asap please python Using block diagram, design the architectural layout of the simplified model of a symmetric...

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asap please python
Using block diagram, design the architectural layout of thesimplified model of a symmetric Cryptosystem.
Implement a cryptosystem columnar transposition technique witha 4 x 4 matrix arrangement. Test your code with â€˜cryptographyâ€™ asthe plaintext.

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Answer IIt is a technique used to avoid an unauthorized access of dataIt helps to provide accountability fairness and accuracy and alsoprovide confidentiality Broadly four different kinds of peoplecontributed their efforts in this technique and are i Militaryii The Diplomatic Corps iii Diarists and iv CommunicationsSystem Cryptography involves two basic operations and is named asencryption and key management Informationdata canbe encryptedusing a cryptographic algorithm by various keys The security ofcryptographic system is not onlydependent on the encryption algorithm it also depends upon thekeys used for the encryption These keys area always kept securedfrom the hacker and are known as secret key Key plays an importantrole in encryption process which is a main part of cryptography Due to channel See Answer

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