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To What Extent Did British Advancements in Cryptanalysis During World War II Influence the Development of Computer Technology?
Portland State University PDXScholar Young Historians Conference Young Historians Conference 2016 Apr 28th, 9:00 AM - 10:15 AM To What Extent Did British Advancements in Cryptanalysis During World War II Influence the Development of Computer Technology? Hayley A. LeBlanc Sunset High School Follow this and additional works at: https://pdxscholar.library.pdx.edu/younghistorians Part of the European History Commons, and the History of Science, Technology, and Medicine Commons Let us know how access to this document benefits ou.y LeBlanc, Hayley A., "To What Extent Did British Advancements in Cryptanalysis During World War II Influence the Development of Computer Technology?" (2016). Young Historians Conference. 1. https://pdxscholar.library.pdx.edu/younghistorians/2016/oralpres/1 This Event is brought to you for free and open access. It has been accepted for inclusion in Young Historians Conference by an authorized administrator of PDXScholar. Please contact us if we can make this document more accessible: [email protected]. To what extent did British advancements in cryptanalysis during World War 2 influence the development of computer technology? Hayley LeBlanc 1936 words 1 Table of Contents Section A: Plan of Investigation…………………………………………………………………..3 Section B: Summary of Evidence………………………………………………………………....4 Section C: Evaluation of Sources…………………………………………………………………6 Section D: Analysis………………………………………………………………………………..7 Section E: Conclusion……………………………………………………………………………10 Section F: List of Sources………………………………………………………………………..11 Appendix A: Explanation of the Enigma Machine……………………………………….……...13 Appendix B: Glossary of Cryptology Terms.…………………………………………………....16 2 Section A: Plan of Investigation This investigation will focus on the advancements made in the field of computing by British codebreakers working on German ciphers during World War 2 (19391945). -
Ot Tlle Graduate Sohool Ot the University of Y.Anaas in Vartial Fulfi1lment
A. H. Klassen, A.. B. Submit t,.ed to tbe De11artment of EnsJ.isll and the Faoul t.Y ot tlle Graduate SOhool ot the University of Y.anaas in vartial fulfi1lment. of t.be :x~equirement.u for tlle de0.t.'ee of Ya.star of Arts. -----------~----- Ap.p.l"OVed by; r_L.~ July ,1926. There is an advantage in atudying :literatures oom- 11aratively as well a.a by tllemaelvee. !'oliGh literature ia one of the so-called miuor 1i tera.tures of Europe about which. Ame1·icana .bave only a very 211peri'ioial knoi:;ledge. but v1hioh, nevertheless, deserves our attention both for the merit tliat it IJOaaesaea intrinsically and for tile im- . ;por~t place tl11;~t it ras attained in America. This th.es1a attemyta to ~;:e a sw:-vey o! vdm.t is beat in Polish l.i terature and to trace as much 01· 1 t a.a, througl1 translation Ol." ·through .tuatorical and Cl"itioal accounts_. has be.o-ome av-dilab.le to the Amei'ioan reader. Because it is of ten hard to. d1~~~ the . line, aort1e ..B1•i tiah a.a well as ..t\me.rican treatmenta of Polieh 1iteratu.re \1·111 be considered.. I am greatly indebted to .?rofeasor s. L. ~~tu tcomb for suggesting thia eubJeot to. me eJid for the invaluable help he has g1 ven me in gn. tller;DB and selecting the ·ma.- ter1a.l. I a.m al.ao indebted to Protesaor J. H.. l~elson for the aid be has given me in the £inal preparation of .the study. -
Historical Ciphers Part 2
