OpenSSL 0.9.7

OpenSSL is an open-source software library that provides cryptographic functions such as SSL/TLS for secure communication, encryption, and decryption.

OpenSSL is primarily maintained by the OpenSSL Software Foundation, which is a collaborative effort involving volunteer developers from around the world.

OpenSSL supports a wide range of platforms, including various Unix-like systems (Linux, macOS, etc.), Windows, and some embedded systems. It also provides APIs for various programming languages such as C, C++, and Python.

OpenSSL is commonly used to secure network communication through SSL/TLS protocols, implement digital certificates, perform encryption and decryption tasks, and generate cryptographic keys.

OpenSSL has experienced several vulnerabilities over the years, including well-known ones like Heartbleed and POODLE. It is important to keep OpenSSL updated to the latest version to mitigate any potential security risks.

The installation process for OpenSSL depends on the operating system you are using. Typically, it can be installed using package managers like apt-get (Ubuntu), yum (CentOS), or Homebrew (macOS). Detailed instructions can be found in the OpenSSL documentation or the official distribution's website.

Yes, OpenSSL is available under a dual license: Apache License 2.0 and OpenSSL License. This means it can be used in both open-source and commercial projects.

OpenSSL provides a command-line tool called 'openssl' that can be used to generate self-signed certificates. The 'req' and 'genrsa' commands are commonly used for this purpose. Detailed examples and instructions can be found in the OpenSSL documentation.

Yes, OpenSSL can be configured and used in a FIPS 140-2 compliant mode by enabling the FIPS module and following proper configuration guidelines. However, note that enabling FIPS mode may limit certain cryptographic algorithms or features.

The official OpenSSL website (https://www.openssl.org/) is a good starting point for learning about OpenSSL. It provides documentation, tutorials, and links to additional resources. Online communities, forums, and books dedicated to cryptography or network security also offer valuable insights into using OpenSSL.