public string ComputeMD5()
{
MD5 md5 = new MD5CryptoServiceProvider();
byte[] hash = null;
if (NumberOfFrames == 1)
{
byte[] frame = GetFrameDataU8(0);
hash = md5.ComputeHash(frame);
}
else
{
for (int i = 0; i < NumberOfFrames; i++)
{
byte[] frame = GetFrameDataU8(i);
if (i < (NumberOfFrames - 1))
{
md5.TransformBlock(frame, 0, frame.Length, frame, 0);
}
else
{
md5.TransformFinalBlock(frame, 0, frame.Length);
}
}
hash = md5.Hash;
}
return(BitConverter.ToString(hash).Replace("-", ""));
}
private string CalculateMd5Hash(string input)
{
var inputBytes = Encoding.UTF8.GetBytes(input);
var hash = new MD5Managed().ComputeHash(inputBytes);
var sb = new StringBuilder();
foreach (var b in hash)
sb.Append(b.ToString("x2"));
return sb.ToString();
}
/// <summary>
/// Convert to MD5 hash string.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static string ToMD5Hash(this string value)
{
byte[] bs = System.Text.Encoding.UTF8.GetBytes(value);
MD5Managed md5 = new MD5Managed();
byte[] hash = md5.ComputeHash(bs);
StringBuilder sb = new StringBuilder();
foreach (byte b in bs)
{
sb.Append(b.ToString("x2").ToLower());
}
return sb.ToString();
}
/// <summary>
/// Gets MD5 hash of a byte array
/// </summary>
/// <param name="buffer">Byte array</param>
/// <returns>MD5 hash as string</returns>
public static string MD5(byte[] buffer)
{
MD5 md5 = new MD5CryptoServiceProvider();
return BitConverter.ToString(md5.ComputeHash(buffer)).Replace("-", "");
}
public byte[] CreateMD5(byte[] value)
{
var md5 = new MD5Managed();
md5.ComputeHash(value);
return md5.Hash;
}
static void Compute_NTLMv2_Session (string password, byte[] challenge,
out byte[] lm, out byte[] ntlm)
{
var nonce = new byte [8];
var rng = RandomNumberGenerator.Create ();
rng.GetBytes (nonce);
var sessionNonce = new byte [challenge.Length + 8];
challenge.CopyTo (sessionNonce, 0);
nonce.CopyTo (sessionNonce, challenge.Length);
lm = new byte [24];
nonce.CopyTo (lm, 0);
#if MOONLIGHT
MD5Managed md5 = new MD5Managed ();
#else
MD5 md5 = MD5.Create ();
#endif
var hash = md5.ComputeHash (sessionNonce);
var newChallenge = new byte [8];
Array.Copy (hash, newChallenge, 8);
ntlm = Compute_NTLM (password, newChallenge);
// clean up
Array.Clear (nonce, 0, nonce.Length);
Array.Clear (sessionNonce, 0, sessionNonce.Length);
Array.Clear (newChallenge, 0, newChallenge.Length);
Array.Clear (hash, 0, hash.Length);
}
/// <summary>
/// Computes the MD5 hash for the current byte array.
/// </summary>
/// <param name="input">The input <see cref="Stream"/> to compute the hash code for.</param>
/// <returns>The computed hash code.</returns>
public static byte[] ComputeMD5Hash(this Stream input)
{
#if PORTABLE
return null;
#else
using (var hash = new MD5Managed())
{
return hash.ComputeHash(input);
}
#endif
}
/// <summary>
/// Gets MD5 hash of a byte array
/// </summary>
/// <param name="buffer">Byte array</param>
/// <returns>MD5 hash as string</returns>
public static string MD5(byte[] buffer)
{
MD5 md5 = new MD5CryptoServiceProvider();
return(BitConverter.ToString(md5.ComputeHash(buffer)).Replace("-", ""));
}
/// <summary>
/// Computes the MD5 hash for the current byte array using the managed library.
/// </summary>
/// <param name="input">An array of 8-bit unsigned integers.</param>
/// <param name="offset">The offset into the byte array from which to begin using data.</param>
/// <param name="count">The number of bytes in the array to use as data.</param>
/// <returns>The computed hash code.</returns>
public static byte[] ComputeMD5Hash(this byte[] input, int offset, int count)
{
#if PORTABLE
return null;
#else
using (var hash = new MD5Managed())
{
return hash.ComputeHash(input, offset, count);
}
#endif
}
/// <summary>
/// Computes the <see cref="MD5"/> hash for the current byte array using the managed library.
/// </summary>
/// <param name="input">An array of 8-bit unsigned integers.</param>
/// <param name="offset">The offset into the byte array from which to begin using data.</param>
/// <param name="count">The number of bytes in the array to use as data.</param>
/// <returns>The computed hash code.</returns>
public static byte[] ComputeMD5Hash(this byte[] input, int offset, int count)
{
using (var hash = new MD5Managed())
{
return hash.ComputeHash(input, offset, count);
}
}
