time stamping authorities

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• Date and time notation by country — Different style conventions and habits exist around the world for dates and times in writing and speaking. Examples:*The order that a year, month, and day are written. *How weeks are identified. *The 24 hour clock and/or the 12 hour clock. *The… …   Wikipedia

• Date and time notation in Poland — Date In Poland the first system for denoting abbreviated dates used roman numerals for months (e.g., 11 XI 1918 for Independence Day). The current year can be replaced by the abbreviation br. and the current month can similarly be replaced by the …   Wikipedia

• службы отметок времени — Наличие служб отметок времени обязательно для гарантии невозможности отказаться от сообщения в случае потери ключа или его рассекречивания. На практике они предоставляют встречную подпись любому, в том числе достоверное время, через хэш и… …   Справочник технического переводчика

• Public-key cryptography — In an asymmetric key encryption scheme, anyone can encrypt messages using the public key, but only the holder of the paired private key can decrypt. Security depends on the secrecy of that private key …   Wikipedia

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium

• United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …   Universalium

• pre-Columbian civilizations — Introduction       the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …   Universalium

• arts, East Asian — Introduction       music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature.       Some studies of East Asia… …   Universalium

• metalwork — metalworker, n. /met l werrk /, n. objects made of metal. [1840 50; METAL + WORK] * * * Useful and decorative objects fashioned of various metals. The oldest technique is hammering. After с 2500 BC, casting was also used, molten metal being… …   Universalium

• Persecution of religion in ancient Rome — As the Roman Republic, and later the Roman empire, expanded, it came to include people from a variety of cultures, and religions. The worship of an ever increasing number of deities was tolerated and accepted. The government, and the Romans in… …   Wikipedia

• Europe, history of — Introduction       history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …   Universalium