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pgcrypto update:

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Reserve px_get_random_bytes() for strong randomness,
add new function px_get_pseudo_random_bytes() for
weak randomness and use it in gen_salt().

On openssl case, use RAND_pseudo_bytes() for
px_get_pseudo_random_bytes().

Final result is that is user has not configured random
souce but kept the 'silly' one, gen_salt() keeps
working, but pgp_encrypt() will throw error.

Marko Kreen
This commit is contained in:
Neil Conway
2005-03-21 05:22:14 +00:00
parent 1ea9169b42
commit 19b676869a
4 changed files with 48 additions and 16 deletions
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4
contrib/pgcrypto/px-crypt.c
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@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $PostgreSQL: pgsql/contrib/pgcrypto/px-crypt.c,v 1.10 2005/03/21 05:19:55 neilc Exp $
* $PostgreSQL: pgsql/contrib/pgcrypto/px-crypt.c,v 1.11 2005/03/21 05:22:14 neilc Exp $
*/
#include <postgres.h>
@ -171,7 +171,7 @@ px_gen_salt(const char *salt_type, char *buf, int rounds)
return PXE_BAD_SALT_ROUNDS;
}
res = px_get_random_bytes(rbuf, g->input_len);
res = px_get_pseudo_random_bytes(rbuf, g->input_len);
if (res < 0)
return res;