t.Errorf("#%d: incorrect plaintext: got %x, want %x", i, plaintext, test.out)
		}
	}
}

func TestNonZeroRandomBytes(t *testing.T) {
	random := rand.Reader

	b := make([]byte, 512)
	err := NonZeroRandomBytes(b, random)
	if err != nil {
		t.Errorf("returned error: %s", err)
	}
	for _, b := range b {
		if b == 0 {
			t.Errorf("Zero octet found")
			return
		}
	}
}

	Start  int64
	Len    int64
	Pid    int32
	Type   int16
	Whence int16
}

type Dirent struct {
	Fileno    uint64
	Reclen    uint16
	Namlen    uint16
	Type      uint8
	Name      [512]int8
	Pad_cgo_0 [3]byte
}

type Fsid struct {
	X__fsid_val [2]int32
}

const (
	PathMax = 0x400
)

const (
	ST_WAIT   = 0x1
	ST_NOWAIT = 0x2
)

const (

func new384() hash.Hash {
	if cpu.S390X.HasSHA3 {
		return newAsmState(sha3_384)
	}
	return new384Generic()
}

// new512 returns an assembly implementation of SHA3-512 if available,
// otherwise it returns a generic implementation.
func new512() hash.Hash {
	if cpu.S390X.HasSHA3 {
		return newAsmState(sha3_512)
	}
	return new512Generic()
}

	ROUND1(Rd, Ra, Rb, Rc,  1, 12, Rc1)
	ROUND1(Rc, Rd, Ra, Rb,  2, 17, Rc2)
	ROUND1(Rb, Rc, Rd, Ra,  3, 22, Rc3)

	MOVM.IA.W (Rtable), [Rc0,Rc1,Rc2,Rc3]
	ROUND1(Ra, Rb, Rc, Rd,  4,	7, Rc0)
	ROUND1(Rd, Ra, Rb, Rc,  5, 12, Rc1)
	ROUND1(Rc, Rd, Ra, Rb,  6, 17, Rc2)
	ROUND1(Rb, Rc, Rd, Ra,  7, 22, Rc3)

	MOVM.IA.W (Rtable), [Rc0,Rc1,Rc2,Rc3]
	ROUND1(Ra, Rb, Rc, Rd,  8,	7, Rc0)
	ROUND1(Rd, Ra, Rb, Rc,  9, 12, Rc1)