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Simple Triple-DES-ECB Test
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using System; | |
using System.Text; | |
using System.Security.Cryptography; | |
namespace TripleDES | |
{ | |
class Program | |
{ | |
private string encrypt(string clearText, string secretKey) | |
{ | |
try | |
{ | |
TripleDESCryptoServiceProvider tripleDESProvider = new TripleDESCryptoServiceProvider(); | |
byte[] byteKey = Encoding.UTF8.GetBytes(secretKey.PadRight(24, '\0')); | |
if(byteKey.Length > 24) | |
{ | |
byte[] bytePass = new byte[24]; | |
Buffer.BlockCopy(byteKey, 0, bytePass, 0, 24); | |
byteKey = bytePass; | |
} | |
byte[] byteText = Encoding.UTF8.GetBytes(clearText); | |
tripleDESProvider.Key = byteKey; | |
tripleDESProvider.Mode = CipherMode.ECB; | |
byte[] byteMessage = tripleDESProvider.CreateEncryptor().TransformFinalBlock(byteText, 0, byteText.Length); | |
return Convert.ToBase64String(byteMessage); | |
} | |
catch(Exception ex) | |
{ | |
return ex.Message; | |
} | |
} | |
private string decrypt(string data, string secretKey) | |
{ | |
try | |
{ | |
byte[] byteData = Convert.FromBase64String(data); | |
byte[] byteKey = Encoding.UTF8.GetBytes(secretKey.PadRight(24, '\0')); | |
if (byteKey.Length > 24) | |
{ | |
byte[] bytePass = new byte[24]; | |
Buffer.BlockCopy(byteKey, 0, bytePass, 0, 24); | |
byteKey = bytePass; | |
} | |
TripleDESCryptoServiceProvider tripleDESProvider = new TripleDESCryptoServiceProvider(); | |
tripleDESProvider.Key = byteKey; | |
tripleDESProvider.Mode = CipherMode.ECB; | |
byte[] byteText = tripleDESProvider.CreateDecryptor().TransformFinalBlock(byteData, 0, byteData.Length); | |
return Encoding.UTF8.GetString(byteText); | |
} | |
catch(Exception ex) | |
{ | |
return ex.Message; | |
} | |
} | |
static void Main(string[] args) | |
{ | |
string clearText = "BSプレミアム20日放送"; | |
string secretKey = "SecretKey"; | |
string data = new TripleDES.Program().encrypt(clearText, secretKey); | |
clearText = new TripleDES.Program().decrypt(data, secretKey); | |
Console.WriteLine("Encrypted String: " + data); | |
Console.WriteLine(clearText); | |
Console.ReadLine(); | |
} | |
} | |
} |
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#!/usr/bin/env python3 | |
# coding: utf-8 | |
import base64 | |
import pyDes | |
from Crypto.Cipher import DES3 | |
def encrypt_3des(clear_text, key): | |
clear_text_byte = clear_text.encode('utf-8') | |
key_byte = key.encode('utf-8') | |
key_byte = key_byte.ljust(24, "\0".encode('utf-8')) | |
if len(key_byte) > 24: | |
key_byte = key_byte[:24] | |
k = pyDes.triple_des(key_byte, pyDes.ECB, IV = None, pad = None, padmode = pyDes.PAD_PKCS5) | |
d = k.encrypt(clear_text_byte) | |
return base64.b64encode(d).decode('utf-8') | |
def encrypt_3des_crypto(clear_text, key): | |
key_byte = key.encode('utf-8') | |
key_byte = key_byte.ljust(24, "\0".encode('utf-8')) | |
if len(key_byte) > 24: | |
key_byte = key_byte[:24] | |
# PKCS#5 | |
pad_len = 8 - len(clear_text) % 8 | |
padding = chr(pad_len) * pad_len | |
clear_text += padding | |
cryptor = DES3.new(key_byte, DES3.MODE_ECB) | |
data = cryptor.encrypt(clear_text) | |
return base64.b64encode(data).decode('utf-8') | |
def decrypt_3des(data, key): | |
data_byte = base64.b64decode(data.encode('utf-8')) | |
key_byte = key.encode('utf-8') | |
key_byte = key_byte.ljust(24, "\0".encode('utf-8')) | |
if len(key_byte) > 24: | |
key_byte = key_byte[:24] | |
k = pyDes.triple_des(key_byte, pyDes.ECB, IV = None, pad = None, padmode = pyDes.PAD_PKCS5) | |
d = k.decrypt(data_byte) | |
return d.decode('utf-8') | |
def decrypt_3des_crypto(data, key): | |
data_byte = base64.b64decode(data.encode('utf-8')) | |
