@misc{rfc3851,
    series =    {Request for Comments},
    number =    3851,
    howpublished =  {RFC 3851},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC3851},
    url =       {https://www.rfc-editor.org/info/rfc3851},
    author =    {Blake C. Ramsdell},
    title =     {{Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.1 Message Specification}},
    pagetotal = 36,
    year =      2004,
    month =     jul,
    abstract =  {This document defines Secure/Multipurpose Internet Mail Extensions (S/MIME) version 3.1. S/MIME provides a consistent way to send and receive secure MIME data. Digital signatures provide authentication, message integrity, and non-repudiation with proof of origin. Encryption provides data confidentiality. Compression can be used to reduce data size. This document obsoletes RFC 2633. {[}STANDARDS-TRACK{]}},
}