sem/Proftaak-RH-B4
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added client server login with hashed passwords and usernames

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Sem van der Hoeven
2020-10-02 11:43:07 +02:00
parent 3e5f6e46c4
commit fedf8c0e5b
4 changed files with 33 additions and 47 deletions
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40
Hashing/Hasher.cs
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@@ -7,45 +7,21 @@ namespace Hashing
{
class Hasher
{
static string key = "ProftaakRH-B4";
public static string Encrypt(string text)
public static byte[] GetHash(string input)
{
using (var md5 = new MD5CryptoServiceProvider())
using (HashAlgorithm algorithm = SHA256.Create())
{
using (var tdes = new TripleDESCryptoServiceProvider())
{
tdes.Key = md5.ComputeHash(UTF8Encoding.UTF8.GetBytes(key));
tdes.Mode = CipherMode.ECB;
tdes.Padding = PaddingMode.PKCS7;
using (var transform = tdes.CreateEncryptor())
{
byte[] textBytes = UTF8Encoding.UTF8.GetBytes(text);
byte[] bytes = transform.TransformFinalBlock(textBytes, 0, textBytes.Length);
return Convert.ToBase64String(bytes, 0, bytes.Length);
}
}
return algorithm.ComputeHash(Encoding.UTF8.GetBytes(input));
}
}
public static string Decrypt(string cipher)
public static string HashString(string input)
{
using (var md5 = new MD5CryptoServiceProvider())
{
using (var tdes = new TripleDESCryptoServiceProvider())
{
tdes.Key = md5.ComputeHash(UTF8Encoding.UTF8.GetBytes(key));
tdes.Mode = CipherMode.ECB;
tdes.Padding = PaddingMode.PKCS7;
using (var transform = tdes.CreateDecryptor())
{
byte[] cipherBytes = Convert.FromBase64String(cipher);
byte[] bytes = transform.TransformFinalBlock(cipherBytes, 0, cipherBytes.Length);
return UTF8Encoding.UTF8.GetString(bytes);
}
}
StringBuilder sb = new StringBuilder();
foreach (byte b in GetHash(input)) {
sb.Append(b.ToString("X2"));
}
return sb.ToString();
}
}
}