}

type CryptoReportHash struct {
	Type       [64]uint8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]uint8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]uint8
	Geniv       [64]uint8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32

}

type CryptoReportHash struct {
	Type       [64]uint8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]uint8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]uint8
	Geniv       [64]uint8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32

}

type CryptoReportHash struct {
	Type       [64]uint8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]uint8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]uint8
	Geniv       [64]uint8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32

}

type CryptoReportHash struct {
	Type       [64]int8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]int8
	Geniv       [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build (!arm64 && !s390x && !ppc64le) || !gc || purego

package chacha20

const bufSize = blockSize

func (s *Cipher) xorKeyStreamBlocks(dst, src []byte) {
	s.xorKeyStreamBlocksGeneric(dst, src)

func DisableDirectIO(f *os.File) error {
	return nil
}

// AlignedBlock simply returns an unaligned buffer
// for systems that do not support DirectIO.
func AlignedBlock(blockSize int) []byte {
	return make([]byte, blockSize)

	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	rd := msgp.NewEndlessReader(buf.Bytes(), b)

}

type CryptoReportHash struct {
	Type       [64]int8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]int8
	Geniv       [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32

}

type CryptoReportHash struct {
	Type       [64]int8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]int8
	Geniv       [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32

	}

	level := br.ReadBits(8)
	if level < '1' || level > '9' {
		return StructuralError("invalid compression level")
	}

	bz2.fileCRC = 0
	bz2.blockSize = 100 * 1000 * (level - '0')
	if bz2.blockSize > len(bz2.tt) {
		bz2.tt = make([]uint32, bz2.blockSize)
	}
	return nil
}

func (bz2 *reader) Read(buf []byte) (n int, err error) {
	if bz2.eof {
		return 0, io.EOF
	}

	if !bz2.setupDone {