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andy
2025-06-13 14:38:32 +08:00
parent caf2d9f0c5
commit 160f9f8201
1809 changed files with 648100 additions and 10 deletions
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34
riscv/rtthread/components/drivers/hwcrypto/SConscript Executable file
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Import('RTT_ROOT')
Import('rtconfig')
from building import *
cwd = GetCurrentDir()
CPPPATH = [cwd, str(Dir('#'))]
src = ['hwcrypto.c']
if (GetDepend(['RT_HWCRYPTO_USING_AES']) or
GetDepend(['RT_HWCRYPTO_USING_DES']) or
GetDepend(['RT_HWCRYPTO_USING_3DES']) or
GetDepend(['RT_HWCRYPTO_USING_RC4'])):
src += ['hw_symmetric.c']
if GetDepend(['RT_HWCRYPTO_USING_GCM']):
src += ['hw_gcm.c']
if (GetDepend(['RT_HWCRYPTO_USING_MD5']) or
GetDepend(['RT_HWCRYPTO_USING_SHA1']) or
GetDepend(['RT_HWCRYPTO_USING_SHA2'])):
src += ['hw_hash.c']
if GetDepend(['RT_HWCRYPTO_USING_RNG']):
src += ['hw_rng.c']
if GetDepend(['RT_HWCRYPTO_USING_CRC']):
src += ['hw_crc.c']
if GetDepend(['RT_HWCRYPTO_USING_BIGNUM']):
src += ['hw_bignum.c']
group = DefineGroup('DeviceDrivers', src, depend = ['RT_USING_HWCRYPTO'], CPPPATH = CPPPATH)
Return('group')

318
riscv/rtthread/components/drivers/hwcrypto/hw_bignum.c Executable file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-25 tyx the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <hw_bignum.h>
static struct rt_hwcrypto_ctx *bignum_default;
rt_inline rt_err_t hwcrypto_bignum_dev_is_init(void)
{
struct rt_hwcrypto_device *dev;
if (bignum_default)
{
return RT_EOK;
}
dev = rt_hwcrypto_dev_default();
if (dev == RT_NULL)
{
return -RT_ERROR;
}
return rt_hwcrypto_bignum_default(dev);
}
/**
* @brief Setting bignum default devices
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_default(struct rt_hwcrypto_device *device)
{
if (bignum_default)
{
rt_hwcrypto_ctx_destroy(bignum_default);
bignum_default = RT_NULL;
}
if (device == RT_NULL)
{
return RT_EOK;
}
bignum_default = rt_hwcrypto_ctx_create(device, HWCRYPTO_TYPE_BIGNUM, sizeof(struct hwcrypto_bignum));
if (bignum_default == RT_NULL)
{
return -RT_ERROR;
}
return RT_EOK;
}
/**
* @brief Init bignum obj
*
* @param n bignum obj
*/
void rt_hwcrypto_bignum_init(struct hw_bignum_mpi *n)
{
if(n == RT_NULL)
return;
n->sign = 1;
n->total = 0;
n->p = RT_NULL;
}
/**
* @brief free a bignum obj
*
* @param Pointer to bignum obj
*/
void rt_hwcrypto_bignum_free(struct hw_bignum_mpi *n)
{
if (n)
{
rt_memset(n->p, 0xFF, n->total);
rt_free(n->p);
n->sign = 0;
n->total = 0;
n->p = RT_NULL;
}
}
/**
* @brief Get length of bignum as an unsigned binary buffer
*
* @param n bignum obj
*
* @return binary buffer length
*/
int rt_hwcrypto_bignum_get_len(const struct hw_bignum_mpi *n)
{
int tmp_len, total;
if (n == RT_NULL || n->p == RT_NULL)
{
return 0;
}
tmp_len = 0;
total = n->total;
while ((total > 0) && (n->p[total - 1] == 0))
{
tmp_len++;
total--;
}
return n->total - tmp_len;
}
/**
* @brief Export n into unsigned binary data, big endian
*
* @param n bignum obj
* @param buf Buffer for the binary number
* @param len Length of the buffer
*
* @return export bin length
*/
int rt_hwcrypto_bignum_export_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len)
{
int cp_len, i, j;
if (n == RT_NULL || buf == RT_NULL)
{
return 0;
}
rt_memset(buf, 0, len);
cp_len = (int)n->total > len ? len : (int)n->total;
for(i = cp_len, j = 0; i > 0; i--, j++)
{
buf[i - 1] = n->p[j];
}
return cp_len;
}
/**
* @brief Import n from unsigned binary data, big endian
*
* @param n bignum obj
* @param buf Buffer for the binary number
* @param len Length of the buffer
*
* @return import length.
