Top "Sha" questions

SHA (Secure Hash Algorithm) is a family of digest algorithms (i.e. cryptographic hashes), i.e. checksum functions that are hard to forge.

php mysqli_connect: authentication method unknown to the client [caching_sha2_password]

I am using php mysqli_connect for login to a MySQL database (all on localhost) <?php //DEFINE ('DB_USER', …

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Is it possible to decrypt SHA1

Is it possible to decrypt(retain the actual string) the password which is saved in db using SHA1 algorithm. Example:…

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How long to brute force a salted SHA-512 hash? (salt provided)

Here is an algorithm in Java: public String getHash(String password, String salt) throws Exception { String input = password + salt; MessageDigest …

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Is it safe to ignore the possibility of SHA collisions in practice?

Let's say we have a billion unique images, one megabyte each. We calculate the SHA-256 hash for the contents of …

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Creating user with encrypted password in PostgreSQL

Is it possible to create a user in PostgreSQL without providing the plain text password (ideally, I would like to …

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Hashing in SHA512 using a salt? - Python

I have been looking through ths hashlib documentation but haven't found anything talking about using salt when hashing data. Help …

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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given codebase?

If you're going to build, say, a directory structure where a directory is named for a commit in a Git …

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How can I calculate the SHA-256 hash of a string in Android?

I'm trying to get the SHA256 of a string in Android. Here is the PHP code that I want to …

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sha256 function in SQL Server

Is there a built-in sha256 function in SQL Server? I can't find a sha256 T-SQL function source code either. Anyone …

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SHA1 VS RSA: what's the difference between them?

What are the differences between SHA1 and RSA? Are they just different algorithms or are they fundamentally (i.e. used …

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