Re: Distinctions between EVP_* functions

2012-05-29 Thread Dr. Stephen Henson
On Tue, May 29, 2012, Naveen Nathan wrote: > Hi, > > I'm trying to understand the distinction between: > > EVP_DigestSign* and EVP_Sign*. I'm trying to understand how openssl > performs HMAC on the command line. It seems to use the EVP_DigestSign > with a key type EVP_PKEY* which stores a symmet

Distinctions between EVP_* functions

2012-05-29 Thread Naveen Nathan
Hi, I'm trying to understand the distinction between: EVP_DigestSign* and EVP_Sign*. I'm trying to understand how openssl performs HMAC on the command line. It seems to use the EVP_DigestSign with a key type EVP_PKEY* which stores a symmetric MAC key. Is EVP_DigestSign* specifically different so