X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=www.texi;h=83de587790a2ab8d2c22d48ae372a84b7eab62ea;hb=7ed4c1e0857134c14ef5c03dee48c1cc7a555e98;hp=541f8967dbaf9d5d96cd91391b9df796458751bf;hpb=7711d3fca429d8d19fd8a6923894633b1d3d8f32;p=gogost.git

diff --git a/www.texi b/www.texi
index 541f896..83de587 100644
--- a/www.texi
+++ b/www.texi
@@ -59,6 +59,33 @@ Currently supported algorithms are:
 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/v4/gost3410"
+    "go.cypherpunks.ru/gogost/v4/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.