class Crypto::Bcrypt::Password

• Crypto::Bcrypt::Password
• Reference
• Object

Overview

Generate, read and verify Crypto::Bcrypt hashes.

require "crypto/bcrypt/password"

password = Crypto::Bcrypt::Password.create("super secret", cost: 10)
# => $2a$10$rI4xRiuAN2fyiKwynO6PPuorfuoM4L2PVv6hlnVJEmNLjqcibAfHq

password.verify("wrong secret") # => false
password.verify("super secret") # => true

See Crypto::Bcrypt for hints to select the cost when generating hashes.

Defined in:

Constructors

• .create(password, cost = DEFAULT_COST) : self

  Hashes a password.

• .new(raw_hash : String)

  Loads a bcrypt hash.

Instance Method Summary

• #cost : Int32
• #digest : String
• #inspect(io : IO) : Nil

  Appends a String representation of this object which includes its class name, its object address and the values of all instance variables.

• #salt : String
• #to_s(io : IO) : Nil

  Appends a short String representation of this object which includes its class name and its object address.

• #verify(password : String) : Bool

  Verifies a password against the hash.

• #version : String

Constructor Detail

require "crypto/bcrypt/password"

password = Crypto::Bcrypt::Password.create("super secret", cost: 10)
# => $2a$10$rI4xRiuAN2fyiKwynO6PPuorfuoM4L2PVv6hlnVJEmNLjqcibAfHq

require "crypto/bcrypt/password"

password = Crypto::Bcrypt::Password.new("$2a$10$X6rw/jDiLBuzHV./JjBNXe8/Po4wTL0fhdDNdAdjcKN/Fup8tGCya")
password.version # => "2a"
password.salt    # => "X6rw/jDiLBuzHV./JjBNXe"
password.digest  # => "8/Po4wTL0fhdDNdAdjcKN/Fup8tGCya"

Instance Method Detail

class Person
  def initialize(@name : String, @age : Int32)
  end
end

Person.new("John", 32).inspect # => #<Person:0x10fd31f20 @name="John", @age=32>

class Person
  def initialize(@name : String, @age : Int32)
  end
end

Person.new("John", 32).to_s # => #<Person:0x10a199f20>

require "crypto/bcrypt/password"

password = Crypto::Bcrypt::Password.create("super secret")
password.verify("wrong secret") # => false
password.verify("super secret") # => true