Objective-C-RSA

Doing RSA encryption with Objective-C iOS

If you have the same qustion as mine: iOS Objective-C RSA encrypt with only public key and descrypt with PHP

History

2015-09-26

• New functions:
  • (NSString *)decryptString:(NSString *)str privateKey:(NSString *)privKey;
  • (NSData *)decryptData:(NSData *)data privateKey:(NSString *)privKey;

Usage

#import "RSA.h"
	
NSString *pubkey = @"-----BEGIN PUBLIC KEY-----\nMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDLuwt30JLYFvKcFOUdjPuDRdqv\nSnDb5TSdA/w0ND/GwLExpT66DeRz9+6//G//Y0y3c/yWT14k/ab1vID4U6W3vOgr\nafC0RyuIgH8ooCTNQpU+LtIoZ6qCejnux7VZ5lwWeT/9DQjWOtf6TopeRdzmOX09\nwa7c5xGGUsmi29QxDQIDAQAB\n-----END PUBLIC KEY-----";
NSString *ret = [RSA encryptString:@"hello world!" publicKey:pubkey];
NSLog(@"encrypted: %@", ret);

The PHP script for testing

See encrypt.php in the repository.

Swift version

• https://github.com/btnguyen2k/swift-rsautils