kauma/src/tasks/tasks01/sea128.rs
2024-10-23 10:24:13 +02:00

61 lines
1.9 KiB
Rust

use anyhow::{anyhow, Result};
use base64::prelude::*;
use serde_json::Value;
use crate::utils::ciphers::{sea_128_decrypt, sea_128_encrypt};
pub fn sea128(args: &Value) -> Result<String> {
let key_string: String = serde_json::from_value(args["key"].clone())?;
//let key: &[u8] = b64_2_num(key_string)?.to_ne_bytes();
let key = BASE64_STANDARD.decode(key_string)?;
//eprintln!("{:?}", key);
let input_string: String = serde_json::from_value(args["input"].clone())?;
//let plaintexts: &[u8] = &b64_2_num(plaintexts_string)?.to_ne_bytes();
let input = BASE64_STANDARD.decode(input_string)?;
let xor_val: u128 = 0xc0ffeec0ffeec0ffeec0ffeec0ffee11;
let mode: String = serde_json::from_value(args["mode"].clone())?;
match mode.as_str() {
"encrypt" => {
//eprintln!("{:?}", plaintexts);
let output = BASE64_STANDARD.encode(sea_128_encrypt(&key, &input)?);
Ok(output)
}
"decrypt" => {
let output = BASE64_STANDARD.encode(sea_128_decrypt(&key, &input)?);
Ok(output)
}
_ => Err(anyhow!("Failure. no valid mode detected")),
}
}
#[cfg(test)]
mod tests {
use std::fs;
use anyhow::Result;
use serde_json::json;
// Note this useful idiom: importing names from outer (for mod tests) scope.
use super::*;
#[test]
fn test_sea128_encrypt() -> Result<()> {
let args = json!({"mode" : "encrypt", "key" : "istDASeincoolerKEYrofg==", "input" : "yv66vvrO263eyviIiDNEVQ=="});
assert_eq!(sea128(&args)?, "D5FDo3iVBoBN9gVi9/MSKQ==");
Ok(())
}
#[test]
fn test_sea128_decrypt() -> Result<()> {
let args = json!({"mode" : "decrypt", "key" : "istDASeincoolerKEYrofg==", "input" : "D5FDo3iVBoBN9gVi9/MSKQ=="});
assert_eq!(sea128(&args)?, "yv66vvrO263eyviIiDNEVQ==");
Ok(())
}
}