2014/10/15 下午 10:03:31

iphone Programming Glossary: aes256

iOS 5: Data encryption AES-256 EncryptWithKey: not found

http://stackoverflow.com/questions/11482470/ios-5-data-encryption-aes-256-encryptwithkey-not-found

to use a category your class add a #import NSData Encryption.h NSData Encryption.h @interface NSData Encryption NSData AES256EncryptWithKey NSString key NSData AES256DecryptWithKey NSString key @end NSData Encryption.m #import NSData Encryption.h.. NSData Encryption.h NSData Encryption.h @interface NSData Encryption NSData AES256EncryptWithKey NSString key NSData AES256DecryptWithKey NSString key @end NSData Encryption.m #import NSData Encryption.h #import CommonCrypto CommonCryptor.h @implementation.. Encryption.m #import NSData Encryption.h #import CommonCrypto CommonCryptor.h @implementation NSData Encryption NSData AES256EncryptWithKey NSString key 'key' should be 32 bytes for AES256 will be null padded otherwise char keyPtr kCCKeySizeAES256..

AES Encryption for an NSString on the iPhone

http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone

right direction to be able to encrypt a string returning another string with the encrypted data I've been trying with AES256 encryption. I want to write a method which takes two NSString instances one being the message to encrypt and the other being.. NSString secret @ text to encrypt NSData plain secret dataUsingEncoding NSUTF8StringEncoding NSData cipher plain AES256EncryptWithKey key printf s n cipher description UTF8String plain cipher AES256DecryptWithKey key printf s n plain description.. NSData cipher plain AES256EncryptWithKey key printf s n cipher description UTF8String plain cipher AES256DecryptWithKey key printf s n plain description UTF8String printf s n NSString alloc initWithData plain encoding NSUTF8StringEncoding..

Encrypted NSData to NSString in obj-c?

http://stackoverflow.com/questions/1417893/encrypted-nsdata-to-nsstring-in-obj-c

NSData to NSString in obj c I have an iPhone app which encrypts an inputted NSString using CCCrypt AES256 and a plaintext key. The string and key are given to the encryption method which returns an NSData object. Requesting data..

AES256 String encryption on PHP and decryption on iPhone

http://stackoverflow.com/questions/4455104/aes256-string-encryption-on-php-and-decryption-on-iphone

String encryption on PHP and decryption on iPhone i have this on my php code iv_size mcrypt_get_iv_size MCRYPT_RIJNDAEL_256..

iPHone - AES 256 encryption without padding

http://stackoverflow.com/questions/4540725/iphone-aes-256-encryption-without-padding

usign cocoa. One of the post is http pastie.org 426530 But all the posts are using some kind of padding. How can I use AES256 encryption without using any padding Because I'm communicating with a server on which encryption decryption is handled without..

AESCrypt decryption between iOS and PHP

http://stackoverflow.com/questions/6461419/aescrypt-decryption-between-ios-and-php

then it gets decrypted inside PHP where it gets stored into a database . This code NSString encryptedString @ Hello AES256EncryptWithKey @ a16byteslongkey NSLog @ The strign encrypted @ encryptedString Returns the string encrypted 7opqbb7sEVNoXplyQv.. and experimenting a lot but still far from achieving usable results. This is what I got so far Original string Hello AES256Encrypt result 7opqbb7sEVNoXplyQv X8 base64_decode Decrypted 簾 jm職穫Sh^ ┴B藩 mcrypt_rijndael_128 簪疇竄鬚獺s2 u mcrypt_rijndael_128.. Disclaimer I have zero iPhone development experience. Short answer what tc. said. Something is horribly wrong with the AES256EncryptWithKey Being AES256 you would expect it to require a 32 byte key not a 16 byte key. But OK say it pads shorter keys..

Encryption App approval from Apple

http://stackoverflow.com/questions/8736298/encryption-app-approval-from-apple

App approval from Apple I created an app for storing username passwords etc using publicly available AES256 encryption algorithm. I didn't write this code just copied and pasted it from the web and included it in my app. NSData.. algorithm. I didn't write this code just copied and pasted it from the web and included it in my app. NSData AES256EncryptWithKey NSString key NSData AES256DecryptWithKey NSString key Now for the million dollar question. What kind of approval.. code just copied and pasted it from the web and included it in my app. NSData AES256EncryptWithKey NSString key NSData AES256DecryptWithKey NSString key Now for the million dollar question. What kind of approval process do I need to go through in..