poncho

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309 Posts

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Mar
25
 answered How to use HMAC for large ciphertexts over TLS
Mar
21
 answered How large should a Diffie-Hellman p be if the messages are encrypted?
Mar
20
 answered Encrypting and Decrypting a 19-digits long BigInteger
Mar
20
 answered How does the rand() function in C work?
Mar
19
 answered Brute forcing an HMAC
Mar
19
 answered Selecting a large NUMS Safe prime
Mar
14
 answered How to perform Multiplicative Inverse Modulo in IDEA
Mar
12
 answered How to obtain a one-value share in Shamir's secret sharing
Mar
9
 answered Can one detect if two pairs of elements in Zp have the same exponential relation?
Mar
8
 answered ChaCha cipher + Poly1305
Mar
6
 answered Is this encryption algorithm build from MD5 secure?
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?
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