Changes between 0.9.8b and 0.9.9 [xx XXX xxxx]
+ *) Initial engine support for EVP_PKEY_METHOD. New functions to permit
+ an engine to register a method.
+ [Steve Henson]
+
+ *) New functions EVP_Digest{Sign,Verify)*. These are enchance versions of
+ EVP_{Sign,Verify}* which allow an application to customise the signature
+ process.
+ [Steve Henson]
+
*) New -resign option to smime utility. This adds one or more signers
to an existing PKCS#7 signedData structure. Also -md option to use an
alternative message digest algorithm for signing.