[node.js, cipher, js] AES-CBC를 이용한 한글 암호화

    

    var plainText = 'HELLO 반갑습니다.';

    var check = /[ㄱ-ㅎ|ㅏ-ㅣ|가-힣]/;

    /**

     * 한글이 있다면 URI 인코딩을 한다.

     */

    if(check.test(plainText)){

        plainText = encodeURIComponent(plainText); 

    }

    /**

     * 16바이트 길이의 랜던 키와, Initialization Vector 값을 생성

     */

    var key = forge.random.getBytesSync(16);

    var iv = forge.random.getBytesSync(16);

    var cipher = forge.cipher.createCipher('AES-CBC', key);

    cipher.start({ iv: iv });

    cipher.update(forge.util.createBuffer(plainText));

    cipher.finish();

    console.log('AES-CBC Encrypted(base64) : ' + forge.util.encode64(cipher.output.bytes()));

    

    var decipher = forge.cipher.createDecipher('AES-CBC', key);

    decipher.start({ iv: iv });

    decipher.update(forge.util.createBuffer(cipher.output));

    decipher.finish();

    try{

        result = decodeURIComponent(decipher.output);

    }catch(e){

        result = decipher.output;

    }

    console.log('AES-CBC Decrypted : ' + result);