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The authentication table converts a two digit challenge number into a two digit response. It is a 10 by 5 grid, also labeled horizontally and vertically with single digits. Each cell contains a random two digit number, with no repeated cells. A challenge is issued as a two digit number specifying the columns and row that selects a cell in the ...
A United States Uniformed Services Privilege and Identification Card (also known as U.S. military ID, Geneva Conventions Identification Card, or less commonly abbreviated USPIC) is an identity document issued by the United States Department of Defense to identify a person as a member of the Armed Forces or a member's dependent, such as a child ...
Challenge–response authentication. In computer security, challenge-response authentication is a family of protocols in which one party presents a question ("challenge") and another party must provide a valid answer ("response") to be authenticated. [1]
The common access card, also commonly referred to as the CAC, is the standard identification for active duty United States defense personnel. The card itself is a smart card about the size of a credit card. [1] Defense personnel that use the CAC include the Selected Reserve and National Guard, United States Department of Defense (DoD) civilian ...
Multiservice tactical brevity code. March 2023 edition cover page of the Multi-Service Brevity Codes. Multiservice tactical brevity codes are codes used by various military forces. The codes' procedure words, a type of voice procedure, are designed to convey complex information with a few words.
The United States has been assigned all call signs with the prefixes K, N, and W, as well as AAA–ALZ. Allocating call signs within these groups is the responsibility of the National Telecommunications and Information Administration (almost all government stations) or the Federal Communications Commission (all other stations), and they subdivide the radio call signs into the following groups:
Gold Codes. The Gold Code is the launch code for nuclear weapons provided to the President of the United States in their role as commander-in-chief of the armed forces. [1] In conjunction with the nuclear football, the Gold Codes allow the president to authorize a nuclear attack. [2] Gold Codes, as well as a separate nuclear football, are also ...
The first public collision was published on 23 February 2017. [2] SHA-1 is prone to length extension attacks. In cryptography, SHA-1 ( Secure Hash Algorithm 1) is a hash function which takes an input and produces a 160- bit (20- byte) hash value known as a message digest – typically rendered as 40 hexadecimal digits.