112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
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/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <debug.h>
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#include <crypto5_wrapper.h>
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/* This file is a wrapper to the crypto5_eng.c.
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* This is required so that we maintian the backward compatibility
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* with the authentication logic in image_verify.c
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*/
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static struct crypto_dev dev;
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void crypto_init_params(struct crypto_init_params * params)
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{
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crypto5_init_params(&dev, params);
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}
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void crypto_eng_cleanup(void)
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{
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crypto5_cleanup(&dev);
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}
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void ce_clock_init(void)
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{
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/* Clock init is done during crypto_init. */
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}
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void crypto_eng_reset(void)
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{
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/* Reset tied in with the clock init. */
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}
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void crypto_eng_init(void)
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{
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crypto5_init(&dev);
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}
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void crypto_set_sha_ctx(void *ctx_ptr,
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unsigned int bytes_to_write,
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crypto_auth_alg_type auth_alg,
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bool first,
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bool last)
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{
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crypto_SHA256_ctx *sha256_ctx = (crypto_SHA256_ctx *) ctx_ptr;
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sha256_ctx->flags = 0;
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if (first)
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sha256_ctx->flags |= CRYPTO_FIRST_CHUNK;
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if (last)
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sha256_ctx->flags |= CRYPTO_LAST_CHUNK;
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sha256_ctx->bytes_to_write = bytes_to_write;
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crypto5_set_ctx(&dev, ctx_ptr, auth_alg);
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/* Clear the flags. */
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sha256_ctx->flags = 0;
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}
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void crypto_send_data(void *ctx_ptr,
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unsigned char *data_ptr,
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unsigned int buff_size,
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unsigned int bytes_to_write,
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unsigned int *ret_status)
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{
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*ret_status = crypto5_send_data(&dev, ctx_ptr, data_ptr);
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}
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void crypto_get_digest(unsigned char *digest_ptr,
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unsigned int *ret_status,
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crypto_auth_alg_type auth_alg,
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bool last)
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{
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*ret_status = crypto5_get_digest(&dev, digest_ptr, auth_alg);
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}
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void crypto_get_ctx(void *ctx_ptr)
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{
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crypto5_get_ctx(&dev, ctx_ptr);
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}
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uint32_t crypto_get_max_auth_blk_size()
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{
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return crypto5_get_max_auth_blk_size(&dev);
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}
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