hashing Flashcards
1
Q
Hash function applications
A
sign rsa(h(m)) instead of h(m)
master key derivation
message authentication
2
Q
extendable output function XOF
A
a function which output can be extended to any length
3
Q
hash function characteristics
A
preimage resistance: for h about 2^n are needed
second preimage resistance :
collision resistance :