ref: 2cf1e43e8cb87f0b201229548fe76a02548e67f1
dir: /sys/src/ape/lib/openssl/crypto/dsa/README/
The stuff in here is based on patches supplied to me by Steven Schoch <schoch@sheba.arc.nasa.gov> to do DSS. I have since modified a them a little but a debt of gratitude is due for doing the initial work.