A fiber, a single filament of natural material, such as cotton, linen or wool, or artificial material such as nylon, polyester, metal or mineral fiber, or man made natural fibre like Viscose, Modal & Excel is measured in terms of linear mass density, the weight of a given length of fiber.
The vernam cipher, sometimes known as the 'one time pad', is a stream cipher, which providing certain requirements are met, can be theoretically unbreakable.
â¢ CIPHER (verb). The verb CIPHER has 2 senses: 1. convert ordinary language into code. 2. make a mathematical calculation or computation. Familiarity information: CIPHER used as a verb is rare.