Questions tagged [md2]
RFC 1319 — The MD2 Message-Digest Algorithm is a cryptographic hash function which is no longer considered secure.
3 questions
7
votes
1
answer
2k
views
Why did MD4 replace MD2?
MD2 was a hash function based on swapping bytes in a state array permutation, much like the RC4 stream cipher, whereas MD4 was a novel construction. MD4 replaced MD2 despite the fact that MD4 is more ...
- 15.5k
1
vote
0
answers
172
views
Is text description of MD2 algorithm wrong?
I'm trying to implement MD2 from scratch of RFC 1319. It feels like there is a gap between steps 3.2 & 3.3.
After step 2, the checksum C is appended to the message and never mentioned again. We ...
- 11
41
votes
3
answers
4k
views
How is the MD2 hash function S-table constructed from Pi?
For fun, I'm learning more about cryptography and hashing. I'm implementing the MD2 hash function following RFC 1319 (https://www.rfc-editor.org/rfc/rfc1319). I'll preface by saying I know there are ...
- 513