Crypt – 水色（仮）

#!/usr/bin/python3
# -*- coding:utf-8 -*-
#
# pip  install PyCrypto
# pip3 install PyCrypto
#
# See: https://stackoverflow.com/questions/46346371/convert-openssl-aes-in-php-to-python-aes

import base64
from Crypto.Cipher import AES
from Crypto import Random
import re, random

# echo test | openssl aes-256-cbc -e -base64
encryption_encoded_key = 'U2FsdGVkX19nm8SCCdOk1RytPaIUvb2+Z7w+JfarEYo='
end_of_data_mark = b'<EOD>'

def aes_encrypt(data):
    try:
        global encryption_encoded_key, end_of_data_mark

        data += end_of_data_mark.decode()
        # Align data length
        data = data + padding(data)

        encryption_key = base64.b64decode(encryption_encoded_key)
        iv = Random.new().read(AES.block_size)
        cipher = AES.new(encryption_key, AES.MODE_CFB, iv, segment_size=128)

        # Encrypt the data using AES 256 encryption in CBC mode using our encryption key and initialization vector.
        encrypted = cipher.encrypt(data)

        return base64.b64encode(encrypted).decode(), base64.b64encode(iv).decode()

    except Exception as e:
        raise Exception(str(e))


def aes_decrypt(data, iv):
    try:
        global encryption_encoded_key, end_of_data_mark

        encryption_key = base64.b64decode(encryption_encoded_key)
        iv = base64.b64decode(iv)
        cipher = AES.new(encryption_key, AES.MODE_CFB, iv, segment_size=128)

        encrypted_data = base64.b64decode(data)
        # Align data length
        encrypted_data = encrypted_data + padding(encrypted_data).encode()

        return cipher.decrypt(encrypted_data).split(end_of_data_mark)[0].decode()

    except Exception as e:
        raise Exception(str(e))

def padding(data):
    try:
        size = len(data)
        i = int(size / AES.block_size)
        j = AES.block_size * i
        if j < size:
            j += AES.block_size
        return "".ljust(j - size, "\x00")
    except Exception as e:
        raise Exception(str(e))


if __name__ == '__main__':

    #       12345678123456781234567812345678
    data = 'Hello world!'

    data, iv = aes_encrypt(data)
    print("data = %s" % data)
    print("iv = %s" % iv)

    data = aes_decrypt(data, iv)
    print("data = %s" % data)

#!/usr/bin/python3

# -*- coding:utf-8 -*-

# pip install PyCrypto

# pip3 install PyCrypto

# See: https://stackoverflow.com/questions/46346371/convert-openssl-aes-in-php-to-python-aes

import base64

from Crypto.Cipher import AES

from Crypto import Random

import re, random

# echo test | openssl aes-256-cbc -e -base64

encryption_encoded_key = 'U2FsdGVkX19nm8SCCdOk1RytPaIUvb2+Z7w+JfarEYo='

end_of_data_mark = b'<EOD>'

def aes_encrypt(data):

try:

global encryption_encoded_key, end_of_data_mark

data += end_of_data_mark.decode()

# Align data length

data = data + padding(data)

encryption_key = base64.b64decode(encryption_encoded_key)

iv = Random.new().read(AES.block_size)

cipher = AES.new(encryption_key, AES.MODE_CFB, iv, segment_size=128)

# Encrypt the data using AES 256 encryption in CBC mode using our encryption key and initialization vector.

encrypted = cipher.encrypt(data)

return base64.b64encode(encrypted).decode(), base64.b64encode(iv).decode()

except Exception as e:

raise Exception(str(e))

def aes_decrypt(data, iv):

try:

global encryption_encoded_key, end_of_data_mark

encryption_key = base64.b64decode(encryption_encoded_key)

iv = base64.b64decode(iv)

cipher = AES.new(encryption_key, AES.MODE_CFB, iv, segment_size=128)

encrypted_data = base64.b64decode(data)

# Align data length

encrypted_data = encrypted_data + padding(encrypted_data).encode()

return cipher.decrypt(encrypted_data).split(end_of_data_mark)[0].decode()

except Exception as e:

raise Exception(str(e))

def padding(data):

try:

size = len(data)

i = int(size / AES.block_size)

j = AES.block_size * i

if j < size:

j += AES.block_size

return "".ljust(j - size, "\x00")

except Exception as e:

raise Exception(str(e))

if __name__ == '__main__':

# 12345678123456781234567812345678

data = 'Hello world!'

data, iv = aes_encrypt(data)

print("data = %s" % data)

print("iv = %s" % iv)

data = aes_decrypt(data, iv)

print("data = %s" % data)

