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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Symmetric key Cryptography
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Asymmetric key Cryptography
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Hashing Cryptography
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Caesar Cipher
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Detailed explanation-1: -Modern cryptography relies on cryptographic keys, usually a short string of text, for encoding and decoding messages in combination with cryptographic algorithms. Based on the type of keys used, cryptography is classified as either symmetric or asymmetric key cryptography.
Detailed explanation-2: -Cryptographic techniques concern themselves with three basic purposes: Authentication Verifying the identity of a user or computer. Confidentiality Keeping the contents of the data secret. Integrity Ensuring that data doesn’t change between the time it leaves the source and the time it reaches its destination.
Detailed explanation-3: -Symmetric. The symmetric encryption method uses a single key both to encrypt and decrypt the data. Asymmetric. The second major encryption method is asymmetric encryption, also sometimes known as public key encryption. Hashing.
Detailed explanation-4: -Plaintext-This is the data that needs to be protected. Encryption algorithm-This is the mathematical algorithm that takes plaintext as the input and returns ciphertext. Ciphertext-This is the encrypted, or unreadable, version of the plaintext. More items