Class: Eth::Key::Encrypter

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/eth/key/encrypter.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Utils

#base256_to_int, #bin_to_hex, #bin_to_prefixed_hex, #format_address, #hash160, #hex_to_bin, #int_to_base256, #keccak256, #keccak256_rlp, #keccak512, #normalize_address, #prefix_hex, #prefix_message, #public_key_to_address, #remove_hex_prefix, #ripemd160, #sha256, #v_r_s_for, #valid_address?, #zpad, #zpad_hex, #zpad_int, #zunpad

Constructor Details

#initialize(key, options = {}) ⇒ Encrypter

Returns a new instance of Encrypter.



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# File 'lib/eth/key/encrypter.rb', line 11

def initialize(key, options = {})
  @key = key
  @options = options
end

Class Method Details

.perform(key, password, options = {}) ⇒ Object 



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# File 'lib/eth/key/encrypter.rb', line 7

def self.perform(key, password, options = {})
  new(key, options).perform(password)
end

Instance Method Details

#data ⇒ Object 



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# File 'lib/eth/key/encrypter.rb', line 23

def data
  {
    crypto: {
      cipher: cipher_name,
      cipherparams: {
        iv: bin_to_hex(iv),
      },
      ciphertext: bin_to_hex(encrypted_key),
      kdf: "pbkdf2",
      kdfparams: {
        c: iterations,
        dklen: 32,
        prf: prf,
        salt: bin_to_hex(salt),
      },
      mac: bin_to_hex(mac),
    },
    id: id,
    version: 3,
  }.tap do |data|
    data[:address] = address unless options[:skip_address]
  end
end

#id ⇒ Object 



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# File 'lib/eth/key/encrypter.rb', line 47

def id
  @id ||= options[:id] || SecureRandom.uuid
end

#perform(password) ⇒ Object 



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# File 'lib/eth/key/encrypter.rb', line 16

def perform(password)
  derive_key password
  encrypt

  data.to_json
end