ECE 646 - Lecture 7 Required Reading • W. Stallings, Cryptography and Network Security, Historical Ciphers Chapter 3, Classical Encryption Techniques Part 2 • A. Menezes et al., Handbook of Applied Cryptography, Chapter 7.3 Classical ciphers and historical development 1 2 14 Substitution Ciphers (2) 12 Character frequency 2. Polyalphabetic substitution cipher 10 in a long English 8 plaintext M = m1 m2 … md 6 m m … m d+1 d+2 2d 4 m2d+1 m2d+2 … m3d 2 ….. 0 a b c d e f g h i j k l m n o p q r s t u v w x y z C = f1(m1) f2(m2) … fd(md) Character frequency 14 in the corresponding f1(md+1) f2(md+2) … fd(m2d ) 12 ciphertext f1(m2d+1 ) f2( m2d+2) … fd(m3d ) 10 for a polyalphabetic ….. 8 substitution cipher d is a period of the cipher 6 1 4 × 100% » 3.8 % Key = d, f1, f2, …, fd 26 2 d 26 d Number of keys for a given period d = (26!) » (4 × 10 ) 0 a b c d e f g h i j k l m n o p q r s t u v w x y z 3 4 1 Polyalphabetic substitution ciphers Vigenère Cipher - Example Simplifications (1) Plaintext: TO BE OR NOT TO BE A. Vigenère cipher: polyalphabetic shift cipher Key: NSA Invented in 1568 Encryption: T O B E O R ci = fi mod d(mi) = mi + ki mod d mod 26 N O T T O B -1 mi = f i mod d(ci) = ci - ki mod d mod 26 E Key = k0, k1, … , kd-1 Number of keys for a given period d = (26)d 5 6 Vigenère Square Vigenère Square plaintext: a b c d e f g h i j k l m n o p q r s t u v w x y z plaintext: a b c d e f g h i j k l m n o p q r s t u v w x y z 3 a b c d e f g h i j k l m n o p q r s t u v w x y z a b c d e f g h i j k l m n o p q r s t u v w x y z b c d e -
Stanislaw Brzozowski and the Migration of Ideas
Jens Herlth, Edward M. Świderski (eds.) Stanisław Brzozowski and the Migration of Ideas Lettre Jens Herlth, Edward M. Świderski (eds.) with assistance by Dorota Kozicka Stanisław Brzozowski and the Migration of Ideas Transnational Perspectives on the Intellectual Field in Twentieth-Century Poland and Beyond This volume is one of the outcomes of the research project »Standing in the Light of His Thought: Stanisław Brzozowski and Polish Intellectual Life in the 20th and 21st Centuries« funded by the Swiss National Science Foundation (project no. 146687). The publication of this book was made possible thanks to the generous support of the »Institut Littéraire Kultura«. Bibliographic information published by the Deutsche Nationalbibliothek The Deutsche Nationalbibliothek lists this publication in the Deutsche Na- tionalbibliografie; detailed bibliographic data are available in the Internet at http://dnb.d-nb.de This work is licensed under the Creative Commons Attribution-NonCommer- cial-NoDerivatives 4.0 (BY-NC-ND) which means that the text may be used for non-commercial purposes, provided credit is given to the author. For details go to http://creativecommons.org/licenses/by-nc-nd/4.0/ To create an adaptation, translation, or derivative of the original work and for com- mercial use, further permission is required and can be obtained by contacting [email protected] Creative Commons license terms for re-use do not apply to any content (such as graphs, figures, photos, excerpts, etc.) not original to the Open Access publication and further permission may be required from the rights holder. The obligation to research and clear permission lies solely with the party re-using the material. -
ESCOR TED T OURS in English POLISH and LITHUANIAN
