| S/MIME, Secure/Multipurpose Internet Mail Extensions |
| Description | Glossary | RFCs | Publications | Obsolete RFCs |
| Type: | |
| MIME subtypes: | application/pkcs10, application/pkcs7-mime, application/pkcs7-signature. |
| Working groups: | smime, S/MIME Mail Security. |
| Links: |
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.
RFCs:
[RFC 2311] S/MIME Version 2 Message Specification.
[RFC 2312] S/MIME Version 2 Certificate Handling.
[RFC 2634] Enhanced Security Services for S/MIME.
[RFC 2785] Methods for Avoiding the "Small-Subgroup" Attacks on the Diffie-Hellman Key Agreement Method for S/MIME.
[RFC 2984] Use of the CAST-128 Encryption Algorithm in CMS.
[RFC 3183] Domain Security Services using S/MIME.
[RFC 3114] Implementing Company Classification Policy with the S/MIME Security Label.
[RFC 3850] Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.1 Certificate Handling.
[RFC 3851] Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.1 Message Specification.
[RFC 3853] S/MIME Advanced Encryption Standard (AES) Requirement for the Session Initiation Protocol (SIP).
[RFC 3854] Securing X.400 Content with Secure/Multipurpose Internet Mail Extensions (S/MIME).
[RFC 3855] Transporting Secure/Multipurpose Internet Mail Extensions (S/MIME) Objects in X.400.
[RFC 4134] Examples of S/MIME Messages.
[RFC 4262] X.509 Certificate Extension for Secure/Multipurpose Internet Mail Extensions (S/MIME) Capabilities.
[RFC 2632] S/MIME Version 3 Certificate Handling.
[RFC 2633] S/MIME Version 3 Message Specification.
| Description | Glossary | RFCs | Publications | Obsolete RFCs |