我是一名学生,我是编程的新手。这是我尝试编写的第一个C#程序。该程序应该在带有清晰文本的文本文件中读取,然后输出带有MD5和SHA-1哈希的文本文件。据我所知,该程序的工作原理,但是我的程序创建的哈希与在线哈希生成器生成的哈希相匹配。据我所知,如果输入单词相同,则应该匹配哈希。我的代码显然有什么问题会导致这?
using System;
using System.Text;
using System.IO;
using System.Security.Cryptography;
namespace CreateHash
{
class Program
{
const string INPUTFILE = "C:\ClearTextPasswords.txt";
const string OUTPUTFILEMD5 = "C:\EncryptedMD5Passwords.txt";
const string OUTPUTFILESHA1 = "C:\EncryptedSHA1Passwords.txt";
static void Main(string[] args)
{
string input;
int counter = 0;
DeleteWriteFile();
StreamReader readFile = new StreamReader(INPUTFILE);
while ((input = readFile.ReadLine()) != null)
{
if(AppendFile(input))
counter++;
}
readFile.Close();
Console.WriteLine("nSuccessfully wrote {0} encrypted password(s) to: n{1} andn{2} files.nnPress any key to exit...", counter.ToString(), OUTPUTFILEMD5, OUTPUTFILESHA1);
Console.ReadKey();
}
static void DeleteWriteFile()
{
//Example of try/catch block
try
{
System.IO.File.Delete(OUTPUTFILEMD5);
}
catch (Exception ex)
{
Console.WriteLine("There was an error deleting the MD5 Output file: " + ex.Message);
}
try
{
System.IO.File.Delete(OUTPUTFILESHA1);
}
catch (Exception ex)
{
Console.WriteLine("There was an error deleting the MD5 Output file: " + ex.Message);
}
}
static bool AppendFile(string str)
{
int x = 0;
int y = 0;
bool result = false;
StreamWriter writeFile1;
StreamWriter writeFile2;
HashToolkit hashToolkit = new HashToolkit();
//Example of try/catch/finally block
try
{
writeFile1 = new StreamWriter(OUTPUTFILEMD5, true);
writeFile1.WriteLine(hashToolkit.GetMd5(str));
writeFile1.Close();
x = 1;
}
catch (Exception ex)
{
Console.WriteLine("There was an error writing to the MD5 Output file: " + ex.Message);
}
finally
{
writeFile1 = null;
}
try
{
writeFile2 = new StreamWriter(OUTPUTFILESHA1, true);
writeFile2.WriteLine(hashToolkit.GetSha1(str));
writeFile2.Close();
y = 1;
}
catch (Exception ex)
{
Console.WriteLine("There was an error writing to the SHA1 Output file: " + ex.Message);
}
finally
{
writeFile2 = null;
}
if (x * y != 0)
result = true;
return result;
}
}
public class HashToolkit
{
public HashToolkit()
{
}
public string GetMd5(string str)
{
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
string input = string.Empty;
byte[] hashedData = md5.ComputeHash(Encoding.Unicode.GetBytes(str));
foreach (byte b in hashedData)
{
input += String.Format("{0,2:X2}", b);
}
return input;
}
public string GetSha1(string str)
{
SHA1 sha = new SHA1CryptoServiceProvider();
string input = string.Empty;
byte[] hashedData = sha.ComputeHash(Encoding.Unicode.GetBytes(str));
foreach (byte b in hashedData)
{
input += String.Format("{0,2:X2}", b);
}
return input;
}
}
}
任何帮助将不胜感激。感谢您的时间。
那是因为您不能哈希字符串,只能哈希字符。因此,您需要先转换为字节。您正在使用UTF16。该在线工具可能使用UTF8或某些ASCII风格的编码。找出它也使用并使用了哪个。