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• Gold box (phreaking) — The Gold Box is a Phreaking Box whose function is to create a bridge between two telephone lines. In its basic operation, the user calls one of the lines, the Gold box answers and connects the two lines together, yielding the dial tone of the… …   Wikipedia

• Green box (phreaking) — In Phreaking, the Green box was a device whose function was to manipulate the coin collection mechanism of Payphones. It employed three of the MF (multi frequency) tones used in the Blue box and could be viewed as a subset of that device.… …   Wikipedia

• cryptology — cryptologist, n. cryptologic /krip tl oj ik/, cryptological, adj. /krip tol euh jee/, n. 1. cryptography. 2. the science and study of cryptanalysis and cryptography. [1635 45; < NL cryptologia. See CRYPTO , LOGY] * * * Introduction …   Universalium