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Checking in critical places if the mbedtls_platform_zeroize() was successful

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Signed-off-by: Piotr Nowicki <piotr.nowicki@arm.com>
This commit is contained in:
Piotr Nowicki 2020-06-29 15:03:56 +02:00
parent ed840dbcd8
commit a6348edc23
2 changed files with 11 additions and 5 deletions
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6
tinycrypt/ecc_dh.c
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@ -186,7 +186,9 @@ int uECC_shared_secret(const uint8_t *public_key, const uint8_t *private_key,
uECC_vli_nativeToBytes(secret, num_bytes, _public);
/* erasing temporary buffer used to store secret: */
mbedtls_platform_zeroize(_private, sizeof(_private));
if (_private == mbedtls_platform_zeroize(_private, sizeof(_private))) {
return r;
}
return r;
return UECC_FAULT_DETECTED;
}