ref: a47c75f68e5a33080dc3cee98dfa1cb4e6ace6f4
dir: /sys/src/ape/lib/openssl/crypto/dh/dh512.pem/
-----BEGIN DH PARAMETERS----- MEYCQQDaWDwW2YUiidDkr3VvTMqS3UvlM7gE+w/tlO+cikQD7VdGUNNpmdsp13Yn a6LT1BLiGPTdHghM9tgAPnxHdOgzAgEC -----END DH PARAMETERS-----