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 ).

Without sufficient levels of these key electrolytes, muscle weakness or severe muscle contractions may occur.

From the perspective of others, however, the proposed airborne units had a key weakness: they required exactly the same resources as the new strategic bomber capability, another high priority, and would also compete with the badly stretched strategic air lift capability, essential to Churchill's strategy in the Far East.

Perry ( 2004 ) argues that the key weakness of the novel is not that he decks out American politicians with sinister European touches, but that he finally conceives of fascism and totalitarianism in terms of traditional American political models rather than seeing them as introducing a new kind of society and a new kind of regime.

Although interpretations of Philip's role in government have improved in recent years, Diego Velázquez's contemporary description of Philip's key weakness — that ' he mistrusts himself, and defers to others too much ' — remains extant.

argues that the key weakness of the novel is not that he decks out American politicians with sinister European touches, but that he finally conceives of fascism and totalitarianism in terms of traditional American political models rather than seeing them as introducing a new kind of society and a new kind of regime.

A key tool to manage this weakness is production levelling to remove these variations.

The cipher's primary weakness comes from the fact that if the cryptanalyst can discover ( by means of frequency analysis, brute force, guessing or otherwise ) the plaintext of two ciphertext characters then the key can be obtained by solving a simultaneous equation.

A cryptographic attack is a method for circumventing the security of a cryptographic system by finding a weakness in a code, cipher, cryptographic protocol or key management scheme.

A key weakness was the limited number of modern Krupp and du Bange guns.

It is then shown how this weakness can in principle be used to facilitate the linear cryptanalysis of MUGI with two main objectives: to reconstruct the secret key and to find linear statistical distinguishers.

Curtin's work includes helping to prove the weakness of the Data Encryption Standard and providing expert testimony in Blumofe v. Pharmatrak, in which a key ruling was made by the U. S. Court of Appeals for the First Circuit, showing how the Electronic Communications Privacy Act ( ECPA ) applies to Web technology.

# Focus and discipline are the key to strength ; diversion is the key to weakness.

Hume attacked the weakness of inductive logic and the apparently mystical assumptions behind key concepts such as energy and causality.

Time James Poniewozik found a possible " weakness to the early Meereen sections marking time ( and making Dany uncharacteristically indecisive ) to allow time for all the pieces to fall into place " and said, " All this makes for a thousand-page book that feels half as long, that moves dextrously, answers key questions and gobsmacks you with convincing feints and change-ups.

US employment data showed sustained weakness throughout 2011 and the jobs market has become an area of key focus for investors and market participants.

Ctesiphon and its aftermath revealed a key British weakness in this campaign: an inadequate supply line.

Although this does not result in an efficient key recovery attack yet, it indicates a weakness in the initialization which could be with a little effort.

Mrs. Sandburg received a Phi Beta Kappa key from the University of Chicago and she was busy writing and teaching when she met Sandburg.

Trevelyan's Manin And The Venetian Revolution Of 1848, his last major volume on an Italian theme, was written in a minor key.

It was the end of the afternoon when he took the huge key out of his pocket and inserted it into the keyhole.

When he was bent over behind the wheel of the station wagon, feeling in his trouser cuffs for the ignition key which he had dropped a moment before, she came out of the house with an enormous Rumanian shawl over her head, which she had bought in that country during one of their trips abroad, and handed him a clean handkerchief through the window.

Called a `` Slo-Flo '' meter it was designed for this job by Power Plus Industries of Los Angeles, a key individual being Don Nelson.

I waited until my man was coming out of the office with the key to a cabin before I went in to register.

Her door was locked and the key was missing.

A $25 billion advertising budget in an $800 billion economy was envisioned for the 1970s here Tuesday by Peter G. Peterson, head of one of the world's greatest camera firms, in a key address before the American Marketing Assn..

Though President John F. Kennedy was primarily concerned with the crucial problems of Berlin and disarmament adviser McCloy's unexpected report from Khrushchev, his new enthusiasm and reliance on personal diplomacy involved him in other key problems of U.S. foreign policy last week.

It was terribly off key, and poorly done, and Tommy could never admit to herself that male companionship was a very natural and important thing, but all at once she felt lonesome and put-upon.

Yes, there was the key.

* That the discipline grew out of colonialism, perhaps was in league with it, and derived some of its key notions from it, consciously or not.

Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that nurtured the development of civilization.

When Darnley died in 1927 his widow presented the urn to the Marylebone Cricket Club and that was the key event in establishing the urn as the physical embodiment of the legendary ashes.

They encouraged farming and agriculture and taught farming and cultivation techniques, as they believed that agricultural development was the key to a stable and prosperous society.

The largest successful publicly known brute force attack against any block-cipher encryption was against a 64-bit RC5 key by distributed. net in 2006.

Much emphasis was given to quantitative data, seen as the key to unlocking all of social history.

It was designed to put the key provisions of the Civil Rights Act into the Constitution, but it went further.

For him the key to the kingdom's spiritual revival was to appoint pious, learned, and trustworthy bishops and abbots.

The key question is whether Linnaeus's type was a South African plant or a South American plant.

His reign was marred by a constitutional struggle with the Aragonese nobles, which eventually culminated in the articles of the Union of Aragon-the so-called " Magna Carta of Aragon ", which devolved several key royal powers into the hands of lesser nobles.

Symbolism as an art movement was in full swing at this time and L ' Ymagier provided a nexus for many of its key contributors.

He was a key figure in the Danish policies of territorial expansion in the Baltic Sea, Europeanization in close relationship with the Holy See, and reform in the relation between the Church and the public.