Enhanced key agreement and transport protocol
    1.
    发明申请
    Enhanced key agreement and transport protocol 有权
    增强密钥协议和传输协议

    公开(公告)号:US20070033405A1

    公开(公告)日:2007-02-08

    申请号:US11452393

    申请日:2006-06-14

    申请人: Alfred Menezes

    发明人: Alfred Menezes

    IPC分类号: H04L9/00

    CPC分类号: H04L9/0844

    摘要: A key agreement protocol for use in a public key cryptographic scheme between a pair of correspondents each of which has a long term public key and an ephemeral public key. The protocol includes the steps of exchanging the ephemeral public keys between the correspondents for computing a shared secret at each correspondent and utilizing the shared secret to obtain a common key, wherein the validity of the ephemeral public keys is checked by the recipient thereof prior to use of the common key.

    摘要翻译: 一种密钥协商协议,用于一对通信对象之间的公共密钥加密方案,每个记者具有长期公共密钥和短暂公钥。 该协议包括以下步骤:在通信对方之间交换临时公钥,以在每个记者处计算共享秘密,并利用共享密钥来获得公共密钥,其中临时公钥的有效性在使用之前由接收方检查 的共同密钥。

    DIGITAL SIGNATURE ON A SMARTCARD
    3.
    发明申请
    DIGITAL SIGNATURE ON A SMARTCARD 审中-公开
    智能卡上的数字签名

    公开(公告)号:US20080310625A1

    公开(公告)日:2008-12-18

    申请号:US12135865

    申请日:2008-06-09

    IPC分类号: H04L9/30

    摘要: A digital signature scheme for a “smart” card utilizes a set of prestored signing elements and combines pairs of the elements to produce a new session pair. The combination of the elements is performed partly on the card and partly on the associated transaction device so that the exchange of information between card and device does not disclose the identity of the signing elements. The signing elements are selected in a deterministic but unpredictable manner so that each pair of elements is used once. Further signing pairs are generated by implementing the signing over an anomalous elliptic curve encryption scheme and applying a Frobenius Operator to the normal basis representation of one of the elements.

    摘要翻译: 用于“智能”卡的数字签名方案利用一组预先存储的签名元素并且组合成对的元素以产生新的会话对。 元件的组合部分地在卡上部分地执行并且部分地在相关联的交易设备上执行,使得卡和设备之间的信息交换没有公开签名元件的身份。 以确定性但不可预测的方式选择签名元素,使得每对元素被使用一次。 通过实现异常椭圆曲线加密方案的签名并将Frobenius运算符应用于其中一个元素的正常基础表示来生成进一步的签名对。

    Enhanced key agreement and transport protocol
    4.
    发明授权
    Enhanced key agreement and transport protocol 有权
    增强密钥协议和传输协议

    公开(公告)号:US09054861B2

    公开(公告)日:2015-06-09

    申请号:US11452393

    申请日:2006-06-14

    申请人: Alfred Menezes

    发明人: Alfred Menezes

    IPC分类号: H04L9/00 H04L9/08

    CPC分类号: H04L9/0844

    摘要: A key agreement protocol for use in a public key cryptographic scheme between a pair of correspondents each of which has a long term public key and an ephemeral public key. The protocol includes the steps of exchanging the ephemeral public keys between the correspondents for computing a shared secret at each correspondent and utilizing the shared secret to obtain a common key, wherein the validity of the ephemeral public keys is checked by the recipient thereof prior to use of the common key.

    摘要翻译: 一种密钥协商协议,用于一对通信对象之间的公共密钥加密方案,每个记者具有长期公共密钥和短暂公开密钥。 该协议包括以下步骤:在通信对方之间交换临时公钥,以在每个记者处计算共享秘密,并利用共享密钥来获得公共密钥,其中临时公钥的有效性在使用之前由接收方检查 的共同密钥。

    Key agreement and transport protocol with implicit signatures
    7.
    发明申请
    Key agreement and transport protocol with implicit signatures 审中-公开
    具有隐式签名的密钥协商和传输协议

    公开(公告)号:US20050182936A1

    公开(公告)日:2005-08-18

    申请号:US10899303

    申请日:2004-07-27

    摘要: A key establishment protocol between a pair of correspondents includes the generation by each correspondent of respective signatures. The signatures are derived from information that is private to the correspondent and information that is public. After exchange of signatures, the integrity of exchange messages can be verified by extracting the public information contained in the signature and comparing it with information used to generate the signature. A common session key may then be generated from the pubilc and private information of respective ones of the correspondents.

