query: Why don't we use H(m||k) as a MAC?
positive_passages.docid: 9213
positive_passages.text: Attacks of the MAC construction $\mathcal{H}(m\mathbin\|k)$ for common hashes $\mathcal{H}$?
negative_passages.docid: 144598
negative_passages.text: Why do we need Diffie Hellman?
negative_passages.docid: 64776
negative_passages.text: Why have hashes when you have MACs?
negative_passages.docid: 94967
negative_passages.text: Why does the Mac ABI require 16-byte stack alignment for x86-32?
negative_passages.docid: 97141
negative_passages.text: Is any 64-bit portion of a 128-bit hash as collision-proof as a 64-bit hash?
negative_passages.docid: 41692
negative_passages.text: Why does key generation take an input $1^k$, and how do I represent it in practice?
negative_passages.docid: 8691
negative_passages.text: How is digital signature different from a message authentication code (MAC)?
negative_passages.docid: 102786
negative_passages.text: Why are the IV (constant) values fixed for HMAC/SHA?
negative_passages.docid: 91274
negative_passages.text: How critical are macOS Mojave compatibility requirements?
negative_passages.docid: 121662
negative_passages.text: Why can't MOV have both operands as memory locations?
negative_passages.docid: 117157
negative_passages.text: HMAC versus encrypted hash
negative_passages.docid: 15473
negative_passages.text: Why does HMAC use two different keys?
negative_passages.docid: 115617
negative_passages.text: Why does OS X use swap memory when memory pressure remains low?
negative_passages.docid: 40587
negative_passages.text: Why not allow an external interface to provide hashCode/equals for a HashMap?
negative_passages.docid: 5140
negative_passages.text: CBC-MAC Padding weaknesses
negative_passages.docid: 117484
negative_passages.text: Why is $c+q$ still a primitive root modulo $q$?
negative_passages.docid: 75254
negative_passages.text: Properties possessed by $H , G/H$ but not G