public static TLString GetX(TLString password, TLPasswordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow algo)
{
var x_bytes = Telegram.Api.Helpers.Utils.ComputeSHA256(TLUtils.Combine(algo.Salt1.Data, password.Data, algo.Salt1.Data));
x_bytes = Telegram.Api.Helpers.Utils.ComputeSHA256(TLUtils.Combine(algo.Salt2.Data, x_bytes, algo.Salt2.Data));
x_bytes = PBKDF2.GetHash(x_bytes.AsBuffer(), algo.Salt1.Data.AsBuffer()).ToArray();
x_bytes = Telegram.Api.Helpers.Utils.ComputeSHA256(TLUtils.Combine(algo.Salt2.Data, x_bytes, algo.Salt2.Data));
return(TLString.FromBigEndianData(x_bytes));
}
public static TLString GetNewHash(TLPasswordKdfAlgoBase kdfAlgoBase, TLString password)
{
var algo = kdfAlgoBase as TLPasswordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow;
if (algo != null)
{
var salt1 = algo.Salt1;
var salt2 = algo.Salt2;
var hash1 = GetHash(salt1, password);
var hash2 = GetHash(salt2, hash1);
var hash3 = PBKDF2.GetHash(hash2.Data.AsBuffer(), salt1.Data.AsBuffer());
var hash4 = GetHash(salt2, TLString.FromBigEndianData(hash3.ToArray()));
return(hash4);
}
return(null);
}