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 ).

Many of their records feature the top session players of the era, and their arrangements, with multiple key changes and complex vocal harmonies, reflected a high level of craftsmanship.

Many of the initial games were programmed to give feedback of the keypress when the key was released instead of when the key was pressed.

Many have written that the key factor is when the reader first encountered Mad.

Many common text editors ( such as gedit, Notepad ++, and Visual Studio ) exhibit similar behaviour when arrow keys are used with control key depressed.

Many of the key characters in West Side Story are based on counterparts in Romeo and Juliet:

Many further refinements have been made, and countless design variations are common among flutes today ( the " offset G " key, addition of the low B foot, etc.

) Many older Sousaphones were pitched in the key of E ♭ but current production of Sousaphones in that key is somewhat limited.

Many modern automobiles ( especially the more expensive models ) have keys with transponders hidden inside the plastic head of the key.

" Many of the AFA teams revived, with slight alterations, the names of WFL teams that had resided in respective cities, and several of the AFA's key personnel had previously served in similar capacities with WFL teams.

Many software vendors use the call to create the appearance of multitasking, by transferring control back to the terminated program on automatic or externally-generated events, such as pressing a certain key on the keyboard.

Many, including Mark Arm, cite Tales of Terror as a key inspiration for the then-burgeoning grunge scene.

Many of the key features of his music — radical discontinuity, the self-contained brevity of each gesture, an attraction to wide intervals — owe much to Bailey's early fascination with Anton Webern, an influence most audible on Bailey's earliest available recordings, Pieces for Guitar ( 1966 – 67, issued on Tzadik ).

Many variables can influence the colour intensity and every protein has its own staining characteristics ; clean glassware, pure reagents and water of highest purity are the key points to successful staining.

Many of its shows — particularly the productions of the late 1970s and 1980s — are notable for imparting a simple moral or life-lesson ( explained by a key character, in a child-friendly manner ) in the epilogue.

Many English-speaking residents did not support the translation and felt that speaking English was key if Latinos “ wanted to live in country ”.

Charlestown also maintains several historic cemeteries and “ commons .” Many key colonial structures, listed in “ Latrobe ’ s View of Charlestown ” from 1813, have been demolished and lost over the last few centuries including the Market House, the Alison-Key House, Morrow House, Tully House, and the Bladen House.

Many of the key fortresses on what little territory it controlled were in Ottoman hands.

Many anarchists, particularly anarcho-primitivists and anarcho-communists, believe that variations on a gift economy may be the key to breaking the cycle of poverty.

Many key agreement methods have been developed, with different security requirements for the secure channel.

Many key user interface decisions familiar to today's users had already been made in 1965, as part of the CP-40 effort.

Many companies have upgraded their sales manpower and tested new selling, distribution, and promotion techniques to gain a bigger competitive edge.

Many people with serious visual impairments live independently, using a wide range of tools and techniques.

Many methods are used in amateur astronomy, but most are variations of a few specific techniques.

Many of these techniques are identical to those carried out under high performance liquid chromatography, however use of FPLC techniques are typically for preparing large scale batches of a purified product.

Many rendering algorithms have been researched, and software used for rendering may employ a number of different techniques to obtain a final image.

Many foreign " flying winemakers " have had a hand in this development, bringing global viticulture and winemaking techniques to the Colli Fiorentini.

Many concepts and techniques of analysis and differential equations have been generalized to the setting of Riemannian manifolds.

Many very old double basses have had their shoulders cut or sloped to aid playing with modern techniques.

Many new dishes were introduced, as well as techniques.

Many developments in first aid and many other medical techniques have been driven by wars, such as in the case of the American Civil War, which prompted Clara Barton to organize the American Red Cross.

Many companies are working on techniques to reduce cost in a variety of ways including reducing the amount of platinum needed in each individual cell.

Many alternative, often contradictory, theories have been proposed regarding the pyramid's construction techniques.

Many building codes specify basic foundation design parameters for simple conditions, frequently varying by jurisdiction, but such design techniques are normally limited to certain types of construction and certain types of sites, and are frequently very conservative.

Many of the procedures and techniques that he utilized would not be used again for centuries.

Many techniques, collectively called dithering, have been developed to approximate a wider range of colors with a small color palette by using pixels of two or more colors to approximate in-between colors.

Many papers have since presented fabrication methods for producing superhydrophobic surfaces including particle deposition, sol-gel techniques, plasma treatments, vapor deposition, and casting techniques.

Many commercial opiate screening tests cross-react appreciably with hydrocodone and its metabolites, but chromatographic techniques can easily distinguish hydrocodone from other opiates.

Many variations and alternatives to the original hypnotic induction techniques were subsequently developed.

Many of the techniques of X-ray spectroscopy were inspired by the methods that are used with visible light spectroscopes and spectrograms, by substituting crystals, ionization chambers, and photographic plates for their analogs in light spectroscopy.

Many techniques have been used to create steel ; Mediterranean ones differ dramatically from African ones, for example.

Many of the techniques of CPU and OS design that improve interrupt latency will decrease throughput and increase processor utilization.

Many theoretical search techniques for detecting Kaluza-Klein Resonances have been proposed using the mass couplings of such resonances with the top quark, however until the LHC reaches full operational power observation of such resonances are unlikely.

Many logically-based program transformation techniques have been developed to assist the programmer in this process, transforming programs that are correct but inefficient into programs that are both correct and efficient.