】Intel Skylake處理器改版!i7/i5/E3全 - 3C
By Skylar DavisLinda
at 2015-10-04T17:07
at 2015-10-04T17:07
Table of Contents
Intel Skylake處理器改版!i7/i5/E3全換新
先別慌,這並非什麼品質問題,而是Intel將在10月底的新貨中為Skylake處理器添加一項
新功能SGX(Software Guard Extensions,軟體防護擴展指令)。
SGX最早在2013年推出,主要功能是在計算平台上提供一個可信的空間(類似「沙盒」)
,保障用戶關鍵代碼和數據的機密性和完整性。
http://i.imgur.com/a38QWAm.png
具體來說,這種方式並不是識別和隔離平台上的所有惡意軟體,而是將合法軟體的安全操
作封裝在一個enclave中,保護其不受惡意軟體的攻擊,特權或者非特權的軟體都無法訪
問enclave,也就是說,一旦軟體和數據位於enclave中,即便操作系統或者和VMM(
Hypervisor)也無法影響enclave裡面的代碼和數據。Enclave的安全邊界只包含CPU和它
自身。
http://i.imgur.com/K6cBWCr.png
Intel表示,受影響的Skylake處理器主要集中在中高階,包括盒裝和散片的
i7\i5\E3-1200 v5系列。
另外,隨之發生變化的僅有S-Spec和MM編號,,其他像步進版本(R0)、CPUID(0x506E3
)、Die大小、封裝、包裝盒等都不變,BIOS也不需要更新。
新品的出貨日定在10月26號。截至發稿,Intel並沒有說明為什麼前期的Skylake不支持
SGX。
全部型號
http://i.imgur.com/5sKeG4L.png
http://i.imgur.com/Qxqnuiu.png
來源 http://news.mydrivers.com/1/449/449673.htm
--
先別慌,這並非什麼品質問題,而是Intel將在10月底的新貨中為Skylake處理器添加一項
新功能SGX(Software Guard Extensions,軟體防護擴展指令)。
SGX最早在2013年推出,主要功能是在計算平台上提供一個可信的空間(類似「沙盒」)
,保障用戶關鍵代碼和數據的機密性和完整性。
http://i.imgur.com/a38QWAm.png
具體來說,這種方式並不是識別和隔離平台上的所有惡意軟體,而是將合法軟體的安全操
作封裝在一個enclave中,保護其不受惡意軟體的攻擊,特權或者非特權的軟體都無法訪
問enclave,也就是說,一旦軟體和數據位於enclave中,即便操作系統或者和VMM(
Hypervisor)也無法影響enclave裡面的代碼和數據。Enclave的安全邊界只包含CPU和它
自身。
http://i.imgur.com/K6cBWCr.png
Intel表示,受影響的Skylake處理器主要集中在中高階,包括盒裝和散片的
i7\i5\E3-1200 v5系列。
另外,隨之發生變化的僅有S-Spec和MM編號,,其他像步進版本(R0)、CPUID(0x506E3
)、Die大小、封裝、包裝盒等都不變,BIOS也不需要更新。
新品的出貨日定在10月26號。截至發稿,Intel並沒有說明為什麼前期的Skylake不支持
SGX。
全部型號
http://i.imgur.com/5sKeG4L.png
http://i.imgur.com/Qxqnuiu.png
來源 http://news.mydrivers.com/1/449/449673.htm
--
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