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1. 发明申请

WO2016118904A1 MODEL ANTI-COLLUSION WATERMARK 审中-公开
标题翻译：模型抗凝水印
公开(公告)号：WO2016118904A1
公开(公告)日：2016-07-28
申请号：PCT/US2016/014595
申请日：2016-01-22
申请人： SONY CORPORATION , SONY PICTURES ENTERTAINMENT INC
发明人： DIEHL, Eric
IPC分类号： G06F21/16
CPC分类号： G06T1/0021 , G06T1/005 , G06T2201/0063 , G09C5/00 , H04L9/32 , H04L2209/34 , H04L2209/606
摘要： Embedding a watermark payload in content, including: a counter configured to store a random seed; a permutation generator configured to receive and process the watermark payload and the random seed, and generate a shuffled payload based on the random seed; and a watermark embedder configured to receive and embed the shuffled payload into the content. Key words include watermark payload and collusion.
摘要翻译：在内容中嵌入水印有效载荷，包括：配置为存储随机种子的计数器; 配置成接收和处理水印有效载荷和随机种子的置换发生器，并且基于随机种子生成洗牌有效载荷; 以及水印嵌入器，被配置为接收并将所述混洗有效载荷嵌入到所述内容中。关键词包括水印有效载荷和串通。

2. 发明申请

WO2021071785A1 SECURE DISTRIBUTION OF MULTI-RESOLUTION POINT CLOUD 审中-公开
公开(公告)号：WO2021071785A1
公开(公告)日：2021-04-15
申请号：PCT/US2020/054296
申请日：2020-10-05
申请人： SONY CORPORATION , SONY PICTURES ENTERTAINMENT INC.
发明人： DIEHL, Eric
IPC分类号： H04N21/266 , H04N21/2347 , H04N19/33
摘要： Distributing different resolution point clouds of a full resolution point cloud, including: applying a plurality of sieve functions to the full resolution point cloud (PC) to generate a plurality of partial point clouds (PCs), wherein the partial PCs are disjointed elements of the full resolution PC; scrambling each partial PC of the plurality of partial PCs using a respective one of a plurality of secret keys; and distributing at least one scrambled PC and a selected secret key to an intended recipient, wherein the selected secret key is selected based on an appropriate resolution determined for the intended recipient.

3. 发明申请

WO2019070563A1 GENUINE INSTANCE OF DIGITAL GOODS 审中-公开
公开(公告)号：WO2019070563A1
公开(公告)日：2019-04-11
申请号：PCT/US2018/053705
申请日：2018-10-01
申请人： SONY CORPORATION , SONY PICTURES ENTERTAINMENT INC.
发明人： DIEHL, Eric
IPC分类号： G06Q20/38 , G06Q20/40
摘要： Processing a genuine instance of a digital good using a blockchain including: registering an ownership of the genuine instance using a plurality of transactions, the genuine instance uniquely identified by a content descriptor which is cryptographically linked to an ownership token and includes intrinsic characteristics of the genuine instance, wherein the ownership token includes a token seed and a token signature; validating each transaction of the plurality of transactions by a plurality of validators; and recording that the genuine instance belongs to an owner by recording each transaction of the plurality of transactions in the blockchain once each transaction has been validated.

4. 发明申请

WO2019005420A1 MEDIA CHANNEL MONITORING TO PROVE CONTENT PRESENTATION 审中-公开
公开(公告)号：WO2019005420A1
公开(公告)日：2019-01-03
申请号：PCT/US2018/035580
申请日：2018-06-01
申请人： SONY CORPORATION , SONY PICTURES ENTERTAINMENT INC.
发明人： DIEHL, Eric , WRIGHT, Timothy James
IPC分类号： H04N21/8358 , G06F21/64
摘要： Blockchain-based proof of presentation of content on a media channel, including: a blockchain; a generator configured to generate at least first, second, and third parameters, wherein the first and second parameters are input parameters and the third parameter is calculated as an output parameter of a one-way cryptographic function, the generator configured to incorporate the first and third parameters into a first type of block and append the first type of block to the blockchain; an embedder configured to receive and embed the second parameter into the content to produce tainted content; and a probe configured to monitor the media channel for the tainted content and to extract the second parameter from the tainted content.

5. 发明申请

WO2017160601A1 MODE MANAGEMENT OF CONTENT PLAYBACK DEVICE 审中-公开
标题翻译：内容播放设备的模式管理
公开(公告)号：WO2017160601A1
公开(公告)日：2017-09-21
申请号：PCT/US2017/021671
申请日：2017-03-09
申请人： SONY CORPORATION , SONY PICTURES ENTERTAINMENT INC.
发明人： DIEHL, Eric
IPC分类号： H04N5/765
摘要： Managing modes of a content playback device for playing back content including: receiving, from a licensing authority, at least one of: a deprecation message used to transition the content playback device from a full mode to a deprecated mode; a patched message used to transition the content playback device from the deprecated mode to the full mode; and a revocation message used to transition the content playback device from the full mode or the deprecated mode to a revoked mode; outputting a first set of features of the content when the content playback device is in the full mode; outputting a second set of features of the content reduced from the first set of features when the content playback device is in the deprecated mode; disabling all features of the content so that nothing is output when the content playback device is in the revoked mode.
摘要翻译：管理用于回放内容的内容回放设备的模式，包括：从许可颁发机构接收以下各项中的至少一个：用于将内容回放设备从完整模式转换到不推荐使用的弃用消息模式; 用于将内容回放设备从不推荐模式转换到完整模式的修补消息; 以及用于将内容回放设备从完整模式或不赞成模式转换到撤销模式的撤销消息; 当内容回放设备处于完全模式时输出内容的第一组特征; 当内容回放设备处于弃用模式时，输出从第一组特征减少的内容的第二组特征; 禁用内容的所有功能，以便在内容回放设备处于撤销模式时不输出任何内容。

