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Contents
require 'aes'
require 'armor'
module CryptKeeper
module Provider
class AesNew
include CryptKeeper::Helper::DigestPassphrase
# Public: The encryption key
attr_accessor :key
# Public: Initializes the class
#
# options - A hash of options. :key and :salt are required
def initialize(options = {})
@key = digest_passphrase(options[:key], options[:salt])
end
# Public: Encrypt a string
#
# Note: nil and empty strings are not encryptable with AES.
# When they are encountered, the orignal value is returned.
# Otherwise, returns the encrypted string
#
# Returns a String
def encrypt(value)
AES.encrypt(value, key)
end
# Public: Decrypt a string
#
# Note: nil and empty strings are not encryptable with AES (and thus cannot be decrypted).
# When they are encountered, the orignal value is returned.
# Otherwise, returns the decrypted string
#
# Returns a String
def decrypt(value)
AES.decrypt(value, key)
end
# Public: Search for a record
#
# record - An ActiveRecord collection
# field - The field to search
# criteria - A string to search with
#
# Returns an Enumerable
def search(records, field, criteria)
records.select { |record| record[field] == criteria }
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems