Russ Housley. Using Pre-Shared Key (PSK) in the Cryptographic Message Syntax (CMS). RFC, 8696:1-31, December 2019. [doi]
@article{rfc8696, title = {Using Pre-Shared Key (PSK) in the Cryptographic Message Syntax (CMS)}, author = {Russ Housley}, year = {2019}, month = {December}, doi = {10.17487/RFC8696}, url = {https://doi.org/10.17487/RFC8696}, researchr = {https://researchr.org/publication/rfc8696}, cites = {0}, citedby = {0}, journal = {RFC}, volume = {8696}, pages = {1-31}, }