| 1 | //
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| 2 | // RNRandom.m
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| 3 | // randombytes
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| 4 | //
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| 5 | // Created by Mark Vayngrib on 10/13/15.
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| 6 | // Copyright (c) 2015 Facebook. All rights reserved.
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| 7 | //
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| 8 |
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| 9 | #import "RNRandomBytes.h"
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| 10 | #import "RCTBridgeModule.h"
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| 11 | #import "RCTBridge.h"
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| 12 |
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| 13 | @implementation RNRandomBytes
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| 14 |
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| 15 | RCT_EXPORT_MODULE()
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| 16 |
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| 17 | @synthesize bridge = _bridge;
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| 18 |
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| 19 | RCT_EXPORT_METHOD(randomBytes:(NSUInteger)length
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| 20 | callback:(RCTResponseSenderBlock)callback)
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| 21 | {
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| 22 | callback(@[[NSNull null], [self randomBytes:length]]);
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| 23 | }
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| 24 |
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| 25 | - (NSString *) randomBytes:(NSUInteger)length
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| 26 | {
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| 27 | NSMutableData* bytes = [NSMutableData dataWithLength:length];
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| 28 | SecRandomCopyBytes(kSecRandomDefault, length, [bytes mutableBytes]);
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| 29 | return [bytes base64EncodedStringWithOptions:0];
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| 30 | }
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| 31 |
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| 32 | - (NSDictionary *)constantsToExport
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| 33 | {
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| 34 | return @{
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| 35 | @"seed": [self randomBytes:4096]
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| 36 | };
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| 37 | };
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| 38 |
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| 39 | @end
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