/*
See: https://code.google.com/archive/p/crypto-js/
     https://code.google.com/archive/p/crypto-js/downloads
     https://stackoverflow.com/questions/14958103/how-to-decrypt-message-with-cryptojs-aes-i-have-a-working-ruby-example
     https://gist.github.com/marcoslin/8026990
     http://sct9.blog85.fc2.com/blog-entry-62.html
     https://fisproject.jp/2015/01/crypto-js-pycrypto-compatible/
 */

var encryption_encoded_key = 'U2FsdGVkX19nm8SCCdOk1RytPaIUvb2+Z7w+JfarEYo=';
var end_of_data_mark = '<EOD>';

function aes_encrypt(data) {
    var key = CryptoJS.enc.Base64.parse(encryption_encoded_key).toString();
    var key_hex = CryptoJS.enc.Hex.parse(key);

    var iv_base64 = iv();
    var iv_string = CryptoJS.enc.Base64.parse(iv_base64).toString();
    var iv_hex = CryptoJS.enc.Hex.parse(iv_string);
    data += end_of_data_mark;

    var result = CryptoJS.AES.encrypt(data, key_hex, {
        iv: iv_hex,
        mode: CryptoJS.mode.CFB,
        padding: CryptoJS.pad.NoPadding,
    });
    return Array(result.toString(), iv_base64);
}


function aes_decrypt(data, iv_base64) {
    var key = CryptoJS.enc.Base64.parse(encryption_encoded_key).toString();
    var key_hex = CryptoJS.enc.Hex.parse(key);

    var iv_string = CryptoJS.enc.Base64.parse(iv_base64).toString();
    var iv_hex = CryptoJS.enc.Hex.parse(iv_string);

    var cipher = CryptoJS.lib.CipherParams.create({
        ciphertext: CryptoJS.enc.Base64.parse(data),
    });
    var result = CryptoJS.AES.decrypt(cipher, key_hex, {
        iv: iv_hex,
        mode: CryptoJS.mode.CFB,
        padding: CryptoJS.pad.NoPadding,
    });
    result = result.toString(CryptoJS.enc.Utf8).split(end_of_data_mark, 1)[0];
    return result;
}

function iv() {
    var rawStr = CryptoJS.lib.WordArray.random(128 / 16);
    var wordArray = CryptoJS.enc.Utf8.parse(rawStr);
    var base64 = CryptoJS.enc.Base64.stringify(wordArray);
    return base64;
}

(function () {

    var data = 'Hello world!';

    var e = aes_encrypt(data);
    var data = e[0];
    var iv = e[1];
    console.log('data = ' + data);
    console.log('iv = ' + iv);

    var d = aes_decrypt(data, iv);
    console.log('data = ' + d);

})();

See: https://code.google.com/archive/p/crypto-js/

https://code.google.com/archive/p/crypto-js/downloads

https://stackoverflow.com/questions/14958103/how-to-decrypt-message-with-cryptojs-aes-i-have-a-working-ruby-example

https://gist.github.com/marcoslin/8026990

http://sct9.blog85.fc2.com/blog-entry-62.html

https://fisproject.jp/2015/01/crypto-js-pycrypto-compatible/

var encryption_encoded_key = 'U2FsdGVkX19nm8SCCdOk1RytPaIUvb2+Z7w+JfarEYo=';

var end_of_data_mark = '<EOD>';

function aes_encrypt(data) {

var key = CryptoJS.enc.Base64.parse(encryption_encoded_key).toString();

var key_hex = CryptoJS.enc.Hex.parse(key);

var iv_base64 = iv();

var iv_string = CryptoJS.enc.Base64.parse(iv_base64).toString();

var iv_hex = CryptoJS.enc.Hex.parse(iv_string);

data += end_of_data_mark;

var result = CryptoJS.AES.encrypt(data, key_hex, {

iv: iv_hex,

mode: CryptoJS.mode.CFB,

padding: CryptoJS.pad.NoPadding,

});

return Array(result.toString(), iv_base64);

}

function aes_decrypt(data, iv_base64) {

var key = CryptoJS.enc.Base64.parse(encryption_encoded_key).toString();

var key_hex = CryptoJS.enc.Hex.parse(key);

var iv_string = CryptoJS.enc.Base64.parse(iv_base64).toString();

var iv_hex = CryptoJS.enc.Hex.parse(iv_string);

var cipher = CryptoJS.lib.CipherParams.create({

ciphertext: CryptoJS.enc.Base64.parse(data),

});

var result = CryptoJS.AES.decrypt(cipher, key_hex, {

iv: iv_hex,

mode: CryptoJS.mode.CFB,

padding: CryptoJS.pad.NoPadding,

});

result = result.toString(CryptoJS.enc.Utf8).split(end_of_data_mark, 1)[0];

return result;

