Comunicazione Come comunico in maniera sicura su internet!? ALICE BOB

Presentazione sul tema: "Comunicazione Come comunico in maniera sicura su internet!? ALICE BOB"— Transcript della presentazione:

1 Comunicazione Come comunico in maniera sicura su internet!? ALICE BOB
@Gianlucode #LinuxDay2014

2 Facebook HTTP S Secure ISP (Telecom) ISP (Telecom) In chiaro Cifrata
@Gianlucode #LinuxDay2014

3 Chat su Facebook #LinuxDay2014 gianluca.gabrielli@autistici.org
@Gianlucode #LinuxDay2014

4 Chat su Facebook #LinuxDay2014 gianluca.gabrielli@autistici.org
@Gianlucode #LinuxDay2014

5 Crittografia Simmetrica
Prima attraverso un canale sicuro Dopo su internet (non sicuro) @Gianlucode #LinuxDay2014

6 Crittografia Asimmetrica
@Gianlucode #LinuxDay2014

7 Crittografia Asimmetrica
@Gianlucode #LinuxDay2014

8 Crittografia Asimmetrica
Internet Bob Alice Privata Pubblica Privata Pubblica @Gianlucode #LinuxDay2014

9 Rappresentazione Asimmetrica Simmetrica #LinuxDay2014
@Gianlucode #LinuxDay2014

10 Key exange SEMPLIFICATO
Internet Bob Alice @Gianlucode #LinuxDay2014

11 Diffie-Hellman Key Exchange
Key exange SEMPLIFICATO I più curiosi possono approfondire cercando Diffie-Hellman Key Exchange @Gianlucode #LinuxDay2014

12 Cos'è una chiave = #LinuxDay2014 gianluca.gabrielli@autistici.org
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 = @Gianlucode #LinuxDay2014

13 Fingerprint Riassunto( ) = Fingerprint SHA-1 #LinuxDay2014
@Gianlucode #LinuxDay2014

14 Fingerprint Riassunto( ) = Fingerprint
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 Riassunto( ) = Fingerprint 27B0 013E 95F8 644D 35A5 93B0 0E07 A068 E9F0 2F91 @Gianlucode #LinuxDay2014

15 Crittografia Asimmetrica
@Gianlucode #LinuxDay2014

16 Le chiavi e i messaggi Ciao come stai?
OTR:AAIDAAAAAAkAAAAKAAAAwHKghsJ6HgjjSD9Za7Yuy9Jft0dfP0DKLqxme5uhRH/L74oETnZf3Y+xRXt4WbwdYpe429wpL7fiG8aEFcRYbJWhuBEvt5PuVURDSbb5JPEg3AtU3WdwWabMsKgUR9CsQd+VGDUsYqnf5Msvu3G5yIE9SZWgYrE3LxiwE7c769MMD/2uELxSN1YacONUB3gyTvvVwuCgxJx4oeL2mQuDyDMt1AGCayuQ18ZYAUB9sVQ17oRj7ZbYTA4PxgAAAAAAAAACAAAAENNcVwRCtiNdoEnSMnD0pvX+STnpa082S1SGr0ek0yAK/qg3SwAAAAA=. Ciao come stai? @Gianlucode #LinuxDay2014

17 Chat su Facebook #LinuxDay2014 gianluca.gabrielli@autistici.org
@Gianlucode #LinuxDay2014

18 Prova Pratica È ora di sperimentare! #LinuxDay2014
@Gianlucode #LinuxDay2014

19 Off-The-Record HTTP S Secure ISP (Telecom) ISP (Telecom) Fingerprint
In chiaro Cifratura OTR Cifrata @Gianlucode #LinuxDay2014

20 Grazie per l'attenzione!
Fine Grazie per l'attenzione! @Gianlucode #LinuxDay2014

21 Domande? Per altri video https://www.youtube.com/user/FreeGNULinux
Per il momento più di 50 @Gianlucode #LinuxDay2014