package api_security

import (
	"crypto/sha256"
	"math/rand"
)

func GenerateKey(secret string) []byte {
	key := sha256.Sum256([]byte(secret))
	return key[:]
}

func GenerateIV(secret, salt string) []byte {
	return GenerateKey(secret + salt)[:16]
}

const strPool = "012345679qwertyuioplkjhgfdsazxcvbnmQWERTYUIOPLKJHGFDSAZXCVBNM"

func GenerateIVSalt() string {
	var n [16]byte
	for i := 0; i < 16; i++ {
		n[i] = byte(strPool[rand.Intn(len(strPool))])
	}
	return string(n[:])
}