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    • 3. 发明申请
    • DIGITAL DATA RETENTION MANAGEMENT
    • 数字资料保存管理
    • US20150134619A1
    • 2015-05-14
    • US14464855
    • 2014-08-21
    • International Business Machines Corporation
    • Michael E. FactorBernhard KurtzDavid LebutschCataldo MegaAlexandra Shulman-PelegTim Waizenegger
    • G06F17/30
    • G06F17/30085G06F17/30117G06F17/3012G06F21/6209
    • Embodiments relate to digital data retention management. An aspect includes calculating a retention date associated with a data object in a storage system. Another aspect includes generating a cryptographic checksum for metadata relating to said data object, the metadata comprising the retention date. Another aspect includes storing said metadata and said cryptographic checksum. Another aspect includes, based on receiving a request to perform a deletion transaction on said data object for deleting said data object from the storage system: verifying metadata validity by checking the cryptographic checksum for the metadata associated with said data object to detect possible tampering of the metadata; verifying retention expiration by determining that a current date is past the retention date comprised in said metadata; and based on successful verification of metadata validity and retention expiration, authorizing deletion of said data object by the storage system
    • 实施例涉及数字数据保留管理。 一方面包括计算与存储系统中的数据对象相关联的保留日期。 另一方面包括为与所述数据对象相关的元数据生成加密校验和,所述元数据包括保留日期。 另一方面包括存储所述元数据和所述密码校验和。 另一方面包括:基于接收对所述数据对象执行删除事务的请求以从所述存储系统中删除所述数据对象:通过检查与所述数据对象相关联的元数据的加密校验和来检验元数据有效性,以检测所述数据对象的可能的篡改 元数据 通过确定当前日期超过所述元数据中包含的保留日期来验证保留期满; 并且基于元数据有效性和保留期限的成功验证,授权存储系统删除所述数据对象
    • 8. 发明授权
    • Policy access control lists attached to resources
    • 附加到资源的策略访问控制列表
    • US09396343B2
    • 2016-07-19
    • US14517952
    • 2014-10-20
    • International Business Machines Corporation
    • Michael FactorElliot K KolodnerAlexandra Shulman-Peleg
    • G06F21/62G06F21/60G11C29/52
    • H04L63/101G06F21/6218H04L63/102H04L63/20
    • Methods, storage systems and computer program products implement embodiments of the present invention that include defining, for an entity, a policy access control list including one or more access rules, each of the access rules including one or more user conditions and one or more entity conditions. Upon receiving a request from a user to access a given entity, one or more user attributes associated with the user and one or more entity attributes associated with the given entity are identified. For each of the access rules, the one or more user conditions are applied to the one or more user attributes, the one or more entity conditions are applied to the one or more entity attributes. Access to the given content entity is granted to the user upon determining that a minimum threshold of the one or more user conditions and the one or more entity conditions are met.
    • 方法,存储系统和计算机程序产品实现本发明的实施例,其包括为实体定义包括一个或多个访问规则的策略访问控制列表,每个访问规则包括一个或多个用户条件和一个或多个实体 条件。 在接收到来自用户访问给定实体的请求时,识别与用户相关联的一个或多个用户属性以及与给定实体相关联的一个或多个实体属性。 对于每个访问规则,一个或多个用户条件被应用于一个或多个用户属性,一个或多个实体条件被应用于一个或多个实体属性。 在确定一个或多个用户条件的最小阈值和满足一个或多个实体条件的情况下,向用户授予对给定内容实体的访问。