New global config option "only-urandom".
* random/rand-internal.h (RANDOM_CONF_ONLY_URANDOM): New. * random/random.c (_gcry_random_read_conf): Add option "only-urandom". * random/rndlinux.c (_gcry_rndlinux_gather_random): Implement that option. * tests/keygen.c (main): Add option --no-quick for better manual tests.
- Signed-off-by: Werner Koch <wk@gnupg.org>