it work better.

functions and EVP_MD_CTX_copy work properly.

for enhanced sign/verify operations.

existing structure and using alternative digest for signing.

functions.

to create S/MIME signed data with multiple signers.

been processed. This allows any ENGINE changing operations to be processed
first (for example a config file).

private keys.

FIXME: this function should really be rewritten because it is *horrible*.

supported encryption algorithm instead of a PBE NID then use that
algorithm with PBES2.