Gem File Decryptor -

decipher = OpenSSL::Cipher.new('aes-256-gcm').decrypt decipher.key = key decipher.iv = iv decipher.auth_tag = tag decipher.auth_data = "" # Rails doesn't use additional auth data here

plaintext = decipher.update(ciphertext) + decipher.final

puts plaintext

Run it with:

ruby decrypt_gem_secrets.rb

If the master key is correct, you’ll see the raw YAML secrets. If it’s wrong, you’ll get an OpenSSL::Cipher::CipherError (authentication failure). gem file decryptor

The Gem File Decryptor is a useful tool for decrypting encrypted gem files. With its simple command-line interface and support for various encryption algorithms, it makes it easy to access the contents of encrypted gem files. By following the steps outlined in this guide, you can use the Gem File Decryptor tool to decrypt your own encrypted gem files.

Vendors like GEM Business Works (if still in business) provide legitimate decryptor utilities for lost licenses. You will need: decipher = OpenSSL::Cipher

Be prepared to pay a recovery fee ($100–$500).