david wong

Hey ! I'm David, a security consultant at Cryptography Services, the crypto team of NCC Group . This is my blog about cryptography and security and other related topics that I find interesting.

What is GCM (Galois Counter Mode)? July 2015

In this video I'm explaining what is that Galois Counter Mode that provides Authenticated Encryption with Associated Data (AEAD). You must have heard it combined with AES, and maybe used in TLS, ... This is just a small explanation, you can get more on the NIST specs.

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OK so apparently the output of a MAC can be called a MAC but also a Tag. So I guess I was confused for nothing.


Thanks!, excelent.