2008 5 (2).eng 8/9/08 11:11 Page 14 POLISH AND LITHUANIAN SPLENDOURS 8 days Route: Krakow – Wieliczka – Krakow – Cz´stochowa – Warsaw – Kaunas – Vilnius Vilnius Warszawa Kraków reconstructed Old Town. The morning sightseeing tour includes the Royal Route and the Old Town with the Royal Castle, St. John’s Cathedral, the Old Town Market Square and the Barbican. In the afternoon, we offer an optional excursion to the Royal ¸azienki Park with the Palace on the Water. The evening offers an optional Polish dinner at Res- taurant “Podwale”. Day 6. Warsaw – Kaunas – Vilnius We continue through the well-forested North Poland along the eastern fringe of the Masurian Lakeland, a my- Vilnius – Ostra Brama riad of postglacial lakes representing some of the most Day 1. Krakow Day 3. Krakow – Wieliczka – Krakow beautiful natural sites in Poland, and continue into Lithua- Arrival in Krakow, optional transfer to Hotel Novotel Cen- The morning offers an optional excursion to the famous nia to reach Kaunas, a genuine Lithuanian city. We take trum Krakow**** or similar, check-in, welcome meeting. Wieliczka Salt Mine, an amazing labyrinth of tunnels a stroll in the Old Town with its elegant Old Town Hall and Day 2. Krakow going down as far as 327 meters. The afternoon is Gothic cathedral. Then, we continue eastwards and arrive For half a millennium, Krakow was the royal capital of reserved for exploring more of Krakow’s secrets individu- soon in Vilnius. Check-in at the hotel. Poland and for centuries the city walls have guarded its ally. The evening offer includes an optional dinner at Res- Day 7. -
Polska Myśl Techniczna W Ii Wojnie Światowej
CENTRALNA BIBLIOTEKA WOJSKOWA IM. MARSZAŁKA JÓZEFA PIŁSUDSKIEGO POLSKA MYŚL TECHNICZNA W II WOJNIE ŚWIATOWEJ W 70. ROCZNICĘ ZAKOŃCZENIA DZIAŁAŃ WOJENNYCH W EUROPIE MATERIAŁY POKONFERENCYJNE poD REDAkcJą NAUkoWą DR. JANA TARCZYńSkiEGO WARSZAWA 2015 Konferencja naukowa Polska myśl techniczna w II wojnie światowej. W 70. rocznicę zakończenia działań wojennych w Europie Komitet naukowy: inż. Krzysztof Barbarski – Prezes Instytutu Polskiego i Muzeum im. gen. Sikorskiego w Londynie dr inż. Leszek Bogdan – Dyrektor Wojskowego Instytutu Techniki Inżynieryjnej im. profesora Józefa Kosackiego mgr inż. Piotr Dudek – Prezes Stowarzyszenia Techników Polskich w Wielkiej Brytanii gen. dyw. prof. dr hab. inż. Zygmunt Mierczyk – Rektor-Komendant Wojskowej Akademii Technicznej im. Jarosława Dąbrowskiego płk mgr inż. Marek Malawski – Szef Inspektoratu Implementacji Innowacyjnych Technologii Obronnych Ministerstwa Obrony Narodowej mgr inż. Ewa Mańkiewicz-Cudny – Prezes Federacji Stowarzyszeń Naukowo-Technicznych – Naczelnej Organizacji Technicznej prof. dr hab. Bolesław Orłowski – Honorowy Członek – założyciel Polskiego Towarzystwa Historii Techniki – Instytut Historii Nauki Polskiej Akademii Nauk kmdr prof. dr hab. Tomasz Szubrycht – Rektor-Komendant Akademii Marynarki Wojennej im. Bohaterów Westerplatte dr Jan Tarczyński – Dyrektor Centralnej Biblioteki Wojskowej im. Marszałka Józefa Piłsudskiego prof. dr hab. Leszek Zasztowt – Dyrektor Instytutu Historii Nauki Polskiej Akademii Nauk dr Czesław Andrzej Żak – Dyrektor Centralnego Archiwum Wojskowego im. -
15Th-17Th Century) Essays on the Spread of Humanistic and Renaissance Literary (15Th-17Th Century) Edited by Giovanna Siedina
45 BIBLIOTECA DI STUDI SLAVISTICI Giovanna Siedina Giovanna Essays on the Spread of Humanistic and Renaissance Literary Civilization in the Slavic World Civilization in the Slavic World (15th-17th Century) Civilization in the Slavic World of Humanistic and Renaissance Literary Essays on the Spread (15th-17th Century) edited by Giovanna Siedina FUP FIRENZE PRESUNIVERSITYS BIBLIOTECA DI STUDI SLAVISTICI ISSN 2612-7687 (PRINT) - ISSN 2612-7679 (ONLINE) – 45 – BIBLIOTECA DI STUDI SLAVISTICI Editor-in-Chief Laura Salmon, University of Genoa, Italy Associate editor Maria Bidovec, University of Naples L’Orientale, Italy Scientific Board Rosanna Benacchio, University