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Merge pull request #3192 from ethanlooney/21st_branch 

Added check for wolfmath.c for digits == 0 and test for api.c
pull/3211/head
Chris Conlon 2020-08-05 09:51:51 -06:00 committed by GitHub
parent 1034139214 42856287ee
commit d12b80abdf
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2 changed files with 7 additions and 1 deletions
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6
tests/api.c
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@ -33914,6 +33914,12 @@ static int test_mp_rand (void)
ret = 0; ret = 0;
} }
} }
if (ret == 0) {
ret = mp_rand(&a, 0, &rng);
if (ret == BAD_FUNC_ARG) {
ret = 0;
}
}
if (ret == 0) { if (ret == 0) {
ret = mp_rand(&a, digits, &rng); ret = mp_rand(&a, digits, &rng);
} }

2
wolfcrypt/src/wolfmath.c
View File

@ -146,7 +146,7 @@ int mp_rand(mp_int* a, int digits, WC_RNG* rng)
if (rng == NULL) { if (rng == NULL) {
ret = MISSING_RNG_E; ret = MISSING_RNG_E;
} }
else if (a == NULL) { else if (a == NULL || digits == 0) {
ret = BAD_FUNC_ARG; ret = BAD_FUNC_ARG;
} }