RustCrypto: Formats

Cryptography-related format encoders/decoders (e.g. PKCS, PKIX)

Crates

Name	crates.io	Docs	Description
base16ct			Constant-time hexadecimal encoder/decoder
base32ct			Constant-time Base32 encoder/decoder
base64ct			Constant-time Base64 encoder/decoder with support for several variants
cms			Implementation of the Cryptographic Message Syntax (CMS) as described in RFC 5652, RFC 5911, and in RFC 3274.
const‑oid			Const-friendly implementation of the ISO/IEC Object Identifier (OID) standard as defined in ITU X.660
der			Decoder and encoder of the Distinguished Encoding Rules (DER) for Abstract Syntax Notation One (ASN.1) as described in ITU X.690
pem‑rfc7468			Strict PEM encoding for PKIX/PKCS/CMS objects
pkcs1			Implementation of PKCS#1: RSA Cryptography Specifications Version 2.2 (RFC 8017)
pkcs5			Implementation of PKCS#5: Password-Based Cryptography Specification Version 2.1 (RFC 8018)
pkcs7			Implementation of PKCS#7: Cryptographic Message Syntax v1.5 (RFC 5652 and RFC 8933) 🚨 Deprecated in favor of cms
pkcs8			Implementation of PKCS#8(v2): Private-Key Information Syntax Specification (RFC 5208) and asymmetric key packages (RFC 5958)
pkcs10			Implementation of PKCS#10: Certification Request Syntax Specification (RFC 2986)
sec1			SEC1: Elliptic Curve Cryptography encoding formats
spki			X.509 Subject Public Key Info (RFC 5280 Section 4.1) describing public keys as well as their associated AlgorithmIdentifiers (i.e. OIDs)
tai64			TAI64(N) Timestamps
tls_codec			TLS codec as defined in RFC 8446 Section 3 as well as some extensions required by MLS.
x509-cert			X.509 Public Key Infrastructure Certificate format as described in RFC 5280

License

All crates licensed under either of

• Apache License, Version 2.0
• MIT license

at your option.

Contribution

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.