[PATCH v2 7/7] i440fx: add an iommu
Posted Nov 2, 2012 0:15 UTC (Fri) by vonbrand
Parent article: [PATCH v2 7/7] i440fx: add an iommu
Several rounds of XOR are equivalent to one round of XOR... get two messages XORed to the same key, you have the XOR of the messages. Know some bits of the message, you get the bits of the key.
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