wolfSSL/wolfssl
1
0
Fork 1
mirror of https://github.com/wolfSSL/wolfssl.git synced 2025-07-30 02:37:28 +02:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #3601 from tmael/mp_rand_p

Browse Source 
Add parameter check in sp_rand_prime()
This commit is contained in:
David Garske
2020-12-30 08:20:18 -08:00
committed by GitHub
parent c482d16029 d366ca74af
commit 1b6a988dc0
2 changed files with 8 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
wolfcrypt/src/random.c
View File

@ -917,6 +917,9 @@ int wc_RNG_GenerateBlock(WC_RNG* rng, byte* output, word32 sz)
if (rng == NULL || output == NULL)
return BAD_FUNC_ARG;
if (sz == 0)
return 0;
#ifdef WOLF_CRYPTO_CB
if (rng->devId != INVALID_DEVID) {
ret = wc_CryptoCb_RandomBlock(rng, output, sz);

7
wolfcrypt/src/sp_int.c
View File

@ -9240,7 +9240,7 @@ int sp_div_2d(sp_int* a, int e, sp_int* r, sp_int* rem)
rem->used = (e + SP_WORD_SIZE - 1) >> SP_WORD_SHIFT;
e &= SP_WORD_MASK;
if (e > 0) {
rem->dp[rem->used - 1] &= (1 << e) - 1;
rem->dp[rem->used - 1] &= ((sp_int_digit)1 << e) - 1;
}
sp_clamp(rem);
}
@ -12979,10 +12979,13 @@ int sp_rand_prime(sp_int* r, int len, WC_RNG* rng, void* heap)
(void)heap;
if ((r == NULL) || (rng == NULL)) {
if ((r == NULL) || (rng == NULL) || len < 0 ) {
err = MP_VAL;
}
if (len == 0)
return MP_OKAY;
if (err == MP_OKAY) {
/* get type */
if (len < 0) {