Secure command line "enc -K"

2009-11-26 Thread Michael D. Adams
ommand line) except I want to bypass the key derivation function. (If I were hashing instead of encoding I would just use "openssl sha1 -sign hmac.pem".) Michael D. Adams __ OpenSSL Project

Re: Secure Command Line MAC Computation

2009-10-01 Thread Michael D. Adams
k as in "(*)" except that now the attacker is attacking the IV and doesn't need to use the backup system as an oracle. He can just run the hash algorithm himself. (***) We don't need a block-cipher mode here (it'

Re: Secure Command Line MAC Computation

2009-10-01 Thread Michael D. Adams
th "ps -f" someone else in *another* room can see the command line arguments of programs that I run. You wouldn't "chmod a+r" your key files now would you? Having key contents appears as a command line argument does effecti

Re: Secure Command Line MAC Computation

2009-10-01 Thread Michael D. Adams
y mind there is a large leap between 'normal users could get this secret info' and 'user's with root access could get this secret info'. Michael D. Adams __ OpenSSL Project

Secure Command Line MAC Computation

2009-10-01 Thread Michael D. Adams
"-pass file:" would be available, but I haven't been able to find an equivalent for "openssl dgst" (even the 1.0beta's "-macopt" flag doesn't do this). Am I missing something here? What is the p