6f17e00f77
We were computing the next IV in software instead of reading it from HW on the premise that this can be quicker due to the small size of IVs but this proved to be much more hassle and bug ridden than expected. Move to reading the next IV as computed by the HW. This fixes a number of issue with next IV being wrong for OFB, CTS-CBC and probably most of the other ciphers as well. Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
40 lines
785 B
C
40 lines
785 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */
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/* \file cc_cipher.h
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* ARM CryptoCell Cipher Crypto API
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*/
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#ifndef __CC_CIPHER_H__
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#define __CC_CIPHER_H__
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#include <linux/kernel.h>
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#include <crypto/algapi.h>
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#include "cc_driver.h"
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#include "cc_buffer_mgr.h"
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struct cipher_req_ctx {
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struct async_gen_req_ctx gen_ctx;
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enum cc_req_dma_buf_type dma_buf_type;
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u32 in_nents;
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u32 in_mlli_nents;
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u32 out_nents;
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u32 out_mlli_nents;
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u8 *iv;
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struct mlli_params mlli_params;
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};
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int cc_cipher_alloc(struct cc_drvdata *drvdata);
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int cc_cipher_free(struct cc_drvdata *drvdata);
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struct cc_hkey_info {
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u16 keylen;
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u8 hw_key1;
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u8 hw_key2;
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} __packed;
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#define CC_HW_KEY_SIZE sizeof(struct cc_hkey_info)
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#endif /*__CC_CIPHER_H__*/
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