{"title":"冷战初期，1944-1965年，国务院密码机和通信安全","authors":"David Easter","doi":"10.1080/02684527.2023.2269512","DOIUrl":null,"url":null,"abstract":"From 1944 the State Department attempted to improve its communications security by creating a Division of Cryptography and mechanising the encryption process. This article assesses the effectiveness of these reforms and shows that State’s new cipher equipment had cryptographic vulnerabilities. Moreover, the department was unable to maintain physical security at the Moscow embassy and through espionage and technical surveillance the KGB broke the ciphers and read American communications. The paper concludes by analysing the impact of this security failure, including the claim that intercepted messages influenced Stalin’s decision to approve the North Korean invasion of South Korea in 1950.","PeriodicalId":47048,"journal":{"name":"Intelligence and National Security","volume":"1 1","pages":"0"},"PeriodicalIF":0.8000,"publicationDate":"2023-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"State Department cipher machines and communications security in the early Cold War, 1944–1965\",\"authors\":\"David Easter\",\"doi\":\"10.1080/02684527.2023.2269512\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"From 1944 the State Department attempted to improve its communications security by creating a Division of Cryptography and mechanising the encryption process. This article assesses the effectiveness of these reforms and shows that State’s new cipher equipment had cryptographic vulnerabilities. Moreover, the department was unable to maintain physical security at the Moscow embassy and through espionage and technical surveillance the KGB broke the ciphers and read American communications. The paper concludes by analysing the impact of this security failure, including the claim that intercepted messages influenced Stalin’s decision to approve the North Korean invasion of South Korea in 1950.\",\"PeriodicalId\":47048,\"journal\":{\"name\":\"Intelligence and National Security\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.8000,\"publicationDate\":\"2023-10-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Intelligence and National Security\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/02684527.2023.2269512\",\"RegionNum\":3,\"RegionCategory\":\"社会学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"HISTORY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Intelligence and National Security","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/02684527.2023.2269512","RegionNum":3,"RegionCategory":"社会学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"HISTORY","Score":null,"Total":0}
State Department cipher machines and communications security in the early Cold War, 1944–1965
From 1944 the State Department attempted to improve its communications security by creating a Division of Cryptography and mechanising the encryption process. This article assesses the effectiveness of these reforms and shows that State’s new cipher equipment had cryptographic vulnerabilities. Moreover, the department was unable to maintain physical security at the Moscow embassy and through espionage and technical surveillance the KGB broke the ciphers and read American communications. The paper concludes by analysing the impact of this security failure, including the claim that intercepted messages influenced Stalin’s decision to approve the North Korean invasion of South Korea in 1950.
期刊介绍：
Intelligence has never played a more prominent role in international politics than it does now in the early years of the twenty-first century. National intelligence services are larger than ever, and they are more transparent in their activities in the policy making of democratic nations. Intelligence and National Security is widely regarded as the world''s leading scholarly journal focused on the role of intelligence and secretive agencies in international relations. It examines this aspect of national security from a variety of perspectives and academic disciplines, with insightful articles research and written by leading experts based around the globe. Among the topics covered in the journal are: • the historical development of intelligence agencies • representations of intelligence in popular culture • public understandings and expectations related to intelligence • intelligence and ethics • intelligence collection and analysis • covert action and counterintelligence • privacy and intelligence accountability • the outsourcing of intelligence operations • the role of politics in intelligence activities • international intelligence cooperation and burden-sharing • the relationships among intelligence agencies, military organizations, and civilian policy departments. Authors for Intelligence and National Security come from a range of disciplines, including international affairs, history, sociology, political science, law, anthropology, philosophy, medicine, statistics, psychology, bio-sciences, and mathematics. These perspectives are regularly augmented by research submitted from current and former intelligence practitioners in several different nations. Each issue features a rich menu of articles about the uses (and occasional misuses) of intelligence, supplemented from time to time with special forums on current intelligence issues and interviews with leading intelligence officials.
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