28 lines
610 B
Objective-C
28 lines
610 B
Objective-C
//
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// OLMUtility.m
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// olm
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//
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// Created by Chris Ballinger on 4/8/16.
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//
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//
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#import "OLMUtility.h"
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@implementation OLMUtility
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+ (NSData*) randomBytesOfLength:(NSUInteger)length {
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uint8_t *randomBytes = malloc(length * sizeof(uint8_t));
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NSParameterAssert(randomBytes != NULL);
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if (!randomBytes) {
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return nil;
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}
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int result = SecRandomCopyBytes(kSecRandomDefault, length, randomBytes);
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if (result != 0) {
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free(randomBytes);
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return nil;
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}
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NSData *data = [NSData dataWithBytesNoCopy:randomBytes length:length freeWhenDone:YES];
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return data;
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}
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@end
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