What is cryptography?

What is cryptography?

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Cryptography is a technique of encrypting and decrypting messages. When the text is encrypted, it is unreadable by humans. When the text is decrypted, it is readable by the humans. The terms used in cryptography are as follows:

• Plaintext: This text can be read by a user.
• Ciphertext: This text can be converted to a non-readable format.
• Encryption: It is the process of creating a ciphertext from a plaintext.
• Decryption: It is the process of converting a ciphertext to a plaintext.
• Cipher: It is an algorithm that is used to encrypt and decrypt text.
• Key: Keys are the elements that are used in the technology of encrypting and decrypting text.

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