11. Encryption required for requested authentication mechanism12. Failed to set symmetric key for encryption. 13. Failed to initialize the encryption cipher slot. 14. Encryption certificate for '%s' does not exist15. The encryption passphrase was retrieved from the keyring 16. Unsupported encryption type for multipart/encrypted 17. No compatible application for encryption is available. 18. Encryption package installation failure19. Encryption is not supported by this cipher20. Use point-to-point encryption (MPPE)
