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Many ciphers are based on publicly known algorithms or are open source, and so it is only the difficulty of obtaining the key that determines security of the system, provided that there is no analytic attack ( i. e., a ' structural weakness ' in the algorithms or protocols used ), and assuming that the key is not otherwise available ( such as via theft, extortion, or compromise of computer systems ).
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Many and ciphers
Many other realizations of block ciphers, such as the AES, are classified as substitution-permutation networks.
Many modern block ciphers use more complex forms of transposition related to this simple idea.
Many modern block ciphers are based on a construction proposed by Horst Feistel.
Many of the classical ciphers can be cracked using brute force or by analyzing only ciphertext with the exception of the one-time pad.
Many ciphers were only partial implementations of Alberti's, and so were easier to break than they might have been ( e. g. the Vigenère cipher ).
Many block ciphers, such as RC5, support a variable block size.
Many modern and also some old symmetric block ciphers are based on Feistel networks ( e. g. GOST 28147-89 block cipher ), and the structure and properties of Feistel ciphers have been extensively explored by cryptographers.
Many writers claimed to have invented unbreakable ciphers.
Many classical ciphers arrange the plaintext into particular patterns ( e. g., squares, rectangles, etc.
Many classical ciphers were used by well-respected people, such as Julius Caesar and Napoleon, who created their own ciphers which were then popularly used.
Many ciphers had their origins in the military and were used for transporting secret messages among people on the same side.
Many transposition ciphers are done according to a geometric design.
Many transposition ciphers are similar to these two examples, usually involving rearranging the letters into rows or columns and then taking them in a systematic way to transpose the letters.
Many of the classical ciphers can be broken even if the attacker only knows sufficient ciphertext and hence they are susceptible to a ciphertext-only attack.
Many specialized authenticated encryption modes have been developed for use with symmetric block ciphers.
Many and are
Many of them, moreover, are beginning to complain about the scarcity of Western amusements and to ridicule the old life of the bazaar merchant, the mullah, and the peasant.
Many selections are themselves convincing contributions to this appraisal.
Many of our very best friends are reformers.
Many home-bound subway riders utilizing the Flushing-Main Street express are daily confronted with the sight of the local departing from the Woodside station as their express comes to a stop, leaving them stranded and strained.
Many belly dancers are married, but Serene is one of the few who will admit it.
Many of these experiences are so important that they will be cherished forever by me.
Many hours are given free by the Jaycees to make this and all local pageants outstanding events.
Many adults showing at Westminster today are products of this Class.
Many cells, bacteria, and other microorganisms are transparent to visible light and must be stained for microscopic investigation.
Many of the cells and microorganisms which are transparent to visible light, absorb or reflect the much shorter wavelengths of the ultraviolet spectrum.
Many industry trade associations are developing campaigns to protect or enhance the share of the consumer's dollar being spent on their particular products.
Many food and beverage companies are already on a highly planned basis.
Many other ( probably nearly all ) snakes at maturity are already more than half their final length.
Many of the new appointees are art collectors.
Many years later ( on August 3, 1915 ), Lucy Upton wrote Winslow's daughter soon to be graduated from Smith College: `` While I love botany which, after dabbling in for years, I studied according to the methods of that day exactly forty years ago in a summer school, it must be fascinating to take up zoology in the way you are doing.
Many of the features of the homes are the latest modern devices in American homes, but an interesting blend of cultures finds us using Japanese artfulness in our own Western architecture at the same time that the Japanese are adopting Western utility patterns.
Many legislators are already weary and frustrated over the so-far losing battle to block token integration.
Many of the toll-road bonds still are selling at prices that offer the prospect of an annual yield of 4 per cent, or very close to that.
Many others are attracting the traffic needed to push revenues up to the break-even point.
Many of the coal seams in the nationalized British mines are twisting, narrow and very deep.
Many English Catholics are proud of their Catholicism and know that they are in a new ascendancy.
Many of you are familiar, I'm sure, with the story of my early struggles: the fire in January, 1947, that destroyed everything -- even our precious list of subscribers.
Many caecilians and some other amphibians lay their eggs on land, and the newly hatched larvae wriggle or are transported to water bodies.
Many and based
Many arguments from morality are based on morality normativity, which suggest that objective moral truths exist and require God's existence to give them authority.
Many have been based on a tracked tank chassis, while others are wheeled.
Many have been based on a tracked tank chassis, while others are wheeled.
Many find aberration to be counter-intuitive, and a simple thought experiment based on everyday experience can help in its understanding.
* Many of the parts of the " conspiracy " are based on errors or plot holes identified by fans of the original movie, such as Leon's ability to bring a gun into the Tyrell building, or the reference to the sixth replicant.
Many scholars debate over what happened on the threshing floor ; yet it seems unlikely Boaz and Ruth had sexual relations based on the narrative's portrayal of their character ( esp.
Many of the early building societies were based in taverns or coffeehouses, which had become the focus for a network of clubs and societies for co-operation and the exchange of ideas among Birmingham's highly active citizenry as part of the movement known as the Midlands Enlightenment.
Many modern machine learning methods are based on objectivist Bayesian principles.
Many different forms of storage, based on various natural phenomena, have been invented.
Many NASA based operations interact and identify each other through command programs called software.
Many of the public works instituted in his reign were based on plans first suggested by Julius Caesar.
Many philosophies and worldviews have a set of classical elements believed to reflect the simplest essential parts and principles of which anything consists or upon which the constitution and fundamental powers of anything are based.
Many jelly desserts are traditionally set with agar and are flavored with fruits, though gelatin based jellies are also common in contemporary desserts.
Many other " community day schools " that are not affiliated with the Solomon Schechter network take a generally Conservative approach, but unlike the Schechter schools, these schools generally have " no barriers to enrollment based on the faith of the parents or on religious practices in the home.
Many types of content-control software have been shown to block sites based on the religious and political leanings of the company owners.
Many examples are based on locations in London and, in all likelihood, will be meaningless to people unfamiliar with the capital e. g. " Peckham Rye ", meaning " tie " ( as in necktie ), which dates from the late 19th century ; " Hampstead Heath ", meaning " teeth " ( usually as " Hampsteads ”), which was first recorded in 1887 and " Barnet Fair ", meaning " hair ", which dates from the 1850s.
Many systems of collation are based on numerical order or alphabetical order, or extensions and combinations thereof.
( Many believe Trapasso was trying to hit the suspended scoreboard, based on replays and the angle of the kick.
Many of the successful programs were transitioned to the Services, such as the foundation technologies in automatic target recognition, space based sensing, propulsion, and materials that were transferred to the Strategic Defense Initiative Organization ( SDIO ), later known as the Ballistic Missile Defense Organization ( BMDO ), now titled the Missile Defense Agency ( MDA ).
Many effective therapies have been based on the principles of applied behavior analysis, including pivotal response therapy which is used to treat autism spectrum disorders.
Many successful Hollywood films have been based on British people, stories or events, including Titanic, The Lord of the Rings, Pirates of the Caribbean and the ' English Cycle ' of Disney animated films.
Many Hollywood films with a British dimension ( based on British people, stories or events ) have had enormous worldwide commercial success.
Many labels expected New York freestyle and Miami freestyle to have the same audience and thought that the same promotional strategy would work for both genres, which often led to poor results for the New York – based freestyle.
Many Canarian windsurfers are on the Canarian Waveriders circuit, which has been based in Corralejo since 2005.
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