I have a value that was encrypted using PHP openssl using cipher AES-CBC-256 but the passphrase for the final value was also encrypted using the same method. openssl_encrypt($key, $cipher, $passphrase,...

We have been using FPDF on our AWS EC2 instances for many years and for some of the documents, we use the SetProtection script to encrypt them, allowing only "print" as the possible option. ...

I'm trying to verify a signature using the Volume API for make a payment. According to them, I need to, To verify the signature, consume the original, unmodified payload sent from Volume and verify it ...

I have a PHP script that will encrypt data to store in a database, but when I run the script, the openssl_encrypt returns false with the error: "error:1C800066:Provider routines::cipher operation ...

I am trying to create CSR using PHP and OpenSSL extension, but when I do that it gives me an error which says: Failed to generate private key: error:2006D080:BIO routines:BIO_new_file:no such file ...

I'm experiencing an issue with PHP Sodium encryption and decryption. Despite ensuring that the keys, configuration, and environments are consistent, decryption consistently fails. PHP Version 8.2 ...

To get the public certificate (PEM) for a website in FireFox, I do this: Go to website, eg., https://stackoverflow.com , and click on padlock icon in address bar. Click on Connection secure -> ...

I am try to Encrypt data in JS and Decrypt it in PHP using AES encryption algorithm in GCM and Base64 encoding. But during decryption I always get false as result without any openssl error. I have ...