schastsp/internal/keyset/keyset.internal.go

package keyset

import (
	"math/rand"
	"time"
)

/* (2) Generates a pseudo-random KeySet
*
---------------------------------------------------------*/
func (s *T) generate() {

	/* (1) Seed randomness */
	rand.Seed(time.Now().UTC().UnixNano())

	/* (1) Generate new secret
	---------------------------------------------------------*/
	/* (1) Reset current secret */
	s.sec = make([]byte, SecretSize)

	/* (2) Generate each char. until same length as hash digest */
	for i := uint16(0); i < SecretSize; i++ {
		s.sec[i] = byte(rand.Int() % 256)
	}

	/* (2) Manage other attributes
	---------------------------------------------------------*/
	/* (1) Random depth pick init */
	var randMin, randMax = s.ctx.MinDepth() + (s.ctx.MaxDepth()-s.ctx.MinDepth())/2, s.ctx.MaxDepth()

	/* (2) Select "random" depth */
	s.depth = randMin + uint16(rand.Intn(int(randMax+1-randMin)))

	/* (3) Reset comsumption level */
	s.mcode = 0

}