Q. Data Encryption Standard (DES), was designed by

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Q. In Asymmetric-Key Cryptography, although RSA can be used to encrypt and decrypt actual messages, it is very slow if the message is

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Q. In symmetric key cryptography, the key used by the sender and the receiver is

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Q. The ciphers of today are called

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Q. In Rotation Cipher, keyless rotation the number of rotations is

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Q. In symmetric-key cryptography, the same key is used by

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Q. In symmetric-key cryptography, the key locks and unlocks the box is

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Q. The keys used in cryptography are

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Q. The ciphers of today are called round ciphers because they involve

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Q. Symmetric-key cryptography started thousands of years ago when people needed to exchange

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Q. The relationship between a character in the plaintext to a character is

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Q. Cryptography, a word with Greek origins, means

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Q. A transposition cipher reorders (permutes) symbols in a

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Q. The cipher feedback (CFB) mode was created for those situations in which we need to send or receive r bits of

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Q. In Cryptography, when text is treated at the bit level, each character is replaced by

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Q. The Advanced Encryption Standard (AES) was designed

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Q. ECB stands for

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Q. The cipher which uses the exclusive-or operation as defined in computer science is called

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Q. The Cryptography can provide

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Q. The shift cipheris sometimes referred to as the

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