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Check return value of mp_grow in mp_mod_2d

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ZD13048
This commit is contained in:
Guido Vranken
2021-10-10 21:02:03 +02:00
parent f757318eeb
commit 0522e19fc1
1 changed files with 3 additions and 1 deletions
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4
wolfcrypt/src/integer.c
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@@ -690,7 +690,9 @@ int mp_mod_2d (mp_int * a, int b, mp_int * c)
mp_digit carry = 0; mp_digit carry = 0;
/* grow result to size of modulus */ /* grow result to size of modulus */
mp_grow(c, bmax); if ((res = mp_grow(c, bmax)) != MP_OKAY) {
return res;
}
/* negate value */ /* negate value */
for (x = 0; x < c->used; x++) { for (x = 0; x < c->used; x++) {
mp_digit next = c->dp[x] > 0; mp_digit next = c->dp[x] > 0;