What is cryptography ? how it is helpful in computer security ?
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Cryptography is essential to many models of cyber security. ... Open standards help ensurecryptography is secure. Symmetric encryption is a method of encryption involving the same key for both encryption and decryption.
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Cryptography is the study of secure communications techniques that allow only the sender and intended recipient of a message to view its contents. When transmitting electronic data, the most common use of cryptography is to encrypt and decrypt email and other plain-text messages.
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