a-rennie / ascii-crypt

ascii-crypt

really basic encryption program to figure out how rust works

how to use

Calling either the encode(&str) or the decode(&str) function returns a Result<String, String>. Calling encode() should return an Ok(String) with each char of the input &str replaced with a three digit ascii value, and decode returns the inverse (each three digit segment replaced with an ascii character).

main.rs also includes a basic demonstration of the program

examples

ascii_crypt::encode("example input");

returns Ok("049050051010101120097109112108101032105110112117116")

ascii_crypt::encode("049050051010101120097109112108101032111117116112117116");

returns Ok("example output")

error examples

ascii_crypt::encode("emojis don't work > 🦀") {

returns Err(EncodeError::CharNotAscii('🦀'))

ascii_crypt::decode("i am definitely a number")

returns Err(DecodeError::UnexpectedCharIn("i a")) (note that in order for this error to occur, input.len() must be divisible by 3, otherwise the error below occurs)

ascii_crypt::decode("07334")

returns Err(InvalidLength)