As the title suggests, I would like to know if there is a way to encrypt and decrypt, using for example the RSA algorithm, data from javascript to dart and the opposite. I saw that there is a libra...

I'm sorry to ask your skills about a question asked so many times. I have an issue about RSA crypthography. I've already checked the other topics about this issue but i didn't find any helpful answ...

This problem is related to TOTP as specified in RFC6238 here: https://www.rfc-editor.org/rfc/rfc6238#section-1.2. I am to implement the RFC6238 to generate a 10-digit TOTP password, which will be u...

I am trying to connect to remote sftp server over ssh with JSch (0.1.44-1) but during session.connect(); I am getting this exception: com.jcraft.jsch.JSchException: Algorithm negotiation fail at c...

Jasypt (https://github.com/jasypt/jasypt) and the according Spring Boot integration (https://github.com/ulisesbocchio/jasypt-spring-boot) do not really seem to be alive any longer. issues with the...

How exactly does encryption key rotation work? I understand it's a very good practice to continuously rotate your encryption keys for security purposes, but rotating a key would require too much wo...

I am trying to read an RSA private key into .Net using BouncyCastle to test data I have previously encrypted. The encrypted data is working fine using the public key and Bouncy Castle and I have al...

macos Ventura 13.4 (22F66) GNU Emacs 28.2 (build 1, x86_64-apple-darwin22.4.0, NS appkit-2299.50 Version 13.3.1 (a) (Build 22E772610a)) of 2023-05-31 org-mode 9.5.5 installed using homebrew emacs-p...

When I enter my password for superuser privileges or to log in to my Linux box, if I enter it correctly, it returns immediately, granting me access. However, if I make some typo, there is a long wa...

I have a problem generating the same ciphertext in JavaScript as provided in a third party PHP server. The server side uses a simple one-liner to generate a key, but I can't find a way to do the sa...

JWTs have 3 parts: HEADER:ALGORITHM & TOKEN TYPE PAYLOAD:DATA SIGNATURE TO BE VERIFIED WITH THE SECRET KEY Is it possible to encrypt the payload? Following is my token's payload: { "iss&...

I want to set up a headless Linux (Debian Wheezy) PC with whole disk encryption, with the ability to unlock the disk either with a USB drive, or by entering a passphrase by keyboard. My start...

I'm trying to implement encrypt/decrypt functions using aes-128-gcm as provided by node crypto. From my understanding, gcm encrypts the ciphertext but also hashes it and provides this as an 'authen...

I have the following code which I would like to see as a oneliner. However, since I am very new to C#, I currently have no clue on how to do this... Code: static string ROT13 (string input) { if...

I have the following byte array that I would like to obtain hex format in order to decrypt an encrypted string using aes-256-ecb. (PowerShell uses AES encryption if you specify key argument in Conv...

I'm only asking this because I have read many posts for 2 days now about crypto AES encryption, and just when I thought I was getting it, I realized I wasn't getting it at all. This post is the c...

I am using following functions to encrypt/decrypt strings in Node.js: var crypto = require('crypto'); var algorithm = 'aes-256-ctr'; function encrypt(text) { var cipher = crypto.createCipher(algor...

I want to use encryption algorithm available in .Net Security namespace, however I am trying to understand how to generate the key, for example AES algorithm needs 256 bits, that 16 bytes key, and ...

Is there any way (in built or add-on) to encrypt individual files in a repository, accessible by limited people. Files when checked in by those folks will auto encrypt and decrypt when checked out....

I have access to config.action_dispatch.encrypted_cookie_salt config.action_dispatch.encrypted_signed_cookie_salt secrets.secret_key_base the full cookie string (including --) I see ways to do ...

I am trying to decrypt PGP encrypted string using the BouncyCastle PGP SDK. I have tried several approaches and in each case I get a following error at the beginning of the process (exact place sh...

I'm using a string Encryption/Decryption class similar to the one provided here as a solution. This worked well for me in .Net 5. Now I wanted to update my project to .Net 6. When using .Net 6, the...

I need to create HmacSHA256 from a string with a private key... I use react-native-crypto-js but I cant use it's HmacSHA256 method, it keeps getting me "undefined function" error, here is my code: ...

I am trying to do a simple AES encryption in Java, using Java Cryto, that can then be decrypted in ObjectiveC, using OpenSSL. as I am not doing the ObjectiveC side, I want to make sure it works, u...

The common location where SharedPreferences are stored in Android apps is: /data/data/<package name>/shared_prefs/<filename.xml> User with root privileges can navigate to this locati...