Coverage for /var/srv/projects/api.amasfac.comuna18.com/tmp/venv/lib/python3.9/site-packages/ellipticcurve/utils/oid.py: 11%

1from .binary import intFromHex, hexFromInt 

2 

3 

4def oidFromHex(hexadecimal): 

5 firstByte, remainingBytes = hexadecimal[:2], hexadecimal[2:] 

6 firstByteInt = intFromHex(firstByte) 

7 oid = [firstByteInt // 40, firstByteInt % 40] 

8 oidInt = 0 

9 while len(remainingBytes) > 0: 

10 byte, remainingBytes = remainingBytes[0:2], remainingBytes[2:] 

11 byteInt = intFromHex(byte) 

12 if byteInt >= 128: 

13 oidInt = (128 * oidInt) + (byteInt - 128) 

14 continue 

15 oidInt = (128 * oidInt) + byteInt 

16 oid.append(oidInt) 

17 oidInt = 0 

18 return oid 

19 

20 

21def oidToHex(oid): 

22 hexadecimal = hexFromInt(40 * oid[0] + oid[1]) 

23 for number in oid[2:]: 

24 hexadecimal += _oidNumberToHex(number) 

25 return hexadecimal 

26 

27 

28def _oidNumberToHex(number): 

29 hexadecimal = "" 

30 endDelta = 0 

31 while number > 0: 

32 hexadecimal = hexFromInt((number % 128) + endDelta) + hexadecimal 

33 number //= 128 

34 endDelta = 128 

35 return hexadecimal or "00"