please write your answer under question. thanks Encode and Decode a messageUsing Modular 26. Encode and Decode the message using the key "LONG PASSWORD":USE MULTIPLE ALPHABETSP:K: LONG PASSWORDUse ALL the key characters: LONGPASSWORDENCODEDECODEP: U S E M U L T T P L E A L PP:K:P+K:EBOOXOXEAmod26C:C:KC-K:od26P:Modular Note (Excel Function):=mod(value.divisor)H A BET S=mod(17,26) = 17 => R: corresponds to 17/26= 0 remainder 17 => 17 = 17 mod 26=mod(43,26) = 17 => R: corresponds to 43/26 = 1 remainder 17 => 17 = 43 mod 26 => 43 = 17 (mod26)=mod(-9,26) = 17 => R: corresponds to 26-9 = 17Python Function:17%26 = 1743%26 = 17-9%26 = 170 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25ABCDEFGHIJ K L M N OP Q R 8 I U V W X Y Z 12345S216789101112131415161718192021222324252627282930313233A B4▶CD01A B COA A B C1B B C D E2C C D E FF FG H I18 S19 TJK2 3DD EFG3D D E F GHI4E E F GHIJ5F F G HI JK6 GGHIJK L7H H I JK L M81 I J K LM N9J10 K11 L12 MX✓ fx=IF(R21="Z","A",CHAR(CODE(R21)+1))J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF AG AH AI AJ AK AL AVigenére CipherL M N OM N4 5 6EFGG HIJPO P Q13 N N O P Q R140 O P Q15 PP Q R16 Q17 RQ R SR S TFG HHIK L M N O P Q RL M N OP QR SSR S TST20 U21 V V W X Y22 W W X Y Z23 X X Y Z AQ RR SS TT U V W X Y7HTU V W X YU V W X YU V W X Y ZZ AJKLK LL M24 YY Z AB C25 Z Z A B C DL M NMN ON O PO P QTU VUV WU V W XU V W X YZ8IIJKS TTUZZ AA BB CA B C DB C DABCDEE FD E FGE F G HVigenére Example910 11 12 13 14JKLM NOJ K LM N OK LMNOPL MN OP QM N ON OPO PQP Q RQ RSR STS TT UW XX YY ZZ AABU V W X YV WXYZB CCDDEFGEFGHH II JUV WV W XYZABCDEFGP QQRHIRSSTTUU V+ZABCDEFGHIJJKK LABCDEFGHIJKRSZA15 16 17 18PQ RSX YYZPQRGHSTIJBCC DDEKLE FF GTUVU V W X YV W XYZW XYZAABHIQ RRSSTJKTUZABCDEFGHUVIJABCDEFGW X YZABHIJKSTKLL MULMM N OBCV W XW XYDEFGH19TTUVMNN OCDIJJ KL MN OP QM N O P Q REFKLL MGHI20UP QUVW X:ZABCDEFGHIJN OOMNP QR21 22 23 24 25V W XY ZV W XW XYYZR SSTYZ◄ABCDEFGHIJKZABCDERSFGTUHIABGHSTYZACDDEE FFGIJUVBCKL M N O PL M N O P QN O P Q ROP Q R SP Q R S THIZABCDEFGHJK L MKL M NL M N OP Q R S TUIJJKK LT UVU V WV W XW X Y123G745678910ABс DEP:SFNDP:18 4133K:Z EV 0K:25 4P+K: 43 8mod26 17C: RC:K:C-K:11 mod2612 P:1314151617181920212223242526272829303140A0▶8I17 825 4-84184SE21 14348I8FL11N0Z13 2517 24 2517 24 25R Y Z17 24 251325110X2114-13 313 3NDfx=@INDEX($A$15:$Z$15,1,G$6+1)G H I J K L MNOP QRST U V W X Y ZA W Y ER SGUNSAND MON E Y22 24 4 17 18 6 20 13 18 0 13 3 12 14 13 4 24E V ONZE VON ZEV ONZE V4 21 14 13 25 4 21 14 13 25 4 21 14 13 25 4 2126 45 18 30 43 10 41 27 31 25 17 24 26 27 38 8 4525 17 24 0 1 12 8 19ZRYA B MI T25 17 24 0 1 12 8 1913 25 4 2119 18 4 17 10 15 10AT195SERK PB F18 4 17 10 15 1 5042114 13 25421 14 1325 4 21 14-4 -24 -9 -8-6 -13 -813 3 -14 -12 -13 4 -200 13 3 12 14 13 4 244171820 13 18RSUN SA ND M 0 N E Y11L0 22 24AWYEVigenére Example66G1234567891011 12 13 141516 17 18 19F G H | J K L M N O P Q R SBс D ET-25 -24 -23 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -720U-621V-522 23 24 25W X Y Z-4 -3 -2 -1AAENCODEDECODEAB

Encode and Decode a message Using Modular 26. Encode and Decode the message using the key "LONG PASSWORD": P: USE MULTIPLE ALPHABETS K: LONG PASSWORD Use ALL the key characters: LONGPASSWORD P: US EMULTIP LEA L P HAB ET ENCODE àxE8ÖZÖZE P: DECODE K: P+ K: m od 26 C: C: K: C- K: m od 26 P: Modular Note (Excel Function): =mod(value.divisor) S =mod(17.26) = 17 => R: corresponds to 17/26= 0 remainder 17 => 17 = 17 mod 26 =mod(43,26) = 17 => R: corresponds to 43/26 = 1 remainder 17 => 17 = 43 mod 28 => 43 = 17 (mod26) =mod(-9.26) = 17 => R: corresponds to 26-9 = 17 Python Function: 17%26 = 17 43%26 = 17 -9%26 = 17

Encode and Decode a message Using Modular 26. Encode and Decode the message using the key "LONG PASSWORD": P: USE MULTIPLE ALPHABETS K: LONG PASSWORD Use ALL the key characters: LONGPASSWORD P: US EMULTIP LEA L P HAB ET ENCODE àxE8ÖZÖZE P: DECODE K: P+ K: m od 26 C: C: K: C- K: m od 26 P: Modular Note (Excel Function): =mod(value.divisor) S =mod(17.26) = 17 => R: corresponds to 17/26= 0 remainder 17 => 17 = 17 mod 26 =mod(43,26) = 17 => R: corresponds to 43/26 = 1 remainder 17 => 17 = 43 mod 28 => 43 = 17 (mod26) =mod(-9.26) = 17 => R: corresponds to 26-9 = 17 Python Function: 17%26 = 17 43%26 = 17 -9%26 = 17

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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