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Message Authentication Codes Explained by -Ashrant Shinh- is a document available to read on EtoBox.

What is Message Authentication Codes Explained about?

The document discusses message integrity and MACs (message authentication codes) based on PRFs (pseudorandom functions). It introduces CBC-MAC and nMAC as two constructions that can be used to build a MAC for long messages from a PRF designed for short messages. CBC-MAC and nMAC work by applying the PRF in a chained or nested manner to the message blocks. The security of the resulting MAC depends on the number of message blocks authenticated - after about the square root of the PRF

Author

-Ashrant Shinh-

Language

EN