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seen Nov 19 at 1:12

Oct
27
comment Large file validation on an embedded system through hash and encryption
Yes. As I understand you want to ensure correctness of your data by storing a hash but are worried about SHA2's worse performance vs. MD5's worse security. My answer is that 1) MD5 is probably secure enough 2) you could instead use Skein or BLAKE. I did not care about the possibility of an attacker simply changing the stored hash which did not seem to be your concern.
Oct
27
answered Client-server communication
Oct
26
answered Monoalphabetic cipher key
Oct
24
answered Large file validation on an embedded system through hash and encryption
Oct
21
answered Does google's Crypto.JS AES encryption use PBKDF2 as default?
Jul
14
answered Clarification of the terms “brute force” and “guess”
Jun
2
answered How can I process data within a cloud securely?
May
31
answered Encryption of log files
May
31
answered How to prove identity without revealing identity
May
30
comment Looking for crypto with derived keys?
I don’t understand your question. Who shall encrypt and who shall decrypt and why do you need multiple encryption(?) keys.
Apr
14
awarded  Supporter
Jan
31
awarded  Editor
Jan
31
revised Is knowing the distribution of input domain only way to do cipher text only attacks?
deleted 11 characters in body
Jan
31
awarded  Teacher
Jan
31
awarded  Informed
Jan
31
answered Is knowing the distribution of input domain only way to do cipher text only attacks?