Class: RubySMB::Dcerpc::Samr::SamprEncryptedUserPassword

Inherits:
Ndr::NdrStruct
  • Object
show all
Defined in:
lib/ruby_smb/dcerpc/samr.rb

Overview

2.2.6.21 SAMPR_ENCRYPTED_USER_PASSWORD

Direct Known Subclasses

PsamprEncryptedUserPassword

Class Method Summary collapse

Methods inherited from Ndr::NdrStruct

#initialize_shared_instance, method_missing, validate_conformant_array

Class Method Details

.encrypt_password(password, old_password_nt) ⇒ Object 



395
396
397
398
399
400
401
402
403
404
 
# File 'lib/ruby_smb/dcerpc/samr.rb', line 395

def self.encrypt_password(password, old_password_nt)
  # see: https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-samr/5fe3c4c4-e71b-440d-b2fd-8448bfaf6e04
  password = password.encode('UTF-16LE').force_encoding('ASCII-8BIT')
  buffer = password.rjust(512, "\x00") + [ password.length ].pack('V')
  cipher = OpenSSL::Cipher.new('RC4').tap do |cipher|
    cipher.encrypt
    cipher.key = old_password_nt
  end
  cipher.update(buffer)
end