This program generates random test vectors for curve25519 scalarmult based on Go's NaCl implementation

scalarmult_test_input.go

package main

import (
	"fmt"
	"crypto/rand"
	"code.google.com/p/go.crypto/nacl/box"
	"code.google.com/p/go.crypto/curve25519"
)

func main() {
	for i := 0; i < 1024; i++ {
		pk1, sk1, err := box.GenerateKey(rand.Reader)
		if err != nil {
			panic(err)
		}
		pk2, sk2, err := box.GenerateKey(rand.Reader)
		if err != nil {
			panic(err)
		}
		var out1, out2 [32]byte
		curve25519.ScalarMult(&out1, sk1, pk2)	
		curve25519.ScalarMult(&out2, sk2, pk1)	
		if out1 != out2 {
			panic("differ")
		}
		fmt.Printf("%x:%x:%x:%x:%x\n", pk1[:], sk1[:], pk2[:], sk2[:], out1[:])
	}
}