公开(公告)号：US08977871B2

公开(公告)日：2015-03-10

申请号：US13107133

申请日：2011-05-13

申请人： Di Tang ,  Vincent Zimmer ,  James Edwards ,  Rahul Khanna ,  Yufu Li ,  Abdul Bailey

发明人： Di Tang ,  Vincent Zimmer ,  James Edwards ,  Rahul Khanna ,  Yufu Li ,  Abdul Bailey

IPC分类号： G06F1/00 ,  G06F1/32

CPC分类号： G06F1/3203 ,  G06F1/3228 ,  G06F1/3243 ,  G06F9/4401 ,  G06F9/4418 ,  Y02D10/152 ,  Y02D10/44 ,  Y02D50/20

摘要： A system comprises a plurality of processor cores. The processor cores may comprise one or more application processor (AP) cores and a boot strap processor (BSP) core. A basic input/output system (BIOS) comprises an I/O device module to call a stall function in response to an I/O operation, a power management module that couples to the I/O device and a timer module that couples to the power management module. The power management module is to adjust a timer period of the timer module based on a stall delay of the stall function. The power management module may hook the stall function and compare the stall delay with a predetermined threshold and set the timer period to the stall delay in response to determining that the stall delay is longer. The power management module may put the BSP in a sleep mode during the timer period to save power.

摘要翻译： 一种系统包括多个处理器核。 处理器核心可以包括一个或多个应用处理器（AP）核心和引导带处理器（BSP）核心。 基本输入/输出系统（BIOS）包括响应于I / O操作来调用失速功能的I / O设备模块，耦合到I / O设备的电源管理模块和耦合到I / O设备的定时器模块 电源管理模块 电源管理模块是根据失速功能的停止延迟来调整定时器模块的定时器周期。 功率管理模块可以挂起失速功能并将失速延迟与预定阈值进行比较，并响应于确定失速延迟更长而将定时器周期设置为失速延迟。 电源管理模块可以在定时器周期内将BSP置于睡眠模式，以节省电力。

公开(公告)号：US20120159204A1

公开(公告)日：2012-06-21

申请号：US13107133

申请日：2011-05-13

申请人： Di Tang ,  Vincent Zimmer ,  James Edwards ,  Rahul Khanna ,  Yufu Li ,  Abdul Bailey

发明人： Di Tang ,  Vincent Zimmer ,  James Edwards ,  Rahul Khanna ,  Yufu Li ,  Abdul Bailey

IPC分类号： G06F1/26

CPC分类号： G06F1/3203 ,  G06F1/3228 ,  G06F1/3243 ,  G06F9/4401 ,  G06F9/4418 ,  Y02D10/152 ,  Y02D10/44 ,  Y02D50/20

摘要： A system comprises a plurality of processor cores. The processor cores may comprise one or more application processor (AP) cores and a boot strap processor (BSP) core. A basic input/output system (BIOS) comprises an I/O device module to call a stall function in response to an I/O operation, a power management module that couples to the I/O device and a timer module that couples to the power management module. The power management module is to adjust a timer period of the timer module based on a stall delay of the stall function. The power management module may hook the stall function and compare the stall delay with a predetermined threshold and set the timer period to the stall delay in response to determining that the stall delay is longer. The power management module may put the BSP in a sleep mode during the timer period to save power.

摘要翻译： 一种系统包括多个处理器核。 处理器核心可以包括一个或多个应用处理器（AP）核心和引导带处理器（BSP）核心。 基本输入/输出系统（BIOS）包括响应于I / O操作来调用失速功能的I / O设备模块，耦合到I / O设备的电源管理模块和耦合到I / 电源管理模块 电源管理模块是根据失速功能的停止延迟来调整定时器模块的定时器周期。 功率管理模块可以挂起失速功能并将失速延迟与预定阈值进行比较，并响应于确定失速延迟更长而将定时器周期设置为失速延迟。 电源管理模块可以在定时器周期内将BSP置于睡眠模式，以节省电力。

公开(公告)号：US20140173709A1

公开(公告)日：2014-06-19

申请号：US13997675

申请日：2011-12-16

申请人： AVIGDOR ELDAR ,  SURESH SUGUMAR ,  CRAIG OWEN ,  ABDUL BAILEY

发明人： AVIGDOR ELDAR ,  SURESH SUGUMAR ,  CRAIG OWEN ,  ABDUL BAILEY

IPC分类号： H04L29/06

CPC分类号： H04L63/04 ,  G06F21/31 ,  G06F21/74 ,  H04L9/3226 ,  H04L63/083

摘要： Secure authentication to a remote application operating on a remote server across a network includes detecting a login associated with the remote application; and in response to the detected login, offloading the login process to an isolated execution environment configured to receive a login request message from the browser application; identify confidential information stored in the secure memory storage and associated with the remote application; populate the login request message with the identified confidential data; transmit the populated login request message to the remote application; receive a login response message from the remote application upon successful login; and transmit the login response message to the browser application, wherein only the isolated execution environment can read and write to the secure memory storage.

摘要翻译： 通过网络在远程服务器上运行的远程应用程序的安全认证包括检测与远程应用程序相关联的登录; 并且响应于检测到的登录，将登录过程卸载到被配置为从浏览器应用接收登录请求消息的隔离执行环境; 识别存储在安全存储器存储器中并与远程应用相关联的机密信息; 使用所识别的机密数据填充登录请求消息; 将填充的登录请求消息传送到远程应用程序; 成功登录后，从远程应用程序接收登录响应消息; 并将登录响应消息发送到浏览器应用程序，其中只有隔离的执行环境可以读取和写入安全存储器存储器。

公开(公告)号：US20140095887A1

公开(公告)日：2014-04-03

申请号：US13631908

申请日：2012-09-29

申请人： Alex NAYSHTUT ,  Omer BEN-SHALOM ,  Abdul BAILEY ,  Adi SHALIV

发明人： Alex NAYSHTUT ,  Omer BEN-SHALOM ,  Abdul BAILEY ,  Adi SHALIV

IPC分类号： G06F1/04 ,  G06F12/14

CPC分类号： G06F21/725 ,  G06F1/14 ,  G06F21/57 ,  G06F2221/2151

摘要： In accordance with disclosed embodiments, there are provided methods, systems, and apparatuses for maintaining trusted time at a client computing device including, for example, executing a computer program within a client device; initiating a call from the computer program to a secure time service of the client device requesting a trusted time stamp; retrieving, via the secure time service of the client device, a protected time from protected clock hardware of the client device; generating, at the secure time service of the client device, the trusted time stamp by signing the protected time retrieved from the protected clock hardware of the client device; and returning the trusted time stamp to the computer program. Other related embodiments are disclosed.

摘要翻译： 根据所公开的实施例，提供了用于在客户端计算设备处维护可信时间的方法，系统和装置，包括例如在客户端设备内执行计算机程序; 发起从所述计算机程序到所述客户端设备的请求可信时间戳的安全时间服务的呼叫; 通过所述客户端设备的安全时间服务检索来自所述客户端设备的受保护时钟硬件的保护时间; 在所述客户端设备的安全时间服务下，通过签发从所述客户端设备的受保护时钟硬件检索到的保护时间来生成所述可信时间戳; 并将可信时间戳返回到计算机程序。 公开了其他相关实施例。