Class: Chef::EncryptedDataBagItem::Decryptor::Version0Decryptor

Inherits:
Object
  • Object
show all
Defined in:
lib/chef/encrypted_data_bag_item.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(encrypted_data, key) ⇒ Version0Decryptor

Returns a new instance of Version0Decryptor.



319
320
321
322
 
# File 'lib/chef/encrypted_data_bag_item.rb', line 319

def initialize(encrypted_data, key)
  @encrypted_data = encrypted_data
  @key = key
end

Instance Attribute Details

#encrypted_data ⇒ Object (readonly)

Returns the value of attribute encrypted_data.



316
317
318
 
# File 'lib/chef/encrypted_data_bag_item.rb', line 316

def encrypted_data
  @encrypted_data
end

#key ⇒ Object (readonly)

Returns the value of attribute key.



317
318
319
 
# File 'lib/chef/encrypted_data_bag_item.rb', line 317

def key
  @key
end

Instance Method Details

#decrypted_data ⇒ Object 



328
329
330
331
332
333
334
335
 
# File 'lib/chef/encrypted_data_bag_item.rb', line 328

def decrypted_data
  @decrypted_data ||= begin
    plaintext = openssl_decryptor.update(encrypted_bytes)
    plaintext << openssl_decryptor.final
  rescue OpenSSL::Cipher::CipherError => e
    raise DecryptionFailure, "Error decrypting data bag value: '#{e.message}'. Most likely the provided key is incorrect"
  end
end

#encrypted_bytes ⇒ Object 



337
338
339
 
# File 'lib/chef/encrypted_data_bag_item.rb', line 337

def encrypted_bytes
  Base64.decode64(@encrypted_data)
end

#for_decrypted_item ⇒ Object 



324
325
326
 
# File 'lib/chef/encrypted_data_bag_item.rb', line 324

def for_decrypted_item
  YAML.load(decrypted_data)
end

#openssl_decryptor ⇒ Object 



341
342
343
344
345
346
347
348
 
# File 'lib/chef/encrypted_data_bag_item.rb', line 341

def openssl_decryptor
  @openssl_decryptor ||= begin
    d = OpenSSL::Cipher::Cipher.new(ALGORITHM)
    d.decrypt
    d.pkcs5_keyivgen(key)
    d
  end
end