package rand import ( "crypto/rand" "io" "math/big" ) func Int(r io.Reader, max *big.Int) (n *big.Int, err error) { return rand.Int(r, max) } func Prime(r io.Reader, bits int) (*big.Int, error) { return rand.Prime(r, bits) } func Read(b []byte) (int, error) { return rand.Read(b) } func Text() string { return rand.Text() } var Reader = rand.Reader