Why is Keccak-f reversible?
122054
SHA-3 Sub-Function Reversibility Clarification
53258
Why exactly does the time-reversal operator need to be anti-linear?
142888
Why, intuitively, is the order reversed when taking the transpose of the product?
123109
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
12864
Reverse / invert a dictionary mapping
87680
How to reverse '-proposed' channel package upgrade?
53198
Reversibility of the rules of classical mechanics
5931
Why can't I reverse a hash to a possible input?
100908
How to break AES/CBC/PKCS5 when key and IV are reused?
80247
How does XOR variable swapping work?
87577
What does the vm.swappiness parameter really control?
136637
Why doesn't a commutator cause the rotation to reverse periodically or stop?
132767
How do I do a manual fsck?
40158
Why is $H(k\mathbin\Vert x)$ not a secure MAC construction?
79922
Orientation reversing diffeomorphism
138218
Is it possible to perform a rudimentary asymmetric key encryption algorithm by hand?
119299
Getting inverse of a transposition key