private void ComputeHash(string path)
{
using (var fileStream = File.OpenRead(path))
{
using (var hasher = HMACSHA384.Create())
{
_result = hasher.ComputeHash(fileStream);
}
}
}
public static byte[] ComputeHash(byte[] input, byte[] key, string algorithm)
{
if (input == null || input.Length == 0)
{
throw new ArgumentException();
}
if (key == null || key.Length == 0)
{
throw new ArgumentException();
}
System.Security.Cryptography.KeyedHashAlgorithm hash;
switch (algorithm.ToUpperInvariant())
{
case "MD5":
case "HMACMD5":
hash = HMACMD5.Create();
break;
case "MD160":
case "RIPEMD160":
case "HMACRIPEMD160":
hash = HMACRIPEMD160.Create();
break;
case "SHA":
case "SHA1":
case "HMACSHA":
case "HMACSHA1":
hash = HMACSHA1.Create();
break;
case "SHA256":
case "HMACSHA256":
hash = HMACSHA256.Create();
break;
case "SHA384":
case "HMACSHA384":
hash = HMACSHA384.Create();
break;
case "SHA512":
case "HMACSHA512":
hash = HMACSHA512.Create();
break;
default:
throw new NotSupportedException();
}
hash.Key = key;
byte[] result = hash.ComputeHash(input);
hash.Clear();
return(result);
}
private static byte[] GetHash([CanBeNull] string input, EHashType hash)
{
var inputBytes = Encoding.ASCII.GetBytes(input);
switch (hash)
{
case EHashType.HMAC:
return(HMAC.Create().ComputeHash(inputBytes));
#pragma warning disable RECS0030 // Suggests using the class declaring a static function when calling it
case EHashType.HMACMD5: // DevSkim: ignore DS126858
return(HMACMD5.Create().ComputeHash(inputBytes)); // DevSkim: ignore DS126858
case EHashType.HMACSHA1: // DevSkim: ignore DS126858
return(HMACSHA1.Create().ComputeHash(inputBytes)); // DevSkim: ignore DS126858
case EHashType.HMACSHA256:
return(HMACSHA256.Create().ComputeHash(inputBytes));
case EHashType.HMACSHA384:
return(HMACSHA384.Create().ComputeHash(inputBytes));
case EHashType.HMACSHA512:
return(HMACSHA512.Create().ComputeHash(inputBytes));
#pragma warning restore RECS0030 // Suggests using the class declaring a static function when calling it
case EHashType.MD5: // DevSkim: ignore DS126858
#pragma warning disable SG0006 // Weak hashing function
return(MD5.Create().ComputeHash(inputBytes)); // DevSkim: ignore DS126858
#pragma warning restore SG0006 // Weak hashing function
case EHashType.SHA1: // DevSkim: ignore DS126858
#pragma warning disable SG0006 // Weak hashing function
return(SHA1.Create().ComputeHash(inputBytes)); // DevSkim: ignore DS126858
#pragma warning restore SG0006 // Weak hashing function
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 async Task <byte[]> ComputeHashAsync(string path)
{
using (var fileStream = File.OpenRead(path))
{
using (var hasher = HMACSHA384.Create())
{
return(await Task.Run(() =>
{
return hasher.ComputeHash(fileStream);
}));
}
}
}
private static byte[] GetHash(string Source, HashType hash)
{
byte[] inputBytes = Encoding.ASCII.GetBytes(Source);
switch (hash)
{
case HashType.HMAC:
return(HMAC.Create().ComputeHash(inputBytes));
case HashType.HMACMD5:
return(HMACMD5.Create().ComputeHash(inputBytes));
case HashType.HMACSHA1:
return(HMACSHA1.Create().ComputeHash(inputBytes));
case HashType.HMACSHA256:
return(HMACSHA256.Create().ComputeHash(inputBytes));
case HashType.HMACSHA384:
return(HMACSHA384.Create().ComputeHash(inputBytes));
case HashType.HMACSHA512:
return(HMACSHA512.Create().ComputeHash(inputBytes));
/*
* case HashType.MACTripleDES:
* return MACTripleDES.Create().ComputeHash(inputBytes);
*/
case HashType.MD5:
return(MD5.Create().ComputeHash(inputBytes));
/*
* case HashType.RIPEMD160:
* return RIPEMD160.Create().ComputeHash(inputBytes);
*/
case HashType.SHA1:
return(SHA1.Create().ComputeHash(inputBytes));
case HashType.SHA256:
return(SHA256.Create().ComputeHash(inputBytes));
case HashType.SHA384:
return(SHA384.Create().ComputeHash(inputBytes));
case HashType.SHA512:
return(SHA512.Create().ComputeHash(inputBytes));
default:
return(inputBytes);
}
}
private static byte[] GetHash(string input, EHashType hash)
{
var 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);
}
}
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));
#pragma warning disable CS0618 // Type or member is obsolete
case EHashType.MD5:
#pragma warning restore CS0618 // Type or member is obsolete
return(MD5.Create().ComputeHash(inputBytes));
#pragma warning disable CS0618 // Type or member is obsolete
case EHashType.SHA1:
#pragma warning restore CS0618 // Type or member is obsolete
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.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);
}
}
