Algo/Crypto about CTF

1. %6(#NIQ%T[RVQ
EOL

2. 1WVNKPG
ō ↬倚*+6%10蒶┑䥥䇵乸㾶
#NIQ⺧䮝⹙
%T[RVQ䥥⠰欭
ō ℜ茒䥥茭欭テ⑘
纑ㇰ嵿峡㋾惐脠茭㾶
2

3. 9JQ#O+
ō 㠜⪯ㄌ
ō 㨍⨀%5/CUVGT
ō ;GCTテ∽側洸
0;GCT蝜⻰⹊側洸
ō *56蛋䕊藮示⽅

4. %6(
ō %6(
%CRVWTG6JG(NCI
ō 9CTICOG
窸⇄䥥䨝簖
ō 䧏䥥
ō 㕟ⓛ墰⨉欭䧏ℎ䥥(NCI
傻⃫忞猻
ō 㕫≁䥥(NCI⬿┑䧏㳺䡗ℎ
䛟⬕㽛忞猻

5. 3WGUVKQP
ō 欭䧏欿⩬㉩⯻
ō 6TKXKCN/+5%萅䎛熲熲嵓䫆蓂䥥Ⅼ㎦
ō #NIQ#%/%T[RVQ)COG勤洸㹄屰纑ㇰ聚╼
ō 4GXGTUG'ZRNQKV勤洸虳㹄屰纑ㇰ聚╼
ō 4GEQP↛卪穀倃
ō GVEŎ

6. 45#*#
ET[RVQ

7. 45#*#
ET[RVQ
ō 蒋欭欭䧏假≁
ō 欭䧏痓䴒
ō 䧬菈≧惀45#竑梽
ō +2
ō 䛟虁㺖䠉⃮┑
蒌ㄙ竐祱(NCI茒惀5GTXGT茒
ō ⃡⋬2[VJQP䥥UCORNGEQFG
ō 甬㉸䧬⃬⃡珮▁⺧䇵乸㾶⛐聚⨉寂橃

8. 45#*#
ET[RVQ
ō 欭䧏假≁
ō 欭䧏痓䴒
ō 䧬菈≧惀45#竑梽
ō +2
ō 䛟虁㺖䠉⃮┑
蒌ㄙ竐祱(NCI茒惀5GTXGT茒
ō ⃡⋬2[VJQP䥥UCORNGEQFG
ō 甬㉸䧬⃬⃡珮▁⺧䇵乸㾶⛐聚⨉寂橃

9. 45#*#
ET[RVQ
ō 欭䧏假≁
ō 欭䧏痓䴒
ō 䧬菈≧惀45#竑梽
ō +2
ō 䛟虁㺖䠉⃮┑
蒌ㄙ竐祱(NCI茒惀5GTXGT茒
ō ⃡⋬2[VJQP䥥UCORNGEQFG
ō 甬㉸䧬⃬⃡珮▁⺧䇵乸㾶⛐聚⨉寂橃

10. 5CORNG%QFGGPET[RV
ō 伂⢏≧嶋
ō 虉筸㚱≼⑊⋬忋窛獌RS
ō 㣯㡨獌O
ō ▁⺧ℬ祱假≁獌
ō PR

11. S
ō
O@P
ō
O
@P

12. 䧬菈≧盪畘㉩伂⢏

13. $TWVG(QTEG
ō 汷␩⦿┑纑ㇰ䮝
ō 竑⃡⋬戙⑆䥥⚤窛獌DKVU
ō 欭䧏㧤悲4QWPF獌㺰㸂⭿▁DKVU
ō @ſ@ſ䥟␧
ō @ſ@
ℎ㡨⃮盪
ō 苭榽ㆇ獌1
@P

14. 盯㩽≁竑恦缡槜肭褕⑮≧勤㑏蒋㖼

15. 3WGUVKQP
ō ⦿┑欭䧏褕⠰欭⼒幫㓱茒茭ⓛ≧
ō )(
P⃬褕假≁O@惀
O
@褕㼣O
ō 蒋㤐ℎ㡨⢯
ō 蒋㤐窛⹙⠰欭

16. 3WGUVKQP
ō ⦿┑欭䧏褕⠰欭⼒幫㓱茒茭ⓛ≧
ō )(
P⃬褕假≁O@惀
O
@褕㼣O
ō 蒋㤐ℎ㡨⢯
ō 蒋㤐窛⹙⠰欭

17. 3WGUVKQP
ō ⦿┑欭䧏褕⠰欭⼒幫㓱茒茭ⓛ≧
ō )(
P⃬褕假≁O@惀
O
@褕㼣O
ō 蒋㤐ℎ㡨⢯
ō 蒋㤐窛⹙⠰欭

18. $CEMITQWPF
ō 涹ℎ窛⹙
聚Ⰱ茭欭褕∧㤐⃮䫆蓂䎛↡袂
ō ⧁ㇰⓧ茭
ō Ⰸ⹙窛⹙
䫆蓂⃡⹻茭䥥ⓛ≧䛧䠒
ō ⇄窛
莽沍⻰⹻䛧

19. 7PKXGTUKV[2CTV
ō )(
R)CNQKU(KGNF
ō 伂⢏≧嶋⼒㤐R
R㤐忋窛
ō )(
ſ=?
ō ⑘竑ↅ稰珮ⓧ蔥㉬
ō 莽沍⻰⹻䛧✫荋≁
ō ⨉)(
Rℎ褕⸹⨉痍␤倁
ō 假㓲⃡⋬P褕㓲⃡⹻⛐⇆㕟┑O≠㉸P

