Samuel Neves

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19 Posts

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May
30
 answered Do recent announcements about solving the DLP in $GF(2^{6120})$ apply to schemes proposed for cryptographic use?
May
13
 answered Trying to better understand the failure of the Index Calculus for ECDLP
Mar
26
 answered Solving hard problems in $\mathbb Z_{p}^{*}$ when $\mathbb p$ is close to $\mathbb 2^{n}$
Mar
14
 answered How to perform Multiplicative Inverse Modulo in IDEA
Jan
31
 answered Is (2^333)-1 a prime number?
Jan
22
 answered Discrete logs on elliptic curve with embedding degree 3 with the 'MOV' attack
Dec
29
 answered Choosing good parameter for Lenstra's elliptic curve factorization
Nov
5
 answered Why doesn't CTR mode require blocking?
Jun
26
 answered How does the cyclic attack on RSA work?
Jun
13
 answered Why would anyone use an elliptic curve with a cofactor > 1?
Apr
7
 answered In RSA, rationale for prime $p$ with $p-1$ having prime factor $u$ with $u-1$ having large prime factor?
Feb
21
 answered Standardized parameters for elliptic curve cryptography
Dec
1
 answered Are safe primes $p=2^k \pm s$ with $s$ small less recommandable than others as a discrete log modulus?
Sep
29
 answered Can ECDSA signatures be safely made “deterministic”?
Sep
23
 answered How long does it take to crack DES and AES?
Sep
2
 answered Why is public-key encryption so much less efficient than secret-key encryption?
Sep
1
 answered What is the sign bit for in Feige-Fiat-Shamir?
Aug
30
 asked Pairing-friendly curves in small characteristic fields
Aug
28
 answered How to practically find solutions to a discrete logarithm?