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sp_int: When setting digit of 0, set used to 0

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This commit is contained in:
Sean Parkinson
2019-11-26 09:55:17 +10:00
parent 2ac0ac8776
commit dadbeff433
1 changed files with 8 additions and 2 deletions
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10
wolfcrypt/src/sp_int.c
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@ -420,8 +420,14 @@ int sp_init_copy (sp_int * a, sp_int * b)
*/ */
int sp_set(sp_int* a, sp_int_digit d) int sp_set(sp_int* a, sp_int_digit d)
{ {
a->dp[0] = d; if (d == 0) {
a->used = 1; a->dp[0] = d;
a->used = 0;
}
else {
a->dp[0] = d;
a->used = 1;
}
return MP_OKAY; return MP_OKAY;
} }