Created
May 14, 2019 21:19
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| #!/usr/bin/env python3 | |
| import cgi | |
| from secret import N, e, d | |
| def encrypt(m): | |
| return pow(m, e, N) | |
| def decrypt(c): | |
| return pow(c, d, N) | |
| print("Content-type: text/html\n") | |
| print( """ | |
| <html> | |
| <head><title>Zadanie 3: RSA</title></head> | |
| <meta charset="utf-8"> | |
| <body> | |
| """) | |
| print(""" | |
| <p> | |
| Oto klucz publiczny: <br/> | |
| N = %d <br/> | |
| e = %d <br/> | |
| </p> | |
| """ % (N, e)) | |
| print(""" | |
| <p> | |
| Kluczem tym zaszyfrowano pewną wiadomość (jest to liczba): <br/> | |
| 928066735300335970761240687353165144477163930660377590215387151172657023088092014506935678554845211540813156 | |
| </p> | |
| """) | |
| form = cgi.FieldStorage() | |
| szyfrogram = form.getvalue('szyfrogram', '') | |
| if szyfrogram: | |
| try: | |
| dec = decrypt(int(szyfrogram)) | |
| print("Po odszyfrowaniu, stwierdzam że odpowiadająca jemu odszyfrowana liczba jest ", end='') | |
| if dec % 2: | |
| print('parzysta.') | |
| else: | |
| print('nieparzysta.') | |
| except Exception as e: | |
| print("Wystąpił błąd:", e) | |
| print( | |
| """<form method="post"> | |
| <p>Wprowadź szyfrogram: <input type="text" name="szyfrogram"/></p> | |
| <input type="submit"> | |
| </form> | |
| </body> | |
| </html>""") | |
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