of Padua, Italy Maria Cristina Bragone, University of Pavia, Italy Claudia Olivieri, University of Catania, Italy Francesca Romoli, University of Pisa, Italy Laura Rossi, University of Milan, Italy Marco Sabbatini, University of Pisa, Italy International Scientific Board Giovanna Brogi Bercoff, University of Milan, Italy Maria Giovanna Di Salvo, University of Milan, Italy Alexander Etkind, European University Institute, Italy Lazar Fleishman, Stanford University, United States Marcello Garzaniti, University of Florence, Italy Harvey Goldblatt, Yale University, United States Mark Lipoveckij, University of Colorado-Boulder , United States Jordan Ljuckanov, Bulgarian Academy of Sciences, Bulgaria Roland Marti, Saarland University, Germany Michael Moser, University of Vienna, Austria Ivo Pospíšil, Masaryk University, Czech Republic Editorial Board Giuseppe Dell’Agata, University of Pisa, Italy Essays on the Spread of Humanistic and Renaissance Literary Civilization in the Slavic World (15th-17th Century) edited by Giovanna Siedina FIRENZE UNIVERSITY PRESS 2020 Essays on the Spread of Humanistic and Renaissance Literary Civilization in the Slavic World (15th- 17th Century) / edited by Giovanna Siedina. – Firenze : Firenze University Press, 2020. -
An Archeology of Cryptography: Rewriting Plaintext, Encryption, and Ciphertext
An Archeology of Cryptography: Rewriting Plaintext, Encryption, and Ciphertext By Isaac Quinn DuPont A thesis submitted in conformity with the requirements for the degree of Doctor of Philosophy Faculty of Information University of Toronto © Copyright by Isaac Quinn DuPont 2017 ii An Archeology of Cryptography: Rewriting Plaintext, Encryption, and Ciphertext Isaac Quinn DuPont Doctor of Philosophy Faculty of Information University of Toronto 2017 Abstract Tis dissertation is an archeological study of cryptography. It questions the validity of thinking about cryptography in familiar, instrumentalist terms, and instead reveals the ways that cryptography can been understood as writing, media, and computation. In this dissertation, I ofer a critique of the prevailing views of cryptography by tracing a number of long overlooked themes in its history, including the development of artifcial languages, machine translation, media, code, notation, silence, and order. Using an archeological method, I detail historical conditions of possibility and the technical a priori of cryptography. Te conditions of possibility are explored in three parts, where I rhetorically rewrite the conventional terms of art, namely, plaintext, encryption, and ciphertext. I argue that plaintext has historically been understood as kind of inscription or form of writing, and has been associated with the development of artifcial languages, and used to analyze and investigate the natural world. I argue that the technical a priori of plaintext, encryption, and ciphertext is constitutive of the syntactic iii and semantic properties detailed in Nelson Goodman’s theory of notation, as described in his Languages of Art. I argue that encryption (and its reverse, decryption) are deterministic modes of transcription, which have historically been thought of as the medium between plaintext and ciphertext. -
Reduciendo La Dependencia: Políticas Públicas Y Desarrollo Tecnológico En China Gustavo Alejandro Girado
