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Everyone relies on cryptography in today's world. This session aims to provide a good technical overview of all of the foundational concepts of cryptography in order to enable a security professional to make better decisions regarding the technologies used for protection. We will, at first, explain the concepts of hybrid, symmetric and asymmetric cryptography before moving onto the subject of hash and digest functions in order to explain the way digital signatures work. With that introduced, we will look at the X.509 certificate standard, SSL and smartcards and move onto a rapid discussion of all of the current encryption algorithms such as AES, TripleDES, IDEA, RC2, RC4, RSA, ElGamal, ECC, and briefly touching on quantum cryptography. While we are not going to discuss each of them in detail we hope to provide enough information to allow you to make better choices when deciding on the technologies to use.
https://www.microsoft.com/emea/spotlight/sessionh.aspx?videoid=17