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The enigma machine lesson 2
The Enigma machine was an advanced cipher machine developed in Germany after WWI that was used by all branches of the German military for secure wireless communications during WWII. It had a simple operating procedure where the operator would set the rotor wheels and plug wirings to an initial combination known to both parties. They would then type the message, and for each letter typed a different encrypted letter would light up that was written down to transmit as the encrypted message. The receiver would set their machine to the same combination and type the encrypted message to reveal the original plain text.
Paper Enigma Machine
The Enigma machine was invented in 1918 and was adopted by the German military in the 1920s and 1930s. It worked by scrambling letters using rotors that were wired differently and could be arranged and set in many positions each day, making the encryption very difficult to break. However, Polish cryptanalysts were able to break some versions of the Enigma in the 1930s by exploiting vulnerabilities in how messages were encrypted, leading them to share their methods with British and French codebreakers before World War II.
The Engima Cipher
The document provides an overview of the Enigma cipher machine used by Germany in World War II to encrypt military communications. It describes the key components of the Enigma machine, including the plugboard, rotors, and reflector. It also discusses how codebreakers at Bletchley Park were able to decrypt Enigma messages by finding patterns and weaknesses in the German encryption methods.
Fund Raising with an Android Enigma Machine Simulator
This document discusses plans to create an Android app simulating an Enigma machine to raise funds for Bletchley Park Trust. It would educate users about the real WWII Enigma machines and cryptography. The app has been successful, with over 2,700 installs generating some donations and ad revenue. However, addressing Android fragmentation across many devices and versions took significant effort. Lessons on cryptography from Enigma include not underestimating attackers, using truly random numbers, and planning for key compromise. The document analyzes the app's install and revenue data in detail to evaluate the fundraising strategy.
Enigma
El Enigma era una máquina cifradora alemana utilizada durante la Segunda Guerra Mundial. Consistía en un teclado para introducir mensajes, tres ruedas rotatorias para codificarlos y un panel de luz que mostraba la letra codificada. Fue creada por Arthur Scherbius y usada por los alemanes para enviar mensajes cifrados, aunque él murió sin saber el uso militar que se le daría.
Enigma History
The Germans used the Enigma machine to secretly communicate with their submarines during World War II, encoding messages to try to evade British tracking of U-boats. However, British codebreakers at Bletchley Park cracked the Enigma code using mathematicians, crossword experts, and an early computer called Colossus. The Enigma machine used a system of rotors to electrically scramble letters on a keyboard and connect them to a lamp board, but the British were able to break into these messages.
Alan M. Turing and the Enigma Machine
This document provides background information on Alan Turing and his work breaking German ciphers during World War II using the Enigma machine. It describes Turing's early life and education, his work at Bletchley Park cracking the Enigma code which helped the Allies read secret German messages, and his later work in computer science. It also includes diagrams explaining how the Enigma machine operated and could be used to encrypt and decrypt messages.
Cracking the Enigma Machine - Rejewski, Turing and the Math that saved the world
This presentation demonstrates the historical and mathematical background to the brilliant work done by Polish and British cryptology experts before and during World War II.
The solutions provided by Marian Rejewski, Alan Turing and their co-workers had a major impact on the outcome of the war.
Recommandé
The enigma machine lesson 2
The Enigma machine was an advanced cipher machine developed in Germany after WWI that was used by all branches of the German military for secure wireless communications during WWII. It had a simple operating procedure where the operator would set the rotor wheels and plug wirings to an initial combination known to both parties. They would then type the message, and for each letter typed a different encrypted letter would light up that was written down to transmit as the encrypted message. The receiver would set their machine to the same combination and type the encrypted message to reveal the original plain text.
Paper Enigma Machine
The Enigma machine was invented in 1918 and was adopted by the German military in the 1920s and 1930s. It worked by scrambling letters using rotors that were wired differently and could be arranged and set in many positions each day, making the encryption very difficult to break. However, Polish cryptanalysts were able to break some versions of the Enigma in the 1930s by exploiting vulnerabilities in how messages were encrypted, leading them to share their methods with British and French codebreakers before World War II.
The Engima Cipher
The document provides an overview of the Enigma cipher machine used by Germany in World War II to encrypt military communications. It describes the key components of the Enigma machine, including the plugboard, rotors, and reflector. It also discusses how codebreakers at Bletchley Park were able to decrypt Enigma messages by finding patterns and weaknesses in the German encryption methods.
