X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/b817bfc642225b8c3c0b6a7e42d1fb949b61a606..513d977018bda706d1e15f3c61703b66671bbf5a:/dh-param.c diff --git a/dh-param.c b/dh-param.c index 2e31c83..b02e84b 100644 --- a/dh-param.c +++ b/dh-param.c @@ -1,6 +1,6 @@ /* -*-c-*- * - * $Id: dh-param.c,v 1.2 2004/04/08 01:36:15 mdw Exp $ + * $Id$ * * Reading Diffie-Hellman parameters * @@ -31,10 +31,11 @@ #include "dh.h" #include "ptab.h" +#include "bintab.h" /*----- Main code ---------------------------------------------------------*/ -/* --- @dh_parse@ --- * +/* --- @dh_parse@, @dhbin_parse@ --- * * * Arguments: @qd_parse *qd@ = parser context * @dh_param *dp@ = parameters to fill in @@ -49,9 +50,22 @@ static void getinfo(dh_param *dp, pdata *pd) { dp->p = &pd->p; dp->q = &pd->q; dp->g = &pd->g; } -int dh_parse(qd_parse *qd, dh_param *dp) +static int parse(qd_parse *qd, gprime_param *dp) { mp *p = MP_NEW, *q = MP_NEW, *g = MP_NEW; + + if ((p = qd_getmp(qd)) == 0) goto fail; + qd_delim(qd, ','); if ((q = qd_getmp(qd)) == 0) goto fail; + qd_delim(qd, ','); if ((g = qd_getmp(qd)) == 0) goto fail; + dp->p = p; dp->q = q; dp->g = g; + return (0); +fail: + mp_drop(p); mp_drop(q); mp_drop(g); + return (-1); +} + +int dh_parse(qd_parse *qd, dh_param *dp) +{ const pentry *pe; for (pe = ptab; pe->name; pe++) { @@ -60,16 +74,26 @@ int dh_parse(qd_parse *qd, dh_param *dp) goto found; } } - if ((p = qd_getmp(qd)) == 0) goto fail; - qd_delim(qd, ','); if ((q = qd_getmp(qd)) == 0) goto fail; - qd_delim(qd, ','); if ((g = qd_getmp(qd)) == 0) goto fail; - dp->p = p; dp->q = q; dp->g = g; + if (parse(qd, dp)) + return (-1); found: return (0); +} -fail: - mp_drop(p); mp_drop(q); mp_drop(g); - return (-1); +int dhbin_parse(qd_parse *qd, gbin_param *gb) +{ + const binentry *be; + + for (be = bintab; be->name; be++) { + if (qd_enum(qd, be->name) >= 0) { + getinfo(gb, be->data); + goto found; + } + } + if (parse(qd, gb)) + return (-1); +found: + return (0); } /*----- Test rig ----------------------------------------------------------*/ @@ -78,32 +102,57 @@ fail: #include "fibrand.h" -int main(void) +int main(int argc, char *argv[]) { const pentry *pe; + const binentry *be; const char *e; int ok = 1; grand *gr; gr = fibrand_create(0); - fputs("checking standard prime fields: ", stdout); + fputs("checking standard prime groups...\n", stdout); for (pe = ptab; pe->name; pe++) { dh_param dp; group *g; getinfo(&dp, pe->data); + printf(" %s: ", pe->name); g = group_prime(&dp); + if (mp_bits(dp.q) > 2048 && + (!argv[1] || strcmp(argv[1], "keen") != 0)) { + fputs("skipping\n", stdout); + continue; + } + fflush(stdout); e = G_CHECK(g, gr); G_DESTROYGROUP(g); dh_paramfree(&dp); if (e) { - fprintf(stderr, "\n*** group %s fails: %s\n", pe->name, e); + printf("fails: %s\n", e); ok = 0; - } - putchar('.'); + } else + fputs("ok\n", stdout); + } + fputs("checking standard binary groups...\n", stdout); + for (be = bintab; be->name; be++) { + gbin_param gb; + group *g; + getinfo(&gb, be->data); + printf(" %s: ", be->name); + g = group_binary(&gb); fflush(stdout); + e = G_CHECK(g, gr); + G_DESTROYGROUP(g); + dh_paramfree(&gb); + if (e) { + printf("fails: %s\n", e); + ok = 0; + } else + fputs("ok\n", stdout); } gr->ops->destroy(gr); - fputs(ok ? " ok\n" : " failed\n", stdout); + if (ok) + fputs("all ok\n", stdout); return (!ok); }