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Mar
5
answered Possibility of factorisation of rsa modulus due to vulnerability in java implementation code
Mar
3
answered Simple RC4 key generation scheme
Mar
2
answered In RSA, how to make sure that $p-1$ and $q-1$ are still hard to factorize?
Mar
1
answered Is it possible to create a Bilinear Function with Already Assigned “Multiplicative” Input Groups?
Feb
27
answered How to efficiently generate a stream of independent, but biased random bits?
Feb
24
answered How hard are discrete logarithms problems in $\mathbb Z^{*}_{n}$ and $\mathbb Z^{*}_{n^2}$, where $n$ is the RSA $n=pq$
Feb
20
answered From hash to Cryptographic hash
Feb
13
answered ASCII Message in TV show?
Feb
6
answered Is such a crypto-system available?
Feb
4
answered Source for examples with broken cryptography
Feb
4
answered Is there a problem with constructing a CSPRNG using MD5 or SHA1?
Feb
3
answered Zero-knowledge identification of the majority commitment
Feb
3
answered AES CBC with fixed or predictable IV, what are the risks?
Jan
30
answered Why is feed-forward mechanism used in hash functions?
Jan
28
answered How is the x coordinate of a “point at infinity” encoded in a Secp256k1 signature?
Jan
26
answered How to find an element of high-order in an RSA group?
Jan
23
answered In the Paillier cryptosystem, is there a method to judge whether an encrypted number is less than 0 (without the private key)
Jan
22
answered Does it take brute force to find a pair of plaintext and ciphertext that each follow a certain condition, given an AES encryption key?
Jan
21
answered Security for IV in AES-GCM mode
Jan
21
answered Why work in a subgroup QR(n) of an RSA group $Z^*_n$?