rcrypto has a stack buffer overflow

[riking]

https://github.com/mengsuenyan/rcrypto/issues/1 https://asan.saethlin.dev/ub?crate=rcrypto&version=0.2.0

Crate has no dependents: https://crates.io/crates/rcrypto/reverse_dependencies

Check in after a few months to see if there's any response. Probably needs an unmaintained advisory since it mentions cryptography