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