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OpenSSL - Installation on Windows
This chapter describes:
- Installation of OpenSSL on Windows system.
What is OpenSSL?
OpenSSL is a cryptography toolkit implementing the Secure Sockets Layer
(SSL v2/v3) and Transport Layer Security (TLS v1) network protocols and
related cryptography standards required by them.
The openssl program is a command line tool for using the various cryptography
functions of OpenSSL's crypto library from the shell. It can
be used for:
- Creation of RSA, DH and DSA key parameters
- Creation of X.509 certificates, CSRs and CRLs
- Calculation of Message Digests
- Encryption and Decryption with Ciphers
- SSL/TLS Client and Server Tests
- Handling of S/MIME signed or encrypted mail
Installing OpenSSL on Windows
OpenSSL is officially distributed in C source code format. This is not a problem for
Unix systems where C compiler is always available. But if you have a Windows system,
you will have a hard time to install OpenSSL in C source code format. What you should
do is to find a pre-compiled binary version for Windows. Here is my sugge I installed
OpenSSL on my Windows system:
1. Go to http://gnuwin32.sourceforge.net/packages/openssl.htm, and
download the "Setup" version of "Binaries", openssl-0.9.7c-bin.exe.
2. Double click on openssl-0.9.7c-bin.exe to install OpenSSL to \local\gnuwin32 directory.
3. Go back to the same page, download the "Setup" version of "Documentation", and
install it to the same directory.
4. Open command line window, and try the following command:
>\local\gnuwin32\bin\openssl -help
openssl:Error: '-help' is an invalid command.
Standard commands
asn1parse ca ciphers crl crl2pkcs7
dgst dh dhparam dsa dsaparam
enc engine errstr gendh gendsa
genrsa nseq ocsp passwd pkcs12
pkcs7 pkcs8 rand req rsa
rsautl s_client s_server s_time sess_id
smime speed spkac verify version
x509
......
If you see the list of commands printed by OpenSSL, you know that your installation
is done correctly.
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