Cryptographic Schemas and Protocols -- Efficient Public Key Encryption Admitting Decryption by Sender -- Public Key Infrastructure -- How to Avoid the Breakdown of Public Key Infrastructures Forward Secure Signatures for Certificate Authorities -- Personal PKI for the Smart Device Era -- The Notary Based PKI -- Wireless Authentication and Revocation How to Bootstrap Trust Among Devices in Wireless Environments via EAP-STLS -- Anonymity Revocation through Standard Infrastructures.

This book constitutes the thoroughly refereed post-conference proceedings of the 9th European Workshop, EuroPKI 2012, held in Pisa, Italy, in September 2012. The 12 revised full papers presented were carefully selected from 30 submissions and cover topics such as Cryptographic Schemas and Protocols, Public Key Infrastructure, Wireless Authentication and Revocation, Certificate and Trusted Computing, and Digital Structures.