Crack Access database password
Is it like this to issue August 03, 2004
2003-11-23 17:39:28 Read 687 times We are using the Access database, sometimes forget the password, what should I do? There are a lot of decryptors on the Internet, but we have to find such a decryption device, if you have a foundation for the writing of the program, let's do a dedicated decryption device. Principle: First, we must understand the encryption method of Access database. The effective password of the Access database is 13 bits. When not encrypted, the 67th to 79th bits of the database are a fixed string, each ASCII code value is 86, FBec37, 5d, 44,9c, FA, C6, 5E, 28, E6, 13. When encryption, the ASCII code value of each bit of the password is different or the ASCII code value of the 67 to 79-bit characters, and a new string is obtained, written back to 67 to 79 bits. I know the encryption method and the decryption is easier. The ASCII code values of 67 to 79-bit characters are different from "86, FB, EC, 37, 5D, 44, 9C, Fa, C6, 5E, 28, E6, 13", and passwords can be obtained. Below we use VB to make a small program to implement the decryption of the Access database.
Place a general dialog control on the form Commondialog1, which is set to "Access Database File .mdb"; Text Box Control Text1, Command Control Command1, its CAPTION property is set to "Get Password".
The code is as follows: Option expeger Source = & hfb source 1 = & hfb source 1 = & hfb source 3 = = = & h44 source = & h9c Source 7 = & hfa sou
RCE = & HC6 Source 9 = & h5E Source 10 = & H28 Source 11 = & HE6 Source 12 = & H13 CommonDialog1. Showopen if Commondialog1. FileName = "" The EXIT SUB OPEN COMMONDIALOG1. Filename for binary as # 1 for i = 0 to 12 get # 1 67 Temp if Temp = Source THEN EXIT FO
