Supported & Unsupported Encryption Algorithms Phoebe August 18, 2020 07:19 Updated Canary Mail uses the open source Bouncy Castle encryption library, which supports the latest encryption algorithms: https://www.bouncycastle.org/specifications.html Related articles Auto vs Manual Mode - Which is Right For You? Setting Up Manual Encryption Mode Imported Keys Won’t Save, Encryption / Decryption Error, Signature is Invalid Why Can't I Download All Emails in Canary? Styling Text in Canary Comments 1 comment Sort by Date Votes Kris October 31, 2020 07:19 Edited You do not seem to be supporting signing with subkeys. My parent secret key is only used for [C]ertify. Underneath are subkeys for [A]uthenticate, [E]ncrypt and [S]ign. Your product seems to always be using the parent key, which is incorrect and results in wrongly encrypted messages that cannot be decrypted anymore. 0 Please sign in to leave a comment.