CRYPTOGRAPHY – THE SCIENCE OF SECURING THE DATA

WHAT IS CRYPTOGRAPHY ?

Cryptography is the process of hiding the information so that only the sender and the receiver knows the information. It uses the process of encoding and decoding to secure the information.

CONCEPTS IN CRYPTOGRAPHY

ENCRYPTION – The process of converting the plain text into cipher text using a secret key and an encryption algorithm is called encryption.

Plain text is the unencrypted data whereas cipher text is the encrypted data.

DECRYPTION -The process of converting the cipher text into plain text using a secret key and a decryption algorithm is called decryption.

APPLICATIONS

PROTECTING SENSITIVE COMPANY DATA – Only those with access rights can use the sensitive data like company’s intellectual property ,patents ,etc,..

SECURING EMAIL COMMUNICATIONS – Encrypt the email contents along with its attachments to protect it from unauthorized people.

DIGITAL SIGNATURES – It provides security for electronic documents and transactions which contain a digital sign in it.

ENCRYPTING DATABASES –  It is the process of protecting the database from cyberattacks. The part of the database which contains sensitive information like a patient’s history can be encrypted.