Without getting too deep into technical details, passwords can't be decrypted because they're not encrypted in the first place - they're hashed. Hashing is a one-way process, which is what you want with passwords. That's not something that is ever going to change in ASPDNSF, and any software that does offer that ability has a serious security vulnerability.
There's a lot of good info on this online, such as at https://www.securityinnovationeurope.com/blog/page/whats-the-difference-between-hashing-and-encrypting
