Safely encrypt or decrypt text value (string)
So, i learned that new in PHP 5.5 is password-hash() which works much like crypt(). Which is more secure (slower) than md5() or sha1(). The result string is algo+hash+salt, which can be passed as-is to password-verify() to verify password. So far i get how it works.... To be able to apply a proper salt to a password you need the original password and not the hash and since there is no way to get the original password from the hash the only way of adding a salt
hash password_hash equivalent for php 5.4? - Stack Overflow
Understanding bcrypt salt as used by PHP password_hash. Ask Question up vote 5 down vote favorite. 3. I have some trouble to understand how bcrypt uses the salt. I know what the salt is good for but I do not understand how the salt value is used exactly. Problem 1: What is the correct salt length? All sources I found say, that the salt has a length of 22 and that it is stored together with the... 12/02/2008 · This tutorial shows the principle of using a salt in order to secure your password hashes. It’s written with my scripting-language of choice which is PHP, but the principle is the same with whatever server-language you might be using.
PHP crypt() Function W3Schools
When using password_hash() or crypt(), the return value includes the salt as part of the generated hash. This value should be stored verbatim in your database, as it includes information about the hash function that was used and can then be given directly to password_verify() or crypt() when verifying passwords. how to find optical drive on imac example_hashes [hashcat wiki] 1 10
Is it possible to get the salt if I have the hash and
The password_hash function will create the hashed password from a string. It takes three parameters: The first is the string to hash, second is the algorithm you want to use to hash the password how to get to winton from sydney I was looking into password_hash() on PHP.net's manual and the reason I was reluctant to use that right away was because I want to store the salt in the database. From the looks of it, password_hash() returns the salt used, but how exactly would that salt be stored then?
How long can it take?
PHP Password Hashing A Dead Simple Implementation
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How To Get The Salt From Password_hash Php
16/09/2013 · Hashing Passwords with the PHP 5.5 Password Hashing API. Using bcrypt is the currently accepted best practice for hashing passwords, but a large …
- 3/04/2013 · If an attacker able to crack the hash (hashing algorithm) salting will have no use. they can easily figure out the pass from that. salt is used so that two same password in server (same or different) never will look same when they have hashed. you can use crypt() which supports sha256,sha512 and blowfish (recommended). it also supports iteration which will make it more secure. the longer the
- Yes you understood it correctly, the function password_hash() will generate a salt on its own, and includes it in the resulting hash-value. Storing the salt in the database is absolutely correct, it does its job even if known.
- The PHP community owes Anthony a debt of gratitude for making password hash security so ridiculously simple. Seriously, if I can grok it, you know it’s idiot proof :-) Without Anthony’s hard work (and PHP core’s unanimous ‘Yes’ votes , and the password-compat contributors ), my small contribution wouldn’t have been possible.
- Using your own salt is not recommended and, as of PHP 7, its use is deprecated. To understand why, read the author's thoughts. One thing has become abundantly clear to me: the salt option is dangerous.