A cipher which uses a different encryption key every time, as long as the message. The key is XOR'ed with the message to render the cipher text which can then be XOR'ed with the same key to get the plain text.

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Why is the XOR of plaintexts equal to the XOR of ciphertexts with a two time pad?

I have been working in the vulnerabilities of the Two Time Pad. So i found in a lot of places, StackExchange included saying, that if two plain texts are encrypted (using XOR) with the same key the ...
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1answer
464 views

Is my one time pad cipher secure?

This is a program that I made for encrypting text files. It uses a one time pad cipher to encrypt the files, but I do not know if there is any holes in my program that could be a vulnerability. Is my ...
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1answer
52 views

How to XOR two hex values and am I doing crib dragging correctly? (OTP)

Let's say I have the two cipher texts 7ECC555AB95BF6EC605E5F22B772D2B34FF4636340D32FABC29B 73CB4855BE44F6EC60594C2BB47997B60EEE303049CD3CABC29B According to this website http://xor.pw/? the result ...
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3answers
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OTP - Reuse key BUT add IV, is it secure enough?

I have already asked a similar question and now I can continue to this question about adding a "extra key" = IV. My last question was about reusing key in OTP (One-Time-Pad). Now this question is ...
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1answer
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XOR = Best encryption? [duplicate]

If you have a TRULY random key (in binary) and you have a text (in binary) that you want to encrypt. Can you simple XOR the key and the text? Is that secure? How secure?
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1answer
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OTP - Why not reuse key? EDITED! [duplicate]

EDIT: REUSING KEY IS SECURE! OTP - Reusing key IS SECURE! PROVED! This might sound really dumb but why is it bad/insecure too use the same key twice on One-time-pad? Question: Why and how does using ...
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1answer
58 views

Many Time Attack [closed]

How i can XOR these two cipher texts encrypted by using same key First ...