www.politica-china.org 24º Tercer trimestre 2017 Reduciendo la dependencia: políticas públicas y desarrollo tecnológico en China Gustavo Alejandro Girado El Desarrollo Social en la Asociación Estratégica Integral China-Venezuela Jorge A. Dias de Barros China’s rise as a global decision-maker. Spanish adaptation and strategies on bilateral cultural cooperation Belén García-Noblejas A manutenção das relações bilaterais entre a Formosa e o Paraguai: o último reduto da América do Sul André Santos O futuro pertencerá às crianças? André Bueno China cree en los BRICS Xulio Ríos www.politica-china.org Tercer trimestre 2017 Dirección: Xulio Ríos Lugar de edición: Centro Cívico Sur, Rúa Luís Braille, 40 36003 Pontevedra, Galicia, España Editor: Observatorio de la Política China Maquetación: PositiBos.gal ISSN: 2253-945X En el área iberoamericana, diferentes centros y personas vienen desarrollando desde hace años una ardua labor de seguimiento y análisis de la realidad china. El momento actual parece propicio para activar sinergias que permitan una mayor visibilidad de dicho trabajo, de forma que pueda ponerse en valor esa trayectoria y aflorar un discurso propio en nuestro ámbito político-cultural sobre los cambios en el mundo chino y sus implicaciones regionales y globales. Jiexi Zhongguo es una iniciativa del Observatorio de la Política China www.politica-china.org Índice 4 Reduciendo la dependencia: políticas públicas y desarrollo tecnológico en China, Gustavo Alejandro Girado. Publicado en: http://www.politica-china.org/imxd/noticias/doc/1488807473Gustavo_Girado.pdf 11 El Desarrollo Social en la Asociación Estratégica Integral China-Venezuela, Jorge A. Dias de Barros. Publicado en: http://www.politica-china.org/imxd/noticias/doc/1494228887Desarrollo_Social_en_la_ Asociacion_Estrategica_Integral_China-Venezuela.pdf 29 China’s rise as a global decision-maker. -
Eg0900024 Effect of Safe Environmental Pre and Post Harvest Treatments and Irradiation on Handling of Some Fruits
EG0900024 EFFECT OF SAFE ENVIRONMENTAL PRE AND POST HARVEST TREATMENTS AND IRRADIATION ON HANDLING OF SOME FRUITS BY Mohamed Abd El-Salam Abd El-Rahman Nawito B.Sc. Agric., (Horticulture), Ain Shams University, 1982 M.Sc. Degree in Environmental Sciences Department of(Agricultural Sciences), Ain Shams University, 2001 A thesis Submitted in partial fulfillment of the Requirement for the Doctor of philosophy Degree in Environmental Science Department of Agricultural Science Institute of Environmental Studies & Research Ain Shams University 2008 EFFECT OF SAFE ENVIRONMENTAL PRE AND POST HARVEST TREATMENTS AND IRRADIATION ON HANDLING OF SOME FRUITS BY Mohamed Abd El-Salam Abd El-Rahman Nawito B.Sc. Agric., Horticulture, Ain Shams University, 1982 M.Sc. Degree in Environmental Sciences Department of(Agricultural Sciences), Ain Shams University, 2001 A Thesis Submitted in Partial Fulfillment of The Requirement for the Doctor of Philosophy In Environmental Science Department of Agricultural Science Institute of Environmental Studies & Research Ain Shams University 'Under the Supervision of: 1- Prof. Dr. Abdel- Azim M. El-Hammady Professor of Pomology, Dept., of Hort.,Fac. of Agric., Ain Shams University. 2- Prof. Dr. Nazmy Abd El-Hamid Abd El-Ghany Professor of Pomology, Dept., Hort., of Fac. of Agric., Ain Shams University. 3- Prof. Dr. Abdallah Abdallah El Sayed Mahmoud Professor of Food irradiation, National Center for Radiation Research and Technology 2008 APPROVAL SHEET EFFECT OF SAFE ENVIRONMENTAL PRE AND POST HARVEST TREATMENTS AND IRRADIATION ON HANDLING OF SOME FRUITS BY Mohamed Abd El-Salam Abd El-Rahman Nawito B.Sc. Agric., Horticulture, Ain Shams University, 1982 M.Sc. Degree in Environmental Sciences Department of (Agricultural Sciences), Ain Shams University, 2001 This thesis towards a Doctor of Philosophy Degree in Environmental Science Has Been Approved by : Name Signature Prof. -
