Pure Rust implementation of the Cryptographic Message Syntax (CMS) as described in [RFC 5652], [RFC 5911], and in [RFC 3274].
Cryptographic Message Syntax (CMS) is an IETF standard for encrypted messages, and can be used to sign and/or encrypt data. It uses a certificate-based architecture for authenticating principals who can exchange encrypted and/or signed messages.
CMS is based on the syntax of PKCS #7, itself based on the Privacy-Enhanced Mail (PEM) standard.
It's used in many cryptographic standards, such as S/MIME, PKCS#12 and the RFC 3161 digital timestamping protocol.
This crate requires Rust 1.65 at a minimum.
We may change the MSRV in the future, but it will be accompanied by a minor version bump.
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Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.