poncho

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303 Answers

newest activity votes
3
Physical Level Encryption
5
How does OAEP improve the security of RSA?
2
Generating IV in TLS 1.2
8
Increased CRC collision probability when adding bits to input message
1
Weak One Way Function
4
How to derive two keys from one password
3
Padding of Original Message in MD5
7
AES - plaintext is smaller 128 bit - how to expaned?
1
Using the output of a stream cipher, how to guarantee the integrity of 4 bytes of data?
3
Chain several RSA encryptions without increasing the message size
2
How to learn the first bit of m in padded RSA
4
Why is $h(H, m) = E(m, H) \oplus m$ insecure?
2
Keys required for cryptography
2
Comprehension question on a signature protocol based on the RSA assumption
4
ElGamal: Generation of “g” value?
6
What does “adaptively secure” mean?
4
Do I need to know the “mode of operation” to decrypt a message encrypted with a block cipher?
7
Is there a preferred way/standard on how to transmit an initialization vector for AES encryption
5
“Weaknesses” in SHA-256d?
1
Can two rc4 encoded messages be XORed and decrypted if encrypted with the same key?
5
How to use HMAC for large ciphertexts over TLS
4
How large should a Diffie-Hellman p be if the messages are encrypted?
4
Encrypting and Decrypting a 19-digits long BigInteger
2
How does the rand() function in C work?
5
Brute forcing an HMAC
3
Selecting a large NUMS Safe prime
5
How to perform Multiplicative Inverse Modulo in IDEA
2
How to obtain a one-value share in Shamir's secret sharing
3
Can one detect if two pairs of elements in Zp have the same exponential relation?
3
ChaCha cipher + Poly1305
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