Cryptography – Communication system using cryptography – Symmetric key cryptography
Reexamination Certificate
2011-04-12
2011-04-12
Srivastava, Vivek (Department: 2433)
Cryptography
Communication system using cryptography
Symmetric key cryptography
C380S270000, C455S466000, C370S397000
Reexamination Certificate
active
07925021
ABSTRACT:
A messaging system includes a first mailbox storage assigned to receive a message for the first processor and a first lock indicator having a first state to indicate that the first mailbox storage can receive a message and a second state to indicate that the first mailbox storage cannot receive a message. The system also includes a second mailbox storage assigned to receive a message for the second processor and a second lock indicator having a first state to indicate that the second mailbox storage can receive a message and a second state to indicate that the second mailbox storage cannot receive a message. The lock indicators are changed to their second state when a message is placed in their respective mailbox storage and are changes to their first state in response to its contents being read by the respective processor.
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Raju Kartik
Un Mehmet
Anderson Michael
Baker & Botts L.L.P.
Fujitsu Limited
Srivastava Vivek
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