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Merge pull request #265 from toddouska/cov-tfm

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fix coverity report for fp_mont reduce where m is half max size, not …
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Chris Conlon
2016-01-19 10:30:09 -07:00
parent a7bac3ae9b 8e97145682
commit 04a1bf0086
1 changed files with 2 additions and 2 deletions
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wolfcrypt/src/tfm.c
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@ -1587,7 +1587,7 @@ static INLINE void innermul8_mulx(fp_digit *c_mulx, fp_digit *cy_mulx, fp_digit
/* computes x/R == x (mod N) via Montgomery Reduction */ /* computes x/R == x (mod N) via Montgomery Reduction */
static void fp_montgomery_reduce_mulx(fp_int *a, fp_int *m, fp_digit mp) static void fp_montgomery_reduce_mulx(fp_int *a, fp_int *m, fp_digit mp)
{ {
fp_digit c[FP_SIZE], *_c, *tmpm, mu = 0; fp_digit c[FP_SIZE+1], *_c, *tmpm, mu = 0;
int oldused, x, y, pa; int oldused, x, y, pa;
/* bail if too large */ /* bail if too large */
@ -1664,7 +1664,7 @@ static void fp_montgomery_reduce_mulx(fp_int *a, fp_int *m, fp_digit mp)
/* computes x/R == x (mod N) via Montgomery Reduction */ /* computes x/R == x (mod N) via Montgomery Reduction */
void fp_montgomery_reduce(fp_int *a, fp_int *m, fp_digit mp) void fp_montgomery_reduce(fp_int *a, fp_int *m, fp_digit mp)
{ {
fp_digit c[FP_SIZE], *_c, *tmpm, mu = 0; fp_digit c[FP_SIZE+1], *_c, *tmpm, mu = 0;
int oldused, x, y, pa; int oldused, x, y, pa;
IF_HAVE_INTEL_MULX(fp_montgomery_reduce_mulx(a, m, mp), return) ; IF_HAVE_INTEL_MULX(fp_montgomery_reduce_mulx(a, m, mp), return) ;