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Editorial Team
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Asked: 2026-05-13T10:14:08+00:00

I am searching for some cocoa code on AES encryption and I did some

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I am searching for some cocoa code on AES encryption and I did some google search for it. I found this very useful link –
http://iphonedevelopment.blogspot.com/2009/02/strong-encryption-for-cocoa-cocoa-touch.html. So I tried it but it did not work for me.

Can anyone suggest me some useful link or source code which can help me to implement it in my sample application.

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1 Answer

  1. Editorial Team

    AES128 encryption is available on the iPhone in the CommonCrypto framework. The relevant functions are in the CommonCryptor.h header.

    You can create a cryptor like so:

    // Assume key and keylength exist
CCCryptorRef cryptor;
if(kCCSuccess != CCCryptorCreate(kCCEncrypt, kCCAlgorithmAES128, 0, key, keyLength, NULL, &cryptor))
  ; //handle error

// Repeatedly call CCCryptorUpdate to encrypt the data

CCCryptorRelease(cryptor);

    It seems from the question and the link that you are looking for example implementations of AES. I would not recommend this- use Apple’s implementation!

    It looks like http://pastie.org/297563.txt might help you also, but I haven’t tested it.

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