php Programming Glossary: cryptographic

http://stackoverflow.com/questions/1182584/secure-random-number-generation-in-php

a new random password and e mail it to him. This requires cryptographically unpredictable random numbers for which mt_rand is not good.. will provide access to the operating system to install a cryptographic random number module etc. so I'm looking for a way to generate.. Seecof If you need some pseudorandom bits for security or cryptographic purposes e.g.g. random IV for block cipher random salt for password..

Secure login with proper authentication in PHP

http://stackoverflow.com/questions/1363833/secure-login-with-proper-authentication-in-php

to anyone who hacks around them. Proper form is to use a cryptographic hash function to process the password when it is chosen and..

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

We're kind of forced to use MD5 here since it's the only cryptographic primitive available in all versions of PHP currently in use...

Which PHP mcrypt cipher is safest?

http://stackoverflow.com/questions/2809855/which-php-mcrypt-cipher-is-safest

than AES. Most security issues come from how the cryptographic algorithm is used not the algorithm itself. Use a proper chaining..

Salting my hashes with PHP and MySQL

http://stackoverflow.com/questions/3273293/salting-my-hashes-with-php-and-mysql

all your DBMS MySQL does not need to have any support for cryptographic hashes. You can do all of that on the PHP side and that's also..

Rewrite Rijndael 256 C# Encryption Code in PHP

http://stackoverflow.com/questions/3505453/rewrite-rijndael-256-c-sharp-encryption-code-in-php

data. MemoryStream memoryStream new MemoryStream Define cryptographic stream always use Write mode for encryption . CryptoStream cryptoStream..

Fastest hash for non-cryptographic uses?

http://stackoverflow.com/questions/3665247/fastest-hash-for-non-cryptographic-uses

hash for non cryptographic uses I'm essentially preparing phrases to be put into the database..

Problem with AES-256 between Java and PHP

http://stackoverflow.com/questions/4537099/problem-with-aes-256-between-java-and-php

of the nature of the arbitrary binary data produced by cryptographic transforms output cipher.doFinal Base64.decodeBase64 input return..

Phpass - danger of not being able to access all passwords?

http://stackoverflow.com/questions/6465063/phpass-danger-of-not-being-able-to-access-all-passwords

password is because of one significant property of a good cryptographic hash functions 𦤹t is infeasible to generate a message that has..

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

but it is susceptible to brute forcing. The reason is that cryptographic hash functions such as sha1 md5 sha256 etc are designed to be..

What's the disadvantage of mt_rand?

http://stackoverflow.com/questions/7808021/whats-the-disadvantage-of-mt-rand

when coding in php. However mt_rand is not suitable for cryptographic purposes generation of tokens passwords or cryptographic keys.. cryptographic purposes generation of tokens passwords or cryptographic keys either. If you need cryptographic randomness use openssl_random_pseudo_bytes.. tokens passwords or cryptographic keys either. If you need cryptographic randomness use openssl_random_pseudo_bytes . You can use the..

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

name that does the exact same thing. It computes a cryptographic hash of the input. So now we have the question When storing..