Barış Kısır

Software Developer at Accenture

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How to hash passwords in C#

15 Apr 2017 » csharp

Crypto Class

class Crypto
{
public static string HashMD5(string text) // Not recommended.
{
    if (text == null)
    return null;
    var encode = new UTF8Encoding();
    var md5Hasher = new MD5CryptoServiceProvider();
    var data = md5Hasher.ComputeHash(encode.GetBytes(text));
    return byteToHex(data);
}

public static string HashSHA1(string text) // Not recommended. More info -> https://shattered.io
{
    if (text == null)
    return null;
    var encode = new UTF8Encoding();
    var sha1Hasher = new SHA1CryptoServiceProvider();
    var data = sha1Hasher.ComputeHash(encode.GetBytes(text));
    return byteToHex(data);
}

public static string HashSHA256(string text)
{
    if (text == null)
    return null;
    var encode = new UTF8Encoding();
    var sha256Hasher = new SHA256CryptoServiceProvider();
    var data = sha256Hasher.ComputeHash(encode.GetBytes(text));
    return byteToHex(data);
}

public static string HashSHA384(string text)
{
    if (text == null)
    return null;
    var encode = new UTF8Encoding();
    var sha384Hasher = new SHA384CryptoServiceProvider();
    var data = sha384Hasher.ComputeHash(encode.GetBytes(text));
    return byteToHex(data);
}

public static string HashSHA512(string text)
{
    if (text == null)
    return null;
    var encode = new UTF8Encoding();
    var sha512Hasher = new SHA512CryptoServiceProvider();
    var data = sha512Hasher.ComputeHash(encode.GetBytes(text));
    return byteToHex(data);
}

internal static string byteToHex(byte[] input)
{
    if (input == null)
    return null;
    var o = new StringBuilder("");
    for (var i = 0; i < input.Length; i++)
    {
    o.Append(input[i].ToString("X2"));
    }
    return o.ToString();
}
}

You can download source code from –> Here

hash-generator