Malleable and Homomorphic Encryption: Securing Data in a Digital World
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Today, Tim takes us on a thrilling journey into the treacherous world of malleable encryption. It's like giving a burglar the keys to your house - anyone, even attackers, can tamper with your encrypted data. Using examples like the vulnerable one-time pad, Tim shows how perfect encryption can be twisted and exploited by cunning adversaries. It's a bit like leaving your front door wide open for anyone to stroll in and help themselves to your valuables.
But fear not, because Tim also introduces us to the intriguing concept of homomorphic encryption, exemplified by the renowned RSA system. This technology allows for mathematical operations on encrypted data without the need for decryption, opening up a world of possibilities. However, as Tim demonstrates, even this powerful encryption method is not immune to the devious tactics of attackers who can manipulate values to their advantage. It's like having a state-of-the-art security system that can still be outsmarted by a crafty thief.
Furthermore, Tim delves into multiplicative homomorphic encryption, where the lines between multiplication and addition blur in the encrypted realm. By showcasing how operations on ciphertexts can impact plaintext, he unveils the fascinating world of homomorphic properties. From manipulating vote tallies without compromising individual votes to exploring the limitations of deterministic encryption in RSA, Tim navigates the complex landscape of secure data transmission with precision and flair. It's a high-octane ride through the intricate maze of encryption technology, where every move counts and every vulnerability is a potential pitfall.
Image copyright Youtube
Image copyright Youtube
Image copyright Youtube
Image copyright Youtube
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Suggestion to add high pitch server room noise for authenticity
One-time pad stipulations: key length, randomness
Request for a working marker instead of repurposed whiteboard marker
Positive feedback on the explanation video
Suggestion to add random wasted space to prevent bit flipping
Difficulty in following the video for someone with little prior knowledge of one-time pads
Request for a video on Schnorr signatures
Homemade one-time-pad app encryption method using leading bits for rearrangement
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