Hash Based Message Authentication Code-HMAC-KTU CST 433 Security in Computing S7 CS- Mod 4 Part 4

Digital signature- mod 4 : https://youtu.be/z92gl0-8eLc
Digital Signature Standard-mod 4: https://youtu.be/Swq6y2NGKI8
Distribution of secret keys-mod 5:https://youtu.be/uqzYay0SYDU
Distribution of Public keys-Mod 5:https://youtu.be/NDJVYUFGdWI
Malicious software-mod 5:https://youtu.be/X3Fn-GlPLhE
Viruses-1-mod 5:https://youtu.be/TGT2mTsnmAs
viruses-2-mod 5: https://youtu.be/pD68A_SBPIs
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