create a password in ruby

To generate a secure password in Ruby, we can make use of the bcrypt gem which allows us to easily encrypt and verify passwords.

Here's an example of how to create a hashed password using bcrypt:

main.rb
require 'bcrypt'

password = "my_password"

# Hashing a password
hashed_password = BCrypt::Password.create(password)

# Storing @hashed_password in a database

# Verifying a password
if BCrypt::Password.new(hashed_password) == password
  puts "Password is correct"
else
  puts "Password is incorrect"
end
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In this example, we first require the bcrypt gem. We then create a plaintext password, and use the create method of BCrypt::Password to generate a hashed password. We can then store this hashed password in a database (not shown in the example).

To verify a password, we use the BCrypt::Password.new method to create a new BCrypt::Password object from the hashed password, and then compare it to the plaintext password using the == operator.

By using bcrypt we are increasing the security of our passwords, as bcrypt uses a salted hash which makes it much harder for hackers to crack the password.