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qat_hw_chachapoly.h
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qat_hw_chachapoly.h
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/* ====================================================================
*
*
* BSD LICENSE
*
* Copyright(c) 2021-2024 Intel Corporation.
* 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 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.
*
*
* ====================================================================
*/
/*****************************************************************************
* @file qat_hw_chachapoly.h
*
* This file provides an interface for CHACHAPOLY operations
*
*****************************************************************************/
#ifndef QAT_HW_CHACHAPOLY_H
# define QAT_HW_CHACHAPOLY_H
#include "cpa.h"
#include "cpa_types.h"
#include "cpa_cy_sym.h"
# define QAT_POLY1305_DIGEST_SIZE 16
# define QAT_POLY1305_BLOCK_SIZE 16
# define QAT_CHACHA20_POLY1305_MAX_IVLEN 12
# define QAT_CHACHA_KEY_SIZE 32
# define QAT_CHACHA_BLK_SIZE 64
# define QAT_CHACHA_CTR_SIZE 16
# define QAT_CP_SW_CTX_MEM_SIZE 456
typedef struct qat_chachapoly_ctx_t {
void *sw_ctx_cipher_data;
int inst_num;
int context_params_set;
int session_init;
CpaCySymSessionSetupData *session_data;
CpaCySymSessionCtx session_ctx;
CpaCySymOpData *opd;
CpaBufferList pSrcBufferList;
CpaBufferList pDstBufferList;
CpaFlatBuffer src_buffer;
CpaFlatBuffer dst_buffer;
unsigned char tag[QAT_POLY1305_BLOCK_SIZE];
unsigned char *tls_aad;
unsigned char cipher_key[QAT_CHACHA_KEY_SIZE];
unsigned char *mac_key;
unsigned char nonce[QAT_CHACHA20_POLY1305_MAX_IVLEN];
unsigned char derived_iv[QAT_CHACHA20_POLY1305_MAX_IVLEN];
unsigned int counter[QAT_CHACHA_CTR_SIZE/4];
unsigned int iv[3];
unsigned int chacha_key[QAT_CHACHA_KEY_SIZE/4];
int key_set;
int iv_set;
int mac_key_set;
int tag_len;
int nonce_len;
int tls_aad_len;
size_t tls_payload_length;
int packet_size;
int qat_svm;
int tag_set;
}qat_chachapoly_ctx;
/* Standalone utility structure for chacha core operation. */
typedef union {
unsigned int u[QAT_CHACHA_CTR_SIZE];
unsigned char c[QAT_CHACHA_BLK_SIZE];
}chacha_buf;
const EVP_CIPHER *chachapoly_cipher_meth(int nid, int keylen);
# define qat_chachapoly_data(ctx) \
((qat_chachapoly_ctx *)EVP_CIPHER_CTX_get_cipher_data(ctx))
# define NO_TLS_PAYLOAD_LENGTH ((size_t)-1)
# define CHACHA_U8TOU32(p) ( \
((unsigned int)(p)[0]) | ((unsigned int)(p)[1]<<8) | \
((unsigned int)(p)[2]<<16) | ((unsigned int)(p)[3]<<24) )
#define U8C(v) (v##U)
#define U8V(v) ((unsigned char)(v) & U8C(0xFF))
#define U32TOU8(p, v) \
do { \
(p)[0] = U8V((v) ); \
(p)[1] = U8V((v) >> 8); \
(p)[2] = U8V((v) >> 16); \
(p)[3] = U8V((v) >> 24); \
} while (0)
# define ROTATE(v, n) (((v) << (n)) | ((v) >> (32 - (n))))
# define U32TO8_LITTLE(p, v) do { \
(p)[0] = (u8)(v >> 0); \
(p)[1] = (u8)(v >> 8); \
(p)[2] = (u8)(v >> 16); \
(p)[3] = (u8)(v >> 24); \
} while(0)
# define U8TO32_LITTLE(p) \
(((uint32_t)((p)[0]) << 0) | \
((uint32_t)((p)[1]) << 8) | \
((uint32_t)((p)[2]) << 16) | \
((uint32_t)((p)[3]) << 24))
/* QUARTERROUND updates a, b, c, d with a ChaCha "quarter" round. */
# define QUARTERROUND(a,b,c,d) ( \
x[a] += x[b], x[d] = ROTATE((x[d] ^ x[a]),16), \
x[c] += x[d], x[b] = ROTATE((x[b] ^ x[c]),12), \
x[a] += x[b], x[d] = ROTATE((x[d] ^ x[a]), 8), \
x[c] += x[d], x[b] = ROTATE((x[b] ^ x[c]), 7) )
#endif