Is this a secure way to generate passwords? SET /p password=Enter

Rehashing is considered absolutely bad idea for security reasons, mainly because you might create hash collision problems in the future.
For now sha512 is safe to hash collision but since we are going to have quantum computers in a matter of years expect troubles.

In any case, hashing a hash is considered unsafe and not recommended.

Adding: use HMAC instead or bcrypt since you are using php.

Just generate random passwords consisting of 4096 Unicode characters and store them in an encrypted text file

date | md5sum

>>61692105

#!/bin/bash

if [ $# -ne 2 ]
then
  echo "This script needs exactly 2 command-line arguments!"
  exit 1
fi

echo $(echo -n "$1@$2" | sha3sum -a 512 | xxd -r -p | base64 -w0)

This is how I create my passwords, I would use pbkdf2 with sha3 and with like 2^16 iterations if it was easier to.

>>61692299
>Rehashing is considered absolutely bad idea for security reasons
Bullshit

>mainly because you might create hash collision problems in the future.
Wut

>For now sha512 is safe to hash collision
What the fuck is this supposed to mean?

>but since we are going to have quantum computers in a matter of years expect troubles.
Quantum computers won't magically break sha512.

>In any case, hashing a hash is considered unsafe and not recommended.
Yeah, no.

>>61692386
I would suggest to just take 512 bits from urandom and convert them to base64, however it would be somewhat difficult to keep that in your mind.

>and store them in an encrypted text file
You would need a way to encrypt that file.

>>61692105
I just smack my head onto the keyboard while tapping Shift spastically

You want a password manager.

>>61692105
>php.exe

LOL

KeePass + SyncThing has done great for me. ¯\_(ツ)_/¯.

generate a passage from the bible like Terry does with gw. get the first word and the last. example king + tithe. make your own password out of that. e.g. k1nGt1th3