All Questions
3 questions
1
vote
0
answers
819
views
CBC-MAC Padding weaknesses
I'm trying to wrap my head around how different padding methods affect the strength of CBC-MAC's. Suppose a message is split into different blocks, m1, m2, m3 etc. and the last block is padded with 0'...
- 11
0
votes
1
answer
137
views
For TLS AES_CCM mode how does CBC_MAC work when the message length is not aligned to block size?
Even after goign through lot of specs I failed to understand how CBC-MAC works, specifically in case we have message not aligned to 16 bytes. Are there any padding bytes?
- 187
0
votes
0
answers
223
views
NRPAD and FPAD padding schemes (Korean Seed?)
I've got an API spec that specifies NRPAD and FPAD as possible padding schemes. I see these being used together with the Korean SEED algorithm. The SEED specification however is void of any padding ...
- 94.5k