Data Authentication Algorithm
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The Data Authentication Algorithm (DAA) is a former U.S. government standard for producing cryptographic message authentication codes. According to the standard, a code produced by the DAA is called a Data Authentication Code (DAC). The algorithm is not considered secure by today's standards.
The DAA is equivalent to CBC-MAC, with DES as the underlying cipher, truncated to between 24 and 56 bits (inclusive).
[edit] Sources
- FIPS PUB 113 - Computer Data Authentication - the Federal Information Processing Standard publication that defines the Data Authentication Algorithm
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