|
|
NSMutableData *data = [NSMutableData dataWithLength:length];
|
|
int result = SecRandomCopyBytes(kSecRandomDefault, data.length, data.mutableBytes);
|
|
if (result != 0) {
|
|
[NSException raise:NSInternalInconsistencyException format:@"Failed to generate random bytes with OSStatus: %d", result];
|
|
}
|
|
return data;
|
|
}
|
|
|
|
NS_ASSUME_NONNULL_END
|