+ Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5:
+
+ o S/MIME support in new 'smime' command
+ o Documentation for the OpenSSL command line application
+ o Automation of 'req' application
+ o Fixes to make s_client, s_server work under Windows
+ o Support for multiple fieldnames in SPKACs
+ o New SPKAC command line utilty and associated library functions
+ o Options to allow passwords to be passed on command line or environment
+ o New public key PEM format and options to handle it
+ o Many other fixes and enhancements to command line utilities
+ o Usable certificate chain verification
+ o Certificate purpose checking
+ o Certificate trust settings
+ o Support of authority information access extension
+ o Extensions in certificate requests
+ o Simplified X509 name and attribute routines
+ o Initial incomplete support for international character sets
+ o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
+ o Read only memory BIOs and simplified creation function
+ o TLS/SSL code now "tolerates" MS SGC
+ o RSA_NULL option that removes RSA patent code but keeps other
+ RSA functionality
+ o Memory leak detection now allows applications to add extra information
+ via a per-thread stack
+ o PRNG robustness improved
+
+ Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4:
+
+ o Transparent support for PKCS#8 format private keys: these are used
+ by several software packages and are more secure than the standard
+ form
+ o PKCS#5 v2.0 implementation
+ o Password callbacks have a new void * argument for application data
+ o Avoid various memory leaks
+ o New pipe-like BIO that allows using the SSL library when actual I/O
+ must be handled by the application (BIO pair)
+