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package common
import (
"math/rand"
"time"
)
var random *rand.Rand
func init() {
random = rand.New(rand.NewSource(time.Now().Unix()))
}
// NewRandomHash returns a random Hash-like value.
func NewRandomHash() Hash {
x := Hash{}
for i := 0; i < HashLength; i++ {
x[i] = byte(random.Int() % 256)
}
return x
}
// GenerateRandomBytes generates bytes randomly.
func GenerateRandomBytes() []byte {
randomness := make([]byte, 32)
_, err := rand.Read(randomness)
if err != nil {
panic(err)
}
return randomness
}
// CopyBytes copies byte slice.
func CopyBytes(src []byte) (dst []byte) {
if len(src) == 0 {
return
}
dst = make([]byte, len(src))
copy(dst, src)
return
}
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