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Diffstat (limited to 'arch/x86/crypto/sha512-mb/sha512_mb_ctx.h')
-rw-r--r--arch/x86/crypto/sha512-mb/sha512_mb_ctx.h130
1 files changed, 130 insertions, 0 deletions
diff --git a/arch/x86/crypto/sha512-mb/sha512_mb_ctx.h b/arch/x86/crypto/sha512-mb/sha512_mb_ctx.h
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index 000000000000..9d4b2c8208d5
--- /dev/null
+++ b/arch/x86/crypto/sha512-mb/sha512_mb_ctx.h
@@ -0,0 +1,130 @@
+/*
+ * Header file for multi buffer SHA512 context
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2016 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * Contact Information:
+ * Megha Dey <megha.dey@linux.intel.com>
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2016 Intel Corporation.
+ *
+ * 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 Intel Corporation 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE 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 _SHA_MB_CTX_INTERNAL_H
+#define _SHA_MB_CTX_INTERNAL_H
+
+#include "sha512_mb_mgr.h"
+
+#define HASH_UPDATE 0x00
+#define HASH_FIRST 0x01
+#define HASH_LAST 0x02
+#define HASH_ENTIRE 0x03
+#define HASH_DONE 0x04
+#define HASH_FINAL 0x08
+
+#define HASH_CTX_STS_IDLE 0x00
+#define HASH_CTX_STS_PROCESSING 0x01
+#define HASH_CTX_STS_LAST 0x02
+#define HASH_CTX_STS_COMPLETE 0x04
+
+enum hash_ctx_error {
+ HASH_CTX_ERROR_NONE = 0,
+ HASH_CTX_ERROR_INVALID_FLAGS = -1,
+ HASH_CTX_ERROR_ALREADY_PROCESSING = -2,
+ HASH_CTX_ERROR_ALREADY_COMPLETED = -3,
+};
+
+#define hash_ctx_user_data(ctx) ((ctx)->user_data)
+#define hash_ctx_digest(ctx) ((ctx)->job.result_digest)
+#define hash_ctx_processing(ctx) ((ctx)->status & HASH_CTX_STS_PROCESSING)
+#define hash_ctx_complete(ctx) ((ctx)->status == HASH_CTX_STS_COMPLETE)
+#define hash_ctx_status(ctx) ((ctx)->status)
+#define hash_ctx_error(ctx) ((ctx)->error)
+#define hash_ctx_init(ctx) \
+ do { \
+ (ctx)->error = HASH_CTX_ERROR_NONE; \
+ (ctx)->status = HASH_CTX_STS_COMPLETE; \
+ } while (0)
+
+/* Hash Constants and Typedefs */
+#define SHA512_DIGEST_LENGTH 8
+#define SHA512_LOG2_BLOCK_SIZE 7
+
+#define SHA512_PADLENGTHFIELD_SIZE 16
+
+#ifdef SHA_MB_DEBUG
+#define assert(expr) \
+do { \
+ if (unlikely(!(expr))) { \
+ printk(KERN_ERR "Assertion failed! %s,%s,%s,line=%d\n", \
+ #expr, __FILE__, __func__, __LINE__); \
+ } \
+} while (0)
+#else
+#define assert(expr) do {} while (0)
+#endif
+
+struct sha512_ctx_mgr {
+ struct sha512_mb_mgr mgr;
+};
+
+/* typedef struct sha512_ctx_mgr sha512_ctx_mgr; */
+
+struct sha512_hash_ctx {
+ /* Must be at struct offset 0 */
+ struct job_sha512 job;
+ /* status flag */
+ int status;
+ /* error flag */
+ int error;
+
+ uint32_t total_length;
+ const void *incoming_buffer;
+ uint32_t incoming_buffer_length;
+ uint8_t partial_block_buffer[SHA512_BLOCK_SIZE * 2];
+ uint32_t partial_block_buffer_length;
+ void *user_data;
+};
+
+#endif