One Time Pad

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Network Security: One Time Pad
Topics discussed:
1) Problems with the original Vernam cipher with repeating keywords.
2) Theoretical aspects of the One Time Pad encryption technique.
3) Significance of having a non-repeating and random keyword in One Time Pad.
4) Two fundamental difficulties of One Time Pad which refrains from the greater level of usage and implementation.
5) Reason for why One Time Pad only exhibits perfect secrecy.
6) Definition of perfect secrecy.

Music:
Axol x Alex Skrindo - You [NCS Release]

#NetworkSecurityByNeso #Cryptography #NetworkSecurity #PolyalphabeticCipher #OneTimePad

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In previous video, they says that In vernam cipher length of the keyword = length of the plain text, and there will not be a repeating keyword. But here they mentioned just opposite of that 🤔

shajahans

This channel is really great ♥️ thank you for every think ♥️

mahmoudgouda

There is a single link between the OTP and the Plain Text and that is the Encryption length. It may not be very useful by knowing the length of the data but could prove useful through file size matching etc.

aandrewa

I suggest the following strong arm method in order to attempt to break a message using a one-time pad: the "poker hand" analysis. Break up the encrypted message into groups of five characters, then run through all the different possible key groups by the rarity of how often such a key group would come up in the game of poker, starting with five of a kind.

jeffreyweaver