xts_archive: Remove unused variables from CalculateHMAC256()

These variables aren't used, which still has an impact, as std::vector
cannot be optimized away by the compiler (it's constructor and
destructor are both non-trivial), so this was just wasting memory.
This commit is contained in:
Lioncash 2018-09-19 14:23:11 -04:00
parent 2752183883
commit 2e5f0e5024

View File

@ -30,9 +30,6 @@ static bool CalculateHMAC256(Destination* out, const SourceKey* key, std::size_t
mbedtls_md_context_t context;
mbedtls_md_init(&context);
const auto key_f = reinterpret_cast<const u8*>(key);
const std::vector<u8> key_v(key_f, key_f + key_length);
if (mbedtls_md_setup(&context, mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), 1) ||
mbedtls_md_hmac_starts(&context, reinterpret_cast<const u8*>(key), key_length) ||
mbedtls_md_hmac_update(&context, reinterpret_cast<const u8*>(data), data_length) ||