Fill in the blanks below with the appropriate vocabulary word. (a) _____ is the

Question

Fill in the blanks below with the appropriate vocabulary word. (a) _____ is the science of communication between two parties which is secure in the presence of adversaries. (b) _____ is the science of breaking ciphertexts. (c) _____ is the property that the sender of a message cannt later falsely claim to have not sent it. (d) _____ is a property which states that the receiver of an encrypted message should be able to accurately determine its origin. (e) _____ is the property that the receiver of a message should be able to verify that it has not been modified after being sent.

Explanation / Answer

A.)

Cryptography /Cryptology is the science of communication between two parties which is secure in the presence of adversaries.

As cryptography used protocol by constructing and analysing them which prevent third parties from reading private messages. It provides confidentiality, data integrity, authentication and non-repudition.

B.)

Cryptanalysis is the science of breaking ciphertext .

This analyse the information system for hidden aspect of system. It gain access to encrypted messages. It break the cipher text which is used for transmission or storage in cryptographic process

C.)

Non-repudiation is the property that the sender of a message can’t later falsely claim to have not sent it.

In digital security ,it ensure that the transferred message has been sent and received by the parties claiming to have sent and received the message. It guarantee that the sender of a message can’t later deny having sent the message and that the recipient can’t deny having received the message.

D.) Authentication is a property which states that the receiver of an encrypted message should be able to accurately determine its origin.

E.) Integrity is the property that the receiver of a message should be able to verify that it has not been modified after being sent.

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