*/
int rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len)
{
int cp_len, i, j;
void *temp_p;
if (n == RT_NULL || buf == RT_NULL)
{
return 0;
}
if ((int)n->total < len)
{
temp_p = rt_malloc(len);
if (temp_p == RT_NULL)
{
return 0;
}
rt_free(n->p);
n->p = temp_p;
n->total = len;
}
n->sign = 1;
rt_memset(n->p, 0, n->total);
cp_len = (int)n->total > len ? len : n->total;
for(i = cp_len, j = 0; i > 0; i--, j++)
{
n->p[j] = buf[i - 1];
}
return cp_len;
}
/**
* @brief x = a + b
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_add(struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b)
{
struct hwcrypto_bignum *bignum_ctx;
if (hwcrypto_bignum_dev_is_init() != RT_EOK)
{
return -RT_ERROR;
}
bignum_ctx = (struct hwcrypto_bignum *)bignum_default;
if (bignum_ctx->ops->add)
{
return bignum_ctx->ops->add(bignum_ctx, x, a, b);
}
return -RT_ERROR;
}
/**
* @brief x = a - b
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_sub(struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b)
{
struct hwcrypto_bignum *bignum_ctx;
if (hwcrypto_bignum_dev_is_init() != RT_EOK)
{
return -RT_ERROR;
}
bignum_ctx = (struct hwcrypto_bignum *)bignum_default;
if (bignum_ctx->ops->sub)
{
return bignum_ctx->ops->sub(bignum_ctx, x, a, b);
}
return -RT_ERROR;
}
/**
* @brief x = a * b
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_mul(struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b)
{
struct hwcrypto_bignum *bignum_ctx;
if (hwcrypto_bignum_dev_is_init() != RT_EOK)
{
return -RT_ERROR;
}
bignum_ctx = (struct hwcrypto_bignum *)bignum_default;
if (bignum_ctx->ops->mul)
{
return bignum_ctx->ops->mul(bignum_ctx, x, a, b);
}
return -RT_ERROR;
}
/**
* @brief x = a * b (mod c)
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_mulmod(struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c)
{
struct hwcrypto_bignum *bignum_ctx;
if (hwcrypto_bignum_dev_is_init() != RT_EOK)
{
return -RT_ERROR;
}
bignum_ctx = (struct hwcrypto_bignum *)bignum_default;
if (bignum_ctx->ops->mulmod)
{
return bignum_ctx->ops->mulmod(bignum_ctx, x, a, b, c);
}
return -RT_ERROR;
}
/**
* @brief x = a ^ b (mod c)
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_exptmod(struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c)
{
struct hwcrypto_bignum *bignum_ctx;
if (hwcrypto_bignum_dev_is_init() != RT_EOK)
{
return -RT_ERROR;
}
bignum_ctx = (struct hwcrypto_bignum *)bignum_default;
if (bignum_ctx->ops->exptmod)
{
return bignum_ctx->ops->exptmod(bignum_ctx, x, a, b, c);
}
return -RT_ERROR;
}

186
riscv/rtthread/components/drivers/hwcrypto/hw_bignum.h Executable file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-25 tyx the first version
*/
#ifndef __HW_BIGNUM_H__
#define __HW_BIGNUM_H__
#include <hwcrypto.h>
#ifdef __cplusplus
extern "C" {
#endif
struct hwcrypto_bignum;
/* bignum obj */
struct hw_bignum_mpi
{
int sign; /**< integer sign. -1 or 1 */
rt_size_t total; /**< total of limbs */
rt_uint8_t *p; /**< pointer to limbs */
};
struct hwcrypto_bignum_ops
{
rt_err_t (*add)(struct hwcrypto_bignum *bignum_ctx,
struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b); /**< x = a + b */
rt_err_t (*sub)(struct hwcrypto_bignum *bignum_ctx,
struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b); /**< x = a - b */
rt_err_t (*mul)(struct hwcrypto_bignum *bignum_ctx,
struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b); /**< x = a * b */
rt_err_t (*mulmod)(struct hwcrypto_bignum *bignum_ctx,
struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c); /**< x = a * b (mod c) */
rt_err_t (*exptmod)(struct hwcrypto_bignum *bignum_ctx,
struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c); /**< x = a ^ b (mod c) */
};
/**
* @brief bignum context. Hardware driver usage
*/
struct hwcrypto_bignum
{
struct rt_hwcrypto_ctx parent; /**< Inheritance from hardware crypto context */
const struct hwcrypto_bignum_ops *ops; /**< !! Hardware initializes this value when creating context !! */
};
/**
* @brief Setting bignum default devices
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_default(struct rt_hwcrypto_device *device);
/**
* @brief Init bignum obj
*/
void rt_hwcrypto_bignum_init(struct hw_bignum_mpi *n);
/**
* @brief free a bignum obj
*
* @param Pointer to bignum obj
*/
void rt_hwcrypto_bignum_free(struct hw_bignum_mpi *n);
/**
* @brief Get length of bignum as an unsigned binary buffer
*
* @param n bignum obj
*
* @return binary buffer Length
*/
int rt_hwcrypto_bignum_get_len(const struct hw_bignum_mpi *n);
/**
* @brief Export n into unsigned binary data, big endian
*
* @param n bignum obj
* @param buf Buffer for the binary number
* @param len Length of the buffer
*
* @return export bin length
*/
int rt_hwcrypto_bignum_export_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len);
/**
* @brief Import n from unsigned binary data, big endian
*
* @param n bignum obj
* @param buf Buffer for the binary number
* @param len Length of the buffer
*
* @return import length.
