X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=www.texi;h=6a8314e89929497161c40d6a7e1de034a0791fe6;hb=d27ade88208cf35cce14cfad2b2d7e29b68d0761;hp=322ea705e9e3bbf852d00c073cda1200c93c1a73;hpb=ed5c62dca4e81b385b3490e5f373658d432a1bf5;p=gogost.git

diff --git a/www.texi b/www.texi
index 322ea70..6a8314e 100644
--- a/www.texi
+++ b/www.texi
@@ -3,7 +3,7 @@
 @settitle GoGOST
 
 @copying
-Copyright @copyright{} 2015-2020 @email{stargrave@@stargrave.org, Sergey Matveev}
+Copyright @copyright{} 2015-2021 @email{stargrave@@stargrave.org, Sergey Matveev}
 @end copying
 
 @node Top
@@ -15,7 +15,7 @@ It is
 @url{https://www.gnu.org/philosophy/pragmatic.html, copylefted}
 @url{https://www.gnu.org/philosophy/free-sw.html, free software}:
 licenced under @url{https://www.gnu.org/licenses/gpl-3.0.html, GPLv3}.
-You can read about GOST algorithms @url{http://gost.cypherpunks.ru/, more}.
+You can read about GOST algorithms @url{http://www.gost.cypherpunks.ru/, more}.
 
 Currently supported algorithms are:
 
@@ -56,6 +56,36 @@ Currently supported algorithms are:
     @url{https://tools.ietf.org/html/rfc5831.html, RFC 7296})
 @end itemize
 
+Probably you could be interested in
+@url{//www.gostls13.cypherpunks.ru/, Go's support of GOST TLS 1.3}.
+
+Example 34.10-2012-256 keypair generation, signing and verifying:
+
+@verbatim
+import (
+    "crypto/rand"
+    "io"
+    "go.cypherpunks.ru/gogost/v5/gost3410"
+    "go.cypherpunks.ru/gogost/v5/gost34112012256"
+)
+func main() {
+    data := []byte("data to be signed")
+    hasher := gost34112012256.New()
+    _, err := hasher.Write(data)
+    dgst := hasher.Sum(nil)
+    curve := gost3410.CurveIdtc26gost34102012256paramSetB()
+    prvRaw := make([]byte, 32)
+    _, err = io.ReadFull(rand.Reader, prvRaw)
+    prv, err := gost3410.NewPrivateKey(curve, prvRaw)
+    pub, err := prv.PublicKey()
+    pubRaw := pub.Raw()
+    sign, err := prv.Sign(rand.Reader, dgst, nil)
+    pub, err = gost3410.NewPublicKey(curve, pubRaw)
+    isValid, err := pub.VerifyDigest(dgst, sign)
+    if !isValid { panic("signature is invalid") }
+}
+@end verbatim
+
 Please send questions, bug reports and patches to
 @url{https://lists.cypherpunks.ru/mailman/listinfo/gost, gost}
 mailing list. Announcements also go to this mailing list.