# hcid Holochain base32 encoding scheme for keys, agents, identifiers, etc. ```rust extern crate hcid; fn main() { let enc = hcid::HcidEncoding::with_kind("hcs0").unwrap(); let key = enc.encode(&[0; 32]).unwrap(); assert_eq!("HcSciaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", key); let buffer = enc.decode(&key).unwrap(); assert_eq!([0; 32].to_vec(), buffer); } ```