*/
int rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len);
/**
* @brief x = a + b
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_add(struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b);
/**
* @brief x = a - b
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_sub(struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b);
/**
* @brief x = a * b
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_mul(struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b);
/**
* @brief x = a * b (mod c)
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_mulmod(struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c);
/**
* @brief x = a ^ b (mod c)
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_exptmod(struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c);
#ifdef __cplusplus
}
#endif
#endif

117
riscv/rtthread/components/drivers/hwcrypto/hw_crc.c Executable file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-25 tyx the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <hw_crc.h>
/**
* @brief Creating CRC Context
*
* @param device Hardware crypto device
* @param mode Setting default mode or custom mode
*
* @return CRC context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_crc_create(struct rt_hwcrypto_device *device,
hwcrypto_crc_mode mode)
{
struct hwcrypto_crc *crc_ctx;
crc_ctx = (struct hwcrypto_crc *)rt_hwcrypto_ctx_create(device, HWCRYPTO_TYPE_CRC, sizeof(struct hwcrypto_crc));
if (crc_ctx == RT_NULL)
{
return RT_NULL;
}
switch (mode)
{
case HWCRYPTO_CRC_CRC8:
{
struct hwcrypto_crc_cfg temp = HWCRYPTO_CRC8_CFG;
crc_ctx->crc_cfg = temp;
break;
}
case HWCRYPTO_CRC_CRC16:
{
struct hwcrypto_crc_cfg temp = HWCRYPTO_CRC16_CFG;
crc_ctx->crc_cfg = temp;
break;
}
case HWCRYPTO_CRC_CRC32:
{
struct hwcrypto_crc_cfg temp = HWCRYPTO_CRC32_CFG;
crc_ctx->crc_cfg = temp;
break;
}
case HWCRYPTO_CRC_CCITT:
{
struct hwcrypto_crc_cfg temp = HWCRYPTO_CRC_CCITT_CFG;
crc_ctx->crc_cfg = temp;
break;
}
case HWCRYPTO_CRC_DNP:
{
struct hwcrypto_crc_cfg temp = HWCRYPTO_CRC_DNP_CFG;
crc_ctx->crc_cfg = temp;
break;
}
default:
break;
}
return &crc_ctx->parent;
}
/**
* @brief Destroy CRC Context
*
* @param ctx CRC context
*/
void rt_hwcrypto_crc_destroy(struct rt_hwcrypto_ctx *ctx)
{
rt_hwcrypto_ctx_destroy(ctx);
}
/**
* @brief Processing a packet of data
*
* @param ctx CRC context
* @param input Data buffer to be Processed
* @param length Data Buffer length
*
* @return CRC value
*/
rt_uint32_t rt_hwcrypto_crc_update(struct rt_hwcrypto_ctx *ctx,
const rt_uint8_t *input,
rt_size_t length)
{
struct hwcrypto_crc *crc_ctx = (struct hwcrypto_crc *)ctx;
if (ctx && crc_ctx->ops->update)
{
return crc_ctx->ops->update(crc_ctx, input, length);
}
return 0;
}
/**
* @brief CRC context configuration
*
* @param ctx CRC context
* @param cfg CRC config
*/
void rt_hwcrypto_crc_cfg(struct rt_hwcrypto_ctx *ctx,
struct hwcrypto_crc_cfg *cfg)
{
if (cfg)
{
((struct hwcrypto_crc *)ctx)->crc_cfg = *cfg;
}
}

148
riscv/rtthread/components/drivers/hwcrypto/hw_crc.h Executable file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-25 tyx the first version
*/
#ifndef __HW_CRC_H__
#define __HW_CRC_H__
#include <hwcrypto.h>
#define CRC_FLAG_REFIN (0x1 << 0)
#define CRC_FLAG_REFOUT (0x1 << 1)
#define HWCRYPTO_CRC8_CFG \
{ \
.last_val = 0x00, \
.poly = 0x07, \
.width = 8, \
.xorout = 0x00, \
.flags = 0, \
}
#define HWCRYPTO_CRC16_CFG \
{ \
.last_val = 0x0000, \
.poly = 0x8005, \
.width = 16, \
.xorout = 0x0000, \
.flags = 0, \
}
#define HWCRYPTO_CRC32_CFG \
{ \
.last_val = 0x00000000, \
.poly = 0x04C11DB7, \
.width = 32, \
.xorout = 0x00000000, \
.flags = 0, \
}
#define HWCRYPTO_CRC_CCITT_CFG \
{ \
.last_val = 0x0000, \
.poly = 0x1021, \
.width = 16, \
.xorout = 0x0000, \
.flags = CRC_FLAG_REFIN | CRC_FLAG_REFOUT, \
}
#define HWCRYPTO_CRC_DNP_CFG \
{ \
.last_val = 0x0000, \
.poly = 0x3D65, \
.width = 16, \
.xorout = 0xffff, \
.flags = CRC_FLAG_REFIN | CRC_FLAG_REFOUT, \
}
#ifdef __cplusplus
extern "C" {
#endif
struct hwcrypto_crc;
typedef enum
{
HWCRYPTO_CRC_CUSTOM, /**< Custom CRC mode */
HWCRYPTO_CRC_CRC8, /**< poly : 0x07 */
HWCRYPTO_CRC_CRC16, /**< poly : 0x8005 */
HWCRYPTO_CRC_CRC32, /**< poly : 0x04C11DB7 */
HWCRYPTO_CRC_CCITT, /**< poly : 0x1021 */
HWCRYPTO_CRC_DNP, /**< poly : 0x3D65 */
} hwcrypto_crc_mode;
struct hwcrypto_crc_cfg
{
rt_uint32_t last_val; /**< Last CRC value cache */
rt_uint32_t poly; /**< CRC polynomial */
rt_uint16_t width; /**< CRC value width */