Fund Raising with an Android Enigma Machine Simulator
This document discusses plans to create an Android app simulating an Enigma machine to raise funds for Bletchley Park Trust. It would educate users about the real WWII Enigma machines and cryptography. The app has been successful, with over 2,700 installs generating some donations and ad revenue. However, addressing Android fragmentation across many devices and versions took significant effort. Lessons on cryptography from Enigma include not underestimating attackers, using truly random numbers, and planning for key compromise. The document analyzes the app's install and revenue data in detail to evaluate the fundraising strategy.
Enigma
El Enigma era una máquina cifradora alemana utilizada durante la Segunda Guerra Mundial. Consistía en un teclado para introducir mensajes, tres ruedas rotatorias para codificarlos y un panel de luz que mostraba la letra codificada. Fue creada por Arthur Scherbius y usada por los alemanes para enviar mensajes cifrados, aunque él murió sin saber el uso militar que se le daría.
Enigma History
The Germans used the Enigma machine to secretly communicate with their submarines during World War II, encoding messages to try to evade British tracking of U-boats. However, British codebreakers at Bletchley Park cracked the Enigma code using mathematicians, crossword experts, and an early computer called Colossus. The Enigma machine used a system of rotors to electrically scramble letters on a keyboard and connect them to a lamp board, but the British were able to break into these messages.
Alan M. Turing and the Enigma Machine
This document provides background information on Alan Turing and his work breaking German ciphers during World War II using the Enigma machine. It describes Turing's early life and education, his work at Bletchley Park cracking the Enigma code which helped the Allies read secret German messages, and his later work in computer science. It also includes diagrams explaining how the Enigma machine operated and could be used to encrypt and decrypt messages.
Cracking the Enigma Machine - Rejewski, Turing and the Math that saved the world
This presentation demonstrates the historical and mathematical background to the brilliant work done by Polish and British cryptology experts before and during World War II.
The solutions provided by Marian Rejewski, Alan Turing and their co-workers had a major impact on the outcome of the war.
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Este documento propone inscribirse en el servicio de préstamos en línea de las bibliotecas de Cataluña. Explica los tres pasos a seguir: 1) Acceder a la página web o buscar "ebiblio", 2) Hacer clic en "Mi cuenta" y 3) Registrarse utilizando la tarjeta de la biblioteca, nombre de usuario (el número debajo del código de barras) y contraseña (que se puede modificar en los catálogos de bibliotecas).
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Este documento propone a los lectores preguntarles a sus padres y abuelos sobre juegos populares y tradicionales del pasado. Sugiere que los niños usen una ficha para registrar el nombre del juego, quién se lo enseñó, los materiales necesarios, cómo se juega y un dibujo o foto del juego, y luego subir una foto de la ficha completada.
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This science challenge involves finding a way to see a euro coin placed under a soup plate on a table without moving one's seated position or the table, with only the help of a partner who can use other household materials but cannot touch the plate or coin. The challenge is to devise a method for the seated person to see the coin under the plate using assistance from their partner and available materials around the house.
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This document poses a math challenge involving estimating the number of pieces of toilet paper on a roll and the number of uses a family can get from one roll. It asks the reader to think through and share the methods used to determine the answers, and allows uploading photos.
A challenge in english (grans)
This document outlines a science challenge where the goal is to see a coin placed under a soup plate without moving one's seated position or the table, with only the help of a partner who can move and use other household materials. Participants are challenged to describe or photograph their proposed methods for seeing the coin within the given constraints.
La Laia a la muntanya
Conte escrit per la Sió, l'Abril i l'Araitz que s'ha publicat en el recull de contes del premi Espigoladors.
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Este documento presenta el menú de comidas de un consejo comarcal en España durante el mes de enero. El menú incluye 5 opciones de almuerzo de lunes a viernes con diferentes platos como espaguetis, pollo, pescado, arroz y sopas. También incluye las opciones para los fines de semana.
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Este documento presenta el menú de comidas de diciembre de 2017 para el Consell Comarcal del Bages. El menú incluye 23 días de comidas que varían entre platos como macarrones con tomate y queso, guisado de pavo, lentejas ecológicas, espaguetis a la boloñesa, cuscús con verduras ecológicas, y canelones con bechamel y queso. Todas las comidas incluyen pan y agua como bebida.
