Module: CcipherFactory::SymKeySigner::SymKeyAttSign

Includes:
Common, Compression::CompressionHelper
Defined in:
lib/ccipher_factory/symkey_cipher/symkey_att_sign.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Compression::CompressionHelper

#compress_data_if_active, #compression_off, #compression_on, #compressor, #decompress_data_if_active, #decompressor, #decompressor_from_encoded, #encode_null_compressor, #is_compression_on?

Methods included from Common

#attach_mode, #cleanup_intOutputBuf, #cleanup_intOutputFile, #detach_mode, #disposeOutput, #intOutputBuf, #intOutputFile, #is_attach_mode?, #is_output_given?, #output, #output_obj, #sanitize_symbol, #write_to_output

Instance Attribute Details

#signing_key ⇒ Object

Returns the value of attribute signing_key.



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# File 'lib/ccipher_factory/symkey_cipher/symkey_att_sign.rb', line 14

def signing_key
  @signing_key
end

Instance Method Details

#att_sign_final ⇒ Object 



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# File 'lib/ccipher_factory/symkey_cipher/symkey_att_sign.rb', line 44

def att_sign_final

  meta = @signer.sign_final

  #ts = Encoding::ASN1Encoder.instance(:symkey_att_sign)
  ts = BinStruct.instance.struct(:symkey_att_sign)
  ts.symkey_signature = meta

  if is_compression_on?
    compRes = compressor.compress_final
    ts.compression = compRes
  else
    ts.compression = encode_null_compressor
  end

  attMeta = ts.encoded

  write_to_output(attMeta)
  intOutputFile.rewind
  while not intOutputFile.eof?
    write_to_output(intOutputFile.read)
  end

  logger.tdebug :symkey_att_sign, "Total Plain : #{@totalPlain} / Total Compressed : #{@totalCompressed} = #{(@totalCompressed*1.0)/@totalPlain*100} %" if is_compression_on?

  intOutputFile.close!

  attMeta

end

#att_sign_init(opts = { }, &block) ⇒ Object 



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# File 'lib/ccipher_factory/symkey_cipher/symkey_att_sign.rb', line 16

def att_sign_init(opts = { }, &block)

  @signer = SymKeySigner.signer
  @signer.signing_key = @signing_key
  @signer.sign_init(opts)

  @totalPlain = 0
  @totalCompressed = 0

  if block
    instance_eval(&block)
    att_sign_final
  else
    self
  end

end

#att_sign_update(val) ⇒ Object

Raises:



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# File 'lib/ccipher_factory/symkey_cipher/symkey_att_sign.rb', line 34

def att_sign_update(val)
  raise SymKeySignerError, "Output is required for attached sign" if not is_output_given?

  @totalPlain += val.length
  @signer.sign_update(val)
  res = compress_data_if_active(val)
  intOutputFile.write(res)
  @totalCompressed += res.length
end

#logger ⇒ Object 



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# File 'lib/ccipher_factory/symkey_cipher/symkey_att_sign.rb', line 75

def logger
  if @logger.nil?
    @logger = Tlogger.new
  end
  @logger
end