private static byte[] GetHash(string input, eHashType hash)
{
byte[] inputBytes = Encoding.ASCII.GetBytes(input);
switch (hash)
{
case eHashType.HMAC:
return(HMAC.Create().ComputeHash(inputBytes));
case eHashType.MD5:
return(MD5.Create().ComputeHash(inputBytes));
case eHashType.SHA1:
return(SHA1.Create().ComputeHash(inputBytes));
case eHashType.SHA256:
return(SHA256.Create().ComputeHash(inputBytes));
case eHashType.SHA384:
return(SHA384.Create().ComputeHash(inputBytes));
case eHashType.SHA512:
return(SHA512.Create().ComputeHash(inputBytes));
default:
return(inputBytes);
}
}
private static byte[] GetHash(string input, eHashType hash)
{
byte[] inputBytes = Encoding.ASCII.GetBytes(input);
switch (hash)
{
case eHashType.HMAC:
return HMAC.Create().ComputeHash(inputBytes);
case eHashType.HMACMD5:
return HMACMD5.Create().ComputeHash(inputBytes);
case eHashType.HMACSHA1:
return HMACSHA1.Create().ComputeHash(inputBytes);
case eHashType.HMACSHA256:
return HMACSHA256.Create().ComputeHash(inputBytes);
case eHashType.HMACSHA384:
return HMACSHA384.Create().ComputeHash(inputBytes);
case eHashType.HMACSHA512:
return HMACSHA512.Create().ComputeHash(inputBytes);
case eHashType.MACTripleDES:
return MACTripleDES.Create().ComputeHash(inputBytes);
case eHashType.MD5:
return MD5.Create().ComputeHash(inputBytes);
case eHashType.RIPEMD160:
return RIPEMD160.Create().ComputeHash(inputBytes);
case eHashType.SHA1:
return SHA1.Create().ComputeHash(inputBytes);
case eHashType.SHA256:
return SHA256.Create().ComputeHash(inputBytes);
case eHashType.SHA384:
return SHA384.Create().ComputeHash(inputBytes);
case eHashType.SHA512:
return SHA512.Create().ComputeHash(inputBytes);
default:
return inputBytes;
}
}
/// <summary>
/// Computes the hash of the string using a specified hash algorithm
/// </summary>
/// <param name="input">The string to hash</param>
/// <param name="hashType">The hash algorithm to use</param>
/// <returns>The resulting hash or an empty string on error</returns>
public static string ComputeHash(this string input, eHashType hashType)
{
try
{
byte[] hash = GetHash(input, hashType);
StringBuilder ret = new StringBuilder();
for (int i = 0; i < hash.Length; i++)
ret.Append(hash[i].ToString("x2"));
return ret.ToString();
}
catch
{
return string.Empty;
}
}
/// <summary>
/// Seçilen hash algoritmasına göre string ifadeyi hashler
/// </summary>
/// <param name="input">Hashlenecek olan string ifade</param>
/// <param name="hashType">Hash algoritması</param>
/// <returns>Result olarak hashlenmiş değer döner, hata var ise string.Empty döner</returns>
public static string ComputeHash(this string input, eHashType hashType)
{
try
{
byte[] hash = GetHash(input, hashType);
StringBuilder ret = new StringBuilder();
for (int i = 0; i < hash.Length; i++)
{
ret.Append(hash[i].ToString("x2"));
}
return(ret.ToString());
}
catch
{
return(string.Empty);
}
}
/// <summary>
/// Computes the hash of this string using a specified hash algorithm
/// </summary>
/// <param name="input"></param>
/// <param name="hashType">The hash algorithm to use</param>
/// <returns>The resulting hash</returns>
public static string ComputeHash(this string value, eHashType hashType)
{
try
{
byte[] hash = GetHash(value, hashType);
StringBuilder ret = new StringBuilder();
for (int i = 0; i < hash.Length; i++)
{
ret.Append(hash[i].ToString("x2"));
}
return(ret.ToString());
}
catch (Exception ex)
{
throw new Exception($"An unhandled exception happened. {ex.ToString()}");
}
}
