@misc{rfc2632,
    series =    {Request for Comments},
    number =    2632,
    howpublished =  {RFC 2632},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC2632},
    url =       {https://www.rfc-editor.org/info/rfc2632},
    author =    {Blake C. Ramsdell},
    title =     {{S/MIME Version 3 Certificate Handling}},
    pagetotal = 13,
    year =      1999,
    month =     jun,
    abstract =  {S/MIME (Secure/Multipurpose Internet Mail Extensions), provides a method to send and receive secure MIME messages. Before using a public key to provide security services, the S/MIME agent MUST certify that the public key is valid. S/MIME agents MUST use PKIX certificates to validate public keys as described in the Internet X.509 Public Key Infrastructure (PKIX) Certificate and CRL Profile. {[}STANDARDS-TRACK{]}},
}