The invention relates to the technical field of video
content security, and provides a video
content security management and
control system and method based on a
directory chain, and the method comprises the steps: auditing a video file needing to be played, listing the video file passing the auditing into a video
directory, generating
security management information and an implicit identifier for the video file passing the auditing, and storing the
security management information and the implicit identifier in the video
directory; storing the
security management information and the implicit identifier in a block chain, and storing the audited video file and the corresponding security management information and implicit identifier in a video
steganography end; selecting a to-be-played video file in the video directory, creating corresponding playing request information, verifying the playing request information with the security management information and the implicit identifier corresponding to the video in the block chain and the video
steganography end, and if
verification succeeds, sending the video file to the video
steganography end; and if yes, the video steganography end transmits the corresponding steganography video file to the playing end for playing through the file exchange platform. According to the invention, the single
verification before playing the video is changed into double
verification, so that the security is improved.