Data Authentication Algorithm

In today's world, Data Authentication Algorithm has become a relevant topic that has captured the attention of society in general. Its importance and impact cover a wide range of aspects, from technology to politics, including culture and interpersonal relationships. In this article we will explore how Data Authentication Algorithm has influenced and shaped different aspects of our lives, as well as its role in creating new trends and transforming established paradigms. Through detailed analysis, we seek to shed light on the different nuances and dimensions of Data Authentication Algorithm, with the aim of better understanding its relevance in our contemporary society.

The Data Authentication Algorithm (DAA) is a former U.S. government standard for producing cryptographic message authentication codes. DAA is defined in FIPS PUB 113, which was withdrawn on September 1, 2008.[citation needed] The algorithm is not considered secure by today's standards.[citation needed] According to the standard, a code produced by the DAA is called a Data Authentication Code (DAC). The algorithm chain encrypts the data, with the last cipher block truncated and used as the DAC.

The DAA is equivalent to ISO/IEC 9797-1 MAC algorithm 1, or CBC-MAC, with DES as the underlying cipher, truncated to between 24 and 56 bits (inclusive).

Sources

  1. ^ FIPS PUB 113 – Computer Data Authentication – the Federal Information Processing Standard publication that defines the Data Authentication Algorithm