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Fix bad logic flow in WC_NO_RNG case.

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This commit is contained in:
David Garske
2021-04-30 14:37:25 -07:00
parent 64ae0a827c
commit 9453f83d28
1 changed files with 7 additions and 6 deletions
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5
wolfcrypt/src/port/nxp/ksdk_port.c
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@@ -567,13 +567,14 @@ int mp_prime_is_prime_ex(mp_int* a, int t, int* result, WC_RNG* rng)
res = MEMORY_E; res = MEMORY_E;
} }
if (res == MP_OKAY) {
#ifndef WC_NO_RNG #ifndef WC_NO_RNG
if (res == MP_OKAY && rng != NULL) { /* A NULL rng will return as bad function arg */
res = wc_RNG_GenerateBlock(rng, ptrB, sizeB); res = wc_RNG_GenerateBlock(rng, ptrB, sizeB);
}
#else #else
res = NOT_COMPILED_IN; res = NOT_COMPILED_IN;
#endif #endif
}
if (res == MP_OKAY) { if (res == MP_OKAY) {
res = ltc_get_lsb_bin_from_mp_int(ptrA, a, &sizeA); res = ltc_get_lsb_bin_from_mp_int(ptrA, a, &sizeA);