Qbasic/QuickBasic Programming

This zip file contains three [3] Windows executables, with source code, three [3] PDFs and two [2] text files. This suite of programs makes two [2] major changes of my Original Version of Reciprocal Vigenère Square Table Suite, located here: https://qb45.org/files.php?action=showfile&id=1985 The first major change is that it is no longer necessary to manually type in the desired table linear string in any of the executables. Now, different table linear strings can be stored in a text file and edited to ensure accuracy. The string of choice may then be copied, and pasted into any of the executables. Example_Table_Linear_Strings.txt illustrates this and the resulting tables can be viewed in Extended_Reciprocal_Tables_Examples_II.pdf that were made with the Reciprocal_Table_Generator_II.exe. Remember to use the Consolas TrueType Font when printing a table. The second major change is that each cell in a table NOW contains three [3] characters. At the intersection of a row and column, in any cell, the left first two letters/numbers/characters indicate the row & column of that cell - in that order. The right side lower case letter/number/character in any cell is the UPPER CASE letter/number/character chosen to encrypt or decrypt. For example, if the cell shows GOq, it means Row G, Column O, and encrypt or decrypt with Q. Having all this information in each cell minimizes choosing the wrong cell. The Reciprocal_Table_Solver_II.exe is made to encrypt/decrypt a message one-step-at-a-time. The Reciprocal_Table_Auto-Key_Solver_II.exe is made to encrypt/decrypt a message all-at-once, using the Auto-Key method. The Extended_Reciprocal_Tables_II.pdf has two tables formatted in 17" X 11" Landscape Tabloid size if you want to have a commercial service print and optionally laminate either of them. This is for those who want to do paper and pencil encryption/decryption as was done before computers.

Source included - QB64 - 1.52 MB - 353 downloads

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