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Merge pull request #5044 from SparkiDev/sp_read_radix_10_oob

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SP Math
This commit is contained in:
David Garske
2022-04-26 16:21:11 -07:00
committed by GitHub
parent a6d019ecf9 55e13d40b3
commit 25e8bd6b45
1 changed files with 9 additions and 4 deletions
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11
wolfcrypt/src/sp_int.c
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@@ -5237,13 +5237,15 @@ static int _sp_add_d(sp_int* a, sp_int_digit d, sp_int* r)
} }
} }
if (i == a->used) { if (i == a->used) {
if (i < r->size) {
r->used++; r->used++;
if (i < r->size)
r->dp[i] = 1; r->dp[i] = 1;
else }
else {
err = MP_VAL; err = MP_VAL;
} }
} }
}
if (err == MP_OKAY) { if (err == MP_OKAY) {
r->dp[0] = t; r->dp[0] = t;
if (r != a) { if (r != a) {
@@ -14907,7 +14909,10 @@ static int _sp_read_radix_10(sp_int* a, const char* in)
if (err != MP_OKAY) { if (err != MP_OKAY) {
break; break;
} }
(void)_sp_add_d(a, ch, a); err = _sp_add_d(a, ch, a);
if (err != MP_OKAY) {
break;
}
} }
#ifdef WOLFSSL_SP_INT_NEGATIVE #ifdef WOLFSSL_SP_INT_NEGATIVE
if ((err == MP_OKAY) && sp_iszero(a)) { if ((err == MP_OKAY) && sp_iszero(a)) {