COMPUTER ETHICS AND SECURITY
CRYPTOGRAPHY AND ENCRYPTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cryptosystem
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Cryptography
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Decryption
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None of the above
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Detailed explanation-1: -A cryptosystem is pair of algorithms that take a key and convert plaintext to ciphertext and back.
Detailed explanation-2: -Cryptographic Ciphers. A cipher is a pair of algorithms that use encryption and decryption. One algorithm encrypts data by applying the key to plaintext, and the second algorithm decrypts the data by applying a key to ciphertext.
Detailed explanation-3: -Cryptographic ciphers are used to convert ciphertext to plaintext and back. With symmetric key algorithms, the same key is used for the encryption and decryption of data. Asymmetric key algorithms use public keys and private keys to encrypt and decrypt data.
Detailed explanation-4: -A cryptographic system takes plaintext as input and produces ciphertext as the result. In cryptography, algorithms convert ciphertext into plaintext and vice versa.
Detailed explanation-5: -encryption – the process of converting plaintext to ciphertext (occasionally you may see it called ‘encipherment’) decryption – the process of reverting ciphertext to plaintext (occasionally ‘decipherment’).