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May
8
answered Increased CRC collision probability when adding bits to input message
May
7
answered Weak One Way Function
May
4
answered How to derive two keys from one password
Apr
30
answered Padding of Original Message in MD5
Apr
25
answered AES plaintext is smaller than 128 bits - how to expand?
Apr
23
answered Using the output of a stream cipher, how to guarantee the integrity of 4 bytes of data?
Apr
20
answered Chain several RSA encryptions without increasing the message size
Apr
19
answered How to learn the first bit of m in padded RSA
Apr
17
answered Why is $h(H, m) = E(m, H) \oplus m$ insecure?
Apr
17
answered Keys required for cryptography
Apr
14
answered Comprehension question on a signature protocol based on the RSA assumption
Apr
13
answered ElGamal: Generation of “g” value?
Apr
10
answered What does “adaptively secure” mean?
Apr
6
answered Do I need to know the “mode of operation” to decrypt a message encrypted with a block cipher?
Apr
6
answered Is there a preferred way/standard on how to transmit an initialization vector for AES encryption
Apr
2
answered “Weaknesses” in SHA-256d?
Mar
28
answered Can two rc4 encoded messages be XORed and decrypted if encrypted with the same key?
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