Err(e) => Err(e),
Save as gem_decrypt.py :
[4 bytes: magic] [4 bytes: IV length] [IV bytes] [4 bytes: key ID] [ciphertext] gem file decryptor
Your CI/CD pipeline lost RAILS_MASTER_KEY . You have a backup of credentials.yml.enc but no Rails console. A standalone decryptor saves your deployment. Err(e) => Err(e), Save as gem_decrypt
To ensure that only authorized users with a specific key can install or run the library. How to "Decrypt" and Unpack a Gem File gem file decryptor
CY-RUBY-2026-04-11 Subject: Decryption mechanisms for RubyGem (.gem) files Classification: Public / Developer Reference