Communications of the ACM
An authorization model for a public key management service
ACM Transactions on Information and System Security (TISSEC)
A survey of key management for secure group communication
ACM Computing Surveys (CSUR)
On the performance of group key agreement protocols
ACM Transactions on Information and System Security (TISSEC)
Efficient and secure self-escrowed public-key infrastructures
ASIACCS '07 Proceedings of the 2nd ACM symposium on Information, computer and communications security
OpenHSM: an open key life cycle protocol for public key infrastructure's hardware security modules
EuroPKI'07 Proceedings of the 4th European conference on Public Key Infrastructure: theory and practice
Digital certificate management for document workflows in E-government services
EGOV'10 Proceedings of the 9th IFIP WG 8.5 international conference on Electronic government
Observations on certification authority key compromise
EuroPKI'10 Proceedings of the 7th European conference on Public key infrastructures, services and applications
Efficient and secure storage of private keys for pseudonymous vehicular communication
Proceedings of the 2013 ACM workshop on Security, privacy & dependability for cyber vehicles
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Hardware Security Modules (HSMs) are an useful tool to deploy public key infrastructure (PKI) and its applications. This paper presents necessary procedures and protocols to perform backup and audit in such devices when deployed in PKIs. These protocols were evaluated in an implementation of a real HSM, enabling it to perform secure backups and to provide an audit trail, two important considerations for a safe PKI operation. It also introduces a ceremony procedure to support the operation of such HSMs in a PKI environment.