| private static EncodeBase64 ( byte d, int length ) : string | ||
| d | byte | The byte array to encode |
| length | int | The number of bytes to encode |
| return | string | |
public static string HashPassword(string input, string salt)
{
if (input == null)
{
//throw new ArgumentNullException("input");
}
if (string.IsNullOrEmpty(salt))
{
//throw new ArgumentException("Invalid salt", "salt");
}
char c = '\0';
if (salt[0] != '$' || salt[1] != '2')
{
//throw new SaltParseException("Invalid salt version");
}
int num;
if (salt[2] == '$')
{
num = 3;
}
else
{
c = salt[2];
if (c != 'a' || salt[3] != '$')
{
//throw new SaltParseException("Invalid salt revision");
}
num = 4;
}
if (salt[num + 2] > '$')
{
//throw new SaltParseException("Missing salt rounds");
}
int num2 = Convert.ToInt32(salt.Substring(num, 2));
string encodedstring = salt.Substring(num + 3, 22);
byte[] bytes = Encoding.UTF8.GetBytes(input + ((c >= 'a') ? "\0" : ""));
byte[] array = BCrypt.DecodeBase64(encodedstring, 16);
BCrypt bCrypt = new BCrypt();
byte[] byteArray = bCrypt.CryptRaw(bytes, array, num2);
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append("$2");
if (c >= 'a')
{
stringBuilder.Append(c);
}
stringBuilder.AppendFormat("${0:00}$", num2);
stringBuilder.Append(BCrypt.EncodeBase64(array, array.Length));
stringBuilder.Append(BCrypt.EncodeBase64(byteArray, BCrypt._BfCryptCiphertext.Length * 4 - 1));
return(stringBuilder.ToString());
}
public static string GenerateSalt(int workFactor)
{
if (workFactor < 4 || workFactor > 31)
{
//throw new ArgumentOutOfRangeException("workFactor", workFactor, "The work factor must be between 4 and 31 (inclusive)");
}
byte[] array = new byte[16];
RandomNumberGenerator randomNumberGenerator = RandomNumberGenerator.Create();
randomNumberGenerator.GetBytes(array);
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.AppendFormat("$2a${0:00}$", workFactor);
stringBuilder.Append(BCrypt.EncodeBase64(array, array.Length));
return(stringBuilder.ToString());
}