APT:Wrap1: Difference between revisions

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Steveice10 (talk | contribs)
Created page with "=Request= {| class="wikitable" border="1" |- ! Index Word ! Description |- | 0 | Header code [0x00520104] |- | 1 | Output Size |- | 2 | Input Size |- | 3 | Block Size |- | 4 | ..."
 
Wwylele (talk | contribs)
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=Description=
Similar to [[APT:Wrap]], but using a software AES-CCM implementation with a different key stored in the NS module. This is probably to avoid [[AES_Registers#CCM_mode_pitfall|a bug in the hardware implementation]].

Latest revision as of 22:49, 21 July 2017

Request

Index Word Description
0 Header code [0x00520104]
1 Output Size
2 Input Size
3 Nonce Offset
4 Nonce Size (capped to 12)
5 (Input Size << 4) | 0xA
6 void*, Input
7 (Output Size << 4) | 0xC
8 void*, Output

Response

Index Word Description
0 Header code
1 Result code

Description

Similar to APT:Wrap, but using a software AES-CCM implementation with a different key stored in the NS module. This is probably to avoid a bug in the hardware implementation.