Tagged Questions

1
vote
1answer
325 views

Finding CRC collisions for specific divisor

My current textbook (Information Security: Principles and Practice by Mark Stamp) discusses how to determine the CRC of data via long-division, using XOR instead of subtraction to determine the ...
5
votes
3answers
537 views

Understanding CRC

There are zillions of articles describing CRC. What can I ready to understand more deeply what's really going on? Both from an algebraic perspective and a bit-manipulation perspective, I'd like to ...
3
votes
2answers
831 views

Brute forcing CRC-32

I'm working on a cryptosystem which uses IDEA. The designer made the mistake of including a CRC-32B hash of the password unencrypted in the header, so that the system can quickly reject bad ...