If Kerckhoffs's principle is correct why does the NSA not publish their Suite A ciphers?
13946
Why are cryptography algorithms not exported to certain countries?
58029
Why is a Diffie-Hellman key exchange required when RSA is already being used for key exchange in TLS?
37467
With sufficient randomness, is XOR an acceptable mechanism for encrypting?
138241
Is there an encryption method where the order of decryption is irrelevant to the order of encryption?
3765
Is it possible to obtain AES-128 key from a known ciphertext-plaintext pair?
133796
Why Curve25519 for encryption but Ed25519 for signatures?
103938
Why RSA uses {d,n} as private key instead of {e,n}?
106628
Why should the primes used in RSA be distinct?
91589
Why does the recommended key size between symmetric and asymmetric encryption differ greatly?
55689
Why are the Davies-Meyer and Miyaguchi-Preneel constructions secure?
26526
Why is AES resistant to known-plaintext attacks?
117836
RC4 , Is it possible to find the key if we know the plaintext and ciphertext?
38334
How does PKCS 1.5 solve the insecureness of Textbook RSA?
144598
Why do we need Diffie Hellman?
40397
P = NP and current cryptographic systems
117195
For Diffie-Hellman, must g be a generator?
5351
How do I apply differential cryptanalysis to a block cipher?