C1 Cryptography & Encryption

Front

This term is derived from the Greek word kryptos, meaning hidden or secret.

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Encryption

Front

This person develops strong solutions to provide data security.

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Cryptographer

Front

Name for when both peers agree that the other is who they claim to be.

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Mutual authentication

Front

When physics is used instead of mathematics in a cipher process, it is called what?

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Quantum cryptology

Front

This type of cipher mixes a number of ciphertext alphabets in the cryptogram so each plain letter text is continuously changed.

Back

Polyalphabetic substitution cipher

Front

This type of encryption uses a single, pre-shared key to encrypt and decrypt data.

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Symmetric encryption

Front

The combination of symmetric and asymmetric encryption that is used to keep Internet banking and e-commerce transactions secure is called this.

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Hybrid encryption

Front

One of the earliest recorded ciphers is

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Atbash

Front

This is an example of a stream cipher.

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Rivest/RC4

Front

This method of hiding data involves shrinking an image to the size of a period.

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Microdot