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2 years ago

SHA-1 produces a(n) ___________-bit message digest, which can then be used as an input to a digital signature algorithm.

1 answer:

7 0

SHA-1 produces a(n) 160-bit message digest, which can then be used as an input to a digital signature algorithm.

Secure Hash Algorithm 1 or SHA 1 is a function which take the input value. In the result, it produces the hash value of 20 byte.

As there is 8 bit in 1 byte. Thus, the number of bits in 20 byte are,

$n=20\times8\\n=160\rm\; bits$

Hence, it produces 160 bit of hash value, which is known as the massage digest.

Thus, SHA-1 produces a(n) 160-bit message digest, which can then be used as an input to a digital signature algorithm.

Learn more about the SHA-1 here;

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You began a small mobile app company. To help market your apps, you create a social media site. The site allows users to join co

dem82 [27]

Answer: shared

Explanation:

Shared media simply refers to the contents that a particular brand posts to social media platforms.

In such cases, the site gives room for the users to join conversations regarding the post being shared by the brand. It is typically cost effective and used by several organizations.

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2 years ago

Write a recursive function is_pow2(n) that returns True if the positive integer n is an integer power of 2, and False otherwise.

bezimeni [28]

Answer:

In Python:

def is_power(n):

if n > 2:

n = n/2

return is_power(n)

elif n == 2:

return True

else:

return False

Explanation:

This defines the function

def is_power(n):

If n is greater than 0

if n > 2:

Divide n by 2

n = n/2

Call the function

return is_power(n)

If n equals 2

elif n == 2:

Return True

return True

If n is less than 2

else:

Then, return false

return False

8 0

3 years ago

Given two Strings String s1 = "11223351638791377189728193"; String s2 = "983763978669976862724569282405742578"; and String varia

inn [45]

Answer:

import java.math.BigInteger;

public class Main {

public static void main(String[] args) {

String s1 = "11223351638791377189728193"; String s2 = "983763978669976862724569282405742578";

BigInteger num1 = new BigInteger(s1);

BigInteger num2 = new BigInteger(s2);

BigInteger product = num1.multiply(num2);

String s3 = product.toString(10);

System.out.println(s3);

}

Explanation:

Because s1 and s2 contain large integers, the program need the biginteger module in other to compute the products of s1 and s2 when converted to integers.

This line initializes the two string variables s1 and s2

String s1 = "11223351638791377189728193"; String s2 = "983763978669976862724569282405742578";

The next two lines convert the two strings to BigInteger. This allows the program to multiply large integers

<em> BigInteger a = new BigInteger(s1); </em>

<em>BigInteger b = new BigInteger(s2); </em>

<em />

This computes the product of the two big integers

BigInteger product = num1.multiply(num2);

This converts the product to String s3

String s3 = product.toString(10);

This prints s3

System.out.println(s3);

}

7 0

3 years ago

What is the correct process for selecting an entire row in a spreadsheet?

Valentin [98]

A. Click on any cell in the row

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3 years ago

BITS wants to store information about the supervisors, including their supervisor number and the relationship to consultants. Su

Olin [163]

Answer:

Convert the table into normalize form

Explanation:

Un normalized relation of the given schedule is as

Consultant ( ConsultNum, Last Name, First Name, Street, City, ZipCode

HoursRate (SupervisorNum, Supervisor Num)

(Tasks, Description, Catagory, Price, SupervisorNum))

According to these functional dependencies :

SupervisorNum is dependencies of the SupervisiorNum

ConsltNum is dependencies of the Last Name, First Name, Street, City, ZipCode, Hours, Rate

Tasks are dependencies of Description, Category, Price

The consultant table is not in a normalized form as it contains repeating groups. Make composite keys such as Supervisor Num, Tasks and ConsltNum and convert the table in NF by removing repeating groups

Such as table in NF

Consultant

(Consult Num, Last Name, First Name, Street, City, Zip Code, Hours, Rate

Supervisor Num, Supervisor Name, Tasks, Description, Category, Price)

5 0

2 years ago