APPARATUS AND METHOD OF READING A PROGRAM INTO A PROCESSOR

    公开(公告)号:CA2292667A1

    公开(公告)日:1999-11-04

    申请号:CA2292667

    申请日:1999-03-11

    Applicant: MOTOROLA INC

    Abstract: The following describes an apparatus for and method of providing a secure method of downloading a program into a processor (101) from a device (103) external to the processor (101). The program may be encrypted (207) prior to its entry into the external device (103). The program may also have authentication information added (203 and 207) to it. Authentication information may be provided on an unencrypted and/or an encrypted program. The processor (101) decrypts (307) and/or successfully authenticates (311) the program before allowing the program to be executed by the processor (101).

    4.
    发明专利
    未知

    公开(公告)号:DE3784414D1

    公开(公告)日:1993-04-08

    申请号:DE3784414

    申请日:1987-08-13

    Applicant: MOTOROLA INC

    Abstract: A detector (200) locates a shift register sequence (408) within a digital data stream by correlating the data stream with a sequence (356) generated locally from a portion of the data stream. Error correction circuitry (100) estimates errors that may have corrupted the sequence during transmission across a noisy channel (416) and corrects them to the extent possible. The data stream and local sequence are correlated during an interval that is shifted either ahead (336) or behind (336') the portion of the error-corrected data stream (304) used to initialize the local sequence generator (302), thereby avoiding the region during which short-term correlation between the data stream and local sequence would otherwise cause false indications of detection when only noise or random data is being received.

    ROAMING ENCRYPTION KEY REKEYING APPARATUS AND METHOD
    5.
    发明申请
    ROAMING ENCRYPTION KEY REKEYING APPARATUS AND METHOD 审中-公开
    ROAMING加密钥匙重装置和方法

    公开(公告)号:WO2006113524A3

    公开(公告)日:2008-01-24

    申请号:PCT/US2006014234

    申请日:2006-04-14

    Abstract: Roaming encryption key rekeying apparatus and method comprising a first system key management facility that communicates to a communication unit roaming information is disclosed. The roaming information is encrypted using a first encryption scheme that is decipherable by the communication unit. Further, the first system key management facility communicates to a second system key management facility the roaming information. In this communication, the roaming information is encrypted as a function of a second encryption scheme that is decipherable by the second system key management facility.

    Abstract translation: 公开了包括与通信单元漫游信息通信的第一系统密钥管理设备的漫游加密密钥密钥设备和方法。 使用可由通信单元解密的第一加密方案来加密漫游信息。 此外,第一系统密钥管理设备与第二系统密钥管理设备通信漫游信息。 在该通信中,漫游信息作为可由第二系统密钥管理设备解密的第二加密方案的功能进行加密。

    ANTI-REPLAY METHOD FOR UNICAST AND MULTICAST IPSEC
    6.
    发明申请
    ANTI-REPLAY METHOD FOR UNICAST AND MULTICAST IPSEC 审中-公开
    用于单播和多播IPSEC的反重播方法

    公开(公告)号:WO2010078127A2

    公开(公告)日:2010-07-08

    申请号:PCT/US2009069085

    申请日:2009-12-22

    Abstract: A method for managing a packet in a communication system between two or more endpoints, a sender and one or more recipients, comprises receiving a first packet comprising a source identifier that uniquely identifies a sender of the first packet and a current source time assigned to the first packet by the sender, determining a received time for the first packet, retrieving a cached source time assigned by the sender to a second packet that was received prior to receiving the first packet, and determining whether to discard or process the first packet based on the current source time, the received time, and the cached source time. The current source time, the received time, and the cached time, in addition to predetermined parameters such as a maximum age and an anti-replay window allows a recipient to determine whether to process or discard a packet.

    Abstract translation: 一种用于管理两个或更多个端点,发送者和一个或更多个接收者之间的通信系统中的分组的方法,包括:接收第一分组,该第一分组包括唯一地标识第一分组的发送者的源标识符和分配给 确定第一分组的接收时间,检索发送方分配给在接收第一分组之前接收到的第二分组的缓存源时间,以及基于第一分组来确定是丢弃还是处理第一分组 当前源时间,接收时间和高速缓存的源时间。 当前源时间,接收时间和高速缓存时间,除了诸如最大时间和防重放窗口之类的预定参数之外,还允许接收方确定是处理还是丢弃分组。

    METODO Y APARATO PARA COMUNICACIONES ENCRIPTADAS UTILIZANDO CLAVES DE IPSEC.

    公开(公告)号:MX2008015298A

    公开(公告)日:2008-12-12

    申请号:MX2008015298

    申请日:2007-06-20

    Applicant: MOTOROLA INC

    Abstract: Se describe un método para comunicaciones encriptadas. Un primer punto terminal de IPsec selecciona una asociación de seguridad (SA - security association) a partir de una base de datos de asociación de seguridad (SAD - security association database) utilizando un selector y después extrae un parámetro de indexación de la SA. El parámetro de indexación se utiliza para determinar una ubicación de clave activa proveniente de una base de datos de almacenamiento de claves (KSD - key storage database). Los paquetes de datos se encriptan después utilizando una clave proveniente de la ubicación de claves activas. El primer punto terminal de IPsec forma también un índice de parámetro de seguridad (SPI - security parameter index) en una cabecera del paquete de datos utilizando una keyID (ID de clave) proveniente de la ubicación de claves activas y transmite el paquete de datos encriptados con la cabecera indicándole el SPI a un segundo punto terminal de IPsec.

    METHOD AND APPARATUS FOR ENCRYPTED COMMUNICATIONS USING IPSEC KEYS

    公开(公告)号:CA2655316A1

    公开(公告)日:2007-12-27

    申请号:CA2655316

    申请日:2007-06-20

    Applicant: MOTOROLA INC

    Abstract: Disclosed is a method for encrypted communications. A first IPsec endpoin t selects a security association (SA) from a security association database ( SAD) by using a selector and then extracts an indexing parameter from SA. Th e indexing parameter is used to determine an active key location from a key storage database (KSD). Data packets are then encrypted using a key from the active key location. The first IPsec endpoint also forms a security paramet er index (SPI) in a header of the data packet by using a keyID from the acti ve key location and transmits the encrypted data packet with the header indi cating the SPI to a second IPsec endpoint.

    APPARATUS AND METHOD OF READING A PROGRAM INTO A PROCESSOR

    公开(公告)号:CA2292667C

    公开(公告)日:2004-01-27

    申请号:CA2292667

    申请日:1999-03-11

    Applicant: MOTOROLA INC

    Abstract: The following describes an apparatus for and method of providing a secure method of downloading a program into a processor (101) from a device (103) external to the processor (101). The program may be encrypted (207) prior to its entry into the external device (103). The program may also have authentication information added (203 and 207) to it. Authentication information may be provided on an unencrypted and/or an encrypted program. T he processor (101) decrypts (307) and/or successfully authenticates (311) the program before allowing the program to be executed by the processor (101).

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