28 lines
515 B
Go
28 lines
515 B
Go
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"encoding/binary"
|
||
|
|
"fmt"
|
||
|
|
)
|
||
|
|
|
||
|
|
func NumberToBytes(num uint64, bits int) []byte {
|
||
|
|
buf := new(bytes.Buffer)
|
||
|
|
err := binary.Write(buf, binary.BigEndian, num)
|
||
|
|
if err != nil {
|
||
|
|
fmt.Println("binary.Write failed:", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return buf.Bytes()[buf.Len()-(bits / 8):]
|
||
|
|
}
|
||
|
|
|
||
|
|
func BytesToNumber(b []byte) (number uint64) {
|
||
|
|
buf := bytes.NewReader(b)
|
||
|
|
err := binary.Read(buf, binary.LittleEndian, &number)
|
||
|
|
if err != nil {
|
||
|
|
fmt.Println("binary.Read failed:", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return
|
||
|
|
}
|