@misc{rfc9690, series = {Request for Comments}, number = 9690, howpublished = {RFC 9690}, publisher = {RFC Editor}, doi = {10.17487/RFC9690}, url = {https://www.rfc-editor.org/info/rfc9690}, author = {Russ Housley and Sean Turner}, title = {{Use of the RSA-KEM Algorithm in the Cryptographic Message Syntax (CMS)}}, pagetotal = 30, year = 2025, month = feb, abstract = {The RSA Key Encapsulation Mechanism (RSA-KEM) algorithm is a one-pass (store-and-forward) cryptographic mechanism for an originator to securely send keying material to a recipient using the recipient's RSA public key. The RSA-KEM algorithm is specified in Clause 11.5 of ISO/IEC: 18033-2:2006. This document specifies the conventions for using the RSA-KEM algorithm as a standalone KEM algorithm and the conventions for using the RSA-KEM algorithm with the Cryptographic Message Syntax (CMS) using KEMRecipientInfo as specified in RFC 9629. This document obsoletes RFC 5990.}, }