Fix warnings.

OpenVMS, and possibly more.

Ref: http://h71000.www7.hp.com/doc/82final/6529/6529pro_019.html#r_select

Submitted by: Corinna Vinschen

PR: 1367

check for SSE bit instead of MMX, as pshufw was introduces in PIII, minor
optimization, typos...

256 byte S-box. AES_cbc_encrypt needs further work as it should also use
slow routines when processing smaller amount of data.

verify logic to try to use an unexpired CRL if possible.

Submitted by: NTT

them.

strong impact on decrypt performance, 20-25%. One probably should consider
switching between slower and faster routines depending on how much data
we were asked to process.

those referencing compact, 256-byte, S-boxes.

For S/MIME multipart/signed type the signature is calculated on the fly.

For other detached data forms the stream isn't used after the single pass to
calculate signatures.

For non-detached the data is stored in a memory BIO.

supplied list.