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Check return from BN_set_word.

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In ssl/t1_lib.c.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6613)
This commit is contained in:
Pauli 2018-06-29 09:55:23 +10:00
parent 10c3c1c1ec
commit 8eab767a71
1 changed files with 6 additions and 3 deletions
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9
ssl/t1_lib.c
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@ -2309,13 +2309,16 @@ DH *ssl_get_auto_dh(SSL *s)
if (dhp == NULL) if (dhp == NULL)
return NULL; return NULL;
g = BN_new(); g = BN_new();
if (g != NULL) if (g == NULL || !BN_set_word(g, 2)) {
BN_set_word(g, 2); DH_free(dhp);
BN_free(g);
return NULL;
}
if (dh_secbits >= 192) if (dh_secbits >= 192)
p = BN_get_rfc3526_prime_8192(NULL); p = BN_get_rfc3526_prime_8192(NULL);
else else
p = BN_get_rfc3526_prime_3072(NULL); p = BN_get_rfc3526_prime_3072(NULL);
if (p == NULL || g == NULL || !DH_set0_pqg(dhp, p, NULL, g)) { if (p == NULL || !DH_set0_pqg(dhp, p, NULL, g)) {
DH_free(dhp); DH_free(dhp);
BN_free(p); BN_free(p);
BN_free(g); BN_free(g);