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| author |   tb <tb@openbsd.org> | 2018-07-11 08:42:38 +0000 |
|---|---|---|
| committer | tb <tb@openbsd.org> | 2018-07-11 08:42:38 +0000 |
| commit | f0c525096c604093c6c89aaf626064e883fddac6 (patch) | |
| tree | 81f02db25a7f1f2489db3f3da027e77d6ef6a30e | |
| parent | Don't hide errors when IPv6 forwarding is not enabled. (diff) | |
| download | wireguard-openbsd-f0c525096c604093c6c89aaf626064e883fddac6.tar.xz wireguard-openbsd-f0c525096c604093c6c89aaf626064e883fddac6.zip | |
Document behavior change of EC_POINTs_mul(3) from EC constant time changes.
ok beck on earlier version, markup help from Schwarze.
| -rw-r--r-- | lib/libcrypto/man/EC_POINT_add.3 | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/lib/libcrypto/man/EC_POINT_add.3 b/lib/libcrypto/man/EC_POINT_add.3 index c58f4016a93..e2a33b6a72e 100644 --- a/lib/libcrypto/man/EC_POINT_add.3 +++ b/lib/libcrypto/man/EC_POINT_add.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: EC_POINT_add.3,v 1.8 2018/03/23 00:09:11 schwarze Exp $ +.\" $OpenBSD: EC_POINT_add.3,v 1.9 2018/07/11 08:42:38 tb Exp $ .\" OpenSSL b97fdb57 Nov 11 09:33:09 2016 +0100 .\" .\" This file was written by Matt Caswell <matt@openssl.org>. @@ -48,7 +48,7 @@ .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED .\" OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: March 23 2018 $ +.Dd $Mdocdate: July 11 2018 $ .Dt EC_POINT_ADD 3 .Os .Sh NAME @@ -217,12 +217,30 @@ The value .Fa n may be .Dv NULL , -in which case the result is just q * m. +in which case the result is just .Pp +.Dl q * m. +.Pp +.Fn EC_POINTs_mul +only supports the values 0 and 1 for +.Fa num . +If it is 1, then .Fn EC_POINTs_mul calculates the value .Pp -.Dl generator * n + q[0] * m[0] + ... + q[num-1] * m[num-1] +.Dl generator * n + q[0] * m[0]. +.Pp +If +.Fa num +is 0 then +.Fa q +and +.Fa m +must be +.Dv NULL , +and the result is just +.Pp +.Dl generator * n . .Pp As for .Fn EC_POINT_mul , |