diff options
Diffstat (limited to 'src/math/mp/mp_karat.cpp')
| -rw-r--r-- | src/math/mp/mp_karat.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/math/mp/mp_karat.cpp b/src/math/mp/mp_karat.cpp index 945b3b61a..b25d60637 100644 --- a/src/math/mp/mp_karat.cpp +++ b/src/math/mp/mp_karat.cpp @@ -7,6 +7,7 @@ #include <botan/internal/mp_core.h> #include <botan/internal/mp_asmi.h> +#include <botan/internal/assert.h> #include <botan/mem_ops.h> namespace Botan { @@ -249,6 +250,8 @@ void bigint_mul(word z[], size_t z_size, word workspace[], const word x[], size_t x_size, size_t x_sw, const word y[], size_t y_size, size_t y_sw) { + BOTAN_ASSERT(z_size > x_sw && z_size > y_sw && z_size - x_sw >= y_sw, "Sufficient output size"); + if(x_sw == 1) { bigint_linmul3(z, y, y_sw, x[0]); @@ -303,6 +306,8 @@ void bigint_mul(word z[], size_t z_size, word workspace[], void bigint_sqr(word z[], size_t z_size, word workspace[], const word x[], size_t x_size, size_t x_sw) { + BOTAN_ASSERT(z_size/2 >= x_sw, "Sufficient output size"); + if(x_sw == 1) { bigint_linmul3(z, x, x_sw, x[0]); |