    摘要翻译: 一对记者之间的密钥建立协议包括每个记者生成各个签名。 签名来自对记者的私人信息和公开的信息。 在签名交换之后,可以通过提取签名中包含的公开信息并将其与用于生成签名的信息进行比较来验证交换消息的完整性。 然后可以从相关记者的公开信息和私人信息生成公共会话密钥。

    DIGITAL SIGNATURES ON A SMARTCARD
    8.
    发明申请
    DIGITAL SIGNATURES ON A SMARTCARD 审中-公开
    智能卡上的数字签名

    公开(公告)号:US20070177726A1

    公开(公告)日:2007-08-02

    申请号:US11563017

    申请日:2006-11-23

    IPC分类号: H04L9/30

    摘要: A digital signature scheme for a “smart” card utilizes a set of prestored signing elements and combines pairs of the elements to produce a new session pair. The combination of the elements is performed partly on the card and partly on the associated transaction device so that the exchange of information between card and device does not disclose the identity of the signing elements. The signing elements are selected in a deterministic but unpredictable manner so that each pair of elements is used once. Further signing pairs are generated by implementing the signing over an anomalous elliptic curve encryption scheme and applying a Frobenius Operator to the normal basis representation of one of the elements.

    摘要翻译: 用于“智能”卡的数字签名方案利用一组预先存储的签名元素并且组合成对的元素以产生新的会话对。 元件的组合部分地在卡上部分地执行并且部分地在相关联的交易设备上执行,使得卡和设备之间的信息交换没有公开签名元件的身份。 以确定性但不可预测的方式选择签名元素,使得每对元素被使用一次。 通过实现异常椭圆曲线加密方案的签名并将Frobenius运算符应用于其中一个元素的正常基础表示来生成进一步的签名对。

    Authenticated key agreement protocol
    9.
    发明授权
    Authenticated key agreement protocol 失效
    认证密钥协商协议

    公开(公告)号:US06336188B2

    公开(公告)日:2002-01-01

    申请号:US09070794

    申请日:1998-05-01

    IPC分类号: H04L900

    CPC分类号: H04L9/0841

    摘要: A key agreement method between a pair of entities i and j in a digital communication system, wherein each the entity has a private and corresponding public key pair Si,Pi and Sj,Pj respectively and the system, having global parameters for generating elements of a group, the method comprising the steps of: (a) entity i selecting a random private session value Ri; (b) forwarding a public session value corresponding to the private session value Ri to the entity j; (c) entity j computing a long term shared secret key k′ derived from entity i's public key and j's private key utilizing a first function H1; (d) the entity j utilizing entity j utilizing the key′ and computing an authenticated message on entity identities i,j and entities public session keys and forwarding the aunthenticated message to entity i; (e) the entity i verifying the received authenticated message; (f) the entity i computing the long term shared secret key k′ derived from the entity j's public key and i's private key in accordance with the first function H1; (g) the entity i utilizing the long term shared secret key k′ and computing an authenticated message on the entities i and j identity information and the entities public session keys and forwarding the authenticated message to the entity j; (h) entity j verifying the received authenticated message; and (i) upon both the entities i and j verifying the authenticated message, computing a short term shared secret key utilizing a respective entity's session public and private keys.

    摘要翻译: 在数字通信系统中的一对实体i和j之间的密钥协商方法,其中每个实体分别具有私有和相应的公共密钥对Si,Pi和Sj,Pj,并且该系统具有用于生成元素的全局参数 该方法包括以下步骤:(a)实体i选择随机专用会话值Ri;(b)将与专用会话值Ri相对应的公共会话值转发给实体j;(c)实体j计算长 使用第一函数H1从实体i的公钥和j的私钥导出的长期共享秘密密钥k';(d)使用密钥的实体j利用实体j并且在实体身份i,j和实体公共会话上计算经认证的消息 密钥,并将无权验证的消息转发到实体i;(e)验证接收到的认证消息的实体;(f)计算从实体j的公钥导出的长期共享秘密密钥k'的实体和我在acco中的私钥 具有第一功能H1;(g)使用长期共享秘密密钥k'的实体i并且在实体i和j上计算身份信息和实体公共会话密钥的认证消息,并将认证消息转发到实体j ;(h)验证接收到的认证消息的实体j; 以及(i)在证实验证的消息的实体i和j两者之间,利用相应实体的会话公钥和私钥计算短期共享密钥。

    Digital signatures on a smartcard
    10.
    发明申请
    Digital signatures on a smartcard 审中-公开
    智能卡上的数字签名

    公开(公告)号:US20050039023A1

    公开(公告)日:2005-02-17

    申请号:US10765976

    申请日:2004-01-29

    摘要: A digital signature scheme for a “smart” card utilizes a set of prestored signing elements and combines pairs of the elements to produce a new session pair. The combination of the elements is performed partly on the card and partly on the associated transaction device so that the exchange of information between card and device does not disclose the identity of the signing elements. The signing elements are selected in a deterministic but unpredictable manner so that each pair of elements is used once. Further signing pairs are generated by implementing the signing over an anomalous elliptic curve encryption scheme and applying a Frobenius Operator to the normal basis representation of one of the elements.

    摘要翻译: 用于“智能”卡的数字签名方案利用一组预先存储的签名元素并且组合成对的元素以产生新的会话对。 元件的组合部分地在卡上部分地执行并且部分地在相关联的交易设备上执行,使得卡和设备之间的信息交换没有公开签名元件的身份。 以确定性但不可预测的方式选择签名元素,使得每对元素被使用一次。 通过实现异常椭圆曲线加密方案的签名并将Frobenius运算符应用于其中一个元素的正常基础表示来生成进一步的签名对。