What is cryptography?

Cryptography is a field of information security that focuses on protecting sensitive data and

secret messages by making them unreadable to anyone who is not authorized to access

them. It uses mathematical techniques to transform data into a format that can only be

understood by those who have the necessary decryption keys.

Its purpose

The purpose of cryptography is to ensure the confidentiality, integrity, and authenticity of data

in transit or in storage.

Its use

It is used in many areas such as online communications security, financial transactions,

protection of personal data, management of digital identity, computer system security,

protection of intellectual property and trade secrets, and many more.

Its importance

In summary, cryptography is an essential tool for protecting sensitive and confidential

information in our connected world, where security and privacy have become major

concerns.