1 1 cifrado cesar

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
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+
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+# pyenv
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+#   commonly ignored for libraries.
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+
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+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

cifradoCesar.py

@@ -1,9 +1,71 @@
+import utils
+
 # 1 ALGORITMO--------------------------------
+# Definición del alfabeto de módulo 27
+ALFABETO = 'ABCDEFGHIJKLMNÑOPQRSTUVWXYZ'
+ESPACIO_TO = ""
+def limpiar_caracteres(texto_plano, alfabeto=ALFABETO, espacio=ESPACIO_TO):
+    texto_limpio = ''
+    for caracter in texto_plano:
+        if caracter in ALFABETO:
+            texto_limpio += caracter
+        elif caracter == " ":
+            texto_limpio += espacio
+    return texto_limpio
+
+def preprocesado(texto):
+    # print(texto)
+    texto_sin_tildes = utils.eliminar_tildes(texto)
+    # print(texto_sin_tildes)
+    texto_mayus = utils.aMayuscula(texto_sin_tildes)
+    # print(texto_mayus)
+    texto_limpio = limpiar_caracteres(texto_mayus)
+    # print(texto_limpio)
+    return texto_limpio
+
+
+def cifrar_texto(texto_claro, desplazamiento):
+    texto_preprocesado = preprocesado(texto_claro)
+    texto_cifrado = ''
+    for caracter in texto_preprocesado:
+        if caracter in ALFABETO:
+            indice_original = ALFABETO.index(caracter)
+            indice_cifrado = (indice_original + desplazamiento) % 27
+            texto_cifrado += ALFABETO[indice_cifrado]
+        else:
+            texto_cifrado += caracter  # Para caracteres no incluidos en el alfabeto
+    return texto_cifrado
+
+
+
+def interfaz_usuario_cifrado():
+
+    texto_claro = input("Ingrese el texto claro: ").strip()
+    desplazamiento = int(input("Desplazamiento: "))
+
+    texto_resultante = cifrar_texto(texto_claro, desplazamiento)
+    print("Texto cifrado:", texto_resultante)
+
 
 # 2 Uso del algoritmo -----------------------
 
 
 # 4 Verificar el cypher
 
 
-# 5 Algoritmo de descrifrado
+# 5 Algoritmo de descrifrado
+
+
+## app
+
+
+if __name__ == "__main__":
+    menu = {
+        "1" : "Cifrado cesar",
+    }
+
+    for key, val in menu.items():
+        print(f"Opcion {key}: {val}")
+
+    if(input() == "1"):
+        interfaz_usuario_cifrado()

utils.py

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+MinusMayus = {
+    "a": "A",
+    "b": "B",
+    "c": "C",
+    "d": "D",
+    "e": "E",
+    "f": "F",
+    "g": "G",
+    "h": "H",
+    "i": "I",
+    "j": "J",
+    "k": "K",
+    "l": "L",
+    "m": "M",
+    "n": "N",
+    "ñ": "Ñ",
+    "o": "O",
+    "p": "P",
+    "q": "Q",
+    "r": "R",
+    "s": "S",
+    "t": "T",
+    "u": "U",
+    "v": "V",
+    "w": "W",
+    "x": "X",
+    "y": "Y",
+    "z": "Z",
+}
+
+conversion_sintildes = {
+    "á": "a",
+    "é": "e",
+    "í": "i",
+    "ó": "o",
+    "ú": "u",
+    "Á": "A",
+    "É": "E",
+    "Í": "I",
+    "Ó": "O",
+    "Ú": "U",
+    "ü": "u",
+    "Ü": "U",
+}
+
+
+def aMayuscula(texto):
+
+    texto_mayusculas = ""
+    for char in texto:
+        if char in MinusMayus:
+            texto_mayusculas += MinusMayus[char]
+        else:
+            texto_mayusculas += char
+    return texto_mayusculas
+
+
+# Invertir el diccionario MinusMayus para crear MayusMinus
+MayusMinus = {v: k for k, v in MinusMayus.items()}
+
+def aMinus(texto):
+    texto_minusculas = ""
+    for char in texto:
+        if char in MayusMinus:
+            texto_minusculas += MayusMinus[char]
+        else:
+            texto_minusculas += char
+    return texto_minusculas
+
+def eliminar_tildes(texto):
+    texto_sin_tildes = ""
+    for char in texto:
+        if char in conversion_sintildes:
+            texto_sin_tildes += conversion_sintildes[char]
+        else:
+            texto_sin_tildes += char
+    return texto_sin_tildes