Aiming at the problems that the existing Data-Leakage Prevention( DLP) solutions are based on generic search for keywords in outgoing data, and hence severely lack the ability to control data flow at a fine granularity with low false probability. In this paper, an DLP architecture based on the white-listing was firstly designed, which used a white-listing for providing the strong security of data transmission. On this basis, a data leakage detection algorithm by combining document fingerprinting with Bloom ...