Ajout du code de l'équipe A

saison-2/sources/espionnage/bordurie/encrypt.py

@@ -1,43 +0,0 @@
-import sys
-
-
-def rotate(x, y):
-    return (x + y) % 26
-
-
-def shift(letter, n):
-    x = ord(letter) - ord("A")
-    y = rotate(x, n)
-    return chr(ord("A") + y)
-
-
-def rot13(message):
-    message = "".join([x for x in message if x.isalpha()])
-    message = message.upper()
-    res = ""
-    for c in message:
-        res += shift(c, 13)
-    return res
-
-
-def encrypt(key, message):
-    message = "".join([x for x in message if x.isalpha()])
-    message = message.upper()
-    res = ""
-    i = 0
-    for c in message:
-        x = ord(key[i % len(key)]) - ord("A")
-        res += shift(c, x)
-        i += 1
-    return res
-
-
-def main():
-    cle = sys.argv[1]
-    message = sys.argv[2]
-    res = encrypt(cle, message)
-    print(res)
-
-
-if __name__ == "__main__":
-    main()

saison-2/sources/espionnage/bordurie/test_chiffre.py

@@ -1,33 +0,0 @@
-def rotate(x, y):
-    return (x + y) % 26
-
-
-def shift(letter, n):
-    x = ord(letter) - ord('A')
-    y = rotate(x, n)
-    return chr(ord('A') + y)
-
-
-def rot13(message):
-    message = "".join([x for x in message if x.isalpha()])
-    message = message.upper()
-    res = ""
-    for c in message:
-        res += shift(c, 13)
-    return res
-
-
-def test_rotate():
-    assert rotate(1, 3) == 4
-    assert rotate(25, 3) == 2
-
-
-def test_shift():
-    assert shift('A', 2) == 'C'
-    assert shift('E', 2) == 'G'
-    assert shift('Y', 3) == 'B'
-
-
-def test_rot13():
-    assert rot13('hello') == 'URYYB'
-    assert rot13('URYYB') == 'HELLO'

saison-2/sources/espionnage/chiffre.py

@@ -0,0 +1,37 @@
+import string
+import sys
+
+
+def enlever_les_espaces(msg):
+    msg_compact = ""
+    for lettre in msg:
+        if lettre.isalpha():
+            msg_compact += lettre
+    return msg_compact
+
+
+def mettre_en_maj(msg):
+    msg_maj = msg.upper()
+    return msg_maj
+
+
+def chiffre(pas, msg):
+    mesg_chiffre = ""
+    for lettre in msg:
+        mesg_chiffre += decale_lettre(pas, lettre)
+    return mesg_chiffre
+
+
+def decale_lettre(pas, lettre):
+    let = ((ord(lettre) - 65) + pas) % 26
+    return chr(let + 65)
+
+
+def main():
+    message_compact = enlever_les_espaces(sys.argv[2])
+    message_maj = mettre_en_maj(message_compact)
+    message_chiffre = chiffre(int(sys.argv[1]), message_maj)
+    print(message_chiffre)
+
+
+main()

saison-2/sources/espionnage/chiffre2.py

@@ -0,0 +1,44 @@
+import string
+import sys
+
+
+def enlever_les_espaces(msg):
+    msg_compact = ""
+    for lettre in msg:
+        if lettre.isalpha():
+            msg_compact += lettre
+    return msg_compact
+
+
+def mettre_en_maj(msg):
+    msg_maj = msg.upper()
+    return msg_maj
+
+
+def chiffre(chaine, msg):
+
+    mesg_chiffre = ""
+    i = 0
+
+    for lettre in msg:
+        pas = ord(chaine[i % len(chaine)]) - 65
+
+        mesg_chiffre += decale_lettre(pas, lettre)
+        i += 1
+    return mesg_chiffre
+
+
+def decale_lettre(pas, lettre):
+    let = ((ord(lettre) - 65) + pas) % 26
+    return chr(let + 65)
+
+
+def main():
+    message_compact = enlever_les_espaces(sys.argv[2])
+    message_maj = mettre_en_maj(message_compact)
+    # argv1 contient une chaine
+    message_chiffre = chiffre(sys.argv[1], message_maj)
+    print(message_chiffre)
+
+
+main()

saison-2/sources/espionnage/dechiffre.py

@@ -0,0 +1,40 @@
+import string
+import sys
+import random
+
+
+
+
+
+def chiffre(chaine, msg):
+
+    mesg_chiffre=""
+    i=0
+
+    for lettre in msg:
+        pas=ord(chaine[i%len(chaine)])-65
+
+        mesg_chiffre += decale_lettre(pas,lettre)
+        i+=1
+    return mesg_chiffre
+
+
+def decale_lettre(pas, lettre):
+    let=((ord(lettre)-65) + pas ) % 26
+    return chr(let+65)
+
+
+def main():
+    for i in string.ascii_uppercase:
+        for j in string.ascii_uppercase:
+            for k in string.ascii_uppercase:
+              cle=i+j+k
+              msg_dechiffre = chiffre(cle, "IHDXUVZKRISCBNJWBXIDUWVVODUBPRFQRIRGBUR")
+              if "PLEKSZYGLADZ" in msg_dechiffre:
+                  print (cle,msg_dechiffre)
+                  #return te sort du main
+                  return
+
+main()
+
+#IHDXUVZKRISCBNJWBXIDUWVVODUBPRFQRIRGBUR

saison-2/sources/espionnage/notes

@@ -1,6 +0,0 @@
-Message-1 was encrypted with the key 'M'. Decrypt it
-
-Message-2 was encrypted with an unknown, 3 letters key. Decrypt it too,
-knowing that it contains the string 'Plekszy-Gladz'
-
-spoiler: xdr

saison-2/sources/espionnage/syldavie/decrypt.py

@@ -1,62 +0,0 @@
-import sys
-import string
-
-
-def rotate(x, y):
-    return (x - y) % 26
-
-
-def shift(letter, n):
-    x = ord(letter) - ord("A")
-    y = rotate(x, n)
-    return chr(ord("A") + y)
-
-
-def rot13(message):
-    message = "".join([x for x in message if x.isalpha()])
-    message = message.upper()
-    res = ""
-    for c in message:
-        res += shift(c, 13)
-    return res
-
-
-def decrypt(key, message):
-    message = "".join([x for x in message if x.isalpha()])
-    message = message.upper()
-    res = ""
-    i = 0
-    for c in message:
-        x = ord(key[i % len(key)]) - ord("A")
-        res += shift(c, x)
-        i += 1
-    return res
-
-
-def try_with_key(key, message):
-    res = decrypt(key, message)
-    if "PLEKSZYGLADZ" in res:
-        return res
-
-
-def main():
-    message = sys.argv[1]
-    print(decrypt('N', message))
-
-    """
-    message = sys.argv[1]
-    letters = string.ascii_uppercase
-    for a in letters:
-        for b in letters:
-            for c in letters:
-                key = a + b + c
-                res = try_with_key(key, message)
-                if res:
-                    print(res)
-                    print("key:", key)
-                    return
-                    """
-
-
-if __name__ == "__main__":
-    main()

saison-2/sources/espionnage/syldavie/message-1.txt

@@ -1 +0,0 @@
-GVAGVAFRFGRZCNERQHFCRPGERCERARMYRFZRFHERFARPRFFNVERF