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fp_prime_random_ex: make sure call-back function is not NULL

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This commit is contained in:
Steffen Jaeckel 2014-10-13 16:51:13 +02:00
parent fede300ee8
commit 3142b0bdfc
1 changed files with 1 additions and 1 deletions
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2
src/numtheory/fp_prime_random_ex.c
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@ -16,7 +16,7 @@ int fp_prime_random_ex(fp_int *a, int t, int size, int flags, tfm_prime_callback
int res, err, bsize, maskOR_msb_offset;
/* sanity check the input */
if (size <= 1 || t <= 0 || t > FP_PRIME_SIZE) {
if (size <= 1 || cb == NULL || t <= 0 || t > FP_PRIME_SIZE) {
return FP_VAL;
}