rt_uint32_t xorout; /**< Result XOR Value */
rt_uint16_t flags; /**< Input or output data reverse. CRC_FLAG_REFIN or CRC_FLAG_REFOUT */
};
struct hwcrypto_crc_ops
{
rt_uint32_t (*update)(struct hwcrypto_crc *ctx,
const rt_uint8_t *in, rt_size_t length); /**< Perform a CRC calculation. return CRC value */
};
/**
* @brief CRC context. Hardware driver usage
*/
struct hwcrypto_crc
{
struct rt_hwcrypto_ctx parent; /**< Inherited from the standard device */
struct hwcrypto_crc_cfg crc_cfg; /**< CRC configure */
const struct hwcrypto_crc_ops *ops; /**< !! Hardware initializes this value when creating context !! */
};
/**
* @brief Creating CRC Context
*
* @param device Hardware crypto device
* @param mode Setting default mode or custom mode
*
* @return CRC context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_crc_create(struct rt_hwcrypto_device *device,
hwcrypto_crc_mode mode);
/**
* @brief Destroy CRC Context
*
* @param ctx CRC context
*/
void rt_hwcrypto_crc_destroy(struct rt_hwcrypto_ctx *ctx);
/**
* @brief Processing a packet of data
*
* @param ctx CRC context
* @param input Data buffer to be Processed
* @param length Data Buffer length
*
* @return CRC value
*/
rt_uint32_t rt_hwcrypto_crc_update(struct rt_hwcrypto_ctx *ctx,
const rt_uint8_t *input, rt_size_t length);
/**
* @brief CRC context configuration
*
* @param ctx CRC context
* @param cfg CRC config
*/
void rt_hwcrypto_crc_cfg(struct rt_hwcrypto_ctx *ctx,
struct hwcrypto_crc_cfg *cfg);
#ifdef __cplusplus
}
#endif
#endif

218
riscv/rtthread/components/drivers/hwcrypto/hw_gcm.c Executable file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-05-14 tyx the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <hw_gcm.h>
/**
* @brief Creating GCM Context
*
* @param device Hardware crypto device
* @param type Type of symmetric crypto context
*
* @return GCM context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_gcm_create(struct rt_hwcrypto_device *device,
hwcrypto_type crypt_type)
{
struct rt_hwcrypto_ctx *ctx;
ctx = rt_hwcrypto_ctx_create(device, HWCRYPTO_TYPE_GCM, sizeof(struct hwcrypto_gcm));
if (ctx)
{
((struct hwcrypto_gcm *)ctx)->crypt_type = crypt_type;
}
return ctx;
}
/**
* @brief Destroy GCM Context
*
* @param ctx GCM context
*/
void rt_hwcrypto_gcm_destroy(struct rt_hwcrypto_ctx *ctx)
{
rt_hwcrypto_ctx_destroy(ctx);
}
/**
* @brief This function starts a GCM encryption or decryption operation
*
* @param ctx GCM context
* @param add The buffer holding the additional data
* @param add_len The length of the additional data
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_start(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *add,
rt_size_t add_len)
{
struct hwcrypto_gcm *gcm_ctx = (struct hwcrypto_gcm *)ctx;
if (gcm_ctx && gcm_ctx->ops->start)
{
return gcm_ctx->ops->start(gcm_ctx, add, add_len);
}
return -RT_EINVAL;
}
/**
* @brief This function finishes the GCM operation and generates the authentication tag
*
* @param ctx GCM context
* @param tag The buffer for holding the tag
* @param tag_len The length of the tag to generate
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_finish(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *tag,
rt_size_t tag_len)
{
struct hwcrypto_gcm *gcm_ctx = (struct hwcrypto_gcm *)ctx;
if (gcm_ctx && gcm_ctx->ops->finish)
{
return gcm_ctx->ops->finish(gcm_ctx, tag, tag_len);
}
return -RT_EINVAL;
}
/**
* @brief This function performs a symmetric encryption or decryption operation
*
* @param ctx GCM context
* @param mode Operation mode. HWCRYPTO_MODE_ENCRYPT or HWCRYPTO_MODE_DECRYPT
* @param length The length of the input data in Bytes. This must be a multiple of the block size
* @param in The buffer holding the input data
* @param out The buffer holding the output data
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_crypt(struct rt_hwcrypto_ctx *ctx, hwcrypto_mode mode,
rt_size_t length, const rt_uint8_t *in, rt_uint8_t *out)
{
return rt_hwcrypto_symmetric_crypt(ctx, mode, length, in, out);
}
/**
* @brief Set Symmetric Encryption and Decryption Key
*
* @param ctx GCM context
* @param key The crypto key
* @param bitlen The crypto key bit length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_setkey(struct rt_hwcrypto_ctx *ctx,
const rt_uint8_t *key, rt_uint32_t bitlen)
{
return rt_hwcrypto_symmetric_setkey(ctx, key, bitlen);
}
/**
* @brief Get Symmetric Encryption and Decryption Key
*
* @param ctx GCM context
* @param key The crypto key buffer
