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What is Public Key Cryptography?
Public-key cryptography is a type of modern cryptography that allows users to communicate safely without any previously agreeing on a shared secret key. A number of important practical difficulties are there in this approach to distributing keys.
Public-key cryptography was invented to address such drawbacks, along with public key cryptography; users can communicate along with safety over an insecure channel without containing to agree on a key beforehand.
Public-key algorithms classically use a pair of two associated keys, one key is private and should be kept secret, when the other is made public and can be broadly distributed; this should not be probable to deduce one key of a pair specified the other.
What is reduction? A reduction is a way of changing one problem into another in such a way that a solution to the second problem can be used to explain the first problem.
What is model? A universe together with an assignment of relations to relation symbol is known as a model. A model M is a tuple (U, P1, P2..Pk), where U is the universe and P
The number of control lines for 32 to 1 multiplexer is ? Ans. For 32 (2 5 ) the number of control lines and to select one i/p between them total 5 select lines are needed.
Subtraction 11011-11001 using 2's complement. Ans. 11011 - 11001 = A - B 2's complement of B = 00111 1 1 0 1 1 + 0 0 1 1 1 1 0 0 0 1 0 Ignore carry to get answer as 00010 = 2.
Applications Of Parallel Processing Parallel computing is an development of serial computing that effort to emulate what has always been the affirm of affairs in the natural wo
Q. Explain Processing of an Interrupt? The interrupt is processed as: Step 1: Number field in INT instruction is multiplied by 4 to get its entry in interrupt vector table.
why we say OS is a resource allocator and control program
Q. Convert the following DECIMAL numbers into OCTAL, double check by converting the result OCTAL to DECIMAL. a) 932 b) 4429.625 c) 19
How can non-repudiation be achieved into designing e-cash based system? E-cash is fundamentally an online solution. The buyer should validate the coins by the issuer so as to g
What is a shift register? Can a shift register be used as a counter? If yes, explain how? Ans: Shift Register: A register wherein data gets shifted towards left or right
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