Radio Electronic Token Block
Radio Electronic Token Block Radio Electronic Token Block is a system ...
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Token (railway signalling)
Token (railway signalling) On railways, a token (also staff or tablet, depending on its ... particular section of single track. The simplest token system was developed in Britain in the ... 19th century. In this system only one token exists, so the driver holding it has ... worked in the same direction. The simple token system was therefore extended. If one ...
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User:O^O/Temp002
... AAR This user listens to Air America Radio, for those of us left. aat ΓΛ̇Ϩχ̇ ... Alternative Music, not the crap on the radio or MTV. This user likes alternative rock ... center>

User:Redwolf24/FullArchive
... Oh, and I asked Evil Monkey to block User:NickBush24isafag. -- Essjay · Talk 07:16 ... 2000 edits so I can get the block power! -- Essjay · Talk 11:46, July ... guy at a protest in town to block out his signs. Really, he's just ... Uncanny; I'm discussing the 24 hour block with the blocker as we speak! Don ... blocked as of now; however, consensus to block is developing at RfC. -- Essjay · ...
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Topics in cryptography
... SNOW SOBER SOBER-t16 SOBER-t32 WAKE Block ciphers Block cipher modes of operation Product cipher Feistel cipher (block cypher design pattern by Horst Feistel) Advanced Encryption Standard (128 bit block; NIST selection for the AES, FIPS 197 ... NESSIE selection; CRYPTREC recommendation) Anubis (128-bit block) BEAR (block cypher built from stream ...
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Railway signalling
... matters such as the implementation of interlocked block signalling and other safety measures as a ... a dispatcher to a train crew via radio or mobile phone. The train crew uses ... not allowed to be in the same block at the same time. A train cannot enter a block until it is permitted, generally by a signal that the block ahead is empty. On high-speed ...
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Talk:USS Liberty incident/Archive01
... us with a copy. By the same token, if someone could pursue a course that ... claims to have called the ship on radio several times without receiving an answer while ... There is a rare extract from a radio exchange between air control and Israeli pilots ... that people in Italy have heard the radio broadcasts of the Liberty)? Did you even ... that people in Italy have heard the radio broadcasts of the Liberty Actually the ...
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List of cryptography topics
... Standard -- Advanced Encryption Standard process -- Adversary -- AEAD block cipher modes of operation -- Affine cipher -- Agnes ... Park -- Blind credential -- Blinding (cryptography) -- Blind signature -- Block cipher -- Block cipher modes of operation -- Block size (cryptography) -- Blowfish (cipher) -- Blum-Blum-Shub ... Probabilistic Public-Key Encryption Scheme -- EFS -- EKMS -- Electronic Communications Act 2000 -- Electronic money -- Electronic ...
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Railway signal
... start of a section of track (with block signalling) ahead of a level crossing ahead ... be given a physical object called a token to authorise him to use a particular ... track. Since there was either only one token, or electrical locking was used to prevent more than one token being released at any one time, for ... be coming from the other direction. The token system has now largely been replaced ...
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National Security Agency
... of National Intelligence. Its eavesdropping mission includes radio broadcasting, both from various organizations and individuals ... be responsible for directing the communications and electronic intelligence activities of the military intelligence units ... Encryption Standard (DES), a standard and public block cipher used by the US government. During ... cryptography; for example, the Khufu and Khafre block ciphers. Patents The NSA has the ability ... open air' nature of much of the radio communications around the world. The NSA' ...
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