README.md

Check Session ID Entropy Calculator(CSId-Calc)

Check Session ID Entropy Calculator

세션 ID 엔트로피 계산기

• https://happylie.tistory.com/145

설치 방법

1. Git Clone

$ git clone https://github.com/happylie/CSId-Calc.git

실행 방법

1. Help

$ python csid.py -h       
usage: Check Session ID Entropy Bit [-h] [-s SID] [-v]

Check Session ID Entropy Bit

optional arguments:
  -h, --help            show this help message and exit
  -s SID, --session SID
                        Session ID
  -v, --version         show program's version number and exit

2. Session ID Entropy Check

$ python csid.py -s a00a0a100203
### Session ID Check Entropy ###
+ Session ID : a00a0a100203
+ String Length : 12
+ Characters : 36 Type
+ Strength : 62.0 Bits
+ Result : Vulnerable(At least 128 Bits)

$ python csid.py -s 1a44f079183C8492d55805ef18f1079b0357c8d6                                                                
### Session ID Check Entropy ###
+ Session ID : 1a44f079183C8492d55805ef18f1079b0357c8d6
+ String Length : 40
+ Characters : 62 Type
+ Strength : 238.2 Bits
+ Result : Good

3. 결과값 설명

   • Session ID : 입력한 Session ID(세션 ID)
   • String Length : Session ID 값의 길이
   • Characters : Session ID 값의 조합된 글자수
   • Strength : Session ID 의 강도
     • 128 Bits 이상이 안전
   • Result : 결과( Vulnerable / Good )

4. Characters Check

   • Lower Case : 26
   • Upper Case : 26
   • Lower & Upper Case : 52
   • Arabic numerals : 10
   • Lower Case & Arabic numerals : 36
   • Upper Case & Arabic numerals : 36
   • Lower & Upper Case & Arabic numerals : 62

참고문서

• https://cheatsheetseries.owasp.org/cheatsheets/Session_Management_Cheat_Sheet.html