diff options
Diffstat (limited to 'curve448-mul.c')
| -rw-r--r-- | curve448-mul.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/curve448-mul.c b/curve448-mul.c index afa814a4..59cf7664 100644 --- a/curve448-mul.c +++ b/curve448-mul.c @@ -34,6 +34,7 @@ # include "config.h" #endif +#include <assert.h> #include <string.h> #include "curve448.h" @@ -72,7 +73,8 @@ curve448_mul (uint8_t *q, const uint8_t *n, const uint8_t *p) #define a24 39081 - itch = ecc->p.size * 14; + itch = ecc->p.size * 12; + assert (ecc->p.invert_itch + 5*ecc->p.size <= itch); scratch = gmp_alloc_limbs (itch); /* Note that 255 % GMP_NUMB_BITS == 0 isn't supported, so x1 always |