20. O϶
OQFR
ō 㢚㾶獌戟截䧙楅㾶
.KDTCT[U[OR[KPXGTV
ō 窸桴苭榽ㆇ獌1
NQI
P

21. 7PKXGTUKV[2CTV
ō 脡⋬≬⸱
ō )(
ō

22. ϶
OQF
ō

23. ϶
OQF
ō )(
ō

24. ϶
OQF
ō

25. ϶
OQF

26. ,WPKQT2CTV
ō ㏔抇㾶㕫O@惀
O
@幫㓱⃡⫧▁㾶珮瓭㾶
䥥蒺乸

27. ,WPKQT2CTV
ō 汷␩褕涹ℎ窛⹙䥥⧁ㇰⓧ茭⛐⇆㗠┑
ō 稦臂褕䠉O@
Oℓ菈≧⑊⋬ㇰ⸱
ō 竐祱褕⛐⇆⻨O䠉⃡⫧㩒屠孉䰛
!

28. 4GOKPF;QW
ō 盯㩽㓲⋲⛐⇆䠉
ō
O
@珮O@珮ㄙ窛
ō 䠉▁䃼瓭楅珮痍␤倁
ō 㓲⋲⼒⛐⇆㉸┑O

29. ⼒蒋㴄
3#4QWPF

30. )COG

31. )COG
ō ↡袂㤐)COG
ō 假≁⦼⋬窛⸸褕㏔抇㾶䠉⃡Ⰸ⫧蒺乸㉸┑
ō ≬盯獌
ō

32. ō

33. .KOKVCVKQP
ō 竑窸⋺㧤假⃡瓳椱┗
ō ≬盯獌
ō 櫧ㅰ⃮聚㠚幫
ō 蒺乸㢚ㇰ⃮⛋竑▁䃼瓭楅
ō GVEŎ

34. %JCNNGPIG
ō ⑊ⓧ曹⑈茭⹭㔡竑ICOG
$CUGF1P2[VJQP
ō 椱┗獌
ō 窛⸸㉿`揞竑⛐聚
ō 稦⚸丵竼獌=

35. ?

36. ō 2[VJQP⃬䥥㹄屰孉䰛㾶

37. 1RGTCVKQP
ō 㬚㞻㹄屰孉䰛㾶褕楅Ⅷ窛⸸ℬ⯷褕㓲⋲⛐⇆≠䠉
ō 㗍艟獌
ō ▁䃼瓭楅獌

38. ō 㸂㢚獌

40. ō 糃笉⇗㙉⚜獌

41. 2QKPV
ō 礵⋬撮袛
ō 㔡竑窛⸸揞㤐(NQCV
ō 㔡竑䥥蒺乸揞㤐ↅ假GXCN⫘嬭

42. (KTUV6T[
ō 㕫⠰欭℀假傻⃫茭欭
ō ⛐㤐
$WVŎ褕撮袛⼒㤐蒋⋬$WV
ō 傻⃫茭欭揞㤐`
ō 傻⃫茭欭揞⃮㠐㛕㸂㢚

45. 2TQDNGO#PCNU[U
ō ⛐⇆㕫⠰欭稁茭㓱⃬橃䥥㢚纑ㇰ
ō sZ
12As[
12As
12AsY
ō 㔡竑⛐聚䥥䖡㾢褕⅀⼒⛋㧤竑
ō

46. @

47. @
ō 㦕╼茭⛐嬭

48. 6QQNU
ō ≠䠉テ⑘≧㋌蒑䠃䠀䄍嵇倱㩽
ō R[VJQPKVGTVQQNU
ō ⛐⇆䠃䠀稢⓸珮倥⛩

49. %QFKPI
ō ⓸ⓛ㔡竑窛⸸䥥稢⓸⛐聚
ō ⓸ⓛ⛐聚䥥蒺乸㢚ㇰ
ō @
㹄征艟

50. @
蒺乸
ō 䠃䠀㦌窸䥥蒺乸ㇰ
ō 䮛⹻↷䥥甬㤐✇䎛

51. 5QWTEG%QFG

52. $WVŎ
ō ⚩≧⃡⋬$WVŎ
ō 槡茒⌻㉩⯻椓✧
ō 欭䧏㧤≧⋬獌
ō 盯㩽⃮⻰㊤≁䠃䠀䥥蒺乸㤐
ō

55. 6JCPMUHQT[QWTCVVGPVKQP
3#