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    • 89. 发明授权
    • Generating a secure signature utilizing a plurality of key shares
    • 使用多个密钥共享生成安全签名
    • US08627091B2
    • 2014-01-07
    • US13413232
    • 2012-03-06
    • Greg DhuseJason K. ReschWesley Leggette
    • Greg DhuseJason K. ReschWesley Leggette
    • H04L9/32H04L9/08H04N21/8358
    • H04L67/1004G06F11/1076H04L9/085H04L9/0891H04L9/0894H04L9/3247H04L67/1097H04L67/2847H04L2209/34H04N21/8358
    • A method begins by a module to generate a secure signature on an item by selecting a first key representation index of a set of key representation indexes, wherein a first mathematical encoding of a private key generates a first plurality of key shares as a first key representation. The method continues with the module determining whether a first plurality of signature contributions have been received in response to a signature request for the item based on the first key representation index, wherein one of a first set of dispersed storage (DS) units executes a first mathematical signature function using one of the first plurality of key shares on the item to produce a signature contribution of the first plurality of signature contributions and when the first plurality of signature contributions have been received, generating the secure signature on the item from the first plurality of signature contributions.
    • 一种方法由模块开始,以通过选择一组密钥表示索引的第一密钥表示索引来生成项目上的安全签名,其中私钥的第一数学编码生成第一多个密钥共享作为第一密钥表示 。 该方法继续,模块确定是否已经基于第一密钥表示索引响应于对于项目的签名请求已经接收到第一多个签名贡献,其中第一组分散存储(DS)单元中的一个执行第一 数学签名函数,使用项目上的第一组多个密钥共享中的一个来产生第一多个签名贡献的签名贡献;以及当已经接收到第一多个签名贡献时,从该第一个多个签名贡献产生该项目上的安全签名 的签名贡献。
    • 90. 发明授权
    • Validating a certificate chain in a dispersed storage network
    • 验证分散的存储网络中的证书链
    • US08627065B2
    • 2014-01-07
    • US13288076
    • 2011-11-03
    • Wesley LeggetteJason K. ReschBart Cilfone
    • Wesley LeggetteJason K. ReschBart Cilfone
    • H04L29/06
    • H04L63/0823G06F3/0605G06F3/0614G06F3/0643G06F3/0647G06F3/067G06F11/1076G06F12/06G06F2211/1057
    • A method begins by a processing module receiving a certificate chain and determining whether at least one of one or more signed certificates of the chain has a valid signature. When the at least one of the one or more signed certificates has a valid signature, the method continues with the processing module identifying one or more certificate authorities (CA) to produce identified CAs, accessing registry information that includes one or more realm identifiers (IDs) and a plurality of trusted CA IDs, determining whether one or more of the identified CAs is a trusted CA, and when the one or more of the identified CAs is a trusted CA, indicating that the certificate chain is valid, identifying a realm ID based on a trusted CA ID, and generating certificate chain validation information to include the realm ID, trusted CAs, and the indication of the validity of the certificate chain.
    • 一种方法由接收证书链的处理模块开始,并确定链中的一个或多个签名证书中的至少一个是否具有有效签名。 当所述一个或多个签名证书中的至少一个具有有效签名时,该方法继续处理模块识别一个或多个证书颁发机构(CA)以产生所识别的CA,访问包括一个或多个域标识符(ID)的注册表信息 )和多个可信CAID,确定所识别的CA中的一个或多个是否是受信任的CA,以及当所识别的CA中的一个或多个是指示证书链有效的可信CA时,识别领域ID 基于可信任的CA ID,以及生成证书链验证信息以包括领域ID,受信任的CA以及证书链的有效性的指示。