Search results for: "custom hash function"

What are the advantages and disadvantages of using hash values in PHP for URL shortening purposes?

Using hash values in PHP for URL shortening purposes can provide a unique and compact way to represent long URLs. This can help save space in database...

Is there a significant difference between using hash() and crypt() for password encryption in PHP?

When it comes to password encryption in PHP, using crypt() is generally considered more secure than hash(). Crypt() allows for the use of different ha...

How can PHP be used to generate an MD5 hash of form input without compromising security?

When generating an MD5 hash of form input in PHP, it is important to sanitize and validate the input data to prevent any security vulnerabilities. One...

How can old MD5 passwords be securely rehashed using PHP's PASSWORD_DEFAULT hash?

When transitioning from using old MD5 passwords to PHP's PASSWORD_DEFAULT hash for better security, it is important to rehash the old MD5 passwords se...

What are the differences between generating a sha512 hash in Lua compared to PHP, and how can they be reconciled?

The main difference between generating a sha512 hash in Lua and PHP is the way they handle input data. Lua's built-in SHA-2 hashing functions do not s...