From 841d8e1b09250eacd42d5388cfb8f3c4200b7d94 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Wed, 16 Feb 2022 21:58:01 +0100
Subject: [PATCH] missed a file.  MIT license

---
 tools/mfd_aes_brute/detectaes.h | 72 +++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 tools/mfd_aes_brute/detectaes.h

diff --git a/tools/mfd_aes_brute/detectaes.h b/tools/mfd_aes_brute/detectaes.h
new file mode 100644
index 000000000..cf028ed06
--- /dev/null
+++ b/tools/mfd_aes_brute/detectaes.h
@@ -0,0 +1,72 @@
+// Checks if CPU has support of AES instructions
+//
+// @author kryukov@frtk.ru
+//
+// Source code from:
+//
+// https://github.com/pavelkryukov/putty-aes-ni/blob/master/aescpuid.c
+//
+// MIT License
+// Copyright (c) 2012-2021 Pavel Kryukov, Maxim Kuznetsov, and Svyatoslav Kuzmich
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+
+#include <stdbool.h>
+#include <stdio.h>
+
+#if defined(__x86_64__) || defined(__i386)
+
+#if defined(__clang__) || defined(__GNUC__)
+
+#include <cpuid.h>
+static bool platform_aes_hw_available(void) {
+    unsigned int CPUInfo[4];
+    __cpuid(1, CPUInfo[0], CPUInfo[1], CPUInfo[2], CPUInfo[3]);
+    return (CPUInfo[2] & (1 << 25)) != 0 && (CPUInfo[2] & (1 << 19)) != 0; /* Check AES and SSE4.1 */
+}
+
+#else /* defined(__clang__) || defined(__GNUC__) */
+
+static bool platform_aes_hw_available(void) {
+    unsigned int CPUInfo[4];
+    __cpuid(CPUInfo, 1);
+    return (CPUInfo[2] & (1 << 25)) != 0 && (CPUInfo[2] & (1 << 19)) != 0; /* Check AES and SSE4.1 */
+}
+
+#endif /* defined(__clang__) || defined(__GNUC__) */
+
+#else /* defined(__x86_64__) || defined(__i386) */
+
+
+#include <sys/auxv.h>
+#include <asm/hwcap.h>
+
+static bool platform_aes_hw_available(void) {
+#if defined HWCAP_AES
+    return (getauxval(AT_HWCAP) & HWCAP_AES) != 0;
+#elif defined HWCAP2_AES
+    return (getauxval(AT_HWCAP2) & HWCAP2_AES) != 0;
+
+#else
+    return false;
+#endif
+}
+
+#endif /* defined(__x86_64__) || defined(__i386) */