Understanding ransomware – What makes plain-text-attacks or brute-forcing so hard?
65027
Knowing pre-encryption data, can we find the private key CryptoLocker used?
110915
Difference between known-plaintext attack and forward search attack
136944
Prevent Brute Force Attack
124935
AES-CBC ciphertext manipulation with known IV and plaintext!
13745
Preventing brute force attacks against ssh?
9213
Attacks of the MAC construction $\mathcal{H}(m\mathbin\|k)$ for common hashes $\mathcal{H}$?
158415
Is Poly1305 an information-theoretically secure MAC?
115189
Why does CTR mode XOR the plaintext into the output of the block cipher rather than XORing the plaintext into the input of the block cipher?
109037
Differences between hash- and encryption algorithms?
152133
Password hashing, salt and storage of hashed values
87659
SHA256 HMAC brute force with chosen plaintext attacks
56980
How hard is it to generate a simultaneous MD5 and SHA1 collision?
111491
Affine Cipher Cryptanalysis
117836
RC4 , Is it possible to find the key if we know the plaintext and ciphertext?
100298
Is 80 bits of key size considered safe against brute force attacks?
128850
Proving an encrypted message contains (but does not 100% consist of) a plain-text message?
33680
Malleability attacks against encryption without authentication