* @param bitlen The crypto key bit length
*
* @return Key length of copy
*/
rt_err_t rt_hwcrypto_gcm_getkey(struct rt_hwcrypto_ctx *ctx,
rt_uint8_t *key, rt_uint32_t bitlen)
{
return rt_hwcrypto_symmetric_getkey(ctx, key, bitlen);
}
/**
* @brief Set Symmetric Encryption and Decryption initialization vector
*
* @param ctx GCM context
* @param iv The crypto initialization vector
* @param len The crypto initialization vector length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_setiv(struct rt_hwcrypto_ctx *ctx,
const rt_uint8_t *iv, rt_size_t len)
{
return rt_hwcrypto_symmetric_setiv(ctx, iv, len);
}
/**
* @brief Get Symmetric Encryption and Decryption initialization vector
*
* @param ctx GCM context
* @param iv The crypto initialization vector buffer
* @param len The crypto initialization vector buffer length
*
* @return IV length of copy
*/
rt_err_t rt_hwcrypto_gcm_getiv(struct rt_hwcrypto_ctx *ctx,
rt_uint8_t *iv, rt_size_t len)
{
return rt_hwcrypto_symmetric_getiv(ctx, iv, len);
}
/**
* @brief Set offset in initialization vector
*
* @param ctx GCM context
* @param iv_off The offset in IV
*/
void rt_hwcrypto_gcm_set_ivoff(struct rt_hwcrypto_ctx *ctx, rt_int32_t iv_off)
{
rt_hwcrypto_symmetric_set_ivoff(ctx, iv_off);
}
/**
* @brief Get offset in initialization vector
*
* @param ctx GCM context
* @param iv_off It must point to a valid memory
*/
void rt_hwcrypto_gcm_get_ivoff(struct rt_hwcrypto_ctx *ctx, rt_int32_t *iv_off)
{
rt_hwcrypto_symmetric_get_ivoff(ctx, iv_off);
}
/**
* @brief This function copy GCM context
*
* @param des The destination GCM context
* @param src The GCM context to be copy
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_cpy(struct rt_hwcrypto_ctx *des,
const struct rt_hwcrypto_ctx *src)
{
struct hwcrypto_gcm *gcm_des = (struct hwcrypto_gcm *)des;
struct hwcrypto_gcm *gcm_src = (struct hwcrypto_gcm *)src;
if (des != RT_NULL && src != RT_NULL)
{
gcm_des->crypt_type = gcm_src->crypt_type;
/* symmetric crypto context copy */
return rt_hwcrypto_symmetric_cpy(des, src);
}
return -RT_EINVAL;
}
/**
* @brief Reset GCM context
*
* @param ctx GCM context
*/
void rt_hwcrypto_gcm_reset(struct rt_hwcrypto_ctx *ctx)
{
rt_hwcrypto_symmetric_reset(ctx);
}

182
riscv/rtthread/components/drivers/hwcrypto/hw_gcm.h Executable file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-05-14 tyx the first version
*/
#ifndef __HW_GCM_H__
#define __HW_GCM_H__
#include "hw_symmetric.h"
#ifdef __cplusplus
extern "C" {
#endif
struct hwcrypto_gcm;
struct hwcrypto_gcm_ops
{
rt_err_t (*start)(struct hwcrypto_gcm *gcm_ctx,
const unsigned char *add, rt_size_t add_len); /**< Set additional data. start GCM operation */
rt_err_t (*finish)(struct hwcrypto_gcm *gcm_ctx,
const unsigned char *tag, rt_size_t tag_len); /**< finish GCM operation. get tag */
};
/**
* @brief GCM context. Hardware driver usage
*/
struct hwcrypto_gcm
{
struct hwcrypto_symmetric parent; /**< Inheritance from hardware symmetric crypto context */
hwcrypto_type crypt_type; /**< symmetric crypto type. eg: AES/DES */
const struct hwcrypto_gcm_ops *ops; /**< !! Hardware initializes this value when creating context !! */
};
/**
* @brief Creating GCM Context
*
* @param device Hardware crypto device
* @param type Type of symmetric crypto context
*
* @return GCM context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_gcm_create(struct rt_hwcrypto_device *device,
hwcrypto_type crypt_type);
/**
* @brief Destroy GCM Context
*
* @param ctx GCM context
*/
void rt_hwcrypto_gcm_destroy(struct rt_hwcrypto_ctx *ctx);
/**
* @brief This function starts a GCM encryption or decryption operation
*
* @param ctx GCM context
* @param add The buffer holding the additional data
* @param add_len The length of the additional data
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_start(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *add,
rt_size_t add_len);
/**
* @brief This function finishes the GCM operation and generates the authentication tag
*
* @param ctx GCM context
* @param tag The buffer for holding the tag
* @param tag_len The length of the tag to generate
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_finish(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *tag,
rt_size_t tag_len);
/**
* @brief This function performs a symmetric encryption or decryption operation
*
* @param ctx GCM context
* @param mode Operation mode. HWCRYPTO_MODE_ENCRYPT or HWCRYPTO_MODE_DECRYPT
