Can $AES_{k1}(m)$ be equal to $AES_{k2}(m)$?
103287
AES-128. Do there exist two different keys for a pair (text, encrypted text)?
86174
Finding an isomorphism between these two finite fields
147696
Security equivalence proofs for breaking RSA
151805
Prove that $\tau (x_1 x_2 ... x_k) \tau^{-1} = (\tau(x_1) \tau(x_2) ... \tau (x_k))$
79863
How are the AES S-Boxes calculated?
152104
How do I prove that $ij = k?$
25004
Proving $\binom{m}{n} + \binom{m}{n-1} = \binom{m+1}{n}$ algebraically
40158
Why is $H(k\mathbin\Vert x)$ not a secure MAC construction?
138088
Diffie-Hellman key exchange: Why is $(g^{k_1} \bmod n )^{k_2} \bmod n \equiv (g^{k_2} \mod n)^{k_1} \bmod n$
48291
Proof that $\mathrm{ker}(f^*) = \mathrm{im}(f)^{\perp} $
93846
Key equivalence across different elliptic curves
51465
New, elegant proofs for $\varphi(p^{k})=p^{k}-p^{k-1}$
154933
Prove $(p-k)!(k-1)!\equiv (-1)^k \text{ mod p }$
43219
If $[K(\alpha):K]=p\neq q=[K(\beta):K]$ then $[K(\alpha+\beta):K]=pq$
128476
Is there an AES identity key?
29545
$[(x-a_1)(x-a_2) \cdots (x-a_n)]^2 +1$ is irreducible over $\mathbb Q$
97258
Give $\ker(\phi)$ for $\phi: \mathbb{Z} \to \mathbb{Z_7}$ such that $\phi(1)=4$