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Keystore management changes

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This commit is contained in:
NIIBE Yutaka
2010-12-03 17:35:22 +09:00
parent d49c33ec96
commit c514ceed60
7 changed files with 49 additions and 51 deletions
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13
src/flash.c
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@@ -150,7 +150,7 @@ flash_erase_page (uint32_t addr)
*
* flash-page-size data pool * 2
*
* 3-KiB Key store (512-byte (p, q and N) key-store * 6)
* 1.5-KiB Key store (512-byte (p, q and N) key-store * 3)
*/
#define FLASH_DATA_POOL_HEADER_SIZE 2
#if defined(STM32F10X_HD)
@@ -159,6 +159,7 @@ flash_erase_page (uint32_t addr)
#define FLASH_PAGE_SIZE 1024
#endif
#define FLASH_DATA_POOL_SIZE (FLASH_PAGE_SIZE*2)
#define FLASH_KEYSTORE_SIZE (512*3)
static const uint8_t *data_pool;
static const uint8_t *keystore_pool;
@@ -383,6 +384,9 @@ flash_key_alloc (void)
{
uint8_t *k = (uint8_t *)keystore;
if ((k - keystore_pool) >= FLASH_KEYSTORE_SIZE)
return NULL;
keystore += 512;
return k;
}
@@ -416,9 +420,12 @@ flash_key_write (uint8_t *key_addr, const uint8_t *key_data,
}
void
flash_key_release (const uint8_t *key_addr)
flash_keystore_release (void)
{
(void)key_addr; /* Not yet */
flash_erase_page ((uint32_t)keystore_pool);
#if FLASH_KEYSTORE_SIZE > FLASH_PAGE_SIZE
flash_erase_page ((uint32_t)keystore_pool + FLASH_PAGE_SIZE);
#endif
}
void