我在 Go 中有加密代码,但我很难在 CSharp 中找到类似的代码。 我正在考虑自己实现 XorKeyStream,但有人告诉我,如果我编写自己的加密代码,就会存在法律问题。我相信 CSharp 中一定有类似的代码。
package main
import (
"crypto/aes"
"crypto/cipher"
"fmt"
)
func main() {
k1 := []byte("0123456789abcdef")
r1 := []byte("1234567890abcdef")
data := []byte("0123456789")
fmt.Printf("original %x %s\n", data, string(data))
{
block, _ := aes.NewCipher(k1)
stream := cipher.NewCFBEncrypter(block, r1)
stream.XORKeyStream(data, data)
fmt.Printf("crypted %x\n", data)
}
{
block, _ := aes.NewCipher(k1)
stream := cipher.NewCFBDecrypter(block, r1)
stream.XORKeyStream(data, data)
fmt.Printf("decrypted %x %s\n", data, string(data))
}
}
http://play.golang.org/p/EnJ56dYX_-
输出
original 30313233343536373839 0123456789
crypted 762b6dcea9c2a7460db7
decrypted 30313233343536373839 0123456789
附言 有些人将该问题标记为可能重复的问题:“C# AES:加密文件导致“要加密的数据的长度无效。”错误” 我在 CSharp 中寻找与 Go 中现有代码相同的代码。这个问题是关于填充的。该算法需要将异或文本的“ key 流”。 这是不同的问题。
最佳答案
这是你的代码
using System;
using System.Text;
using System.Security.Cryptography;
using System.IO;
class AES_CFB_XorKeyStream
{
static void Main(string[] args)
{
byte[] data = Encoding.UTF8.GetBytes("0123456789");
byte [] k1 = Encoding.UTF8.GetBytes("0123456789abcdef");
byte [] r1 = Encoding.UTF8.GetBytes("1234567890abcdef");
Console.WriteLine("original " + BitConverter.ToString(data));
using (RijndaelManaged Aes128 = new RijndaelManaged())
{
Aes128.BlockSize = 128;
Aes128.KeySize = 128;
Aes128.Mode = CipherMode.CFB;
Aes128.FeedbackSize = 128;
Aes128.Padding = PaddingMode.None;
Aes128.Key = k1;
Aes128.IV = r1;
using (var encryptor = Aes128.CreateEncryptor())
using (var msEncrypt = new MemoryStream())
using (var csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
using (var bw = new BinaryWriter(csEncrypt, Encoding.UTF8))
{
bw.Write(data);
bw.Close();
data = msEncrypt.ToArray();
Console.WriteLine("crypted " + BitConverter.ToString(data));
}
}
using (RijndaelManaged Aes128 = new RijndaelManaged())
{
Aes128.BlockSize = 128;
Aes128.KeySize = 128;
Aes128.Mode = CipherMode.CFB;
Aes128.FeedbackSize = 128;
Aes128.Padding = PaddingMode.None;
Aes128.Key = k1;
Aes128.IV = r1;
using (var decryptor = Aes128.CreateDecryptor())
using (var msEncrypt = new MemoryStream())
using (var csEncrypt = new CryptoStream(msEncrypt, decryptor, CryptoStreamMode.Write))
using (var bw = new BinaryWriter(csEncrypt, Encoding.UTF8))
{
bw.Write(data);
bw.Close();
data = msEncrypt.ToArray();
Console.WriteLine("decrypted " + BitConverter.ToString(data));
}
}
}
}
输出
original 30-31-32-33-34-35-36-37-38-39
crypted 76-2B-6D-CE-A9-C2-A7-46-0D-B7
decrypted 30-31-32-33-34-35-36-37-38-39
关于c# - CSharp 中的密码代码类似于 Go 中的代码(AES、CFB、XorKeyStream),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/35658196/