Research Article
From Hardware to Operating System: A Static Measurement Method of Android System Based on TrustZone
Table 6
Time required to start components.
| | Unit (ms) | Bl1, Bl2, Bl31 | OP-TEE | Bootloader | Kernel | Android OS |
| | Normal start up | 0 | 0 | 1226 | 5331 | 15052 | | Trusted startup | 1219 | 2127 | 1352 | 5774 | 16484 |
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