poncho

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314 Answers

newest activity votes
1
Can two rc4 encoded messages be XORed and decrypted if encrypted with the same key?
mar 28 at 18:36
5
How to use HMAC for large ciphertexts over TLS
mar 25 at 21:21
4
How large should a Diffie-Hellman p be if the messages are encrypted?
mar 21 at 17:10
4
Encrypting and Decrypting a 19-digits long BigInteger
mar 20 at 21:39
2
How does the rand() function in C work?
mar 20 at 16:30
5
Brute forcing an HMAC
mar 19 at 22:16
3
Selecting a large NUMS Safe prime
mar 19 at 4:02
5
How to perform Multiplicative Inverse Modulo in IDEA
mar 14 at 18:19
2
How to obtain a one-value share in Shamir's secret sharing
mar 12 at 15:17
3
Can one detect if two pairs of elements in Zp have the same exponential relation?
mar 9 at 14:26
3
ChaCha cipher + Poly1305
mar 8 at 3:26
6
Is this encryption algorithm build from MD5 secure?
mar 6 at 14:23
4
Possibility of factorisation of rsa modulus due to vulnerability in java implementation code
mar 5 at 17:02
5
Simple RC4 key generation scheme
mar 3 at 21:47
5
In RSA, how to make sure that $p-1$ and $q-1$ are still hard to factorize?
mar 2 at 15:49
1
Is it possible to create a Bilinear Function with Already Assigned “Multiplicative” Input Groups?
mar 1 at 20:54
2
How to efficiently generate a stream of independent, but biased random bits?
feb 27 at 18:43
5
How hard are discrete logarithms problems in $\mathbb Z^{*}_{n}$ and $\mathbb Z^{*}_{n^2}$, where $n$ is the RSA $n=pq$
feb 24 at 18:11
9
From hash to Cryptographic hash
feb 20 at 19:29
5
ASCII Message in TV show?
feb 13 at 1:29
1
Is such a crypto-system available?
feb 6 at 16:37
2
Source for examples with broken cryptography
feb 4 at 20:32
2
Is there a problem with constructing a CSPRNG using MD5 or SHA1?
feb 4 at 20:19
1
Zero-knowledge identification of the majority commitment
feb 3 at 22:17
2
AES CBC with fixed or predictable IV, what are the risks?
feb 3 at 18:15
5
Why is feed-forward mechanism used in hash functions?
jan 30 at 13:50
3
How is the x coordinate of a “point at infinity” encoded in a Secp256k1 signature?
jan 28 at 21:33
4
How to find an element of high-order in an RSA group?
jan 26 at 22:43
5
In the Paillier cryptosystem, is there a method to judge whether an encrypted number is less than 0 (without the private key)
jan 23 at 21:47
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?
jan 22 at 4:44
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