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    SYSTEM AND METHOD FOR DETERMINING WHETHER WAGERS HAVE BEEN ALTERED
    1.
    发明公开
    SYSTEM AND METHOD FOR DETERMINING WHETHER WAGERS HAVE BEEN ALTERED 审中-公开
    系统和方法，用于确定是否修改而内页

    公开(公告)号：EP1410300A1

    公开(公告)日：2004-04-21

    申请号：EP00981031.8

    申请日：2000-10-13

    申请人： Gtech Rhode Island Corporation

    发明人： SZREK, Walter ,  ORAM, Thomas, K.

    IPC分类号： G06F19/00

    CPC分类号： G07F17/32 ,  G07F17/3241

    摘要： A system and method for determining whether wager data for players' wagers placed on a drawing game have been altered after winning game elements are drawn includes a host computer (30) and a verification device (40). The host computer (30) stores the wager data and generates a first hash value for the wager data at a time prior to drawing the winning game elements. The host computer (30) is capable of generating a second hash value for the wager data at a time subsequent to drawing the winning game elements for comparison to the first hash value. The verification device (40) receives the first hash value for the wager data prior to drawing the winning game elements and receives the winning game elements.

    METHOD AND APPARATUS FOR PROVIDING AND PROCESSING ACTIVE BARCODES
    2.
    发明公开
    METHOD AND APPARATUS FOR PROVIDING AND PROCESSING ACTIVE BARCODES 审中-公开
    方法和设备提供和处理ACTIVE条形码

    公开(公告)号：EP1683115A1

    公开(公告)日：2006-07-26

    申请号：EP04796842.5

    申请日：2004-10-28

    申请人： Gtech Rhode Island Corporation

    发明人： ORAM, Thomas, K.

    IPC分类号： G07D7/00 ,  G07C15/00 ,  G07F15/08

    CPC分类号： G07F7/12 ,  G07B11/02 ,  G07C15/005 ,  G07D7/0043 ,  G07F7/08

    摘要： Embodiments of the present invention provide a platform-independent execution environment for executing embedded instructions. In one example, the instructions may be embedded in an active barcode format. In this embodiment a barcode encoded with an instruction may be read. A machine executable instruction may be generated based on the read barcode using a virtual machine. The machine executable instruction may be executed using the virtual machine.

    摘要翻译： 本发明的实施例用于执行嵌入的指令提供一个独立于平台的执行环境。 在一个例子中，所述指令可在activebarcode格式被嵌入英寸 在本实施方式与在指令中编码的条形码可以被读出。 甲机器可执行指令可以基于使用的虚拟机所读取的条形码来生成。 所述机器可执行指令可以使用虚拟机来执行。

    METHOD AND SYSTEM FOR AUTHENTICATION
    3.
    发明公开
    METHOD AND SYSTEM FOR AUTHENTICATION 审中-公开
    用于认证的方法和系统

    公开(公告)号：EP1632091A2

    公开(公告)日：2006-03-08

    申请号：EP04752046.5

    申请日：2004-05-11

    申请人： Gtech Rhode Island Corporation

    发明人： ORAM, Thomas, K. ,  SZREK, Walter

    IPC分类号： H04N7/167

    CPC分类号： G07F7/1008 ,  G06Q20/341 ,  G06Q20/3674 ,  G06Q20/40145 ,  G06Q20/40975 ,  G07F7/08 ,  G07F7/12 ,  G07F7/122 ,  G07F17/32 ,  G07F17/329 ,  H04L9/32 ,  H04L2209/56

    摘要： Embodiments of the present invention provide a method and system for authentication. In one embodiment, a first identifier associated with an item to be authenticated may be received. A first decryption key associated with the item may also be received. The first identifier may be decrypted using the first decryption key to generate a second identifier. The contents of an authentication database (Figure Number 131) may be searched to find a match for the second identifier. If a match for the second identifier is found in the authentication database (Figure Number 131), the item may be confirmed as authentic. In embodiments of the present invention, the item may be a lottery ticket, a document, a receipt, a ticket, a credit card, etc.

    摘要翻译： 本发明的实施例提供了用于认证的方法和系统。 在一个实施例中，可以接收与要认证的物品相关联的第一标识符。 还可以接收与该项目相关联的第一解密密钥。 第一标识符可以使用第一解密密钥来解密以生成第二标识符。 可以搜索认证数据库的内容（图131）以找到第二标识符的匹配。 如果在认证数据库中找到第二个标识符的匹配项（图131），则该项目可能被确认为可信。 在本发明的实施例中，物品可以是彩票，文件，收据，票据，信用卡等。