// signatures will come out different from other architectures, which will
	// break TLS recorded tests.
	for {
		N := c.Params().N
		b := make([]byte, (N.BitLen()+7)/8)
		if _, err = io.ReadFull(rand, b); err != nil {
			return
		}
		if excess := len(b)*8 - N.BitLen(); excess > 0 {
			b[0] >>= excess
		}
		k = new(big.Int).SetBytes(b)
		if k.Sign() != 0 && k.Cmp(N) < 0 {
			return
		}

	return c.Reader.(WriterTo).WriteTo(w)
}

// ReadAll reads from r until an error or EOF and returns the data it read.
// A successful call returns err == nil, not err == EOF. Because ReadAll is
// defined to read from src until EOF, it does not treat an EOF from Read
// as an error to be reported.
func ReadAll(r Reader) ([]byte, error) {
	b := make([]byte, 0, 512)
	for {

		// we're attempting TLS 1.2.
		if maxVersion < VersionTLS12 && suite.flags&suiteTLS12 != 0 {
			continue
		}
		hello.cipherSuites = append(hello.cipherSuites, suiteId)
	}

	_, err := io.ReadFull(config.rand(), hello.random)
	if err != nil {
		return nil, nil, nil, errors.New("tls: short read from Rand: " + err.Error())
	}

	// A random session ID is used to detect when the server accepted a ticket

		return errFileCorrupt
	}

	bufp := xioutil.ODirectPoolSmall.Get().(*[]byte)
	defer xioutil.ODirectPoolSmall.Put(bufp)

	for left > 0 {
		// Read expected hash...
		h.Reset()
		n, err := io.ReadFull(r, hashBuf)
		if err != nil {
			// Read's failed for object with right size, file is corrupt.
			return err
		}
		// Subtract hash length..
		left -= int64(n)
		if left < shardSize {
			shardSize = left

	padding := func(size int) int {
		return ((size + (alignment - 1)) &^ (alignment - 1)) - size
	}

	var notes []elfNote
	for {
		noteHeader := make([]byte, 12) // 3 4-byte words
		if _, err := io.ReadFull(r, noteHeader); err == io.EOF {
			break
		} else if err != nil {
			return nil, err
		}
		namesz := order.Uint32(noteHeader[0:4])
		descsz := order.Uint32(noteHeader[4:8])
		typ := order.Uint32(noteHeader[8:12])

		if err != nil {
			t.Fatalf("Test %d: failed to create ErasureStorage: %v", i, err)
		}
		data := make([]byte, test.size)
		if _, err = io.ReadFull(rand.Reader, data); err != nil {
			t.Fatalf("Test %d: failed to create random test data: %v", i, err)
		}
		buffer := make([]byte, test.blocksize, 2*test.blocksize)
		writers := make([]io.Writer, len(disks))

		impoff = lhdr.Limpoff
	}

	// Read loader import file ID table
	if _, err := s.sr.Seek(int64(impoff), io.SeekStart); err != nil {
		return nil, err
	}
	table := make([]byte, istlen)
	if _, err := io.ReadFull(s.sr, table); err != nil {
		return nil, err
	}

	offset := 0
	// First import file ID is the default LIBPATH value
	libpath := cstring(table[offset:])
	f.LibraryPaths = strings.Split(libpath, ":")

		ok = true
	}
	return
}

func (f *file) readLine() (s string, ok bool) {
	if s, ok = f.getLineFromData(); ok {
		return
	}
	if len(f.data) < cap(f.data) {
		ln := len(f.data)
		n, err := io.ReadFull(f.file, f.data[ln:cap(f.data)])
		if n >= 0 {
			f.data = f.data[0 : ln+n]
		}
		if err == io.EOF || err == io.ErrUnexpectedEOF {
			f.atEOF = true
		}
	}
	s, ok = f.getLineFromData()
	return
}

		}
		_, err = seeker.Seek(cur, io.SeekStart)
		if err != nil {
			return nil, err
		}

		buf = make([]byte, end-cur)
		_, err = io.ReadFull(r, buf)
		if err != nil {
			return nil, err
		}
	} else {
		var err error
		buf, err = io.ReadAll(r)
		if err != nil {
			return nil, err
		}
	}
	return &parser{data: buf, ver: ver, timerGoids: make(map[uint64]bool)}, nil
}

		b := make([]byte, 3)
		n, err := io.ReadFull(r.Body, b)
		b = b[:n]
		if err != nil || string(b) != "one" {
			t.Errorf("before setting read deadline: Read = %v, %q, want nil, %q", err, string(b), "one")
			return
		}
		if err := ctl.SetReadDeadline(time.Now()); err != nil {
			t.Errorf("ctl.SetReadDeadline() = %v, want nil", err)
			return
		}
		b, err = io.ReadAll(r.Body)
		if err == nil || string(b) != "" {