[OSSLupdate]
Levitte, Richard.
"Announcement: OpenSSL version 0.9.6b released".
http://www.openssl.org/news/announce.html
Bodo Moeller.
"Weakness of the OpenSSL PRNG in Versions Up to OpenSSL 0.9.6a".
http://www.nosneros.net/hso/publications/referenced_material/openssl_prng_advisory.html
Knoble, Jim.
"OpenSSL-0.9.6a has security fixes".
http://www.securityfocus.com/archive/1/179451.
[ENGREADME]
OpenSSL maintainers.
"README.ENGINE" in OpenSSL-Engine source.
[Callas1996]
Callas, Jon.
"Using and Creating Cryptographic-Quality Random Numbers".
http://www.merrymeet.com/jon/usingrandom.html.
[egd]
Warner, Bryan.
"Entropy Gathering Daemon (EGD)".
http://www.lothar.com/tech/crypto/.
[Callas1998]
Callas, Jon; Donnerhacke, L.; Finney, H.; Thayer, R.
"RFC 2440: OpenPGP Message Format".
http://www.rfc-editor.org/rfc/rfc2440.txt.
[Ellison2001]
Ellison, Carl.
"My Padlock".
http://world.std.com/~cme/html/padlock.html.