Given the following table describing the procedure for Alice to send a signed message with RSA signature to Bob, calculate the unknown entities and verify that Bob has received the correct message sent by Alice. Alice Bob Public key (n,e) =(85,7); Private key (n,d)=(85,55) Send Public key (n,e ) to Bob: Receives Alice’s public key (n,e): Message to be sent is m=7 Computes signatures s for m = md mod n = Send (m,s) to Bob Receives (m,s) Compute m’ : se mod n = Verify if m=m’
Given the following table describing the procedure for Alice to send a signed message with RSA signature to Bob, calculate the unknown entities and verify that Bob has received the correct message sent by Alice. Alice Bob Public key (n,e) =(85,7); Private key (n,d)=(85,55) Send Public key (n,e ) to Bob: Receives Alice’s public key (n,e): Message to be sent is m=7 Computes signatures s for m = md mod n = Send (m,s) to Bob Receives (m,s) Compute m’ : se mod n = Verify if m=m’
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Given the following table describing the procedure for Alice to send a signed message with RSA signature to Bob, calculate the unknown entities and verify that Bob has received the correct message sent by Alice.
Alice |
Bob |
Public key (n,e) =(85,7); Private key (n,d)=(85,55) |
|
Send Public key (n,e ) to Bob: |
Receives Alice’s public key (n,e): |
Message to be sent is m=7 |
|
Computes signatures s for m = md mod n = |
|
Send (m,s) to Bob |
Receives (m,s) |
|
Compute m’ : se mod n = |
|
Verify if m=m’ |
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