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Merge remote-tracking branch 'upstream/pr/2945' into baremetal

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* upstream/pr/2945:
  Rename macro MBEDTLS_MAX_RAND_DELAY
  Update signature of mbedtls_platform_random_delay
  Replace mbedtls_platform_enforce_volatile_reads 2
  Replace mbedtls_platform_enforce_volatile_reads
  Add more variation to random delay countermeasure
  Add random  delay to enforce_volatile_reads
  Update comments of mbedtls_platform_random_delay
  Follow Mbed TLS coding style
  Add random delay function to platform_utils
This commit is contained in:
Arto Kinnunen 2020-01-17 11:21:16 +02:00
commit 10a2ffde5d
10 changed files with 72 additions and 43 deletions
tinycrypt
ecc_dsa.c

2
tinycrypt/ecc_dsa.c
View file

@ -279,7 +279,7 @@ int uECC_verify(const uint8_t *public_key, const uint8_t *message_hash,
/* Accept only if v == r. */
diff = uECC_vli_equal(rx, r);
if (diff == 0) {
mbedtls_platform_enforce_volatile_reads();
mbedtls_platform_random_delay();
if (diff == 0) {
return UECC_SUCCESS;
}