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ÊǵÚ2¶Î×¢²áÂë¡£ ¶þ¡¢¾ÙÀý˵Ã÷£º ÎÒÊäÈëµÄ×¢²áÃûÊÇchinese£¬Ëü¶ÔÓ¦µÄAsciiÈçÏ¡£ ×Ö ·û: c h i n e s e Ascii: 63 68 69 6e 65 73 65 Óë80 40 20 10 08 04 02 ½øÐÐÒì»ò¼ÆËã (63 xor 80)+(68 xor 40)+(69 xor 20)+(6e xor 10)+(65 xor 08)+(73 xor 04)+(65xor 02)= e3+28+49+7e+6d+77+67=31D 31D IDIV 64 =61 61ת»»³ÉÊ®½øÖÆΪ97¡£ <<--µÚ2¶Î×¢²áÂë 015F:004031EA TEST ESI,ESI 015F:004031EC JNZ 004031EF 015F:004031EE INC ESI 015F:004031EF PUSH DWORD 0042FCBC 015F:004031F4 CALL 0042A088 015F:004031F9 POP ECX 015F:004031FA CMP ESI,EAX ±È½Ï×¢²áÂë¡£ 015F:004031FC JZ 00403203 ²»ÏàµÈ£¬¾ÍÌø¡£ 015F:004031FE XOR EAX,EAX 015F:00403200 MOV [EBP-04],EAX 015F:00403203 CMP DWORD [EBP-04],BYTE +00 015F:00403207 JZ NEAR 0040328E 015F:0040320D XOR EDX,EDX 015F:0040320F MOV [EBP-08],EDX 015F:00403212 XOR ESI,ESI 015F:00403214 JMP SHORT 0040322F 015F:00403216 MOV AL,[ESI+0042FCB6] <<--| 11111 015F:0040321C MOV EDX,ESI | 015F:0040321E AND EDX,BYTE +07 | 015F:00403221 XOR AL,[EDX+0042E088] | 015F:00403227 XOR ECX,ECX | 015F:00403229 MOV CL,AL | 015F:0040322B ADD [EBP-08],ECX | 015F:0040322E INC ESI | 015F:0040322F CMP BYTE [ESI+0042FCB6],00 | 015F:00403236 JZ 0040323D | 015F:00403238 CMP ESI,BYTE +05 | 015F:0040323B JL 00403216 <<--| 015F:0040323D XOR ESI,ESI 015F:0040323F JMP SHORT 0040325A 015F:00403241 MOV AL,[ESI+0042FCBF] <<--| 015F:00403247 MOV EDX,ESI | 33333 015F:00403249 AND EDX,BYTE +07 | 015F:0040324C XOR AL,[EDX+0042E088] | 015F:00403252 XOR ECX,ECX | 015F:00403254 MOV CL,AL | 015F:00403256 ADD [EBP-08],ECX | 015F:00403259 INC ESI | 015F:0040325A CMP BYTE [ESI+0042FCBF],00 | 015F:00403261 JZ 00403268 | 015F:00403263 CMP ESI,BYTE +05 | 015F:00403266 JL 00403241 <<--| 015F:00403268 MOV EAX,[EBP-08] 015F:0040326B MOV ECX,64 015F:00403270 CDQ 015F:00403271 IDIV ECX 015F:00403273 MOV ESI,EDX ´Ë´¦µÄ¼ÆËã·½·¨»ù±¾Ïàͬ£¬²»Í¬µÄµØ·½ÊÇËüÊÇÓÃ×¢²áÂëµÄµÚ1¶Î(11111)ºÍµÚ3¶Î(33333)À´¼ÆËã¡£ Ò»¡¢Ëã·¨×ܽá: 1¡¢°ÑÄãÊäÈëµÄ×¢²áÂëµÚ1¶Î(11111)µÄÿ¸ö×Ö·û¶¼×ª³ÉÏàÓ¦µÄAsciiÂ룡 2¡¢È»ºó£¬ÓëÏà¶ÔÓ¦80 40 20 10 08 ½øÐÐÒì»ò¼ÆËã¡£ÔÙ½«¼ÆËãºóµÄÖµAÀÛ¼Ó¡£ 3¡¢°ÑÄãÊäÈëµÄ×¢²áÂëµÚ3¶Î(33333)µÄÿ¸ö×Ö·û¶¼×ª³ÉÏàÓ¦µÄAsciiÂ룡 4¡¢È»ºó£¬ÓëÏà¶ÔÓ¦80 40 20 10 08 ½øÐÐÒì»ò¼ÆËã¡£ÔÙ½«¼ÆËãºóµÄÖµBÀÛ¼Ó¡£ 5¡¢Ö±µ½×¢²áÂë¼ÆËãÍê±ÏµÄÖµBÓë64ÇóÓà¡£µÃµ½C.Õâ¾ÍÊÇÎÒÃÇÐèÒªµÄ×¢²áÂëC¡£ 6¡¢½«Cת»»³ÉÊ®½øÖÆÊý¾ÍÊÇ×¢²áÂ룬Õâ¾ÍÊÇÎÒÃÇÐèÒªµÄµÚ4¶Î×¢²áÂë¡£ ¼ÆË㹫ʽ£º ×¢:×¢²áÂëµÚ1¶Î(11111)µÄµÚһλÓÃa1À´´úÌ棬µÚ¶þλÓÃa2À´´úÌ棬µÚÈýλÓÃa3À´´úÌæ..... .£¬ÒÔ´ÎÀàÍÆ ×¢²áÂëµÚ3¶Î(33333)µÄµÚһλÓÃb1À´´úÌ棬µÚ¶þλÓÃb2À´´úÌ棬µÚÈýλÓÃb3À´´úÌæ...... £¬ÒÔ´ÎÀàÍÆ (a1 xor 80)+(a2 xor 40)+(a3 xor 20)+(a4 xor 10)+(a5 xor 08)=A A+(b1 xor 80)+(b2 xor 40)+(b3 xor 20)+(b4 xor 10)+(b5 xor 08)=B B IDIV 64=C ½«Cת»»³ÉÊ®½øÖÆÊý¾ÍÊÇ×¢²áÂë. ¶þ¡¢¾ÙÀý˵Ã÷£º ÎÒÊäÈëµÄ×¢²áÂëµÚ1¶ÎÊÇ11111¡¢µÚ2¶Î33333¡£ (31 xor 80)+(31 xor 40)+(31 xor 20)+(31 xor 10)+(31 xor 08)=B1+71+11+21+39=18D 18D+(33 xor 80)+(33 xor 40)+(33 xor 20)+(33 xor 10)+(33 xor 08)=18D+B3+73+13+23+3B=324 324 IDIV 64=04 04ת»»³ÉÊ®½øÖÆΪ04¡£<<--µÚ4¶Î×¢²áÂë¡£
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