digital signatur
Post on 30-Dec-2015
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Digital signaturIntroduktion
Indhold
•Kryptering (lidt baggrund)
•Certifikater
•Public Key Infrastruktur (PKI)
Konventionel symmetrisk kryptering
HEJ HEJS#2Uu£
Public Key kryptering
Din PC laver to nøgler:• En offentlig nøgle• En privat nøgle
Digital Signatur
Din private nøglekan ”låse” et dokument,- det er din Digitale Signatur!
Kontrol af Digital Signatur
Signaturen kontrolleres ved at ”åbne” med din offentlige nøgle.
Tillid til den offentlige nøgle
A. LublinMen hvordan får vi distribueret de offentlige nøgler, så vi kan være sikre på, at ingen bytter rundt på dem?
Certifikatet..
Certificeringscenteret ”siger god for” dinoffentlige nøgleved at udstede et certifikat til dig.
Certifikatet-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
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