The field of Cryptography primarily deals with the encryption and decryption of data in order to secure it. The process of encryption refers to altering human-readable data using algorithms such as AES, DES, etc. into garbled, scrambled form so that its meaning cannot be easily understood, making it hard to breach. Decoding refers to converting the encoded data into its plain or human-readable form. Several other techniques of varied magnitude and complexity are applied to ensure data confidentiality. Cryptology is one of the sub-areas of Network or Cyber Security.

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What is Cryptography?