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Mar
24
revised Bit commitment, two blobs with same bit, without revealing it?
edited body
Mar
24
revised Bit commitment, two blobs with same bit, without revealing it?
added 487 characters in body
Mar
24
answered Bit commitment, two blobs with same bit, without revealing it?
Mar
23
comment Is Encryption without knowing the input directly possible at all?
Not unless the $n$ parties sit down and compare results afterwards -- that wasn't mentioned within the problem statement.
Mar
23
comment Is Encryption without knowing the input directly possible at all?
One of the things that both Alice and Bob need to prove is that what they generate is some permutation of the inputs; for example, Bob didn't discard $t_1$, and gave two encryptions of $t_2$.
Mar
23
reviewed Reviewed Is Encryption without knowing the input directly possible at all?
Mar
23
reviewed Reviewed What is this cryptosystem called?
Mar
23
answered What is the best hash for HMAC?
Mar
22
reviewed No Action Needed Are there cryptographic schemes that mask as unencrypted traffic?
Mar
21
comment AES product function
One way is $(01010111)\times(00000100) = (01010111)\times(00000010)\times(00000010)$ - you already know how to evaluate the right side. We know this is true because $(00000100)= (00000010)\times(00000010)$
Mar
21
reviewed Leave Open Are factorization algorithms parallelizable?
Mar
20
revised RC4 , Is it possible to find the key if we know the plaintext and ciphertext?
added 1615 characters in body
Mar
20
answered RC4 , Is it possible to find the key if we know the plaintext and ciphertext?
Mar
20
comment Determining nonce between unsynced systems
@BrentonGraefe: Because you don't encrypt it -- you send the unencrypted nonce along with the encrypted packet.
Mar
19
answered Determining nonce between unsynced systems
Mar
19
answered HMAC tag to verify the key (verification in the reverse direction)
Mar
19
reviewed Leave Open Deciphering text encrypted with a changing cipher
Mar
18
reviewed Satisfactory Generate secure password hashes without access to PBKDF2 or bcrypt
Mar
17
awarded  Reviewer
Mar
17
reviewed No Action Needed Weaknesses of truncated hash value