6. 发明申请

WO2021096881A1 POINT CLOUD SCRAMBLING 审中-公开
公开(公告)号：WO2021096881A1
公开(公告)日：2021-05-20
申请号：PCT/US2020/059878
申请日：2020-11-10
申请人： SONY CORPORATION , SONY PICTURES ENTERTAINMENT INC.
发明人： DIEHL, Eric
IPC分类号： G06T19/20 , H04L9/20
摘要： Scrambling a point cloud (PC), including: receiving the PC in polar coordinates, wherein each point of the PC includes an index; scrambling each point of the PC by translating each point along a radial axis of the polar coordinates by adding a pseudo-random number (PRN) to each point, wherein the PRN is generated using the index and a secret key.

7. 发明申请

WO2019226622A1 USER-PROTECTED LICENSE 审中-公开
公开(公告)号：WO2019226622A1
公开(公告)日：2019-11-28
申请号：PCT/US2019/033264
申请日：2019-05-21
申请人： SONY CORPORATION , SONY PICTURES ENTERTAINMENT INC.
发明人： DIEHL, Eric
IPC分类号： G06F21/10 , H04L9/28
摘要： Distributing and enforcing a license for content to be consumed according to conditions defined by usage rights stated in the license, including: encrypting the usage rights with a key using a homomorphic encryption and sending the encrypted usage rights to an agent; receiving from the agent modified encrypted usage rights generated by performing a homomorphic operation on the encrypted usage rights with a nonce; and decrypting the modified encrypted usage rights and sending the decrypted modified usage rights back to the agent, wherein usage rights are extracted from the decrypted modified usage rights by performing an operation that is reverse of the homomorphic operation with the nonce.

8. 发明申请

WO2018075129A1 BLOCKCHAIN-BASED DIGITAL RIGHTS MANAGEMENT 审中-公开
标题翻译：基于BLOCKCHAIN的数字权利管理
公开(公告)号：WO2018075129A1
公开(公告)日：2018-04-26
申请号：PCT/US2017/046906
申请日：2017-08-15
申请人： SONY CORPORATION , SONY PICTURES ENTERTAINMENT INC.
发明人： DIEHL, Eric
IPC分类号： G06F21/10
摘要： Generating a rights blockchain storing rights of a user, including: receiving an enrollment request and a public key from the user; verifying that the user has a private key corresponding to the public key; generating a user identifier using the public key; and generating and delivering the rights blockchain having a genesis block including the user identifier to the user.
摘要翻译：产生用户的权利区块链存储权限，包括：从用户接收注册请求和公共密钥; 验证用户具有与公钥对应的私钥; 使用所述公钥生成用户标识符; 并生成并传递具有包括用户标识符的创世区块的权利区块链给用户。

9. 发明申请

WO2021183441A1 PRIVACY-PRESERVING SIGNATURE 审中-公开
公开(公告)号：WO2021183441A1
公开(公告)日：2021-09-16
申请号：PCT/US2021/021373
申请日：2021-03-08
申请人： SONY GROUP CORPORATION , SONY PICTURES ENTERTAINMENT INC.
发明人： DIEHL, Eric
IPC分类号： G06F21/64
摘要： Signing data so that a signature can be verified by a verifier while preserving the privacy of a signer, the method including: generating a signature nonce; encrypting the signature nonce with a public key of the verifier to produce an encrypted signature nonce; and calculating a signature of the data of the signer by signing the data concatenated with the signature nonce using a private key of the signer.

10. 发明申请

WO2021221873A1 FOUR-FACTOR AUTHENTICATION 审中-公开
公开(公告)号：WO2021221873A1
公开(公告)日：2021-11-04
申请号：PCT/US2021/026250
申请日：2021-04-07
申请人： SONY GROUP CORPORATION , SONY PICTURES ENTERTAINMENT INC.
发明人： DIEHL, Eric
IPC分类号： G06F21/30 , H04L9/30
摘要： Verifying that a user is using a device at a pre-specified location between a start time and an end time, including: calculating a challenge and an answer that is a function of the challenge; generating and storing in a blockchain, a commitment including an identity of the user, an identity of the device, the pre-specified location associated with the user, the start time of usage of the device, the end time of usage of the device, and the calculated challenge; generating a visual code of the device to carry the answer; encrypting the generated visual code with a public key of the device, wherein the encrypted visual code may only be decrypted with a private key of the device; and storing the encrypted visual code in the blockchain.

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