diff options
Diffstat (limited to 'src/lib/libcrypto/bn/bn_mul.c')
| -rw-r--r-- | src/lib/libcrypto/bn/bn_mul.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/lib/libcrypto/bn/bn_mul.c b/src/lib/libcrypto/bn/bn_mul.c index b848c8cc60..a0e9ec3b46 100644 --- a/src/lib/libcrypto/bn/bn_mul.c +++ b/src/lib/libcrypto/bn/bn_mul.c | |||
| @@ -1028,17 +1028,19 @@ int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) | |||
| 1028 | assert(j <= al || j <= bl); | 1028 | assert(j <= al || j <= bl); |
| 1029 | k = j+j; | 1029 | k = j+j; |
| 1030 | t = BN_CTX_get(ctx); | 1030 | t = BN_CTX_get(ctx); |
| 1031 | if (t == NULL) | ||
| 1032 | goto err; | ||
| 1031 | if (al > j || bl > j) | 1033 | if (al > j || bl > j) |
| 1032 | { | 1034 | { |
| 1033 | bn_wexpand(t,k*4); | 1035 | if (bn_wexpand(t,k*4) == NULL) goto err; |
| 1034 | bn_wexpand(rr,k*4); | 1036 | if (bn_wexpand(rr,k*4) == NULL) goto err; |
| 1035 | bn_mul_part_recursive(rr->d,a->d,b->d, | 1037 | bn_mul_part_recursive(rr->d,a->d,b->d, |
| 1036 | j,al-j,bl-j,t->d); | 1038 | j,al-j,bl-j,t->d); |
| 1037 | } | 1039 | } |
| 1038 | else /* al <= j || bl <= j */ | 1040 | else /* al <= j || bl <= j */ |
| 1039 | { | 1041 | { |
| 1040 | bn_wexpand(t,k*2); | 1042 | if (bn_wexpand(t,k*2) == NULL) goto err; |
| 1041 | bn_wexpand(rr,k*2); | 1043 | if (bn_wexpand(rr,k*2) == NULL) goto err; |
| 1042 | bn_mul_recursive(rr->d,a->d,b->d, | 1044 | bn_mul_recursive(rr->d,a->d,b->d, |
| 1043 | j,al-j,bl-j,t->d); | 1045 | j,al-j,bl-j,t->d); |
| 1044 | } | 1046 | } |