After having done numerous posts on Information security, here is another basic and elementary concept in Information security – ‘Cryptography’. The concept of Cryptography also encloses encryption and decryption.
Like any other subject, the field of Cryptography is another massive ocean of information. It is the technique of hiding information to bolster secure communication. Cryptographic techniques are an absolute necessity in this digital age where any information can be snooped on. These are a few basic concepts related to Cryptography: