X-Git-Url: http://www.git.cypherpunks.ru/?p=gogost.git;a=blobdiff_plain;f=www.texi;h=94bf7161663b9b54c0e3c9a84448f5cfeea687a0;hp=541f8967dbaf9d5d96cd91391b9df796458751bf;hb=d2b0d4b0f57745d7d09b9cea552235fe31e5db36;hpb=7711d3fca429d8d19fd8a6923894633b1d3d8f32 diff --git a/www.texi b/www.texi index 541f896..94bf716 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, int(gost3410.Mode2001)) + _, err = io.ReadFull(rand.Reader, prvRaw) + prv, err := gost3410.NewPrivateKey(curve, gost3410.Mode2001, prvRaw) + pub, err := prv.PublicKey() + pubRaw := pub.Raw() + sign, err := prv.Sign(rand.Reader, dgst, nil) + pub, err = gost3410.NewPublicKey(curve, gost3410.Mode2001, 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.