key_byte = key.encode('utf-8') | |
key_byte = key_byte.ljust(24, "\0".encode('utf-8')) | |
if len(key_byte) > 24: | |
key_byte = key_byte[:24] | |
cryptor = DES3.new(key_byte, DES3.MODE_ECB) | |
c_text = cryptor.decrypt(data_byte) | |
# PKCS#5 | |
pad_len = ord(c_text.decode('utf-8')[-1]) | |
clear_text = c_text.decode('utf-8')[:-pad_len] | |
return clear_text | |
def main(): | |
clear_text = "BSプレミアム20日放送" | |
key = "SecretKey" | |
data = encrypt_3des(clear_text, key) | |
print("Encrypted String: " + data) | |
print(decrypt_3des(data, key)) | |
data = encrypt_3des_crypto(clear_text, key) | |
print("Encrypted String: " + data) | |
print(decrypt_3des_crypto(data, key)) | |
if __name__ == "__main__": | |
main() |
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echo -n "BSプレミアム20日放送" | openssl enc -e -des-ede3 -K "5365637265744B6579000000000000000000000000000000" -nosalt -a | |
echo "tpGP6UtYB5MLZwFG89V+TEIzM2CB8xMC+AFgZr4sezU=" | openssl enc -d -des-ede3 -K "5365637265744B6579000000000000000000000000000000" -nosalt -a |
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import java.util.Arrays; | |
import java.util.Base64; | |
import javax.crypto.Cipher; | |
import javax.crypto.SecretKey; | |
import javax.crypto.spec.SecretKeySpec; | |
// import javax.xml.bind.DatatypeConverter; | |
public class TripleDESTest { | |
private String encrypt(String clearText, String secretKey) { | |
try { | |
byte[] bytePass = secretKey.getBytes("utf-8"); | |
byte[] byteKey = Arrays.copyOf(bytePass, 24); | |
// System.out.println(DatatypeConverter.printHexBinary(byteKey)); | |
SecretKey key = new SecretKeySpec(byteKey, "DESede"); | |
Cipher cipher = Cipher.getInstance("DESede"); | |
cipher.init(Cipher.ENCRYPT_MODE, key); | |
byte[] byteText = clearText.getBytes("utf-8"); | |
byte[] buf = cipher.doFinal(byteText); | |
byte[] byteBase64 = Base64.getEncoder().encode(buf); | |
String data = new String(byteBase64); | |
return data; | |
} | |
catch(Exception ex) { | |
return ex.getMessage(); | |
} | |
} | |
private String decrypt(String data, String secretKey) { | |
try { | |
byte[] byteData = Base64.getDecoder().decode(data.getBytes("utf-8")); | |
byte[] bytePass = secretKey.getBytes("utf-8"); | |
byte[] byteKey = Arrays.copyOf(bytePass, 24); | |
SecretKey key = new SecretKeySpec(byteKey, "DESede"); | |
Cipher cipher = Cipher.getInstance("DESede"); | |
cipher.init(Cipher.DECRYPT_MODE, key); | |
byte[] byteText = cipher.doFinal(byteData); | |
String clearText = new String(byteText, "utf-8"); | |
return clearText; | |
} | |
catch(Exception ex) { | |
return ex.getMessage(); | |
} | |
} | |
public static void main(String[] args) { | |
String clearText = "BSプレミアム20日放送"; | |
String secretKey = "SecretKey"; | |
String data = new TripleDESTest().encrypt(clearText, secretKey); | |
clearText = new TripleDESTest().decrypt(data, secretKey); | |
System.out.println("Encrypted String: " + data); | |
System.out.println(clearText); | |
} | |
} |
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<?php | |
function encrypt_3des($clear_text, $key) { | |
$encrypt_text = openssl_encrypt($clear_text, "DES-EDE3", $key, OPENSSL_RAW_DATA, ""); | |
$data = base64_encode($encrypt_text); | |
return $data; | |
} | |
function decrypt_3des($data, $key) { | |
$encrypt_text = base64_decode($data); | |
$clear_text = openssl_decrypt($encrypt_text, "DES-EDE3", $key, OPENSSL_RAW_DATA, ""); | |
return $clear_text; | |
} | |
$clear_text = "BSプレミアム20日放送"; | |
$key = "SecretKey"; | |
$data = encrypt_3des($clear_text, $key); | |
echo "Encrypted String: ".encrypt_3des($clear_text, $key)."\n"; | |
echo decrypt_3des($data, $key)."\n"; | |
?> |
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