April / May 2013 Newsletter
April / May 2013 The Recession Has Demonstrated The Importance Of Our Mission: An Update On “PASS” Polish American Social Services, United Social Services Serving Philadelphia & Southeastern Pennsylvania Effective and Efficient Agency PASS Helps Save Money PASS has earned a reputation as a highly effective and efficient PASS works with thousands of constituents annually, saving component of the social services delivery system in the Philadelphia government and agencies millions of dollars in the long run. Through area due to its comprehensive benefits counseling, information/ the efforts of PASS’s staff, individual constituents could receive up to referral, and advocacy services to constituents. Its unique $1,000 in benefits from various income enhancing programs. These contribution to social services is that it addresses the needs of a rebate programs allow them to stretch their annual budget, add to largely under-served community with language and cultural barriers the economy and help them remain more self-sufficient. that block access to programs and services that build constituents’ Approximately 90% of PASS’s constituents manage to remain self- self-sufficiency, self-esteem, and overall physical and mental well sufficient and in their own homes. being. Ongoing PASS Program Objectives Include: A Community Resource For Thousands 1. To enable constituents to make better use of available income PASS, also known as United Social Services, is a multi-service through timely and well-informed income management and agency with a thorough knowledge of numerous resources and the benefits counseling including low and moderate income programs flexibility to meet varied and complex constituent needs. In addition such as: PA Property Tax/Rent Rebates, LIHEAP, PACE, and to assisting constituents from the Polish/Slavic community in services offered by other agencies which promote self-sufficiency Southeastern Pennsylvania, PASS is a referral point for six additional and a reasonable quality of life. -
Field Trip Guidebook
FIELD TRIP GUIDEBOOK Edited by Ewa Głowniak, Agnieszka Wasiłowska IX ProGEO Symposium Geoheritage and Conservation: Modern Approaches and Applications Towards the 2030 Agenda Chęciny, Poland 25-28th June 2018 FIELD TRIP GUIDEBOOK Edited by Ewa Głowniak, Agnieszka Wasiłowska This publication was co-financed by Foundation of University of Warsaw and ProGEO – The European Association for the Conservation of the Geological Heritage Editors: Ewa Głowniak, Agnieszka Wasiłowska Editorial Office: Faculty of Geology, University of Warsaw, 93 Żwirki i Wigury Street, 02-089 Warsaw, Poland Symposium Logo design: Łucja Stachurska Layout and typesetting: Aleksandra Szmielew Cover Photo: A block scree of Cambrian quartzitic sandstones on the slope of the Łysa Góra Range – relict of frost weathering during the Pleistocene. Photograph by Peter Pervesler Example reference: Bąbel, M. 2018. The Badenian sabre gypsum facies and oriented growth of selenite crystals. In: E. Głow niak, A. Wasiłowska (Eds), Geoheritage and Conservation: Modern Approaches and Applications Towards the 2030 Agenda. Field Trip Guidebook of the 9th ProGEO Symposium, Chęciny, Poland, 25–28th June 2018, 55–59. Faculty of Geology, University of Warsaw, Poland. Print: GIMPO Agencja Wydawniczo-Poligraficzna, Marii Grzegorzewskiej 8, 02-778 Warsaw, Poland ©2018 Faculty of Geology, University of Warsaw ISBN 978-83-945216-5-3 The content of abstracts are the sole responsibility of the authors Organised by Faculty of Geology, University of Warsaw Institute of Nature Conservation, Polish Academy