Defining frameworks for public-key certificates and attribute certificates (Recommendation no. X.509)

Recommendation ITU-T X.509 | ISO/IEC 9594-8 defines frameworks for public-key certificates and attribute certificates. The public-key certificate framework is the base specification for public-key certificates, for the different components going into a public-key infrastructure (PKI) for validation procedures and for public-key certificate revocation, etc. The attribute certificate framework is the base specification for attribute certificates and the different components going into the Privilege Management Infrastructure (PMI). These frameworks may be used by standards bodies to profile their application to PKIs and PMIs.