#include "hashes.h"
#include "thread.h"
Go to the source code of this file.
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#define | SEED_RAM_LEN (2048 / sizeof(uint32_t)) |
| | SRAM length considered for seeding.
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| #define | PUF_SRAM_MARKER (0xad3021ff) |
| | SRAM marker to detect reboot without power-off. More...
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| void | puf_sram_init (const uint8_t *ram, size_t len) |
| | checks source of reboot by puf_sram_softreset and conditionally calls puf_sram_generate More...
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| 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...
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| bool | puf_sram_softreset (void) |
| | checks for a memory marker to determine whether memory contains old data. More...
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uint32_t | puf_sram_seed |
| | Global seed variable, allocated in puf_sram.c.
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| uint32_t | puf_sram_state |
| | 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...
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| uint32_t | puf_sram_softreset_cnt |
| | Counter variable allocated in puf_sram.c. More...
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Include dependency graph for puf_sram.h: