merge revision(s) 34123,34126,34127,34463: [Backport #5981]
* ext/openssl/ossl_cipher.c: Update and complete documentation. * ext/openssl/ossl_cipher.c: Add warning about key as IV.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@34473 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 34123,34126,34127,34463: [Backport #5981]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@34473 b2dd03c8-39d4-4d8f-98ff-823fe69b080e