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- Mon Sep 25, 2017 5:42 pm
- Forum: QBASIC and QB64 Questions & Answers
- Topic: AES 128 Bit CBC Mode Encrypt/Decrypt
- Replies: 0
- Views: 53706
I had a qb4.5 program that I needed to add Decrypt/Encrypt to. I needed to read in a registration.dat file, decrypt it, modify a few bytes of the data, re-encrypt it and write it to a license.lic file. I was not trying to crack the encryption as I knew the encryption keys and initialization vector. ...