sha256

func MySelf ¶

func MySelf() ([]byte, error)

func SumBytes ¶

func SumBytes(b []byte) []byte

func SumFile ¶

func SumFile(name string) ([]byte, error)

func SumFileAt ¶

func SumFileAt(name string, offset, size int64, buf []byte) ([]byte, error)

SumFileAt return ms5sum of data by offset and len is size buf is a buffer to read from file every time.

func SumHex ¶

func SumHex(b string) string

func SumReader ¶

func SumReader(r io.Reader) ([]byte, error)

func SumReaderAt ¶

func SumReaderAt(r io.ReaderAt, offset, size int64, buf []byte) ([]byte, error)

func SumString ¶

func SumString(b string) string