OpenSSL is a robust, commercial-grade, full-featured Open Source Toolkit for the TLS (formerly SSL), DTLS and QUIC (currently client-side only) protocols. The protocol implementations are based on a full-strength general-purpose cryptographic library, which can also be used stand-alone. Also included is a cryptographic module validated to conform with FIPS standards. OpenSSL is descended from the SSLeay library developed by Eric A. Young and Tim J. Hudson.

Features

  • libssl an implementation of all TLS protocol versions up to TLSv1.3 (RFC 8446), DTLS protocol versions up to DTLSv1.2 (RFC 6347) and the QUIC (currently client side only) version 1 protocol (RFC 9000)
  • libcrypto a full-strength general purpose cryptographic library
  • It constitutes the basis of the TLS implementation, but can also be used independently
  • Creation of key parameters
  • Creation of X.509 certificates, CSRs and CRLs
  • Handling of S/MIME signed or encrypted mail

Project Samples

OpenSSL Project Screenshot 1

Project Activity

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Categories

Libraries

License

Apache License V2.0

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OpenSSL Project Web Site

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Additional Project Details

Programming Language

C

Related Categories

C Libraries

Registered

2024-09-20
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