暗号化ライブラリConceal

potatotips #22

Transcript

1. ҉߸ԽϥΠϒϥϦ
   $PODFBM
   ,FJTVLF,PCBZBTIJ
   QPUBUPUJQT
   

   View Slide

2. ࣗݾ঺հ
   w ,FJTVLF,PCBZBTIJ LPCBLFJ
   
   w 40/:(3&&$PVCJD *OD
   w "OESPJE#BDLFOE 3BJMT
   
   

   View Slide

3. View Slide

4. ҆શͳσʔλอଘ
   w ͦ΋ͦ΋อଘ͠ͳ͍ʢ࠷ڧʣ
   w αʔόʔʹอଘʢ࣍఺ʣ
   w ୺຤ʹอଘ

   ʢ42-JUF ϑΝΠϧ 4IBSFE1SFGFSFODFTʜʣ
   

   View Slide

5. ୺຤ʹอଘ
   w ଞͷΞϓϦ͔Βݟ͑ͳ͍Α͏ʹɺ.0%&@13*7"5&
   Ͱอଘ͢Δͷ͸౰વͱͯ͠
   w ॏཁͳσʔλ͸҉߸Խ͍ͨ͠
   w ྫɿϢʔβʔ͕લճೖྗͨ͠ϝʔϧΞυϨεΛه
   Ա͍ͨ͠ɺͳͲ
   

   View Slide

6. ҉߸Խ͸೉͍͠
   w ΞϧΰϦζϜ
   w Ωʔͷอଘํ๏
   w "OESPJEͷ৔߹ɺΩʔΛ಺แͨ͠ΞϓϦ͕߈ܸऀͷख
   ݩʹ͋Δ͔Β஫ҙ
   w +BWB૚ʹॻ͘ͱؙݟ͑ͳͷͰɺىಈ࣌ʹੜ੒ͨ͠Γ
   $૚ʹॻ͍ͨΓ͢Δ͕ΊΜͲ͍͘͞
   w αϯϓϧίʔυΛίϐϖ͢Δͱةݥ
   

   View Slide

7. $PODFBM
   w 'BDFCPPL͕࡞ͬͨ҉߸ԽϥΠϒϥϦ

   IUUQTHJUIVCDPNGBDFCPPLDPODFBM
   w +BWB$
   w "&4($.
   w ࣮૷͸0QFO44-
   w Ωʔͷอଘͱ͔͍͍۩߹ʹ΍ͬͯ͘ΕΔ
   

   View Slide

8. Πϯετʔϧ
   w (SBEMF
   w DPNQJMFbDPNGBDFCPPLDPODFBMDPODFBM
   !BBS`
   w ޙड़͠·͕͋͢·Γ࢖͑ͳ͍ʜ
   

   View Slide

9. ࢖͍ํʢॳظԽʣ
   

   View Slide

10. ࢖͍ํʢ҉߸Խʣ
    

    View Slide

11. ࢖͍ํʢ෮߸ʣ
    

    View Slide

12. ࢖͍ํʢγϯϓϧʹʣ
    

    View Slide

13. ໰୊఺
    w ެ͕ࣜCJUରԠͯ͠ͳ͍
    w (BMBYZ4 9QFSJB;ͳͲͰಈ͔ͳ͍
    w ϓϧϦΫ͸ग़ͯΔ͕Ϛʔδ͞ΕΔؾ഑ͳ͠

    IUUQTHJUIVCDPNGBDFCPPLDPODFBMQVMM
    

    View Slide

14. ࣗ෼ͰϏϧυ͢Δ
    w #VDLΛΠϯετʔϧ

    ʢIUUQTCVDLCVJMEDPNʣ
    w ϓϧϦΫͷग़ͯΔϦϙδτϦΛDMPOF

    ʢIUUQTHJUIVCDPNQSJTUJOFJPDPODFBMʣ
    w CVDLCVJMEDPODFBM@BOESPJEΛ࣮ߦ
    

    View Slide

15. ϥΠϒϥϦ഑ஔ৔ॴ
    w MJCDPODFBMKBS DPODFBM@BOESPJEKBS
    w NPEVMFMJCTKBS
    w MJCDPODFBMTP
    w NPEVMFTSDNBJOKOJ-JCTBSDI
    MJODPODFBMTP
    

    View Slide

16. ·ͱΊ
    w ୺຤ʹॏཁͳ৘ใΛอଘ͢Δͱ͖͸ɺ҉߸Խͨ͠΄
    ͏͕͍͍Α
    w 'BDFCPPLͷ$PODFBMͱ͍͏ϥΠϒϥϦ࢖͏ͱָͩ
    Α
    w ͸ΑCJUରԠͯ͘͠Ε
    w 2JJUBIUUQRJJUBDPNLPCBLFJJUFNT
    DCGCCCCFC
    

    View Slide

17. ͓ΘΓ
    

    View Slide