краткий пересказ. (Modern Encryption) (краткий пересказ. (Modern Encryption).docx)
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Modern Encryption
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Is the one-time pad an unbreakable means of encryption?
Yes it is. This encryption is derived from Vernam Cipher, which has been proven to be unbreakable by Joseph Mauborgne.
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What two assumptions does the unbreakable aspect of the one-time pad come from?
Firstly the key used is completely random, and secondly the key cannot be used more than once.
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What is the difference between PRNG and CSPRNG?
PRNGs are called pseudo, because they cannot give a completely random number stream. CSPRNG is a security version of PRNG that is secure to be used for cryptographic purposes.
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What is safer: PKC or SKC?
It is incorrect to compare these types of algorithms, because in case there is enough key length is used, they are both practically uncrackable, but in real world they are used for different purposes, Secret-Key Cipher can be used only in online connections and is usually much faster than PKC. However, PKC is used rarely so it is safer and can use bigger key.
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What can the strength of RSA encryption depend on?
It depends on the length of two prime numbers used to generate asymmetric key.