#include <openssl/bn.h>
#include "fuzzer.h"
+int FuzzerInitialize(int *argc, char ***argv) {
+ return 1;
+}
+
int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
- int success = 0;
static BN_CTX *ctx;
- static BN_MONT_CTX *mont;
static BIGNUM *b1;
static BIGNUM *b2;
static BIGNUM *b3;
static BIGNUM *b4;
static BIGNUM *b5;
+ int success = 0;
+ size_t l1 = 0, l2 = 0, l3 = 0;
+ int s1 = 0, s2 = 0, s3 = 0;
if (ctx == NULL) {
b1 = BN_new();
b4 = BN_new();
b5 = BN_new();
ctx = BN_CTX_new();
- mont = BN_MONT_CTX_new();
}
- // Divide the input into three parts, using the values of the first two
- // bytes to choose lengths, which generate b1, b2 and b3. Use three bits
- // of the third byte to choose signs for the three numbers.
- size_t l1 = 0, l2 = 0, l3 = 0;
- int s1 = 0, s2 = 0, s3 = 0;
+ /* Divide the input into three parts, using the values of the first two
+ * bytes to choose lengths, which generate b1, b2 and b3. Use three bits
+ * of the third byte to choose signs for the three numbers.
+ */
if (len > 2) {
len -= 3;
l1 = (buf[0] * len) / 255;
OPENSSL_assert(BN_bin2bn(buf + l1 + l2, l3, b3) == b3);
BN_set_negative(b3, s3);
- // mod 0 is undefined
+ /* mod 0 is undefined */
if (BN_is_zero(b3)) {
success = 1;
goto done;