#define BN_R_NOT_INITIALIZED 107
#define BN_R_NO_INVERSE 108
#define BN_R_P_IS_NOT_PRIME 112
+#define BN_R_TOO_LARGE 114
#define BN_R_TOO_MANY_ITERATIONS 113
#define BN_R_TOO_MANY_TEMPORARY_VARIABLES 109
{BN_R_NOT_INITIALIZED ,"not initialized"},
{BN_R_NO_INVERSE ,"no inverse"},
{BN_R_P_IS_NOT_PRIME ,"p is not prime"},
+{BN_R_TOO_LARGE ,"too large"},
{BN_R_TOO_MANY_ITERATIONS ,"too many iterations"},
{BN_R_TOO_MANY_TEMPORARY_VARIABLES ,"too many temporary variables"},
{0,NULL}
const BN_ULONG *B;
int i;
+ if (words > (INT_MAX/(4*BN_BITS2)))
+ {
+ BNerr(BN_F_BN_EXPAND_INTERNAL,BN_R_TOO_LARGE);
+ return NULL;
+ }
+
bn_check_top(b);
if (BN_get_flags(b,BN_FLG_STATIC_DATA))
{