* intermediate calculation values are not zeroed
* 34.10 is not time constant and slow
+Example 34.10-2012-256 keypair generation, signing and verifying:
+
+ 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") }
+ }
+
GoGOST is free software: see the file COPYING for copying conditions.
GoGOST'es home page is: http://www.gogost.cypherpunks.ru/