http://www.rfc-editor.org/rfc/rfc5756.txt
RFC 5756: Updates for RSAES-OAEP and RSASSA-PSS Algorithm Parameters, S. Turner, D. Brown, K. Yiu, R. Housley, T. Polk2010-01-01T23:00:00-00:00This document updates RFC 4055. It updates the conventions for using the RSA Encryption Scheme - Optimal Asymmetric Encryption Padding (RSAES-OAEP) key transport algorithm in the Internet X.509 Public Key Infrastructure (PKI). Specifically, it updates the conventions for algorithm parameters in an X.509 certificate's subjectPublicKeyInfo field. [STANDARDS-TRACK]