Projects / PolarSSL

PolarSSL

PolarSSL is a light-weight cryptographic and SSL/TLS library written in C. PolarSSL makes it easy for developers to include cryptographic and SSL/TLS capabilities in their (embedded) applications with as little hassle as possible. Loose coupling of the components inside the library means that it is easy to separate the parts that are needed, without needing to include the total library. PolarSSL is written with embedded systems in mind and has been ported on a number of architectures, including ARM, PowerPC, MIPS, and Motorola 68000. The source is written to have very loose coupling, enabling easy integration of parts in other software projects. Very loosely coupled cryptographic algorithms for MD2, MD4, MD5, SHA1, SHA-256, SHA-512, AES, Camellia, DES, Triple DES, ARC3, and RSA are included.

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Recent releases

  •  22 Dec 2011 10:48

    Release Notes: This release introduces the CTR_DBRG random generator based on AES-256-CTR (NIST SP 800-90) and a generic entropy accumulator, next to the already existing HAVEGE random generator. The behaviour of x509parse_crt() has changed, though. It's backwards compatible with pre-1.1.0 code. For permissive parsing, you now have to use the return code differently; please read the documentation. A lot of simple error codes (1 and 2) inside the code were changed to 'real errors'. In addition, a lot of standing issues were fixed with regards to compatibility and customization.

    •  09 Aug 2011 11:45

      Release Notes: No major changes have been made since the 0.99 pre-releases. Since the previous stable release, many features and new functionality was added for better integration with third party software, documentation was added, abstraction layers were added, code was cleaned up, code was separated into modules, support for PKCS#1 v2.1 EMSA encoding and thus support for RSAES-OAEP and RSASSA-PSS operations was added, and many extra examples were included.

      •  27 May 2011 09:36

        Release Notes: This version includes some much needed adaptions before the final release of version 1.0.0. If no severe problems are found in this release, this will culminate in an official version 1.0.0. This release allows you to disable all filesystem related functions, and adds printed error string functionality and some extra examples for SMTP clients and forked servers.

        •  28 Feb 2011 22:12

          Release Notes: A possible Man-in-the-Middle attack on the Diffie Hellman key exchange was fixed. More information can be found in PolarSSL Security Advisory 2011-01.

          •  28 Feb 2011 22:11

            Release Notes: A possible Man-in-the-Middle attack on the Diffie Hellman key exchange was fixed. More information can be found in PolarSSL Security Advisory 2011-01.

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