63ee04c8b4
Add CryptoCell skcipher support Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
60 lines
1.3 KiB
C
60 lines
1.3 KiB
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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/* Crypto cipher flags */
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#define CC_CRYPTO_CIPHER_KEY_KFDE0 BIT(0)
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#define CC_CRYPTO_CIPHER_KEY_KFDE1 BIT(1)
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#define CC_CRYPTO_CIPHER_KEY_KFDE2 BIT(2)
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#define CC_CRYPTO_CIPHER_KEY_KFDE3 BIT(3)
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#define CC_CRYPTO_CIPHER_DU_SIZE_512B BIT(4)
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#define CC_CRYPTO_CIPHER_KEY_KFDE_MASK (CC_CRYPTO_CIPHER_KEY_KFDE0 | \
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CC_CRYPTO_CIPHER_KEY_KFDE1 | \
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CC_CRYPTO_CIPHER_KEY_KFDE2 | \
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CC_CRYPTO_CIPHER_KEY_KFDE3)
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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 *backup_info; /*store iv for generated IV flow*/
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u8 *iv;
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bool is_giv;
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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 arm_hw_key_info {
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int hw_key1;
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int hw_key2;
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};
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/*
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* This is a stub function that will replaced when we
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* implement secure keys
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*/
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static inline bool cc_is_hw_key(struct crypto_tfm *tfm)
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{
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return false;
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}
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#endif /*__CC_CIPHER_H__*/
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