Inversion in $GF(2^8)$ AES
57846
Multiplicative inverse in $\operatorname{GF}(2^8)$?
104056
Finding element in binary representation of $GF(2^6)$
50473
How does the "biased-$k$ attack" on (EC)DSA work?
47299
Factorize $x^8-x$ over $F_3$ and $F_{81}$
126025
Computing the inverse of a permutation
114830
bit-wise operation unary ~ (invert)
127764
Showing that $\mathbb{Q}[\sqrt{2}, \sqrt{3}]$ contains multiplicative inverses
42332
Existence of multiplicative inverse in field $\mathbb{Q}(\sqrt{d})$
96356
Keccak padding implementation, and bit ordering
72335
On-the-fly computation of AES Round Keys for decryption?
44186
How were the AES key and block length subsets of Rijndael selected?
49053
Knowing the key, how do I decrypt the affine cipher?
135719
Solving Vigenère Encryption
143066
How to secure Elliptic Curve ElGamal encryption against known plaintext attacks?
41692
Why does key generation take an input $1^k$, and how do I represent it in practice?
2954
Extended Euclidean Algorithm in $GF(2^8)$?
139568
Can double-encrypting be easier to break then either algorithm on its own?