}

function iv() {

var rawStr = CryptoJS.lib.WordArray.random(128 / 16);

var wordArray = CryptoJS.enc.Utf8.parse(rawStr);

var base64 = CryptoJS.enc.Base64.stringify(wordArray);

return base64;

}

(function () {

var data = 'Hello world!';

var e = aes_encrypt(data);

var data = e[0];

var iv = e[1];

console.log('data = ' + data);

console.log('iv = ' + iv);

var d = aes_decrypt(data, iv);

console.log('data = ' + d);

})();

<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>CryptoJS AES 256 mode-cfb</title>
    <script src="./components/core.js"></script>
    <script src="./components/md5.js"></script>
    <script src="./components/enc-base64.js"></script>
    <script src="./components/evpkdf.js"></script>
    <script src="./components/cipher-core.js"></script>
    <script src="./components/aes.js"></script>
    <script src="./components/mode-cfb.js"></script>
    <script src="./components/pad-nopadding.js"></script>
    <script src="test.js"></script>
</head>
<body>

</body>
</html>

<head>

<title>CryptoJS AES 256 mode-cfb</title>

</head>

<body>

</body>

</html>

<?php
/*
 * https://stackoverflow.com/questions/46346371/convert-openssl-aes-in-php-to-python-aes
 */

$encryption_encoded_key = 'U2FsdGVkX19nm8SCCdOk1RytPaIUvb2+Z7w+JfarEYo=';
$end_of_data_mark = '<EOD>';

function aes_encrypt($data) {
    global $encryption_encoded_key, $end_of_data_mark;

    try {
        $data .= $end_of_data_mark;

        $encryption_key = base64_decode($encryption_encoded_key);
        $iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('aes-256-cfb'));
        $encrypted = openssl_encrypt($data, 'aes-256-cfb', $encryption_key, 1, $iv);

        return Array(base64_encode($encrypted), base64_encode($iv));
    } catch (Exception $e) {
        throw new Exception($e->getMessage());
    }
}

function aes_decrypt($data, $iv) {
    global $encryption_encoded_key, $end_of_data_mark;

    try {
        $encryption_key = base64_decode($encryption_encoded_key);
        $encrypted_data = base64_decode($data);
        $iv = base64_decode($iv);

        return explode($end_of_data_mark, openssl_decrypt($encrypted_data, 'aes-256-cfb', $encryption_key, 1, $iv), 2)[0];

    } catch (Exception $e) {
        throw new Exception($e->getMessage());
    }
}


$data = 'Hello world!';
list($data, $iv) = aes_encrypt($data);
echo "data = $data\n";
echo "iv = $iv\n";

$data = aes_decrypt($data, $iv);
echo "data = $data\n";

<?php

* https://stackoverflow.com/questions/46346371/convert-openssl-aes-in-php-to-python-aes

$encryption_encoded_key = 'U2FsdGVkX19nm8SCCdOk1RytPaIUvb2+Z7w+JfarEYo=';

$end_of_data_mark = '<EOD>';

function aes_encrypt($data) {

global $encryption_encoded_key, $end_of_data_mark;

try {

$data .= $end_of_data_mark;

$encryption_key = base64_decode($encryption_encoded_key);

$iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('aes-256-cfb'));

$encrypted = openssl_encrypt($data, 'aes-256-cfb', $encryption_key, 1, $iv);

return Array(base64_encode($encrypted), base64_encode($iv));

} catch (Exception $e) {

throw new Exception($e->getMessage());

}

function aes_decrypt($data, $iv) {

global $encryption_encoded_key, $end_of_data_mark;

try {

$encryption_key = base64_decode($encryption_encoded_key);

$encrypted_data = base64_decode($data);

$iv = base64_decode($iv);

return explode($end_of_data_mark, openssl_decrypt($encrypted_data, 'aes-256-cfb', $encryption_key, 1, $iv), 2)[0];

} catch (Exception $e) {

throw new Exception($e->getMessage());

}

$data = 'Hello world!';

list($data, $iv) = aes_encrypt($data);

echo "data = $data\n";

echo "iv = $iv\n";

$data = aes_decrypt($data, $iv);

echo "data = $data\n";

タグ: Crypt

Tried crypt AES Mode CFB with Python, JavaScript and PHP, data cross each other / AES でデーターを相互に暗号化・復号化するテスト