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iphone Programming Glossary: encryptIphone - How to encrypt NSData with public key and decrypt with private key? http://stackoverflow.com/questions/10072124/iphone-how-to-encrypt-nsdata-with-public-key-and-decrypt-with-private-key How to encrypt NSData with public key and decrypt with private key I am converting a UIImage to NSData. Now I need to encrypt that NSData.. How to encrypt NSData with public key and decrypt with private key I am converting a UIImage to NSData. Now I need to encrypt that NSData using a public key and I need to decrypt using a private key. Please provide a step by step procedure. Which.. a private key. Please provide a step by step procedure. Which algorithm do I need to use Is there any good library for encryption and decryption Also provide some code snippet for encryption and decryption. iphone encryption nsdata decrypt share..
RSA implementations in Objective C http://stackoverflow.com/questions/10222524/rsa-implementations-in-objective-c use it on Server Client Communications. I need help in RSA Algorithm Implementation in iOS iPhone. I have knowledge of encryption and decryption. I want an opensource library or code to add into my project. I have to go though CommonCryptor.h . iphone.. ViewController UIViewController SecKeyRef publicKey SecKeyRef privateKey NSData publicTag NSData privateTag void encryptWithPublicKey uint8_t plainBuffer cipherBuffer uint8_t cipherBuffer void decryptWithPrivateKey uint8_t cipherBuffer plainBuffer.. inputString len NSLog @ init plainBuffer s plainBuffer NSLog @ init sizeof plainBuffer d sizeof plainBuffer self encryptWithPublicKey UInt8 plainBuffer cipherBuffer cipherBuffer NSLog @ encrypted data s cipherBuffer NSLog @ init sizeof cipherBuffer..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone Encryption for an NSString on the iPhone Can anybody point me in the 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.. iPhone Can anybody point me in the 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.. 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 a 'passcode'..
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.. 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 description where 'data' is the encrypted string data gives an.. key are given to the encryption method which returns an NSData object. Requesting data description where 'data' is the encrypted string data gives an NSString like 0b368353 a707e7de 3eee5992 ee69827e e3603dc2 b0dbbc0b 861ca87d f39ce72a but when I..
How can I encrypt CoreData contents on an iPhone http://stackoverflow.com/questions/1645007/how-can-i-encrypt-coredata-contents-on-an-iphone can I encrypt CoreData contents on an iPhone I have some information I'd like to store statically encrypted on an iPhone application... can I encrypt CoreData contents on an iPhone I have some information I'd like to store statically encrypted on an iPhone application. I'm new to iPhone development some I'm not terribly familiar with CoreData and how it integrates.. I can easily put it into a SQLITE3 database or any other backing data format. I'll take whatever is easiest a to encrypt and b to integrate with the iPhone view layer. The user will need to enter the password to decrypt the data each time the..
send RSA public key to iphone and use it to encrypt http://stackoverflow.com/questions/4211484/send-rsa-public-key-to-iphone-and-use-it-to-encrypt RSA public key to iphone and use it to encrypt I have a TCP socket server and I want to do the following w o using SSL On server make RSA key pair I know how to do this.. openssl's crypto library On server send the public key to iphone and keep the private key. On client iphone want to encrypt a message using the public key using SecKeyEncrypt. On server decrypt the message. The message is short enough so that the.. Anyone knows iphone c cryptography openssl rsa share improve this question This should do what you're asking it encrypts data with the server's public key. It's not subject to MITM attacks unless the attacker has a copy of your private key..
AES interoperability between .Net and iPhone? http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone interoperability between .Net and iPhone I need to encrypt a string on the iPhone and send it to a .Net web service for decryption. I am able to encrypt decrypt on the iPhone and.. and iPhone I need to encrypt a string on the iPhone and send it to a .Net web service for decryption. I am able to encrypt decrypt on the iPhone and with .Net but the encrypted strings from the iPhone cannot be decrypted by .Net. The error I get.. and send it to a .Net web service for decryption. I am able to encrypt decrypt on the iPhone and with .Net but the encrypted strings from the iPhone cannot be decrypted by .Net. The error I get is Padding is invalid and cannot be removed. The..
RSA Encryption-Decryption in iphone http://stackoverflow.com/questions/788569/rsa-encryption-decryption-in-iphone NSLog I am getting . Can we pass these key objects over network to other application which might be in java Can we encrypt some text in iphone application send it to server using the key sent decrypt the text on server side Edited to add Thanks.. is in the form of SecKeyRef objects. Then we will pass that reference to SecKeyEncrypt SecKeyDecrypt methods. when i encrypt decrypt locally it is working perfect but if i try to send the key encrypted data to server decrypt at server java implementation.. SecKeyEncrypt SecKeyDecrypt methods. when i encrypt decrypt locally it is working perfect but if i try to send the key encrypted data to server decrypt at server java implementation side I am not able to pass the SecKeyRef object to server as a key..
Iphone - How to encrypt NSData with public key and decrypt with private key? http://stackoverflow.com/questions/10072124/iphone-how-to-encrypt-nsdata-with-public-key-and-decrypt-with-private-key for encryption and decryption. iphone encryption nsdata decrypt share improve this question I have tried RSA Encryption and Decryption for NSString and you may well modify it and make it work for NSData Add Security.Framework to your project.. cipherBuffer plainBuffer uint8_t plainBuffer SecKeyRef getPublicKeyRef SecKeyRef getPrivateKeyRef void testAsymmetricEncryptionAndDecryption void generateKeyPair NSUInteger keySize @end ViewController.m file code is as follows #import ViewController.h.. super didReceiveMemoryWarning Release any cached data images etc that aren't in use. void testAsymmetricEncryptionAndDecryption uint8_t plainBuffer uint8_t cipherBuffer uint8_t decryptedBuffer const char inputString How to Encrypt data..
RSA implementations in Objective C http://stackoverflow.com/questions/10222524/rsa-implementations-in-objective-c to go though CommonCryptor.h . iphone objective c ios ios4 xcode4 share improve this question I have tried RSA Encryption and Decryption for NSString. Here is the code Add Security.Framework to your project bundle. ViewController.h code is.. cipherBuffer plainBuffer uint8_t plainBuffer SecKeyRef getPublicKeyRef SecKeyRef getPrivateKeyRef void testAsymmetricEncryptionAndDecryption void generateKeyPair NSUInteger keySize @end ViewController.m file code is as follows #import ViewController.h.. super didReceiveMemoryWarning Release any cached data images etc that aren't in use. void testAsymmetricEncryptionAndDecryption uint8_t plainBuffer uint8_t cipherBuffer uint8_t decryptedBuffer const char inputString This is a test demo..
How to decrypt an encrypted Apple iTunes iPhone backup? http://stackoverflow.com/questions/1498342/how-to-decrypt-an-encrypted-apple-itunes-iphone-backup iPhone OS Enterprise Deployment Guide states that Device backups can be stored in encrypted format by selecting the Encrypt iPhone Backup option in the device summary pane of iTunes. Files are encrypted using AES128 with a 256 bit key. The key..
AES256 String encryption on PHP and decryption on iPhone http://stackoverflow.com/questions/4455104/aes256-string-encryption-on-php-and-decryption-on-iphone
Encrypt and decrypt algorithm for image in iPhone? http://stackoverflow.com/questions/6016318/encrypt-and-decrypt-algorithm-for-image-in-iphone and decrypt algorithm for image in iPhone Is there any algorithm to encrypt decrypt the image in iPhone with password protection.. 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..
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