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php Programming Glossary: collisionSerialize/unserialize PHP object-graph to JSON (solved) http://stackoverflow.com/questions/10489876/serialize-unserialize-php-object-graph-to-json-solved is the magic #type property prefixed with # to prevent collision with property names and the #hash type used to distinguish array..
http://stackoverflow.com/questions/1448455/php-api-key-generator for self provisioned system. You don't have to worry about collision and inappropriate keys. You have to check database to know if..
How to hash long passwords (>72 characters) with blowfish http://stackoverflow.com/questions/16594613/how-to-hash-long-passwords-72-characters-with-blowfish to win the Powerball lottery 21 times than to have this collision... That's how big of a number we're talking about. But we may.. hash2 value can expose significant vulnerabilities around collision resistance and preimage attacks . Considering that you're already..
Best practices for email confirmation codes http://stackoverflow.com/questions/2033315/best-practices-for-email-confirmation-codes is this secure enough And what about the possibility of collisions And I also need to generate codes for password reset etc. If.. for password reset etc. If I used a similar methodology a collision could result in one user inadvertently resetting another user's..
http://stackoverflow.com/questions/254514/php-and-enumerations Constants do the trick but there's the namespace collision problem and or actually because they're global. Arrays don't..
Generate unique random alphanumeric characters that are 7 characters long http://stackoverflow.com/questions/2799495/generate-unique-random-alphanumeric-characters-that-are-7-characters-long be random. Therefore your best bet would be to detect collisions and just retry which could be very expensive in your particular.. that the sequence space is larger hence there will be less collisions. You can pick the size of the hash function according to the.. you will generate in the future to guarantee a low collision probability and thus less calls to the possibly expensive already_exists..
Hash Collision - what are the chances? http://stackoverflow.com/questions/297960/hash-collision-what-are-the-chances match records in the database. What are the chances of a collision Should I generate the hash then check first if it's in the database.. to be fairly good so I don't think you need to worry about collisions at all. As a side note use PHP's raw_output feature when you.. entries has a chance of about 1 in 0.0000000000003 of a collision. Really not worth worrying about. share improve this answer..
http://stackoverflow.com/questions/307486/short-unique-id-in-php will not be that many up to 10000 or so the risk of collision isn't a huge factor. Any suggestions appreciated. php uniqueidentifier.. of items because this could get pretty slow the more collisions you get getting an ID already in the table . Of course you'll.. want to tweak the number of letters in the ID to avoid collision. In this case with 6 letters you'd have 26^6 308915776 possible..
http://stackoverflow.com/questions/3384204/what-are-namespaces different parts of the same program without causing a name collision. In simple terms think of a namespace as a person's surname.. With namespaces we can avoid the headache of naming collisions when mixing third party code with our own projects. share..
PHP - Preventing collision in Cron - File lock safe? http://stackoverflow.com/questions/5428631/php-preventing-collision-in-cron-file-lock-safe Preventing collision in Cron File lock safe I'm trying to find a safe way to prevent.. safe I'm trying to find a safe way to prevent a cron job collision ie. prevent it from running if another instance is already running.. lock remain Are there other ways of doing this php cron collision share improve this question This sample was taken at http..
How can we create a fairly secure password hash in PHP? http://stackoverflow.com/questions/6340105/how-can-we-create-a-fairly-secure-password-hash-in-php salt per password. Do NOT rehash an unmodified hash collision issue see my previous answer you need infinite input for hashing..
is there a way to reverse a hash without rainbow tables? [duplicate] http://stackoverflow.com/questions/7523625/is-there-a-way-to-reverse-a-hash-without-rainbow-tables that nobody needs to reverse it. They just need to find a collision. Basically a collision is two inputs that lead to the same output... it. They just need to find a collision. Basically a collision is two inputs that lead to the same output. So if hash a x and.. the same output. So if hash a x and hash b x a and b are collisions of each other. So all we need to do is find a collision which..
How to generate a secure activation string in php? http://stackoverflow.com/questions/876139/how-to-generate-a-secure-activation-string-in-php sha1 mt_rand 10000 99999 .time . email The chance of collision is small but I recommend checking your database first before..
php Post limited to 1000 variables http://stackoverflow.com/questions/9505192/php-post-limited-to-1000-variables max_input_vars 1000 Introduced in order to prevent hash collision attack http www.phpclasses.org blog post 171 PHP Vulnerability..
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