Most early signature schemes were of a similar type: they involve the use of a trapdoor permutation, such as the RSA function, or in the case of the Rabin signature scheme, computing square modulo composite n. A trapdoor permutation family is a family of permutations, specified by a parameter, that is easy to compute in the forward direction, but is difficult to compute in the reverse direction without already knowing the private key.

* The Atlantics, an Australian surf rock band formed in the early 1960s

In general, the larger the ensemble, the greater the need for a formal arrangement, although the early Count Basie big band was famous for its head arrangements, so called because they were worked out by the players themselves, memorized immediately and never written down.

* Affinity ( band ), A Jazz / Rock band active in the late 60s and early 70s

In the early 2000s the MC fronted band Relax got much airplay, as did de Spookrijders.

The band and their producer Mike Thorne had gone back into the studio in early 1985 to record a new single, " Run From Love ".

Soon after this he decided, as all successful people must decide at some time or another, to be his own boss again-and he has been that ever since .’ these notes fail to account for his early band, known as the Four Aces of Western Swing.

In an early 1999 interview, Love said about the Venus: " I wanted a guitar that sounded really warm and pop, but which required just one box to go dirty (...) And something that could also be your first band guitar.

In the summer of 2011, the band played at several festivals in Russia, and toured in Australia and Brazil in early 2012.

According to Love, her main focus in the band from very early on was on lyrics: " For me, I was just about lyrics and performance.

* Two Witches, a Finnish Gothic rock band, created a song in the early 1990s called " Mircalla ", inspired by the novel.

The third single from Woodface, " Weather With You ", peaked at No. 7 in early 1992 giving the band their highest UK chart placement.

The band became part of the American hardcore punk movement of the early 1980s.

In early to mid July, the band recruited 6025 ( Carlos Cadona ) as a secondary guitarist.

The band continued to write and perform new material during this time, which would appear on their next album ( some of these early performances can be seen in the Live at DMPO's on Broadway video, originally released by Dirk Dirksen and later reissued on Rhino ).

During the late 1950s and early 1960s Brubeck canceled several concerts because the club owners or hall managers continued to resist the idea of an integrated band on their stages.

( One original member of Gypsy Fever, backing vocalist Richard Dennison, has remained with Parton's organization through the early 2010s, serving as a supporting vocalist, as well as the vocal arranger for Parton's band.

Some tracks were composed using Eno and Peter Schmidt's Oblique Strategies cards: " Boys Keep Swinging " entailed band members swapping instruments, " Move On " used the chords from Bowie's early composition " All the Young Dudes " played backwards, and " Red Money " took backing tracks from " Sister Midnight ", a piece previously composed with Iggy Pop.

Bowie shelved his solo career in 1989, retreating to the relative anonymity of band membership for the first time since the early 1970s.

Beginning around 1890, the early New Orleans jazz ensemble ( which played a mixture of marches, ragtime, and Dixieland ) was initially a marching band with a tuba or sousaphone ( or occasionally bass saxophone ) supplying the bass line.

The slap style cuts through the sound of a band better than simply plucking the strings, and allowed the bass to be more easily heard on early sound recordings, as the recording equipment of that time did not favor low frequencies.

In the early 1990s, Deicide was on tour in Europe with Gorefest, a Dutch death metal band.

Despite early singles success in the United Kingdom, the band were initially more successful in the United States, billed as " The English guys with the big fiddles ".

One early example includes the anarcho-punk band Crass, who conducted a campaign of stenciling anti-war, anarchist, feminist and anti-consumerist messages around the London Underground system during the late 1970s and early 1980s.

During these early years the repair of watches and clocks and the building of special clocks for church steeples formed an important part of the young man's occupation.

In the early 2000's, Mark Stinson formed The Jotun's Bane Kindred ( JBK ).

The early discovered carbonate bauxites occur predominantly in Europe and Jamaica above carbonate rocks ( limestone and dolomite ), where they were formed by lateritic weathering and residual accumulation of intercalated clays or by clay dissolution residues of the limestone.

A very early Christogram is the Chi Rho symbol formed by superimposing the first two Greek letters in Christ ( ), chi = ch and rho

The Mullanes formed in Melbourne in early 1985 with Finn, Hester, Seymour and guitarist Craig Hooper ( ex-The Reels ) and first performed on 11 June.

As early as 1805, Gay-Lussac and von Humboldt showed that water is formed of two volumes of hydrogen and one volume of oxygen, and by 1811 Amedeo Avogadro had arrived at the correct interpretation of water's composition, based on what is now called Avogadro's law and the assumption of diatomic elemental molecules.

By the early 1990s there was sufficient interest among his seminar graduates to launch a collaborative implementation of his work, and the Bootstrap Alliance was formed as a non-profit home base for this effort.

She developed an early interest in dance, and in the mid-1930s formed a dance duo with Jerry Doherty that performed locally in Cincinnati.

Playing acoustic guitar, she formed a group with Bowie and bassist John Hutchinson ; between September 1968 and early 1969, when Bowie and Farthingale broke up, the trio gave a small number of concerts combining folk, Merseybeat, poetry and mime.

Support for Communists decreased sharply in the early 1980s, while later on the same decade environmentalists formed the Green League, which is now a medium-sized party.

He later formed his own Charles Urban Trading Company, which also produced early colour films.

Tony Moran later formed his own project, Concept of One, and the duo continued to produce reestyle artists into the early 1990s.

He formed a close friendship with Martin Zapater at this time, and their correspondence from the 1770s to the 1790s is a valuable source for understanding Goya's early career at the court of Madrid.

Tenets from both theories were applied to biology and formed the basis of early evolutionary theory.

The tradition of diglossia, the simultaneous existence of vernacular and archaizing written forms of Greek, was renewed in the modern era in the form of a polarization between two competing varieties: Dimotiki, the vernacular form of Modern Greek proper, and Katharevousa, meaning ' purified ', an imitation of classical Greek, which was developed in the early 19th century and used for literary, juridic, administrative and scientific purposes in the newly formed modern Greek state.

It formed the basis for some early merchandise in the US in the 1960s, such as a popular model kit by Aurora Plastics Corporation, and a popular board game by Ideal Toys.

These associations formed early in the universe, as clumps of dark matter pulled their respective galaxies together.

Their descendants, who formed the elite Optimatoi regiment, still lived there in the early 8th century.

Subsequent research by the likes of Hutton and Heselton has shown that in fact the New Forest coven was probably only formed in the early 20th century, based upon such sources as folk magic and the theories of Margaret Murray.

In the United States, several secret or semi-secret groups were formed explicitly to advance the rights of homosexuals as early as the turn of the 20th century, but little is known about them.

Greater Poland formed the heart of the 10th-century early Polish state, sometimes being called the " cradle of Poland ".

There was thus no time for significant carbon to be formed in the few minutes after the Big Bang, before the early expanding universe cooled to the temperature and pressure point where helium fusion to carbon was no longer possible.

Its affiliations included water utility, university, electricity company, brewery, and teacher unions, as well as several peasant organizations, including the National Central of Farm Workers ( Central Nacional de Trabajadores del Campo — CNTC ), formed in 1985 and active in land occupations in the early 1980s.

The inheritance of acquired traits also formed a part of early Lamarckian ideas on evolution.