#import <Foundation/Foundation.h>
#include <CommonCrypto/CommonCryptor.h>

@interface Encryption : NSObject
- (void) Encrypt: (NSString *) _secret;
@end

@implementation Encryption
- (void) Encrypt: (NSString *) _secret {
const char mykey[] = { 0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41};
        const char mysec[] = { 0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42};
        //NSString *_secret = phrase;
        NSString *bufferPtr;
        size_t movedBytes=0;

        CCCryptorStatus ccStatus;
        ccStatus = CCCrypt(encrypt,
        kCCAlgorithmAES128,
        kCCOptionECBMode,
        mykey,
        kCCKeySizeAES256,
        NULL,
        mysec,
        sizeof(_secret),
        (void *)bufferPtr,
        sizeof(bufferPtr),
        &movedBytes
);

printf("encrypting %s\n", [ _secret UTF8String ]);
printf("encrypted values are:%s\n", [(NSString*) bufferPtr UTF8String]);
}

@end

int main(void) {
Encryption *enc = [ [ Encryption alloc ] init ];
[ enc Encrypt: @"Hello, world!" ];
[ enc release ];
return 0;

}