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Mar
12
comment Encrypting many small messages (log-lines)
fgrieu mentioned integrity. gzip will actually ensure some integrity, because gzip has a weak integrity algorithm (CRC-32), however cryptographic systems usually require better integrity protection. Does gzip help here too much, BTW? gzip is not very efficient compression mechanism for small messages.
Mar
12
comment Encrypting many small messages (log-lines)
Is it a problem if Mallery can replay messages? Because the messages do not have sequence numbering, like ESP, then possibly somebody can record messages and attempt to replay. Instead of AES-CBC, AES-CBC-CS1/2/3 could be useful to avoid padding AES-CBC requires.
Mar
8
answered What is the usual block cipher mode that goes with CTS
Mar
8
answered Is SHA-256 secure as a CTR block cipher?
Feb
8
awarded  Teacher
Feb
7
answered RSA primes vs. largest known primes