Question: Prove that if G is a secure PRG , then so is the function H ( s ) = G ( not ( s )

Prove that if G is a secure PRG, then so is the function H(s)= G(not(s)).

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

Exercise 2-19 (Algo) Record transactions, post to T-accounts, and prepare a trial balance (LO2-4, 2-5, 2-6) Green Wave Company plans to own and operate a storage rental facility. For the first month...

Q:

Pseudorandom Generators Prove that if G is a secure PRG, then so is the function H(s) = G(s).

Q:

Prove that if G is a secure PRG , then so is the function H ( s ) = G ( s ) .

Q:

Bad Proof. We want to prove that if G ( ) is a secure PRG , then is a secure encryp - tion scheme under the EAV security definition. We will do a proof by contradiction so we first state the...

Q:

2. Let G: K K2 be a secure PRG. Define 1-bit PRF F: K {0,1} K as F(k, x{0,1} ) = G(k)[x] Prove that if G is a secure PRG then F is a secure PRF

Q:

Let G be a secure PRG, and (E, D) a cipher. In each of the following, either prove that the PRG or cipher is secure, or show how to break it. a. Is G'(k) = G(k)||G(k) a secure PRG? Here, "Il" denotes...

Q:

In this section, we will examine the GGM (Goldreich, Goldwasser, Micali) construction of a PRF assuming we have a PRG G:{0,1}n{0,1}2n which is "length doubling". For a length doubling PRG G, and...

Q:

In this section, we will examine the GGM (Goldreich, Goldwasser, Micali) construction of a PRF assuming we have a|PRG G:{0,1}n{0,1}2n which is "length doubling". For a length doubling PRG G, and...

Q:

In practice, a common use of SHA 3 is to assume that it is a PRG . Let s consider { 0 , 1 } 1 2 8 as the input domain and { 0 , 1 } 2 5 6 as the output domain of to SHA 3 - 2 5 6 , as the following...

Q:

Q4: Suppose H is a well-designed pseudorandom generator, now we want to take a larger input y y1||42, (y1 is the first half of y and y2 is the second half). We define G(y) = H(y) || H(y)H(y2) ||...

Q:

Q4: Suppose H is a well-designed pseudorandom generator, now we want to take a larger input y y1||42, (y1 is the first half of y and y2 is the second half). We define G(y) = H(y) || H(y)H(y2) ||...

Q:

An unknown resistor is connected between the terminals of a 3.00 V battery. Energy is dissipated in the resistor at the rate of 0.540 W. The same resistor is then connected between the terminals of a...

Q:

When an audit team does not receive a response on a positive accounts receivable confirmation, auditors should do all of the following except a. Send a second request. b. Do nothing for immaterial...

Q:

2. What is the name of network architecture that was developed by IBM ? A SNA B DECNET C XNS D Novell

Q:

Which of the following is true for an investment that has interest calculated over a period of time? compound interest will be = to simple interest compound interest will = simple interest to the...

Q:

=+j Develop a global mindset, global competencies, and global leadership in the international organization.

Q:

=+Who should deliver training in the foreign subsidiaries and joint ventures?

Q:

=+2 What are the human resource implications of these new ways of working?