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authorDinesh K Garg <dineshg@codeaurora.org>2014-01-20 13:55:32 -0800
committerZhao Wei Liew <zhaoweiliew@gmail.com>2017-02-12 20:39:24 +0800
commitffb80b2c0a2f614941657a6952630c6523da26d2 (patch)
treea4833310777ff9ce46e8371321a55aa383fe27ac /cryptfs_hw.h
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vold: HW based device encryption
SW based device encryption uses SW crypto engine. This module provides the support for VOLD to utilize HW crypto engine. HW based crypto engine is more efficient both in terms of power and throughput. Change-Id: I34107a0ce50d9fc5c80c15ace0678a0bba7adee5
Diffstat (limited to 'cryptfs_hw.h')
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diff --git a/cryptfs_hw.h b/cryptfs_hw.h
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+/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CRYPTFS_HW_H_
+#define __CRYPTFS_HW_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int set_hw_device_encryption_key(const char*, const char*);
+int update_hw_device_encryption_key(const char*, const char*);
+int is_hw_disk_encryption(const char*);
+
+#ifdef __cplusplus
+}
+#endif
+#endif