Is there any algorithm to encrypt/decrypt the image in iPhone with password protection?
Is there any algorithm to encrypt/decrypt the image in iPhone with password protection?
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Is there any algorithm to encrypt/decrypt the image in iPhone with password protection?
There are a lot of algorithms available through OpenSSL, like AES and 3DES. OpenSSL isn’t easy to use but it’s mighty. Also, there are a lot of tutorials out there. For example, here’s a sample on how to en/decrypt with AES in plain C.
And then there’s the CommonCrypto library. See the question AES Encryption for an NSString on the iPhone, the part you’re likely most interested in are methods that extend NSData for encryption and decryption with AES.