RustでAES-256-CBC暗号化 - Qiita

use aes::Aes256; use block_modes::{BlockMode, Cbc}; use block_modes::block_padding::Pkcs7; use rand::seq::SliceRandom; type AesCbc = Cbc<Aes256, Pkcs7>; // ランダム文字列の元 const BASE_STR: &str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; // IV用にランダム文字列生成 fn gen_ascii_chars(size: usize) -> String { let mut rng = &mut rand::thread_rng(); String::from_utf8( BASE_STR.as_bytes() .choos