Sample C# code to create SHA1 Salted (SSHA) password hashes for OpenLDAP Via:http://blogs.msdn.com/b/alextch/archive/2012/05/12/sample-c-code-to-create-sha1-salted-ssha-password-hashes-for-openldap.aspx

OpenLDAPSshaHelper.cs

public static string GenerateSaltedSHA1(string plainTextString)
{
    HashAlgorithm algorithm = new SHA1Managed();
    var saltBytes = GenerateSalt(4);
    var plainTextBytes = Encoding.ASCII.GetBytes(plainTextString);

    var plainTextWithSaltBytes = AppendByteArray(plainTextBytes, saltBytes);
    var saltedSHA1Bytes = algorithm.ComputeHash(plainTextWithSaltBytes);
    var saltedSHA1WithAppendedSaltBytes = AppendByteArray(saltedSHA1Bytes, saltBytes);

    return "{SSHA}" + Convert.ToBase64String(saltedSHA1WithAppendedSaltBytes);
}

private static byte[] GenerateSalt(int saltSize)
{
    var rng = new RNGCryptoServiceProvider();
    var buff = new byte[saltSize];
    rng.GetBytes(buff);
    return buff;
}

private static byte[] AppendByteArray(byte[] byteArray1, byte[] byteArray2)
{
    var byteArrayResult =
        new byte[byteArray1.Length + byteArray2.Length];

    for (var i = 0; i < byteArray1.Length; i++)
        byteArrayResult[i] = byteArray1[i];
    for (var i = 0; i < byteArray2.Length; i++)
        byteArrayResult[byteArray1.Length + i] = byteArray2[i];

    return byteArrayResult;
}