Q. Cryptography can be divided into ______ types.

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Q. Data which is easily readable & understandable without any special algorithm or method is called _________________

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Q. Plain text are also called _____________

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Q. There are ________ types of cryptographic techniques used in general.

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Q. Conventional cryptography is also known as _____________ or symmetric-key encryption.

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Q. Data Encryption Standard is an example of a _____________ cryptosystem.

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Q. _______________ cryptography deals with traditional characters, i.e., letters & digits directly.

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Q. ____________ cryptography operates on binary-bit series and strings.

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Q. __________ cryptography has always been focussing on the concept of ‘security through obscurity’.

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Q. ________________ cryptography is based on publicly known mathematically designed algorithms to encrypt the information.

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Q. _____________________ is the art & science of cracking the cipher-text without knowing the key.

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Q. The process of disguising plaintext in such a way that its substance gets hidden (into what is known as cipher-text) is called _________________

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Q. The method of reverting the encrypted text which is known as cipher text to its original form i.e. plain text is known as ________________

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Q. Which of the following is not the primary objective of cryptography?

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Q. Cryptography offers a set of required security services. Which of the following is not among that 4 required security services?

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Q. A cryptosystem is also termed as ______________

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Q. ______________ is the mathematical procedure or algorithm which produces a cipher-text for any specified plaintext.

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Q. _______________ takes the plain text and the key as input for creating cipher-text.

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Q. ____________________ is a mathematical algorithm that produces a unique plain text for a given cipher text along with a decryption key.

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Q. A set of all probable decryption keys are collectively termed as ____________

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