* @param length The length of the input data in Bytes. This must be a multiple of the block size
* @param in The buffer holding the input data
* @param out The buffer holding the output data
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_crypt(struct rt_hwcrypto_ctx *ctx, hwcrypto_mode mode,
rt_size_t length, const rt_uint8_t *in, rt_uint8_t *out);
/**
* @brief Set Symmetric Encryption and Decryption Key
*
* @param ctx GCM context
* @param key The crypto key
* @param bitlen The crypto key bit length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_setkey(struct rt_hwcrypto_ctx *ctx,
const rt_uint8_t *key, rt_uint32_t bitlen);
/**
* @brief Get Symmetric Encryption and Decryption Key
*
* @param ctx GCM context
* @param key The crypto key buffer
* @param bitlen The crypto key bit length
*
* @return Key length of copy
*/
rt_err_t rt_hwcrypto_gcm_getkey(struct rt_hwcrypto_ctx *ctx,
rt_uint8_t *key, rt_uint32_t bitlen);
/**
* @brief Set Symmetric Encryption and Decryption initialization vector
*
* @param ctx GCM context
* @param iv The crypto initialization vector
* @param len The crypto initialization vector length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_setiv(struct rt_hwcrypto_ctx *ctx,
const rt_uint8_t *iv, rt_size_t len);
/**
* @brief Get Symmetric Encryption and Decryption initialization vector
*
* @param ctx GCM context
* @param iv The crypto initialization vector buffer
* @param len The crypto initialization vector buffer length
*
* @return IV length of copy
*/
rt_err_t rt_hwcrypto_gcm_getiv(struct rt_hwcrypto_ctx *ctx,
rt_uint8_t *iv, rt_size_t len);
/**
* @brief Set offset in initialization vector
*
* @param ctx GCM context
* @param iv_off The offset in IV
*/
void rt_hwcrypto_gcm_set_ivoff(struct rt_hwcrypto_ctx *ctx, rt_int32_t iv_off);
/**
* @brief Get offset in initialization vector
*
* @param ctx GCM context
* @param iv_off It must point to a valid memory
*/
void rt_hwcrypto_gcm_get_ivoff(struct rt_hwcrypto_ctx *ctx, rt_int32_t *iv_off);
/**
* @brief This function copy GCM context
*
* @param des The destination GCM context
* @param src The GCM context to be copy
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_gcm_cpy(struct rt_hwcrypto_ctx *des,
const struct rt_hwcrypto_ctx *src);
/**
* @brief Reset GCM context
*
* @param ctx GCM context
*/
void rt_hwcrypto_gcm_reset(struct rt_hwcrypto_ctx *ctx);
#ifdef __cplusplus
}
#endif
#endif

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riscv/rtthread/components/drivers/hwcrypto/hw_hash.c Executable file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-23 tyx the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <hw_hash.h>
/**
* @brief Creating hash Context
*
* @param device Hardware crypto device
* @param type Type of hash context
*
* @return Hash context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_hash_create(struct rt_hwcrypto_device *device, hwcrypto_type type)
{
struct rt_hwcrypto_ctx *ctx;
ctx = rt_hwcrypto_ctx_create(device, type, sizeof(struct hwcrypto_hash));
return ctx;
}
/**
* @brief Destroy hash Context
*
* @param ctx Hash context
*/
void rt_hwcrypto_hash_destroy(struct rt_hwcrypto_ctx *ctx)
{
rt_hwcrypto_ctx_destroy(ctx);
}
/**
* @brief Get the final hash value
*
* @param ctx Hash context
* @param output Hash value buffer
* @param length Hash value buffer length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_finish(struct rt_hwcrypto_ctx *ctx, rt_uint8_t *output, rt_size_t length)
{
if (ctx && ((struct hwcrypto_hash *)ctx)->ops->finish)
{
return ((struct hwcrypto_hash *)ctx)->ops->finish((struct hwcrypto_hash *)ctx, output, length);
}
return -RT_ERROR;
}
/**
* @brief Processing a packet of data
*
* @param ctx Hash context
* @param input Data buffer to be Processed
* @param length Data Buffer length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_update(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *input, rt_size_t length)
{
if (ctx && ((struct hwcrypto_hash *)ctx)->ops->update)
{
return ((struct hwcrypto_hash *)ctx)->ops->update((struct hwcrypto_hash *)ctx, input, length);
}
return -RT_ERROR;
}
/**
* @brief This function copy hash context
*
* @param des The destination hash context
* @param src The hash context to be copy
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_cpy(struct rt_hwcrypto_ctx *des, const struct rt_hwcrypto_ctx *src)
{
return rt_hwcrypto_ctx_cpy(des, src);
}
/**
* @brief Reset hash context
*
* @param ctx Hash context
*/
void rt_hwcrypto_hash_reset(struct rt_hwcrypto_ctx *ctx)
