Cryptographic Technique

Cryptographic technique refers to the methods and algorithms used to secure communication and protect data from unauthorized access or modification. It involves the use of mathematical functions and algorithms to transform plaintext into ciphertext, which can only be decrypted with a secret key. Cryptographic techniques are used in various applications such as secure communication, digital signatures, and data encryption. The two main types of cryptographic techniques are symmetric-key cryptography and public-key cryptography. Symmetric-key cryptography uses the same key for encryption and decryption, while public-key cryptography uses a pair of keys, one for encryption and one for decryption. Cryptographic techniques are essential in ensuring the confidentiality, integrity, and authenticity of data in various fields such as finance, healthcare, and government.
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