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303 Answers

newest activity votes
5
Is the following scheme secure for different cipher
5
Is it safer to generate your own Diffie-Hellman primes or to use those defined in RFC 3526?
5
What should be the size of a Diffie-Hellman private key?
5
What should be the size of a Diffie-Hellman private key?
5
Is the new preprint “An Algorithm For Factoring Integers” by Yingpu Deng and Yanbin Pan worth reading?
5
Finding CRC collisions for specific divisor
5
Differential cryptanalysis - breaking the last round of FEAL4?
5
How can I avoid calculating with huge numbers when implementing the RSA algorithm
5
Zero Knowledge Password Proof
5
What does SSL use? RSA? El-Gamal? Elliptic curves?
5
What is the property of RSA where N=e?
5
Is a RSA-signature of some identifying data a safe way to implement a license key?
5
What are the consequences of a MAC tag collision?
5
How does a key wrapping like RFC 3394 secure my cryptographic keys?
5
How can I encrypt more than 64 bit with the Data Encryption Standard?
5
At the current time, is SHA256 the de facto standard for strong cryptographic hashes?
5
How are constructs with data-dependent swaps and rotations cryptanalyzed?
4
How to derive two keys from one password
4
Why is $h(H, m) = E(m, H) \oplus m$ insecure?
4
ElGamal: Generation of “g” value?
4
Do I need to know the “mode of operation” to decrypt a message encrypted with a block cipher?
4
How large should a Diffie-Hellman p be if the messages are encrypted?
4
Encrypting and Decrypting a 19-digits long BigInteger
4
Possibility of factorisation of rsa modulus due to vulnerability in java implementation code
4
How to find an element of high-order in an RSA group?
4
Does it take brute force to find a pair of plaintext and ciphertext that each follow a certain condition, given an AES encryption key?
4
Why work in a subgroup QR(n) of an RSA group $Z^*_n$?
4
iterated discrete log problem
4
Carmichael number factoring
4
How can I use eulers totient and the chinese remainder theorem for modular exponentiation?
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