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/* Copyright (c) 2014, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef ODP_CRYPTO_INTERNAL_H_
#define ODP_CRYPTO_INTERNAL_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <openssl/evp.h>
#define MAX_IV_LEN 64
#define OP_RESULT_MAGIC 0x91919191
/** Forward declaration of session structure */
typedef struct odp_crypto_generic_session odp_crypto_generic_session_t;
/**
* Algorithm handler function prototype
*/
typedef
odp_crypto_alg_err_t (*crypto_func_t)(odp_crypto_op_param_t *param,
odp_crypto_generic_session_t *session);
/**
* Per crypto session data structure
*/
struct odp_crypto_generic_session {
struct odp_crypto_generic_session *next;
/* Session creation parameters */
odp_crypto_session_param_t p;
odp_bool_t do_cipher_first;
struct {
/* Copy of session IV data */
uint8_t iv_data[MAX_IV_LEN];
uint8_t key_data[EVP_MAX_KEY_LENGTH];
const EVP_CIPHER *evp_cipher;
crypto_func_t func;
} cipher;
struct {
uint8_t key[EVP_MAX_KEY_LENGTH];
uint32_t key_length;
uint32_t bytes;
const EVP_MD *evp_md;
crypto_func_t func;
} auth;
};
/**
* Per packet operation result
*/
typedef struct odp_crypto_generic_op_result {
uint32_t magic;
odp_crypto_op_result_t result;
} odp_crypto_generic_op_result_t;
/**
* Per session creation operation result
*/
typedef struct odp_crypto_generic_session_result {
odp_crypto_ses_create_err_t rc;
odp_crypto_session_t session;
} odp_crypto_generic_session_result_t;
#ifdef __cplusplus
}
#endif
#endif
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