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#define ||SEED_RAM_LEN (2048 / sizeof(uint32_t))|
| ||SRAM length considered for seeding. |
|#define ||PUF_SRAM_MARKER (0xad3021ff)|
| ||SRAM marker to detect reboot without power-off. More...|
|void ||puf_sram_init (const uint8_t *ram, size_t len)|
| ||checks source of reboot by |
puf_sram_softreset and conditionally calls
|void ||puf_sram_generate (const uint8_t *ram, size_t len)|
| ||builds hash from |
SEED_RAM_LEN bytes uninitialized SRAM, writes it to the global variable
puf_sram_seed and returns the value More...
|bool ||puf_sram_softreset (void)|
| ||checks for a memory marker to determine whether memory contains old data. More...|
| ||Global seed variable, allocated in puf_sram.c. |
| ||Global seed state, allocated in puf_sram.c 0 means seed was generated from SRAM pattern, 1 means missing power cycle detected, 2 means power cycle detected. More...|