The Secure Sockets Layer and Transport Layer Security. Ever since Netscape Communications invented the Secure Sockets Layer Protocol (SSL) in 1994, after the Internet becomes under scrutiny over security, the arms race between code breakers and code makers has been accelerated in the field of the internet cryptography.
Medical Definition of AUTOTROPHIC. 1. : needing only carbon dioxide or carbonates as a source of carbon and a simple inorganic nitrogen compound for metabolic synthesis.2.: not requiring a specified exogenous factor for normal metabolism.â auÂ·toÂ·troÂ·phiÂ·calÂ·ly \-fi-k(É-)lÄ\ adverb.efinition of AUTOTROPHIC. 1. 2. : not requiring a specified exogenous factor for normal metabolism. â auÂ·toÂ·troÂ·phiÂ·calÂ·ly \-fi-k(É-)lÄ\ adverb.
Autotroph. Photoautotrophs. Chemoautotrophs. An autotroph is an organism able to make its own food. Autotrophic organisms convert inorganic molecules into organic compounds. Autotrophs are referred to as primary producers, and they occupy the ecological niche at the base of all food chains. There are two categories of autotrophs, distinguished by the type of energy each uses to synthesize organic products.