Based on the previous question (UNIX passwords are derived by encrypting a public salt 1000 times with the password). Assume that passwords are limited to the use of the 52 English letters (both lower and upper cases) and that all passwords are 6 characters in length. Assume a password cracker capable of doing 6 million encryptions per second. How long will it take to crack a password with brute-force on a UNIX system, on average? (answer is an integer, the unit must be in seconds)

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Question 20
Based on the previous question (UNIX passwords are derived by encrypting a public
salt 1000 times with the password). Assume that passwords are limited to the use of
the 52 English letters (both lower and upper cases) and that all passwords are 6
characters in length. Assume a password cracker capable of doing 6 million
encryptions per second. How long will it take to crack a password with brute-force
on a UNIX system, on average? (answer is an integer, the unit must be in seconds)
Your Answer:
Answer
Transcribed Image Text:Question 20 Based on the previous question (UNIX passwords are derived by encrypting a public salt 1000 times with the password). Assume that passwords are limited to the use of the 52 English letters (both lower and upper cases) and that all passwords are 6 characters in length. Assume a password cracker capable of doing 6 million encryptions per second. How long will it take to crack a password with brute-force on a UNIX system, on average? (answer is an integer, the unit must be in seconds) Your Answer: Answer
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