Пример #1
0
 public static void fill(GpwData xx)
 {
     int c1, c2, c3;
     for (c1 = 0; c1 < 13; c1++)
     {
         for (c2 = 0; c2 < 26; c2++)
         {
             for (c3 = 0; c3 < 26; c3++)
             {
                 xx.set_Renamed(c1, c2, c3, tris1[c1][c2][c3]);
             } // for c3
         } // for c2
     } // for c1
 }
Пример #2
0
        /// <summary>
        /// Generates a set of pronounceable passwords.
        /// </summary>
        /// <param name="PasswordCount">The number of passwords to generate.</param>
        /// <param name="PasswordLength">The character length of the passwords.</param>
        /// <returns>An ArrayList of passwords as strings.</returns>
        public ArrayList Generate(int PasswordCount,int PasswordLength)
        {
            if (data == null)
            {
                data = new GpwData();
            }
            ArrayList result = new ArrayList();

            int c1, c2, c3;
            long sum = 0;
            int nchar = 0;
            long ranno = 0;
            int pwnum = 0;
            double pik = 0;
            StringBuilder password = new StringBuilder();
            System.Random ran = new System.Random(); // new random source seeded by clock

            // Pick a random starting point.
            for (pwnum = 0; pwnum < PasswordCount; pwnum++)
            {
                password = new System.Text.StringBuilder(PasswordLength);
                pik = ran.NextDouble(); // random number [0,1]

                ranno = (long) (pik * data.Sigma); // weight by sum of frequencies
                sum = 0;
                for (c1 = 0; c1 < 26; c1++)
                {
                    for (c2 = 0; c2 < 26; c2++)
                    {
                        for (c3 = 0; c3 < 26; c3++)
                        {
                            sum += data.get_Renamed(c1, c2, c3);
                            if (sum > ranno)
                            {
                                password.Append(alphabet[c1]);
                                password.Append(alphabet[c2]);
                                password.Append(alphabet[c3]);
                                c1 = 26; // Found start. Break all 3 loops.
                                c2 = 26;
                                c3 = 26;
                            } // if sum
                        } // for c3
                    } // for c2
                } // for c1

                // Now do a random walk.
                nchar = 3;
                while (nchar < PasswordLength)
                {
                    c1 = alphabet.IndexOf((System.Char) password[nchar - 2]);
                    c2 = alphabet.IndexOf((System.Char) password[nchar - 1]);
                    sum = 0;
                    for (c3 = 0; c3 < 26; c3++)
                        sum += data.get_Renamed(c1, c2, c3);
                    if (sum == 0)
                    {
                        break; // exit while loop
                    }
                    pik = ran.NextDouble();
                    ranno = (long) (pik * sum);
                    sum = 0;
                    for (c3 = 0; c3 < 26; c3++)
                    {
                        sum += data.get_Renamed(c1, c2, c3);
                        if (sum > ranno)
                        {
                            password.Append(alphabet[c3]);
                            c3 = 26; // break for loop
                        } // if sum
                    } // for c3
                    nchar++;
                } // while nchar

                result.Add(password.ToString());
            } // for pwnum

            return result;
        }