"This video on What Is Cryptography? will acquaint you with cryptography. Here, you will look into an introduction to cryptography, the importance of cryptography, applications of cryptography, and various methods to employ cryptography in the real world. So, let us begin this cryptography tutorial!

The topics covered in this video on What Is Cryptography? are:

• 00:00:00 Why Is Cryptography Needed?
• 00:02:15 What Is Cryptography
• 00:04:20 Applications of Cryptography
• 00:05:02 Categories in Cryptography
• 00:10:50 Historical Significance
• 00:12:02 Demo on Cryptography

Cryptography is both art and science referred almost exclusively to encryption, which is the process of converting ordinary information (called plaintext) into unintelligible gibberish (called ciphertext). We can also say that Cryptography is about communication in the presence of an adversary. Cryptography guarantees basic security services authorization, authentication, integrity, confidentiality, and non-repudiation in all communications and data exchanges in the new information society.

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