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    • 2. 发明授权
    • Method and apparatus for use in determining validity of a certificate in
a communication system employing trusted paths
    • 用于确定采用可信路径的通信系统中证书的有效性的方法和装置
    • US6134550A
    • 2000-10-17
    • US40744
    • 1998-03-18
    • Paul C. Van OorschotMichael J. WienerIan Curry
    • Paul C. Van OorschotMichael J. WienerIan Curry
    • G06F21/33H04L9/32G06F17/00
    • G06F21/33G06Q20/38215H04L9/3265H04L9/3268Y10S707/99939Y10S707/99942
    • A method and apparatus constructs a preferred certificate chain, such as a list of all certificate authorities in a shortest trusted path, based on generated certificate chain data, such as a table of trust relationships among certificate issuing units in a community of interest, to facilitate rapid validity determination of the certificate by a requesting unit. In one embodiment, requesting units, such as certificate validation units or subscribers, send queries to a common certificate chain constructing unit. Each query may identify a beginning and target certification authority in the community. The certificate chain constructing unit then automatically determines the certification chain among certification issuing units between the beginning and target certification authorities for each query and provides certificate chain data to the requesting unit. The requesting unit then performs validity determination on the certificate to be validated based on the certificate chain data.
    • 一种方法和装置基于生成的证书链数据(诸如感兴趣的社区中的证书颁发单位之间的信任关系表)来构建优选证书链,诸如最短信任路径中的所有证书颁发机构的列表,以便于 请求单位对证书的快速有效性确定。 在一个实施例中,诸如证书验证单元或订户的请求单元向公共证书链构造单元发送查询。 每个查询可以标识社区中的开始和目标证书颁发机构。 证书链构造单元然后在每个查询的开始和目标认证机构之间自动确定认证发行单元之间的认证链,并向请求单元提供证书链数据。 然后,请求单元基于证书链数据对要验证的证书进行有效性确定。
    • 5. 发明授权
    • Secure communication apparatus and method
    • 安全通信设备和方法
    • US07693285B2
    • 2010-04-06
    • US10092277
    • 2002-03-06
    • Ian Curry
    • Ian Curry
    • H04L9/08H04L9/00
    • H04L9/083H04L9/0825H04L63/0464
    • A method and apparatus, such as a secure distribution server, receives encrypted information from a sender, wherein the encrypted information is for transmission to a plurality of intended recipients. In addition to the encrypted information, the method includes receiving an encrypted secret key that is encrypted using a public key associated with the secure distribution server. The method and apparatus decrypts the encrypted secret key to produce a decrypted secret key. The method and apparatus then encrypts the decrypted secret key with the corresponding public key of at least one (or each of a plurality of) intended recipient(s) to produce at least one (or plurality of) recipient-specific secure secret keys. The method and apparatus then forwards the received encrypted information sent by the sender and also sends at least one recipient-specific secure secret key to a corresponding intended recipient.
    • 诸如安全分发服务器的方法和装置从发送方接收加密信息,其中加密信息用于传输到多个预期接收者。 除了加密信息之外,该方法包括接收使用与该安全分发服务器相关联的公开密钥加密的加密秘密密钥。 该方法和装置解密加密的秘密密钥以产生解密的秘密密钥。 该方法和装置然后用至少一个(或多个)预期接收者的相应公钥加密解密的秘密密钥,以产生至少一个(或多个)接收者特定的安全秘密密钥。 该方法和装置然后转发由发送者发送的接收到的加密信息,并且还向相应的预期接收者发送至少一个接收者特定的安全密钥。