The next generation of the Teknik Services. Written in ASP.NET. https://www.teknik.io/
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using System;
using System.IO;
using System.Text;
namespace Teknik.Utilities.Cryptography
{
public class MD5
{
public static string Hash(string value)
{
byte[] valBytes = Encoding.ASCII.GetBytes(value);
System.Security.Cryptography.MD5 md5 = System.Security.Cryptography.MD5.Create();
byte[] hashBytes = md5.ComputeHash(valBytes);
StringBuilder sBuilder = new StringBuilder();
// Loop through each byte of the hashed data
// and format each one as a hexadecimal string.
for (int i = 0; i < hashBytes.Length; i++)
{
sBuilder.Append(hashBytes[i].ToString("x2"));
}
// Return the hexadecimal string.
return sBuilder.ToString();
}
public static byte[] Hash(byte[] value)
{
System.Security.Cryptography.MD5 md5 = System.Security.Cryptography.MD5.Create();
return md5.ComputeHash(value);
}
public static string FileHash(string filename)
{
try
{
using (var md5 = System.Security.Cryptography.MD5.Create())
{
using (var stream = File.OpenRead(filename))
{
return BitConverter.ToString(md5.ComputeHash(stream)).Replace("-", "").ToLower();
}
}
}
catch (Exception)
{
return string.Empty;
}
}
public static string DataHash(string data)
{
try
{
using (var md5 = System.Security.Cryptography.MD5.Create())
{
// convert string to stream
byte[] byteArray = Encoding.UTF8.GetBytes(data);
using (MemoryStream stream = new MemoryStream(byteArray))
{
return BitConverter.ToString(md5.ComputeHash(stream)).Replace("-", "").ToLower();
}
}
}
catch (Exception)
{
return string.Empty;
}
}
}
}