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Questions tagged [rncryptor]

An easy-to-use, Objective-C interface to the AES functionality of CommonCrypto. Simplifies correct handling of password stretching (PBKDF2), salting, and IV.

87 questions
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Creating framework that requires (depends on) another framework

I'd like to create a framework using Cocoa Touch Framework Project in Swift. However, I'm building this framework on top of another framework called RNCryptor, which is Objective-C based. I've seen various tutorials on how to create a framework in…
Donn
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Memory issues when encrypting/decrypting a large file with RNCryptor on iOS

I'm trying to use RNCryptor to encrypt and decrypt large files (600+MB) on iOS. On the github I found example code on how to use the library asynchronously on streams. This code is similar to the answer of Rob Napier on a question about this same…
Johanneke
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Dispatch queues and asynchronous RNCryptor

This is a follow-up to Asynchronously decrypt a large file with RNCryptor on iOS I've managed to asynchronously decrypt a large, downloaded file (60Mb) with the method described in this post, corrected by Calman in his answer. It basically goes like…
Cyrille
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RNCryptor not working with JSON string

Here are my method's to use RNCryptor to encrypt/decrypt a JSON string that I am sending to the web service. I am using a static IV variable which may be bad practice but please don't focus on that. Here is how I'm doing it: Note: I'm using Matt…
mkral
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Error when code signing .framework

I have used CocoaPods to install the RNCryptor framework. Which has worked perfectly on my application, and when archiving the application manually through xcode works perfectly. But when I try archive using terminal with the command: xcodebuild…
maxisme
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Convert image loaded as binary string into numpy array

Is there a method to convert an image, that is loaded as a binary string, into a numpy array of size (im_height, im_width, 3)? Something like this: # read image as binary string with open(img_path, "rb") as image_file: image_string =…
Thomas
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Undefined symbols for architecture armv7 after importing RNCryptor

I imported RNCryptor, which can be found here: https://github.com/rnapier/RNCryptor into my app. However, I've been getting three errors with this in the log. Undefined symbols for architecture armv7: "_SecRandomCopyBytes", referenced from: …
Regan
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How to encrypt in node.js and decrypt with RNCryptor

I'm having trouble encrypting data with node and decrypting with RNCryptor. My understanding is that RNCryptor uses a special data format? The cryptotext is being generated as follows: var crypto = require('crypto'); var cipher =…
Jack Rogers
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RNCryptor: Which settings to change to improve performance?

I have a lot of short strings to decrypt in my app and decryption speed is critical. Currently I am experimenting with RNCryptor but find its default settings a bit slow for my use case. Otherwise it is an awesome framework :-) Encryption will be…
AlexR
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RNCryptor IOS + Javascript encryption / decryption AES 256

I am new to encryption and i am trying to get some symmetric encryption usign AES256 going from a mobile app to a webpage through websockets. I Encrypt the data using RNCryptor default settings IOS CODE NSString* message = @"testmessage"; …
adrian.coroian
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AES encryption/decryption for a beginner

I am trying to encrypt an NSString to both NSString and NSData in Objective-C and so I began a search. I started off here, but that went way over my head, unfortunately. I then found myself at this post and it came across to be very easy to follow,…
RileyE
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RNCryptor and Python server

I'm using RNCryptor to encrypt NSData on iOS and send it to a Python server. So far, so right. My problem comes when I try decrypt NSData on server side. RNCryptor embeds all relevant data in encrypted header, but I can not get the IV in the server…
mhergon
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CoreData: ValueTransformer functions are not called

I'm storing some key/value-pairs as Strings in CoreData which - in a newer version - should now be encrypted. To not alone relying on Apples DataProtection I now want to encrypt the data before storing with RNCryptor and with the help of the…
Marc
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RNCryptor is not decrypting in iOS

I am using RNCryptor in my application. I generated an encrypted string for a plain text using a password and when I try to decrypt the encrypted string using a password, it does not give me the original plain text instead it gave me some random…
thavasidurai
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How to store Credit Card info on iOS / Android in a PCI-compliant manner

I'm building a mobile app that accepts payments. The user enters their CC details, and the payment info is submitted to a retailer's POS system over HTTPS. The POS processes the payment directly and needs the actual credit card info to work,…
DTs
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