Encrypt the message " HALT " by translating the letters into numbers (via A=0,B=1,C=2,D=3,E=4,F=5,G=6,H=7,I=8,A=0,B=1,C=2,D=3,E=4,F=5,G=6,H=7,I=8, J=9,K=10,L=11,M=12,N=13,O=14,P=15,Q=16,R=17,J=9,K=10,L=11,M=12,N=13,O=14,P=15,Q=16,R=17, S=18,T=19,U=20,V=21,W=22,X=23,Y=24,Z=25S=18,T=19,U=20,V=21,W=22,X=23,Y=24,Z=25 ) and then applying the encryption function given, and then translating the numbers back into letters. (a) f(p)=(p+4) mod 26 _____ (b) f(p)=(p+10) mod 26 ____ (c) f(p)=(p+7) mod 26 _____
Encrypt the message " HALT " by translating the letters into numbers (via A=0,B=1,C=2,D=3,E=4,F=5,G=6,H=7,I=8,A=0,B=1,C=2,D=3,E=4,F=5,G=6,H=7,I=8, J=9,K=10,L=11,M=12,N=13,O=14,P=15,Q=16,R=17,J=9,K=10,L=11,M=12,N=13,O=14,P=15,Q=16,R=17, S=18,T=19,U=20,V=21,W=22,X=23,Y=24,Z=25S=18,T=19,U=20,V=21,W=22,X=23,Y=24,Z=25 ) and then applying the encryption function given, and then translating the numbers back into letters. (a) f(p)=(p+4) mod 26 _____ (b) f(p)=(p+10) mod 26 ____ (c) f(p)=(p+7) mod 26 _____
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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Encrypt the message " HALT " by translating the letters into numbers
(via A=0,B=1,C=2,D=3,E=4,F=5,G=6,H=7,I=8,A=0,B=1,C=2,D=3,E=4,F=5,G=6,H=7,I=8,
J=9,K=10,L=11,M=12,N=13,O=14,P=15,Q=16,R=17,J=9,K=10,L=11,M=12,N=13,O=14,P=15,Q=16,R=17,
S=18,T=19,U=20,V=21,W=22,X=23,Y=24,Z=25S=18,T=19,U=20,V=21,W=22,X=23,Y=24,Z=25 )
and then applying the encryption function given, and then translating the numbers back into letters.
(a) f(p)=(p+4) mod 26 _____
(b) f(p)=(p+10) mod 26 ____
(c) f(p)=(p+7) mod 26 _____
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