Ahmed and one of his close friend, Ali, used to send e-mail using public and private key encryption. He can send e-mail to Ali using the following two methods: He encrypts an e-mail with Ali’s public key and decrypts it with his own private key. He encrypts an e-mail with his own private key and Ali decrypts it with his public key. In fact, anyone can have Ahmed’s public key and hence can read the e-mail sent out by Him through second method. Why he might still want to use second method
Ahmed and one of his close friend, Ali, used to send e-mail using public and private key encryption. He can send e-mail to Ali using the following two methods: He encrypts an e-mail with Ali’s public key and decrypts it with his own private key. He encrypts an e-mail with his own private key and Ali decrypts it with his public key. In fact, anyone can have Ahmed’s public key and hence can read the e-mail sent out by Him through second method. Why he might still want to use second method
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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Ahmed and one of his close friend, Ali, used to send e-mail using public and private key encryption. He can send e-mail to Ali using the following two methods:
He encrypts an e-mail with Ali’s public key and decrypts it with his own private key.
He encrypts an e-mail with his own private key and Ali decrypts it with his public key.
In fact, anyone can have Ahmed’s public key and hence can read the e-mail sent out by Him through second method. Why he might still want to use second method
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