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[ticket/9612] Introduce new function gen_rand_string_friendly().

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Introduce new function gen_rand_string_friendly() for user friendly random
strings like passwords and captcha codes. Strings generated by
gen_rand_string_friendly() will not contain the characters 0 and O.

By adding a new function we can increase the entropy of strings
generated by gen_rand_string() by putting 0 and O back in.

PHPBB3-9612
This commit is contained in:
Andreas Fischer
2010-05-17 09:40:32 +02:00
parent af21e38c1d
commit c2b29c317f
3 changed files with 22 additions and 5 deletions
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2
phpBB/includes/ucp/ucp_remind.php
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@@ -79,7 +79,7 @@ class ucp_remind
// Make password at least 8 characters long, make it longer if admin wants to.
// gen_rand_string() however has a limit of 12 or 13.
$user_password = gen_rand_string(max(8, rand((int) $config['min_pass_chars'], (int) $config['max_pass_chars'])));
$user_password = gen_rand_string_friendly(max(8, mt_rand((int) $config['min_pass_chars'], (int) $config['max_pass_chars'])));
// For the activation key a random length between 6 and 10 will do.
$user_actkey = gen_rand_string(mt_rand(6, 10));