Radix-64-Handout-4-19-10 - 73 75 72 Bit pattern 0 1 1 1 0 0...

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CIS 3360 Handout on conversion from ASCII to Radix64 ASCII Table: Radix 64 Table 6-bit  valu e Charact er  Encodin g 6-bit  valu e Charact er  Encodin g 6-bit  valu e Charact er  Encodin g 6-bit  valu e Charact er  Encodin g 0 A 16 Q 32 g 48 W 1 B 17 R 33 h 49 X 2 C 18 S 34 i 50 Y 3 D 19 T 35 j 51 Z 4 E 20 U 36 k 52 0 5 F 21 V 37 l 53 1 6 G 22 W 38 m 54 2 7 H 23 X 39 n 55 3 8 I 24 Y 40 o 56 4 9 J 25 Z 41 p 57 5 10 K 26 a 42 q 58 6 11 L 27 b 43 r 59 7 12 M 28 c 44 s 60 8 13 N 29 d 45 t 61 9 14 O 30 e 46 u 62 + 15 P 31 f 47 v 63 /
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            (pad ) = Examples The ASCII code of   Man    is converted in Radix 64. Use ASCII Table to find the hexadecimal value. Consider six bits at a time. Use Radix 64 table  to find the character.  Result is : TWFu Text content M a N ASCII Hex 4D 61 6E ASCII Decimal (for information) 77 97 110 Bit pattern 0 1 0 0 1 1 0 1 0 1 1 0 0 0 0 1 0 1 1 0 1 1 1 0 Index 19 22 5 46 Radix64-Encoded T W F U
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Now consider          sure Text content s u R ASCII Hex
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Unformatted text preview: 73 75 72 Bit pattern 0 1 1 1 0 0 1 1 0 1 1 1 0 1 0 1 0 1 1 1 0 0 1 0 Index 28 55 21 50 Radix64-Encoded c 3 V Y Text content e Pad Pad ASCII Hex 65 Bit pattern 0 1 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Index 25 16 Pad Pad Radix64-Encoded Z Q = = Result is: c3VyZQ== Now consider sure. Text content s u r ASCII Hex 73 75 72 Bit pattern 0 1 1 1 0 0 1 1 0 1 1 1 0 1 0 1 0 1 1 1 0 0 1 0 Index 28 55 21 50 Radix64-Encoded c 3 V y Text content e . Pad ASCII Hex 65 2E Bit pattern 0 1 1 0 0 1 0 1 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 Index 25 18 56 Pad Radix64-Encoded Z S 4 = Result is : c3VyZS4=...
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This note was uploaded on 10/05/2010 for the course CIS CIS 3360 taught by Professor Guha during the Spring '10 term at University of Central Florida.

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Radix-64-Handout-4-19-10 - 73 75 72 Bit pattern 0 1 1 1 0 0...

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