Why is appending the key to a mesage and then hashing that insecure if the hash isn't weakly collision resistant?
9213
Attacks of the MAC construction $\mathcal{H}(m\mathbin\|k)$ for common hashes $\mathcal{H}$?
72196
How is PBKDF2 so much better than normal Hashing or even using HMAC
84399
Why is plain-hash-then-encrypt not a secure MAC?
85503
Will hashing over and over eventually give the same hash?
54384
Why does SHA-2 call for doing 10* padding in addition to appending the message length?
143420
Recommended way of adding a pepper/secret key to password before hashing?
54163
What makes a hash function good for password hashing?
157959
Difference between encrypting something and hashing something
97141
Is any 64-bit portion of a 128-bit hash as collision-proof as a 64-bit hash?
108752
Why not compare e.key directly instead of assigning it to a variable?
56777
Purpose of outer key in HMAC
43473
Turning a cipher into a hashing function
56980
How hard is it to generate a simultaneous MD5 and SHA1 collision?
107062
Why is Diffie Hellman used alongside public keys?
145530
Is it theoretically possible to construct a string that contains its own hash value?
73456
Why hash or salt when signing?
56094
Why use a prime number in hashCode?