54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package ec256
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"fmt"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func TestFuzz(t *testing.T) {
|
|
|
|
ec := CurveSM2()
|
|
ge := ec.Params()
|
|
|
|
var scalar1 [32]byte
|
|
var scalar2 [32]byte
|
|
var timeout *time.Timer
|
|
|
|
timeout = time.NewTimer(10 * time.Second)
|
|
count := 0
|
|
|
|
loop:
|
|
for {
|
|
select {
|
|
case <-timeout.C:
|
|
break loop
|
|
default:
|
|
count++
|
|
if count%100 == 0 {
|
|
fmt.Println("Tested for", count, "times")
|
|
}
|
|
|
|
rand.Read(scalar1[:])
|
|
rand.Read(scalar2[:])
|
|
|
|
x, y := ec.ScalarBaseMult(scalar1[:])
|
|
x2, y2 := ge.ScalarBaseMult(scalar1[:])
|
|
|
|
xx, yy := ec.ScalarMult(x, y, scalar2[:])
|
|
xx2, yy2 := ge.ScalarMult(x2, y2, scalar2[:])
|
|
|
|
if x.Cmp(x2) != 0 || y.Cmp(y2) != 0 {
|
|
t.Fatalf("ScalarBaseMult does not match reference result with scalar: %x, please report this error to security@golang.org", scalar1)
|
|
}
|
|
|
|
if xx.Cmp(xx2) != 0 || yy.Cmp(yy2) != 0 {
|
|
t.Fatalf("ScalarMult does not match reference result with scalars: %x and %x, please report this error to security@golang.org", scalar1, scalar2)
|
|
}
|
|
}
|
|
}
|
|
|
|
fmt.Printf("Total test %d times\n", count)
|
|
}
|