Re: Compute EC_KEY starting from X or Y coordinate only

2019-10-24 Thread Billy Brumley
> EC_GROUP* group = EC_GROUP_new_by_curve_name (NID_secp256k1); > "c16b4ce0532f5dc9d09114fe121d3956ae84f9eb677a0d4bdac1d3af7a91950c"; I don't believe there's a point on secp256k1 with that x-coordinate. If you check the failure reason for EC_POINT_set_compressed_coordinates_GFp

RE: use of makedepend in openssl 1.1.1

2019-10-24 Thread Michael Wojcik
> From: openssl-users [mailto:openssl-users-boun...@openssl.org] On Behalf Of > Richard Levitte > Sent: Thursday, October 24, 2019 13:56 > > shiva kumar skrev: (24 oktober 2019 20:41:28 CEST) > >what is the use of makedepend in openssl 1.1.1? > >openssl 1.1.1 can build without makepend then

Re: Compute EC_KEY starting from X or Y coordinate only

2019-10-24 Thread Luca Di Mauro
Hi, the link you posted below are very useful! However, after many trials and errors, I created a little program to derive a public key from an x-only coordinate but, in the last step, it fails, namely in the function 'EC_POINT_set_compressed_coordinates_GFp' called in the function

Re: use of makedepend in openssl 1.1.1

2019-10-24 Thread Richard Levitte
For C compilers that can't generate makefile dependency files, we have makedepend as a fallback. Cheers Richard shiva kumar skrev: (24 oktober 2019 20:41:28 CEST) >what is the use of makedepend in openssl 1.1.1? >openssl 1.1.1 can build without makepend then what's the use of >makedepend? >is

use of makedepend in openssl 1.1.1

2019-10-24 Thread shiva kumar
what is the use of makedepend in openssl 1.1.1? openssl 1.1.1 can build without makepend then what's the use of makedepend? is it good to use makedepend while building openssl 1.1.1? please answer me thanks in advance -- *With Best Regards* *Shivakumar S*

Retrieve CA for client cert from SSL*

2019-10-24 Thread Fen Fox
Is there a way to figure out which CA the server used to validate the client certificate? -Fen http://pronouns.is/fae/faer