phone scrambler

См. также в других словарях:

• Scrambler — For other uses, see Scrambler (disambiguation). In telecommunications, a scrambler is a device that transposes or inverts signals or otherwise encodes a message at the transmitter to make the message unintelligible at a receiver not equipped with …   Wikipedia

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• STU-III — is a family of secure telephones introduced in 1987 by the NSA for use by the United States government, its contractors, and its allies. STU III desk units look much like typical office telephones, plug into a standard telephone wall jack and can …   Wikipedia

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• One-time pad — Excerpt from a one time pad In cryptography, the one time pad (OTP) is a type of encryption, which has been proven to be impossible to crack if used correctly. Each bit or character from the plaintext is encrypted by a modular addition with a bit …   Wikipedia

• Pulse-code modulation — PCM redirects here. For other uses, see PCM (disambiguation). Pulse code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form for digital audio in computers and various Blu ray, Compact Disc and …   Wikipedia

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