Kevin Michelle Contreras González KevinMichelle
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ python steno.py -help | |
| Para ejecutar el programa sigue el siguiente formato | |
| -e archivo_contenedor archivo_texto - > Guardar mensaje | |
| -d archivo_contenedor clave clave - > Recuperar mensaje | |
| NOTA: solo copia la clave desde la terminal | |
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ eog rue.jpg | |
| (eog:4238): EOG-WARNING **: Couldn't load icon: Error writing | |
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ | |
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ python steno.py -e chihiro.wav rue.jpg | |
| Modo seleccionado: Guardar mensaje | |
| Tiempo para leer el archivo : 0:00:00.007129 segundos | |
| Tiempo para leer el archivo : 0:00:16.373147 segundos |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ python steno.py -e chihiro.wav mensaje.txt | |
| Modo seleccionado: Guardar mensaje | |
| Tiempo para leer el archivo : 0:00:16.057958 segundos | |
| No es posible guardar el mensaje por la longitud de caracteres | |
| 153152144 33480934 | |
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ cat mensaje.txt | |
| Cardcaptor Sakura (カードキャプターさくら Kādokyaputā Sakura?), abbreviated as CCS and also known as Cardcaptors, is a Japanese shōjo manga series written and illustrated by the manga group Clamp. The manga was originally serialized in Nakayoshi from May 1996 to June 2000, and published in 12 tankōbon volumes by Kodansha from November 1996 to July 2000. The story focuses on Sakura Kinomoto, an elementary school student who discovers that she possesses magical powers after accidentally freeing a set of magical cards from the book they had been sealed in for years. She is then tasked with retrieving those cards in order to avoid an unknown catastrophe from befallin |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| def cifrado(mensaje, abecedario, numero_de_bits, clave): | |
| formato_de_bits = "{0:0" + str(numero_de_bits) + "b}" | |
| mensaje_cadena_binaria = [] | |
| for i in xrange(len(mensaje)): | |
| indice = abecedario.index(mensaje[i]) | |
| mensaje_cadena_binaria.append(formato_de_bits.format(indice)) | |
| mensaje_cadena = "".join(mensaje_cadena_binaria) | |
| cadena_cifrada = xor(mensaje_cadena, clave) | |
| contador = 0 | |
| mensaje_cifrado_binario = [] |
KevinMichelle
/ gist:9357e27f6331be150afe
Created
November 17, 2014 18:09
Funciones generadoras de conjuntos
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| def organizar_posiciones(mensaje_preparado, numero_de_bits, control): | |
| pos_actual = 44 | |
| posiciones = [] | |
| for letra in mensaje_preparado: | |
| nuevas_posiciones = crear_posiciones(pos_actual, numero_de_bits, control) | |
| pos_actual = nuevas_posiciones[len(nuevas_posiciones) - 1] | |
| for i in nuevas_posiciones: | |
| posiciones.append(i) | |
| return posiciones |
KevinMichelle
/ gist:a284859a869f30db91e6
Created
November 17, 2014 18:02
Resultados para mensajes de texto
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ cat mensaje.txt | |
| Sailor Moon (美少女戦士セーラームーン Bishōjo Senshi Sērā Mūn?, originally translated as Pretty Soldier S... | |
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ | |
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ python steno.py -help | |
| Para ejecutar el programa sigue el siguiente formato | |
| -e archivo_contenedor archivo_texto - > Guardar mensaje | |
| -d archivo_contenedor clave clave - > Recuperar mensaje |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| def ocultar(name, archivo_a_ocultar): | |
| #Checar si se va a guardar un archivo binario o un mensaje de texto | |
| datos_archivo = os.path.splitext(archivo_a_ocultar) | |
| file_ext_archivo = datos_archivo[len(datos_archivo) - 1] | |
| mensaje_texto = True | |
| if file_ext_archivo == ".txt": | |
| archivo_texto = open(archivo_a_ocultar, 'r') | |
| texto = archivo_texto.read() | |
| archivo_texto.close() | |
| abecedario = crear_abecedario(True) |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ cat mensaje.txt | |
| Sailor Moon (美少女戦士セーラームーン Bishōjo Senshi Sērā Mūn?, originally translated as Pretty Soldier S... | |
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ | |
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Steganography $ python steno.py -help | |
| Para ejecutar el programa sigue el siguiente formato | |
| -e archivo_contenedor archivo_texto - > Guardar mensaje | |
| -d archivo_contenedor clave clave - > Recuperar mensaje |
KevinMichelle
/ Avance_parcial_ocultar
Last active
August 29, 2015 14:09
Avance parcial de esteganografía
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| kevin@kevin-Presario-CQ43-Notebook-PC ~/Desktop/Audio $ python leer_binario.py -e 3.png | |
| encriptar | |
| Tiempo para leer el archivo : 0:00:00.076056 segundos | |
| [45, 53, ... , 974, ..., 1171] - > Nota: Lista de bytes | |
| por cambiar siguiendo una heurística inventada, | |
| se ha ocultado el patrón para evitar que alguién lo pueda adivinar | |
| MENSAJE ORIGINAL | |
| Kev Mic |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| def ocultar(): | |
| arreglo_byte = leer_bytes(nombre) | |
| abecedario = crear_abecedario() | |
| maximo = "{0:b}".format(len(abecedario) - 1) | |
| numero_de_bits = len(maximo) | |
| texto = "Kevin" | |
NewerOlder