From 2e5f0e5024fac21808de12fd9008feb85dc2f02c Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Wed, 19 Sep 2018 14:23:11 -0400
Subject: [PATCH] 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.
---
src/core/file_sys/xts_archive.cpp | 3 ---
1 file changed, 3 deletions(-)
diff --git a/src/core/file_sys/xts_archive.cpp b/src/core/file_sys/xts_archive.cpp
index 6935d2fa22..e937d14039 100644
--- a/src/core/file_sys/xts_archive.cpp
+++ b/src/core/file_sys/xts_archive.cpp
@@ -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) ||
--
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