Function encrypt 

pub fn encrypt<T: Read>(input: T, key: &str) -> Result<String, VaultError>

Encrypt message to string without formatting (no header, no carriage returns)

Arguments

• input : a data reader (&u8, file, etc…) to the message
• key : the key to use encrypt

Example

 let lipsum = "Lorem ipsum dolor";
 let decoded = encrypt(lipsum.as_bytes(),"hush").unwrap();