Modul 7 Flashcards
hash and hash functions
1
Q
what is the requirements of good hash function ?
A
- any size of input
- output fixed length
- easy to get output
- hard to reverse
2
Q
What is collision resistance ?
A
- hacker cannot generate two message that generate the same MD
3
Q
what is the minimum size of MD ?
A
256
4
Q
What is the process of a simple Hash algorithm
A
- divide data into n-bit blocks
- initial value of n-bit 0
- rotate left
- XOR previous values