Class: NeotelisPay::Utils::Crypt

Inherits:
Object
  • Object
show all
Defined in:
lib/neotelis_pay/utils/crypt.rb

Class Method Summary collapse

Class Method Details

.crypt_md5(source_msg, key) ⇒ Object 



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# File 'lib/neotelis_pay/utils/crypt.rb', line 5

def self.crypt_md5(source_msg, key)
  k_ipad = Array.new(64, 54)
  k_opad = Array.new(64, 92)
  key_arr = key.unpack('c*')
  for i in 0..(key_arr.size - 1)
    k_ipad[i] = key_arr[i] ^ 54
    k_opad[i] = key_arr[i] ^ 92
  end
  k_ipad_str = k_ipad.pack('c*')
  k_opad_str = k_opad.pack('c*')

  md1 = ''
  md2 = ''
  #取签名原文和空值进行一次MD5签名
  md1 = Digest::MD5.digest(k_ipad_str + source_msg)
  #取第一次签名后的值和商户秘钥再次MD5签名
  md2 = Digest::MD5.hexdigest(k_opad_str + md1)
  return md1, md2
end