A digital watermark verification method and system based on hash chain
A digital watermark and verification method technology, applied in the blockchain field, can solve problems such as large amount of calculation, leakage of user identity information, etc., to achieve the effect of reducing calculation, improving verification efficiency, and realizing verification efficiency
Active Publication Date: 2022-03-11
区块链新科技(广州)有限公司
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Problems solved by technology
[0003] Some of the existing verification methods will leak the user's identity information, and some will have a large amount of calculation, which cannot achieve efficient verification of copyright ownership or use rights without leaking user identity information
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[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0050] see figure 1 , figure 1 It is a schematic flow chart of an embodiment of the hash chain-based digital watermark verification method provided by the present invention. Such as figure 1 As shown, the method includes step 101 to step 107, and each step is specifically as follows:
[0051] Step 101: Obtain the first digital copyright content uploaded by the copyright owner and the hash value and copyright attribute information corresponding to the first digit...
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The invention discloses a hash chain-based digital watermark verification method and system. The method first receives the digital copyright content uploaded by the copyright owner, and puts a digital watermark on it. Upload to the blockchain for the receiver to obtain and use the original image of the first digital copyright content according to the Msg message and the receiver's private key to complete the normal authorization transaction, and when the copyright owner initiates a verification request, the pending The verification user needs to upload the original image of the digital copyright content used and the block id of the original authorized transaction within the preset time period, and only needs to extract the original image stored in the block of the original authorized transaction, and verify that it is consistent with the user to be verified Whether the uploaded original image satisfies the verification conditions and completes the digital copyright verification. On the premise of not disclosing user identity information, the present invention realizes the verification efficiency of copyright ownership or use right, and improves the verification efficiency.
Description
technical field [0001] The invention relates to the technical field of block chains, in particular to a hash chain-based digital watermark verification method and system. Background technique [0002] In the blockchain-based decentralized digital copyright protection scenario, there is no central identity management organization. In order to protect the privacy of personal identity, the user transfers the copyright through the transaction address to realize the transaction, and the address is not related to the user's real identity. Identity information binding. When a copyright user purchases the ownership or right to use the copyright, in order to verify that a user does have the ownership or right to use the copyright, it is necessary to complete the effective verification of the ownership or right to use in the blockchain. [0003] Some of the existing verification methods will leak the user's identity information, and some will have a large amount of calculation, which...
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IPC IPC(8): G06Q20/40G06Q20/38G06F21/16G06F21/12
CPCG06Q20/401G06Q20/3829G06Q20/3827G06Q20/3823G06F21/16G06F21/121
Inventor 王志宏李明
Owner 区块链新科技(广州)有限公司