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php Programming Glossary: sha512Secure random number generation in PHP http://stackoverflow.com/questions/1182584/secure-random-number-generation-in-php an initial seed then for each call result seed seed sha512 seed . mt_rand This is based on the security of the sha512 hash.. sha512 seed . mt_rand This is based on the security of the sha512 hash function the mt_rand call is just to make life a little..
Migrating legacy users to symfony2 http://stackoverflow.com/questions/12005004/migrating-legacy-users-to-symfony2 encoders FOS UserBundle Model UserInterface sha512 legacy_encoder id acme.legacy_encoder 5. Implement the encoder..
Is this a good hashing password function in PHP? If not, why not? http://stackoverflow.com/questions/16042128/is-this-a-good-hashing-password-function-in-php-if-not-why-not also take stronger primitives. So we can use pbkdf2 with sha512 to gain a very significant advantage over the phpass algorithm.. advantage over the phpass algorithm mainly because sha512 is a harder algorithm with more computation than md5 . This..
Historical security flaws of popular PHP CMS's? http://stackoverflow.com/questions/2951917/historical-security-flaws-of-popular-php-cmss because of rainbow tables even if the hash is not md5 but sha512 for example . Second idea add a unique random salt before hashing..
Salting my hashes with PHP and MySQL http://stackoverflow.com/questions/3273293/salting-my-hashes-with-php-and-mysql measures here too concatenate hash with salt user_password sha512 password . salt . salt Now if you want to verify a password.. user_password 4 hash substr user_password 0 4 verify if sha512 password . salt hash echo 'match' You might want to take a look..
Many hash iterations: append salt every time? http://stackoverflow.com/questions/3559437/many-hash-iterations-append-salt-every-time secure as time goes by I decided to switch to a salted sha512. Furthermore I want to slow the generation of the hash down.. function which were way faster than simply executing sha512 100 times php security passwords cryptography share improve..
How insecure is a salted SHA1 compared to a salted SHA512 http://stackoverflow.com/questions/3740443/how-insecure-is-a-salted-sha1-compared-to-a-salted-sha512 the past I've always used SHA512. php security hash sha1 sha512 share improve this question The currently known weaknesses..
Password security: sha1, sha256 or sha512 http://stackoverflow.com/questions/3897434/password-security-sha1-sha256-or-sha512 security sha1 sha256 or sha512 After knowing that hashing a password is my choice for making.. a login form. Now I am facing another issue sha1 sha256 or sha512 This is a standard method using salt I think I got it from a.. hash 'sha256' usr_password What is 'sha256' or 'sha512' which I found here Can I put anything instead like '@123' Why..
PHP Session Fixation / Hijacking http://stackoverflow.com/questions/5081025/php-session-fixation-hijacking to session.hash_function sha256 or session.hash_function sha512 . Send a strong hash session.hash_bits_per_character in php.ini..
How do I create and store md5 passwords in mysql http://stackoverflow.com/questions/6781931/how-do-i-create-and-store-md5-passwords-in-mysql hashing method you could use for this try sha256 or sha512 That said lets use hash 'sha256' instead of md5 to represent..
Symfony2 create own encoder for storing password http://stackoverflow.com/questions/7878887/symfony2-create-own-encoder-for-storing-password sha1 salt . raw_password I've found various encoders sha1 sha512 plaintext I saw that with plaintext I have in my DB raw_password..
openssl_digest vs hash vs hash_hmac? Difference between SALT & HMAC? http://stackoverflow.com/questions/8952807/openssl-digest-vs-hash-vs-hash-hmac-difference-between-salt-hmac the hash function hash_password password salt hash hash sha512 password . salt for i 0 i 1000 i hash hash sha512 hash Surely.. hash sha512 password . salt for i 0 i 1000 i hash hash sha512 hash Surely that's good enough right Nope. As explained in.. use a very small amount of memory. In the case of sha512 they'll use on the order of 128 to 256 bytes buffers and state..
Improve password hashing with a random salt http://stackoverflow.com/questions/9420722/improve-password-hashing-with-a-random-salt md5 password is very unsecured. I'm considering using a sha512 password.salt and I have been researching the best way to generate..
hash() vs. crypt() function comparison http://stackoverflow.com/questions/10281373/hash-vs-crypt-function-comparison and a crypt function which seems to do the same valid for SHA512 . hash is newer and seems to support more hashing alogrithms.. the hashing scheme used. Even if you choose CRYPT_SHA512 this isn't plain SHA512. It's a key derivation function that.. used. Even if you choose CRYPT_SHA512 this isn't plain SHA512. It's a key derivation function that uses SHA512 as building..
Set up Apache for local development/testing? http://stackoverflow.com/questions/118423/set-up-apache-for-local-development-testing
Is this a good hashing password function in PHP? If not, why not? http://stackoverflow.com/questions/16042128/is-this-a-good-hashing-password-function-in-php-if-not-why-not a far larger internal state than a normal hash function. SHA512 uses a 512 bit internal state to compute against a block of.. fact that bcrypt 's internal state is so much bigger than SHA512 and md5 and phpass partially accounts for the stronger nature..
How to hash long passwords (>72 characters) with blowfish http://stackoverflow.com/questions/16594613/how-to-hash-long-passwords-72-characters-with-blowfish password. You could partially solve this by switching to SHA512 where you'd only reduce the available entropy by about 12 ... I'm assuming we're comparing to a pepper system which uses SHA512 with raw output not hex . High entropy random passwords These.. The break even occurs when you max out the 512 bits that SHA512 has. Therefore the peak is at 78 characters. Let me say that..
How insecure is a salted SHA1 compared to a salted SHA512 http://stackoverflow.com/questions/3740443/how-insecure-is-a-salted-sha1-compared-to-a-salted-sha512 insecure is a salted SHA1 compared to a salted SHA512 SHA512 is more complex than SHA1 but how much security am I.. insecure is a salted SHA1 compared to a salted SHA512 SHA512 is more complex than SHA1 but how much security am I losing.. I'm using a framework that doesn't give me easy access to SHA512 I'd have to override stuff to make it work so I'm thinking to..
What is the most secure hashing method? (PHP) http://stackoverflow.com/questions/4291862/what-is-the-most-secure-hashing-method-php secure hashing method PHP I have just noticed that I have SHA512 in my PHP installation. Is it more secure than SHA1 Is it the..
http://stackoverflow.com/questions/4983915/is-time-a-good-salt not written myself. The code tries to hash a password with SHA512 and uses just time as the salt. Is time too simple a salt for..
openssl_digest vs hash vs hash_hmac? Difference between SALT & HMAC? http://stackoverflow.com/questions/8952807/openssl-digest-vs-hash-vs-hash-hmac-difference-between-salt-hmac vs hash_hmac Difference between SALT HMAC I want to use SHA512 to store passwords. To do that which of openssl_digest hash.. read that HMAC is built on top of hash function. So is SHA512 SALT HMAC really necessary or SHA512 SALT or SHA512 HMAC php.. hash function. So is SHA512 SALT HMAC really necessary or SHA512 SALT or SHA512 HMAC php security passwords hash share improve..
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