{
rt_hwcrypto_ctx_reset(ctx);
}
/**
* @brief Setting hash context type
*
* @param ctx Hash context
* @param type Types of settings
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_set_type(struct rt_hwcrypto_ctx *ctx, hwcrypto_type type)
{
return rt_hwcrypto_set_type(ctx, type);
}

110
riscv/rtthread/components/drivers/hwcrypto/hw_hash.h Executable file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-23 tyx the first version
*/
#ifndef __HW_HASH_H__
#define __HW_HASH_H__
#include <hwcrypto.h>
#ifdef __cplusplus
extern "C" {
#endif
struct hwcrypto_hash;
struct hwcrypto_hash_ops
{
rt_err_t (*update)(struct hwcrypto_hash *hash_ctx,
const rt_uint8_t *in, rt_size_t length); /**< Processing a packet of data */
rt_err_t (*finish)(struct hwcrypto_hash *hash_ctx,
rt_uint8_t *out, rt_size_t length); /**< Get the final hash value */
};
/**
* @brief hash context. Hardware driver usage
*/
struct hwcrypto_hash
{
struct rt_hwcrypto_ctx parent; /**< Inheritance from hardware crypto context */
const struct hwcrypto_hash_ops *ops; /**< !! Hardware initializes this value when creating context !! */
};
/**
* @brief Creating hash Context
*
* @param device Hardware crypto device
* @param type Type of hash context
*
* @return Hash context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_hash_create(struct rt_hwcrypto_device *device,
hwcrypto_type type);
/**
* @brief Destroy hash Context
*
* @param ctx Hash context
*/
void rt_hwcrypto_hash_destroy(struct rt_hwcrypto_ctx *ctx);
/**
* @brief Get the final hash value
*
* @param ctx Hash context
* @param output Hash value buffer
* @param length Hash value buffer length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_finish(struct rt_hwcrypto_ctx *ctx, rt_uint8_t *output, rt_size_t length);
/**
* @brief Processing a packet of data
*
* @param ctx Hash context
* @param input Data buffer to be Processed
* @param length Data Buffer length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_update(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *input, rt_size_t length);
/**
* @brief This function copy hash context
*
* @param des The destination hash context
* @param src The hash context to be copy
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_cpy(struct rt_hwcrypto_ctx *des, const struct rt_hwcrypto_ctx *src);
/**
* @brief Reset hash context
*
* @param ctx Hash context
*/
void rt_hwcrypto_hash_reset(struct rt_hwcrypto_ctx *ctx);
/**
* @brief Setting hash context type
*
* @param ctx Hash context
* @param type Types of settings
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_set_type(struct rt_hwcrypto_ctx *ctx, hwcrypto_type type);
#ifdef __cplusplus
}
#endif
#endif

110
riscv/rtthread/components/drivers/hwcrypto/hw_rng.c Executable file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-25 tyx the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <hw_rng.h>
/* Used to save default RNG Context */
static struct rt_hwcrypto_ctx *ctx_default;
/**
* @brief Creating RNG Context
*
* @param device Hardware crypto device
*
* @return RNG context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_rng_create(struct rt_hwcrypto_device *device)
{
struct rt_hwcrypto_ctx *ctx;
ctx = rt_hwcrypto_ctx_create(device, HWCRYPTO_TYPE_RNG, sizeof(struct hwcrypto_rng));
return ctx;
}
/**
* @brief Destroy RNG Context
*
* @param ctx RNG context
*/
void rt_hwcrypto_rng_destroy(struct rt_hwcrypto_ctx *ctx)
{
/* Destroy the defaule RNG Context ? */
if (ctx == ctx_default)
{
ctx_default = RT_NULL;
}
rt_hwcrypto_ctx_destroy(ctx);
}
/**
* @brief Setting RNG default devices
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_rng_default(struct rt_hwcrypto_device *device)
{
struct rt_hwcrypto_ctx *tmp_ctx;
/* if device is null, destroy default RNG Context */
if (device == RT_NULL)
{
if (ctx_default)
{
rt_hwcrypto_rng_destroy(ctx_default);
ctx_default = RT_NULL;
}
return RT_EOK;
}
/* Try create RNG Context */
tmp_ctx = rt_hwcrypto_rng_create(device);
if (tmp_ctx == RT_NULL)
{
return -RT_ERROR;
}
/* create RNG Context success, update default RNG Context */
rt_hwcrypto_rng_destroy(ctx_default);
ctx_default = tmp_ctx;
return RT_EOK;
}
/**
* @brief Getting Random Numbers from RNG Context
*
* @param ctx RNG context
*
* @return Random number
*/
rt_uint32_t rt_hwcrypto_rng_update_ctx(struct rt_hwcrypto_ctx *ctx)
{
if (ctx)
{
return ((struct hwcrypto_rng *)ctx)->ops->update((struct hwcrypto_rng *)ctx);
}
return 0;
}
/**
