Update app.py

app.py

@@ -26,14 +26,43 @@ def generate_ciphertext(plaintext):
     ciphertext = "".join([cipher_map.get(char, char) for char in plaintext])
     return ciphertext, cipher_map
 
-def generate_helper_phrase(ciphertext, cipher_map):
-    # Generate a helper phrase that repeats letters from ciphertext
-    helper_words = []
+# Helper words list with repeated letters for each alphabet letter
+helper_words = {
+    'A': ["maman", "canal", "salade", "avalanche", "savane"],
+    'B': ["bobo", "babil", "babine", "bibine", "abbaye"],
+    'C': ["accroc", "accueil", "accuse", "cacao", "cocotte"],
+    'D': ["dada", "dedans", "dodo", "dédale", "doudou"],
+    'E': ["terre", "cerise", "serre", "essence", "berce"],
+    'F': ["fifre", "fouffe", "souffre", "coiffe", "affreux"],
+    'G': ["gaga", "gigogne", "gogo", "grignote", "goguette"],
+    'H': ["hahaha", "hache", "haha", "hérissé", "hocher"],
+    'I': ["ironie", "criique", "illisible", "risible", "immobile"],
+    'J': ["joujou", "jardinier", "jonjonaire", "jujube", "juxtapose"],
+    'K': ["kakapo", "kaki", "kéké", "kitoko", "kiwi"],
+    'L': ["loulou", "bouillon", "lila", "ballon", "molle"],
+    'M': ["maman", "mimique", "mamie", "moment", "murmure"],
+    'N': ["nanan", "manana", "ronron", "néné", "nananère"],
+    'O': ["oligo", "mollo", "bourgeois", "bouton", "tonton"],
+    'P': ["papa", "popote", "poupon", "pipeau", "appétit"],
+    'Q': ["croque", "quadruple", "aquatique", "qualité", "quinte"],
+    'R': ["rare", "terre", "arbre", "brouillard", "rire"],
+    'S': ["sissi", "assise", "saison", "ressasser", "cuisse"],
+    'T': ["tata", "totem", "tatouage", "tarte", "montant"],
+    'U': ["tutu", "futul", "perdu", "moule", "lutulage"],
+    'V': ["vavavoom", "vivant", "sauvage", "veau", "velours"],
+    'W': ["woow", "watt", "wowow", "wargame", "wawa"],
+    'X': ["axel", "axiome", "relaxe", "excitation", "sexe"],
+    'Y': ["yaya", "yayou", "yonis", "yeux", "joyeux"],
+    'Z': ["zigzag", "zizi", "zazou", "blizzard", "zaza"]
+}
+
+def generate_helper_phrase(ciphertext):
+    # Generate a helper phrase using the helper words list
+    helper_phrase = []
     for letter in set(ciphertext):
-        if letter.isalpha():
-            word = letter * random.randint(2, 5)  # repeat the letter to give hints
-            helper_words.append(word)
-    return " ".join(helper_words)
+        if letter.isalpha() and letter.upper() in helper_words:
+            helper_phrase.append(random.choice(helper_words[letter.upper()]))
+    return " ".join(helper_phrase)
 
 # Streamlit App
 st.title("Chiffrement par Substitution")
@@ -44,7 +73,7 @@ plaintext = st.text_input("Entrez le texte à chiffrer:", "Exemple de texte")
 
 if st.button("Chiffrer"):
     ciphertext, cipher_map = generate_ciphertext(plaintext)
-    helper_phrase = generate_helper_phrase(ciphertext, cipher_map)
+    helper_phrase = generate_helper_phrase(ciphertext)
 
     # Display the encrypted text and helper phrase
     st.write("Texte chiffré:")