Cryptography pdf

1. What do you mean by cryptography PDF?
2. What are the types of cryptography?
3. What are the basic concepts of cryptography?
4. What is cryptography notes?

What do you mean by cryptography PDF?

Cryptography is the science of using mathematics to encrypt and decrypt data.

What are the types of cryptography?

Cryptography can be broken down into three different types:

• Secret Key Cryptography.
• Public Key Cryptography.
• Hash Functions.

What are the basic concepts of cryptography?

Cryptographic techniques are used to encrypt (scramble) messages before the messages are stored or transmitted. Data encryption transforms plaintext into ciphertext. The data to be encrypted can be ASCII text, a database file, or any other data.

What is cryptography notes?

Cryptography is a technique to provide message confidentiality. ... It is an art and science of transforming messages so as to make them secure and immune to attacks. • Cryptography involves the process of encryption and decryption.