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What is the difference between an unconditionally secure cipher and a computationally secure cipher?
unconditional security
no matter how much computer power or time is available, the cipher cannot be broken since the ciphertext provides insufficient information to uniquely determine the corresponding plaintext
computational security
given limited computing resources (eg time needed for calculations is greater than age of universe), the cipher cannot be broken
What else can I help you with?
What is a cipher machine?
A cipher machine is a mechanical device for encoding and decoding messages.
Two different names for the cipher 0?
The cipher "0" is commonly known as the "null cipher" and the "zero cipher." A null cipher encodes a message by hiding it within a larger body of text, often using specific letters or words to reveal the intended message, while the zero cipher is a more general term that can refer to any encoding that represents information with no visible changes in a certain context.
Who invented the cipher?
The Greeks
What are the antonyms of the word cipher?
code.
How do you enhance a Vigenere cipher like making it harder to crack?
Using a keyword as long as the message will make a vigenere cipher unbreakable.
What is difference between substitution cipher and transposition cipher?
Subtitution: each letter retains its position but changes its identity, Transposition: each letter retains its identity but changes its position.
Difference between substitution and transposition cipher?
The difference between substitution and transposition is that in:Subtitution:each letter retains its position but changes its identity,Transposition:each letter retains its identity but changes its position.
What is the difference between code and cipher?
cipher is a lower level substitution that works at the level of the individual letters that make up the plaintext A code however is higher level and works at the level of words. Therefore this sentence could be turned into the code '@!:[]{}~+'
What are the strength of transposition cipher?
A transposition cipher involves scrambling the letters in a message. The strengths of this are that there is less correspondence between characters, as there is in a substitution cipher, and that it tends to reduce redundancy.
How BAUDOT code made?
The BAUDOT code is made from a cipher. The cipher that does this is also known as a Bacon cipher.
How to you read pigpen cipher?
how to read pigpen cipher
When was Cipher in the Snow created?
Cipher in the Snow was created in 1973.
When was Cipher System created?
Cipher System was created in 1995.
When did Cipher Complex happen?
Cipher Complex happened in 360.
When was Cipher - album - created?
Cipher - album - was created in 2001.
Who would win in a fight, Bill Cipher or Naruto?
definitely cipher
What is the duration of Cipher in the Snow?
The duration of Cipher in the Snow is 1260.0 seconds.
