readme.txt

来自「一个VB小程序,能够进行大数的计算,可以作为学习的参考」· 文本 代码 · 共 30 行

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Subject: Readme file for large-integer arithmetic Basic library
Author : Sjoerd.J.Schaper - [e-mail]
Date   : 05-05-2004
Code   : Visual Basic for Windows 5.0 DLL demo
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To run this demo
1) Copy all files to directory C:\Temp, including the three
 common files "bignumVB.dll", "bignumVB.bi" and "PrintFun.bas".
2) Open projectfile "Crypto.vbp" in the Visual Basic 5.0
 programming environment and press F5 to start.
3) Select field "Bitlength N" and press [Enter] to create
 256 bit keyfiles "Public.key" and "Private.key".
4) Select field "Plaintext", choose "Original.txt"
 and press [Enter] to start public-key encryption.
5) Select field "Ciphertext", choose "Encoded.bin"
 and press [Enter] to retrieve the plaintext.
6) Press F4 or [Alt]+R; Q to quit.

Never encrypt source files, but always use copies, as the
plaintext will be padded with nullbytes to fit the keylength.

If you want to start coding with the library, you'll find do's & don'ts
and a short description of the task each routine is able to perform in
include file "bignumVB.bi".

Read about public-key encryption at
  http://www.rsasecurity.com/rsalabs/faq/3-1-1.html