I am trying to generate a key using Java. To be honest I am not that experienced with keys, password, ciphers and encryption. And from whatever I have searched from this site, I see it as a very common problem. I did some reading and came up with this code that I wrote: This is modified from an answer that
Tag: encryption
Plain text encrypt from Dart code but decrypt from Java code
When I encrypt plain text using Dart,and encrypted text is decrypted from Java code, I get this error: Same IV, salt and passphase value using Java side for key generation, but the generated key is different and also cipher test is different. I am using same method for key generation. I don’t know what is missing in Dart code. Dart
SHA1 signature created in Java not being verified in PHP
I am creating an RSA signature in Java and sending it in the Auth header to a PHP server which is then verifying it. The problem is that although the signature is being verified in Java, it is failing in PHP. How do I fix this? My PHP code where I’m verifying the sign: Update: I am now signing like
How to reproduce Java MessageDigest SHA-1 secret key to be used in MySQL AES_encrypt
I have a function to prepare secret key for encryption and decryption using Java: However, for the old records from database, I would like to manually encrypt using a MySQL query. I have tried using the query below, but the result is different from the result by the Java application. Anyone can advise? or is there any other method to
How to decrypt a string in PHP that was encrypted in Java?
I tried to decrypt en encrypted string in JAVA with to code below. How can I get the same result with PHP version? I tried to write in PHP and It outputs with wrong result. Answer The build3DesKey() function expands a too short 3DES key to 24 bytes by padding the end with 0x00 values, for too long keys the
How to decrypt a password protected RSA key in java?
I’m writing a code to consume a private key to encrypt and decrypt a message. The problem is that the key i use is protected by a passphrase. So i have to decrypt the key itself before use it to encrypt and decrypt. This is the header of the key content: How can I achieve that in Java? Answer This
Java AES Decryption with keyFile using BouncyCastle SSL
I am trying to write a Java code decrypt a file encrypted with AES256 using BouncyCastle compatible with OpenSSL decryption. s_key is the file provided which contains the key that will be used to encrypt and decrypt Steps to be done: 1 – Read the key file 2 – Use the key provided to decrypt file inputfilename Below I have
AES Encryption algorithms and padding scheme
Hello currently i have to do an AES encription and send it to an external SW but i am having trouble with the sonarqube. this is the relevant part of my current code: Is a little spaguetti cause it´s recyclated for an old code (TripleDES) sorry for that. But we can get the gist of it that`s that we are
Best practice for storing TOKEN/password in Java
I’m working on a Java application that interacts with a REST API. To communicate with this API, I must use TOKEN, all these TOKEN are sensitive data and I cannot write in my code. So I’m looking for a way like a configuration file to store the TOKEN and access it. Currently, I made an XML file with all my
How can I add support for PBEWithMD5AndTripleDES algorithm in modern OpenJDK based JVM (Semeru)
I’m trying to run some legacy code using Semeru: But this code depends on a proprietary Oracle cipher not included in OpenJDK anymore so when running: I’m getting an exception: I’ve tried including Bouncy Castle as an alternative provider, but without luck. Any chance of getting some open source provider I can include that supports this? I’ve tried specifying the