/// <summary>
/// Create password information from password
/// </summary>
/// <param name="password">The password</param>
/// <param name="slat">Slat, use a random value if gived null</param>
/// <param name="type">Password type</param>
public static PasswordInfo FromPassword(string password,
byte[] slat = null, PasswordHashType type = PasswordHashType.PBKDF2)
{
if (string.IsNullOrEmpty(password))
{
throw new ArgumentNullException("password can't be empty");
}
var info = new PasswordInfo()
{
Type = type
};
var passwordBytes = Encoding.UTF8.GetBytes(password);
if (type == PasswordHashType.PBKDF2)
{
slat = slat ?? RandomUtils.SystemRandomBytes(8);
info.Slat = Convert.ToBase64String(slat);
info.Hash = Convert.ToBase64String(PasswordUtils.PBKDF2Sum(passwordBytes, slat));
}
else if (type == PasswordHashType.Md5)
{
info.Hash = Convert.ToBase64String(PasswordUtils.Md5Sum(passwordBytes));
}
else if (type == PasswordHashType.Sha1)
{
info.Hash = Convert.ToBase64String(PasswordUtils.Sha1Sum(passwordBytes));
}
return(info);
}
/// <summary>
/// 从密码创建密码信息
/// </summary>
/// <param name="password">密码</param>
/// <param name="slat">参与校验的随机数据，不指定时使用默认值</param>
/// <param name="type">密码类型</param>
public static PasswordInfo FromPassword(string password,
byte[] slat = null, PasswordHashType type = PasswordHashType.PBKDF2) {
if (string.IsNullOrEmpty(password)) {
throw new ArgumentNullException("password can't be empty");
}
var info = new PasswordInfo() { Type = type };
var passwordBytes = Encoding.UTF8.GetBytes(password);
if (type == PasswordHashType.PBKDF2) {
slat = slat ?? RandomUtils.SystemRandomBytes(8);
info.Slat = Convert.ToBase64String(slat);
info.Hash = Convert.ToBase64String(PasswordUtils.PBKDF2Sum(passwordBytes, slat));
} else if (type == PasswordHashType.Md5) {
info.Hash = Convert.ToBase64String(PasswordUtils.Md5Sum(passwordBytes));
} else if (type == PasswordHashType.Sha1) {
info.Hash = Convert.ToBase64String(PasswordUtils.Sha1Sum(passwordBytes));
}
return info;
}
