On Tue, Jul 21, 2009 at 10:46, Dr. Stephen Henson wrote: > On Tue, Jul 21, 2009, Fred Keet wrote: >> At this point I've got code that generates the ec keys from the sect163k1 >> curve, and then signs a block of data. When I compare this with the ecsign >> utility they provide (apparently built on Miracl) the two signatures do not >> match, so it seems that the curve parameters will be necessary. > > What do you mean "do not match"? ECDSA uses a random value during signature > generation so signing the same data with the same key is highly unlikely to > produce the same signature.
the ecsign utility requires you provide the random seed. it doesnt seem like openssl does, so the source will need hacking for that i guess. -mike ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org