Class: MTProto::TL::ServerDHParams

Inherits:
Object
  • Object
show all
Extended by:
Binary
Defined in:
lib/mtproto/tl/objects/server_dh_params.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Methods included from Binary

b_u32, b_u64, u32_b, u64_b

Instance Attribute Details

#encrypted_answer ⇒ Object (readonly)

Returns the value of attribute encrypted_answer.



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# File 'lib/mtproto/tl/objects/server_dh_params.rb', line 8

def encrypted_answer
  @encrypted_answer
end

#nonce ⇒ Object (readonly)

Returns the value of attribute nonce.



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# File 'lib/mtproto/tl/objects/server_dh_params.rb', line 8

def nonce
  @nonce
end

#server_nonce ⇒ Object (readonly)

Returns the value of attribute server_nonce.



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# File 'lib/mtproto/tl/objects/server_dh_params.rb', line 8

def server_nonce
  @server_nonce
end

Class Method Details

.deserialize(message) ⇒ Object 



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# File 'lib/mtproto/tl/objects/server_dh_params.rb', line 10

def self.deserialize(message)
  data = message.body
  constructor = b_u32(data[0, 4])
  unless constructor == Constructors::SERVER_DH_PARAMS_OK
    raise "Unexpected constructor: 0x#{constructor.to_s(16)}"
  end

  offset = 4

  nonce = data[offset, 16].pack('C*')
  offset += 16

  server_nonce = data[offset, 16].pack('C*')
  offset += 16

  length_byte = data[offset]
  offset += 1

  if length_byte == 254
    encrypted_answer_length = data[offset] | (data[offset + 1] << 8) | (data[offset + 2] << 16)
    offset += 3
  else
    encrypted_answer_length = length_byte
  end

  encrypted_answer = data[offset, encrypted_answer_length].pack('C*')

  new(
    nonce: nonce,
    server_nonce: server_nonce,
    encrypted_answer: encrypted_answer
  )
end