The Bouncy Castle APIs currently consist of the following:

• A lightweight cryptography API for Java and C#.

• A provider for the Java Cryptography Extension and the Java Cryptography Architecture.

• A clean room implementation of the JCE 1.2.1.

• A library for reading and writing encoded ASN.1 objects.

• Lightweight APIs for TLS (RFC 2246, RFC 4346) and DTLS (RFC 4347).

• Generators for Version 1 and Version 3 X.509 certificates, Version 2 CRLs, and PKCS12 files.

• Generators for Version 2 X.509 attribute certificates.

• Generators/Processors for S/MIME and CMS (PKCS7/RFC 3852).

• Generators/Processors for OCSP (RFC 2560).

• Generators/Processors for TSP (RFC 3161 & RFC 5544).

• Generators/Processors for CMP and CRMF (RFC 4210 & RFC 4211).

• Generators/Processors for OpenPGP (RFC 4880).

• Generators/Processors for Extended Access Control (EAC).

• Generators/Processors for Data Validation and Certification Server (DVCS) - RFC 3029.

• A signed jar version suitable for JDK 1.4-1.7 and the Sun JCE.