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Instruccions preinscripció
Instruccions per als centres educatius sobre canvis en la gestió de la preinscripció.
La biblioteca a distància.odt
Este documento propone inscribirse en el servicio de préstamos en línea de las bibliotecas de Cataluña. Explica los tres pasos a seguir: 1) Acceder a la página web o buscar "ebiblio", 2) Hacer clic en "Mi cuenta" y 3) Registrarse utilizando la tarjeta de la biblioteca, nombre de usuario (el número debajo del código de barras) y contraseña (que se puede modificar en los catálogos de bibliotecas).
Juegos populares y tradicionales
Este documento propone a los lectores preguntarles a sus padres y abuelos sobre juegos populares y tradicionales del pasado. Sugiere que los niños usen una ficha para registrar el nombre del juego, quién se lo enseñó, los materiales necesarios, cómo se juega y un dibujo o foto del juego, y luego subir una foto de la ficha completada.
A challenge in english (grans)
This science challenge involves finding a way to see a euro coin placed under a soup plate on a table without moving one's seated position or the table, with only the help of a partner who can use other household materials but cannot touch the plate or coin. The challenge is to devise a method for the seated person to see the coin under the plate using assistance from their partner and available materials around the house.
Challenge in english (mitjans)
This document poses a math challenge involving estimating the number of pieces of toilet paper on a roll and the number of uses a family can get from one roll. It asks the reader to think through and share the methods used to determine the answers, and allows uploading photos.
A challenge in english (grans)
This document outlines a science challenge where the goal is to see a coin placed under a soup plate without moving one's seated position or the table, with only the help of a partner who can move and use other household materials. Participants are challenged to describe or photograph their proposed methods for seeing the coin within the given constraints.
La Laia a la muntanya
Conte escrit per la Sió, l'Abril i l'Araitz que s'ha publicat en el recull de contes del premi Espigoladors.
Menú gener 2018
Este documento presenta el menú de comidas de un consejo comarcal en España durante el mes de enero. El menú incluye 5 opciones de almuerzo de lunes a viernes con diferentes platos como espaguetis, pollo, pescado, arroz y sopas. También incluye las opciones para los fines de semana.
Menú desembre 2017
Este documento presenta el menú de comidas de diciembre de 2017 para el Consell Comarcal del Bages. El menú incluye 23 días de comidas que varían entre platos como macarrones con tomate y queso, guisado de pavo, lentejas ecológicas, espaguetis a la boloñesa, cuscús con verduras ecológicas, y canelones con bechamel y queso. Todas las comidas incluyen pan y agua como bebida.
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Besoin des conseils pour les Jeunes ? Le document suivant est plein des conseils de la Vie ! C’est vraiment un document conseil de la jeunesse que tout jeune devrait consulter.
Voir version video:
➡https://youtu.be/7ED4uTW0x1I
Sur la chaine:👇
👉https://youtube.com/@kbgestiondeprojets
Aimeriez-vous donc…
-réussir quand on est jeune ?
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Ce document est une ressource qui met en évidence deux obstacles qui empêchent les jeunes de mener une vie épanouie : l'inaction et le pessimisme.
1) Découvrez comment l'inaction, c'est-à-dire le fait de ne pas agir ou d'agir alors qu'on le devrait ou qu'on est censé le faire, est un obstacle à une vie épanouie ;
> Comment l'inaction affecte-t-elle l'avenir du jeune ? Que devraient plutôt faire les jeunes pour se racheter et récupérer ce qui leur appartient ? A découvrir dans le document ;
2) Le pessimisme, c'est douter de tout ! Les jeunes doutent que la génération plus âgée ne soit jamais orientée vers la bonne volonté. Les jeunes se sentent toujours mal à l'aise face à la ruse et la volonté politique de la génération plus âgée ! Cet état de doute extrême empêche les jeunes de découvrir les opportunités offertes par les politiques et les dispositifs en faveur de la jeunesse. Voulez-vous en savoir plus sur ces opportunités que la plupart des jeunes ne découvrent pas à cause de leur pessimisme ? Consultez cette ressource gratuite et profitez-en !
En rapport avec les " conseils pour les jeunes, " cette ressource peut aussi aider les internautes cherchant :
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