ePayment Security ECOM 6016 Electronic Payment Systems • Keep financial data secret from unauthorized parties (privacy) – CRYPTOGRAPHY Lecture 3 ePayment Security • Verify that messages have not been altered in transit (integrity) – HASH FUNCTIONS • Prove that a party engaged in a transaction ( (nonrepudiation) ) – DIGITAL SIGNATURES • Verify identity of users (authentication) – PASSWORDS‚ DIGITAL CERTIFICATES THE UNIVERSITY OF HONG KONG FEB/MAR 2012 © 2012 MICHAEL I. SHAMOS
Free Cryptography RSA
Strengths British Airways is an established and a well-known brand and an icon that carries the symbol of UK air travel‚ is the largest British based airline considering it financial size and stability. Rich‚ strong and robust partnerships founded Oneworld alliance‚ becoming the third largest in the world. BA also takes advantage of Economies of scale by using the spare space of aircraft for cargo services.Additionally‚ a sole access to Terminal 5 development boost mobility in Heathrow airport Weakness
Premium Airline British Airways Qantas
tribe of fighters who left behind a legacy of achievements. The Mongols were the descendants of the famed Empire Builder Ghengis Khan. They have played a more prominent role in world history than any other people of North or Middle Asia. They were able to create a world empire‚ with the help of Ghengis Kahn. Ghengis Kahn had a huge role making the Mongols a world empire. He was a Mongol chieftain who rose to power as kahn. Ghengis Kahn was able to unify and organize the
Premium Genghis Khan Mongol Empire Mongolia
Though many empires have come and gone some seem to endure through time longer than others while some dissolve even before they have a chance to get established. To understand this discrepancy‚ I will endeavor to show how an empires ability to establish standardization in every aspect of life and governance determines its longevity and stability and why large empires like the Hellenistic empire of Alexander the Great in contrast did not endure after his death. When considering the longest ruling
Premium China Roman Empire Ancient Rome
The Fall of the Western Roman Empire The Roman Empire was known as one of the greatest empires in history. As Rome grew‚ they started to fall apart and eventually would fall completely. Rome’s political‚ economical‚ disease‚ and foreign invader problems took great parts in the fall of the Western Roman Empire. These four issues were best known to cause Rome’s demise. There were many reasons for the Roman Empire fall. Political problems were one of the reasons. Some of the political problems were
Premium Roman Empire Ancient Rome Byzantine Empire
How did Roman empire fall? Roman empire; the most powerful‚ strong and invincible in Middle age. It covers around Mediterranean sea‚ Africa and Asia. Roman empire establish in 27 B.C. with Augustus Caesar as the emperor. And Roman empire still have power for a long time after that. But we have never know how does it ends. In the age that Roman empire is the most powerful empire. When it covers the area around Mediterranean sea. It looks good‚ but it makes Roman empire too big to rule‚ too big to
Premium Roman Empire Ancient Rome Augustus
British colonial rule and Indian Subcontinent 1/19/2013 Prepared by – (Group 10 The rising stars) Indian subcontinent between 1858 and 1947 Group members – The British Raj (rāj‚ lit. "reign" in Hindi)[1] was British rule in the Indian subcontinent between 1858 and 1947.[2] The term can also refer to the period of dominion.[2][3] The region under British control‚ commonly calledIndia in contemporary usage‚ included areas directly administered by the
Premium British Raj British Empire
Colonial unity in the Americas were really weak. Each colony was like a separate nation‚ with no central government but the parliament leading them. The colonial political unity in America has grown from the French and Indian War to the Second Continental Congress. They have struggled to keep unity between the colonies during these times. Between the end of the French and Indian War and the Second Continental Congress‚ colonial political unity has changed and grown. Near the end of the French and
Premium American Revolution United States Declaration of Independence United States
folklore characters. The genre of “How Jack went to seek his fortune” is a fairytale. I don’t feel this story will fit into any of the other genres. 2. What is the exposition of the story? Summarize it in your own words and provide an example of the text. The exposition in this story would be Jack making the decision to go out and seek his fortune and when he actually set out to accomplish that decision. At the beginning of the fairytale Jack has decided he will seek his fortune and take the necessary
Premium Fairy tale Brothers Grimm Fiction
or institutions to determine for themselves when‚ how and to what extent information about them is communicated to others.” The current advanced computer technology increases capabilities to track‚ store and analysis personal data‚ which threatens individual’s privacy and security in using ICT. Though surveys showed that individuals have strong concerns about privacy (Widespread concerns about privacy‚ no date)‚ many are still not aware the ways how privacy can be infringed. The threats of privacy
Premium Identity theft World Wide Web Personal computer