Class: Authlogic::CryptoProviders::Sha256::V2

Inherits:
Object
  • Object
show all
Defined in:
lib/authlogic/crypto_providers/sha256/v2.rb

Overview

Sha256

Uses the Sha256 hash algorithm to encrypt passwords.

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.join_token ⇒ Object

Returns the value of attribute join_token.



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# File 'lib/authlogic/crypto_providers/sha256/v2.rb', line 34

def join_token
  @join_token
end

.stretches ⇒ Object

The number of times to loop through the encryption.



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# File 'lib/authlogic/crypto_providers/sha256/v2.rb', line 37

def stretches
  @stretches ||= 20
end

Class Method Details

.encrypt(*tokens) ⇒ Object

Turns your raw password into a Sha256 hash.



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# File 'lib/authlogic/crypto_providers/sha256/v2.rb', line 43

def encrypt(*tokens)
  digest = tokens.flatten.join(join_token)
  stretches.times { digest = Digest::SHA256.digest(digest) }
  digest.unpack1("H*")
end

.matches?(crypted, *tokens) ⇒ Boolean

Does the crypted password match the tokens? Uses the same tokens that were used to encrypt.

Returns:

  • (Boolean) 


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# File 'lib/authlogic/crypto_providers/sha256/v2.rb', line 51

def matches?(crypted, *tokens)
  encrypt(*tokens) == crypted
end