Secure communication over insecure networks – Information Security Technologies

Public Key (PK) Certificate

* Instrument for vouching individual or organization’s public key
* Certificates can be issued by anyone with licence with the right software/hardware
* Licensing is a legal act performed by each country
* Licensing is law regulated in Germany and all licences issued in any EU or EFTA country are recognized as valuable
* Certificates are credentials
* Level of trust is based on the particular Certification Agency (CA) and the CA’s identity verification process
* Required level of trust depends on what business transaction is to be accomplished

PK Certificates – cont.

* Organizations who might issue Public Key Certificates:
* Financial Institutions
* Government Agencies (US. Passport Agency, US. Postal Service, Department of Motor Vehicles, Municipalities, Notary Publics)
* Companies
* You as a service provider

* University of Ljubljana, Jozef Stefan Institute, SLOVENIA

PK Certificates – cont..

* Roles of Public Key Certificates (dependent on the issuing agency – Certification Authority):
* Identity
* Letter of Credit
* Credit-worthiness
* Payment Authorization


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