session-ios/SignalMessaging/utils/CryptoTools.m

//
//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//

#import "CryptoTools.h"

@implementation CryptoTools

+ (NSData *)generateSecureRandomData:(NSUInteger)length
{
    NSMutableData *d = [NSMutableData dataWithLength:length];
    OSStatus status = SecRandomCopyBytes(kSecRandomDefault, length, [d mutableBytes]);
    if (status != noErr) {
        [SecurityFailure raise:@"SecRandomCopyBytes failed"];
    }
    return [d copy];
}

@end
Clean up prekey usage. // FREEBIE 9 years ago			`//`
			`// Copyright (c) 2017 Open Whisper Systems. All rights reserved.`
			`//`

initial commit 12 years ago			`#import "CryptoTools.h"`

			`@implementation CryptoTools`

Migrate environment to SignalMessaging. 8 years ago			`+ (NSData *)generateSecureRandomData:(NSUInteger)length`
			`{`
TextSecureKit Refactoring - Using same clang format file for old and new files. - Moving out all TextSecure code to allow other clients (OS X, iOS) to integrate easily TextSecure functionality. - Use TextSecure API to signup. 10 years ago			`NSMutableData *d = [NSMutableData dataWithLength:length];`
Migrate environment to SignalMessaging. 8 years ago			`OSStatus status = SecRandomCopyBytes(kSecRandomDefault, length, [d mutableBytes]);`
Return immutable data from generateSecureRandomData:length and use OSStatus to check the status of SecRandomCopyBytes. (#1306) 9 years ago			`if (status != noErr) {`
Checking the result of SecRandomCopyBytes Built and verified by @FredericJacobs 10 years ago			`[SecurityFailure raise:@"SecRandomCopyBytes failed"];`
			`}`
Return immutable data from generateSecureRandomData:length and use OSStatus to check the status of SecRandomCopyBytes. (#1306) 9 years ago			`return [d copy];`
initial commit 12 years ago			`}`

			`@end`