Why digital certificate?

Digital Signature:

Digital signature is used for authentication, non-repudiation and data integrity, but there is one weakness of digital signature alone: man-in-the-middle attack.

Digital certificates are electronic credentials issued by a trusted third party. A digital certificate not only verifies the identity of the owner, but also verifies that the owner owns the public key.

In this video, I will demonstrate why digital signature has weakness and how digital certificate comes in place to make sure digitally signed document must come originally from the claimed sender.

Advanced Cryptography:

Playlist: Basic Cryptography

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[brunomartel]

dude this stuff is more addictive than netflix

[RomanPeralta]

What a great material. I’m amazed by the elegance of simple explanations for complex topics. Solid gold.

[yjwoo]

This is for sure the best introduce-level cyber security series i've ever watched! thank you soooo much for the clear examples and animation, these videos saved hours for me

[mikespilligan]

Sunny is the best person i have ever heard at explaining things. I present IT concepts at work in to non technical people. I take Sunnys videos and copy them word for word, he is amazing.

[chrissullins]

Thanks Sunny - you helped me pass Security +, now I'm on to CEH. Love these videos!

[shaheerkhan]

Thank you Sunny! i am doing security+ and following your channel for quite a bit now. Your videos are so amazing and simple. I have been so confused about these topics, i watched so many videos and they complicate things so much. Watching your videos on the topic really helped me to understand this topic and now i can even understand the more complex version of explanations in my course and book. Keep doing what you are doing:)

[janezperme]

Easy to follow, clear and to the point. If one needs more, there are RFCs. Keep up the good work and thumbs up for all your videos Sunny !

[rachelleebueza]

True! This is also the best video I've watched concerning digital signatures and certificates. After watching this, I've already understood everything related to this topic! Thank you so much sir!

[AkashDeepSingh-icub]

You make complex-sounding things so easy by concepts and analogies you bring in.

[PhannaPH]

Your explanation is still valuable to me in 2023. Clear and easy to understand! Thank you for your kind sharing!

[suvekshyashrestha]

Thank you for clarifying. You make the best tech videos that simplify even the complicated and confusing concepts.

[harpatcametsi]

Sunny, you do an amazing job! You are clear, simple to understand, perfect teacher!!! Thank You!

[EmanuelAB]

What a quality explanation!. Those very nice animations help a lot to understand the thing. Thanks for these amazing videos. Cheers!

[advokat_vrn]

Sunny, you are the best! Thank our for your videos

[donbrahms]

After look at many of your tutorials and I conclude that you have give lesson to many people with great explanations. Salute, success for you Sunny 👍

[Chris-sszt]

Wow, you've got such an ability to explain things in the easiest way. Thanks so much for that.

[sunrice]

Thank you very much for this video and the digital signature video. It helps me a lot to know the back-end theory. The speed and how you present it also helps a lot.

[joyuk]

The BEST explanation of this complex subject, using the best choice of words. Awesome!!!

[tamilstudent]

I am a newbie to networking and this is the only video i found easy to understand the digital certificate

[syedzoheb]

Hi Sunny 🖐️
Started watching your videos since yesterday. Your explanation and examples are very clear. Thank you so much.