The invention provides a Web communication
data transmission method, a
server, a
client and a
system. The method includes the following steps that: after a communication request sent by a
client is received, a
source data to be transmitted is decomposed into n data blocks, and the lengths of the n data blocks are sequentially recorded according to a
decomposition sequence, so that a first
label can be obtained, the n data blocks are combined multiple times according to a preset confusing
algorithm, so that a plurality of heterogeneous data can be obtained, and the lengths of the n data blocksare sequentially recorded according to a combination sequence, so that a plurality of second labels which are in one-to-one correspondence with the plurality of heterogeneous data are obtained; the first
label, the heterogeneous data, and the second labels are stored and sent to the
client, so that the client can perform analysis according to the first
label, the heterogeneous data, and the secondlabels to obtain the
source data to be transmitted. According to the Web communication
data transmission method, the
server, the client and the
system of the invention, the local uncertainty and heterogeneity of Web communication data
encryption are enhanced, so that
attack difficulty can be improved, and therefore, the
high security and high reliability of the communication of the
Web service system can be ensured.