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Merge pull request #1140 from JacobBarthelmeh/RSA-fix

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account for 8k keys with MySQL compatibility
This commit is contained in:
dgarske
2017-09-20 10:05:32 -07:00
committed by GitHub
parent 28c15bed1c 1b3a8f40b8
commit 5e6213bfa1
2 changed files with 9 additions and 1 deletions
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2
wolfcrypt/src/integer.c
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@@ -1043,7 +1043,7 @@ top:
/* if not zero goto step 4 */
if (mp_iszero (&u) == MP_NO) {
if (++loop_check > 4096) {
if (++loop_check > MAX_INVMOD_SZ) {
res = MP_VAL;
goto LBL_ERR;
}

8
wolfssl/wolfcrypt/integer.h
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@@ -230,6 +230,14 @@ typedef int ltm_prime_callback(unsigned char *dst, int len, void *dat);
#define PRIME_SIZE 256
#endif
#ifndef MAX_INVMOD_SZ
#if defined(WOLFSSL_MYSQL_COMPATIBLE)
#define MAX_INVMOD_SZ 8192
#else
#define MAX_INVMOD_SZ 4096
#endif
#endif
#define mp_prime_random(a, t, size, bbs, cb, dat) \
mp_prime_random_ex(a, t, ((size) * 8) + 1, (bbs==1)?LTM_PRIME_BBS:0, cb, dat)