* @brief Return a random number
*
* @return Random number
*/
rt_uint32_t rt_hwcrypto_rng_update(void)
{
/* Default device does not exist ? */
if (ctx_default == RT_NULL)
{
/* try create Context from default device */
rt_hwcrypto_rng_default(rt_hwcrypto_dev_default());
}
return rt_hwcrypto_rng_update_ctx(ctx_default);
}

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riscv/rtthread/components/drivers/hwcrypto/hw_rng.h Executable file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-25 tyx the first version
*/
#ifndef __HW_RNG_H__
#define __HW_RNG_H__
#include <hwcrypto.h>
#ifdef __cplusplus
extern "C" {
#endif
struct hwcrypto_rng;
struct hwcrypto_rng_ops
{
rt_uint32_t (*update)(struct hwcrypto_rng *ctx); /**< Return a random number */
};
/**
* @brief random context. Hardware driver usage
*/
struct hwcrypto_rng
{
struct rt_hwcrypto_ctx parent; /**< Inheritance from hardware crypto context */
const struct hwcrypto_rng_ops *ops; /**< !! Hardware initializes this value when creating context !! */
};
/**
* @brief Creating RNG Context
*
* @param device Hardware crypto device
*
* @return RNG context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_rng_create(struct rt_hwcrypto_device *device);
/**
* @brief Destroy RNG Context
*
* @param ctx RNG context
*/
void rt_hwcrypto_rng_destroy(struct rt_hwcrypto_ctx *ctx);
/**
* @brief Setting RNG default devices
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_rng_default(struct rt_hwcrypto_device *device);
/**
* @brief Getting Random Numbers from RNG Context
*
* @param ctx RNG context
*
* @return Random number
*/
rt_uint32_t rt_hwcrypto_rng_update_ctx(struct rt_hwcrypto_ctx *ctx);
/**
* @brief Return a random number
*
* @return Random number
*/
rt_uint32_t rt_hwcrypto_rng_update(void);
#ifdef __cplusplus
}
#endif
#endif

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riscv/rtthread/components/drivers/hwcrypto/hw_symmetric.c Executable file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-25 tyx the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <hw_symmetric.h>
/**
* @brief Creating Symmetric Encryption and Decryption Context
*
* @param device Hardware crypto device
* @param type Type of symmetric crypto context
*
* @return Symmetric crypto context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_symmetric_create(struct rt_hwcrypto_device *device, hwcrypto_type type)
{
struct rt_hwcrypto_ctx *ctx;
ctx = rt_hwcrypto_ctx_create(device, type, sizeof(struct hwcrypto_symmetric));
return ctx;
}
/**
* @brief Destroy Symmetric Encryption and Decryption Context
*
* @param ctx Symmetric crypto context
*/
void rt_hwcrypto_symmetric_destroy(struct rt_hwcrypto_ctx *ctx)
{
rt_hwcrypto_ctx_destroy(ctx);
}
/**
* @brief This function performs a symmetric encryption or decryption operation
*
* @param ctx Symmetric crypto context
* @param mode Operation mode. HWCRYPTO_MODE_ENCRYPT or HWCRYPTO_MODE_DECRYPT
* @param length The length of the input data in Bytes. This must be a multiple of the block size
* @param in The buffer holding the input data
* @param out The buffer holding the output data
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_symmetric_crypt(struct rt_hwcrypto_ctx *ctx, hwcrypto_mode mode, rt_size_t length, const rt_uint8_t *in, rt_uint8_t *out)
{
struct hwcrypto_symmetric *symmetric_ctx;
struct hwcrypto_symmetric_info symmetric_info;
rt_err_t err;
if (ctx == RT_NULL)
{
return -RT_EINVAL;
}
symmetric_ctx = (struct hwcrypto_symmetric *)ctx;
if (symmetric_ctx->ops->crypt == RT_NULL)
{
return -RT_ERROR;
}
if (mode != HWCRYPTO_MODE_ENCRYPT && mode != HWCRYPTO_MODE_DECRYPT)
{
return -RT_EINVAL;
}
/* Input information packaging */
symmetric_info.mode = mode;
symmetric_info.in = in;
symmetric_info.out = out;
symmetric_info.length = length;
/* Calling Hardware Encryption and Decryption Function */
err = symmetric_ctx->ops->crypt(symmetric_ctx, &symmetric_info);
/* clean up flags */
symmetric_ctx->flags &= ~(SYMMTRIC_MODIFY_KEY | SYMMTRIC_MODIFY_IV | SYMMTRIC_MODIFY_IVOFF);
return err;
}
/**
* @brief Set Symmetric Encryption and Decryption Key
*
* @param ctx Symmetric crypto context
* @param key The crypto key
* @param bitlen The crypto key bit length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_symmetric_setkey(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *key, rt_uint32_t bitlen)
{
struct hwcrypto_symmetric *symmetric_ctx;
if (ctx && bitlen <= RT_HWCRYPTO_KEYBIT_MAX_SIZE)
{
symmetric_ctx = (struct hwcrypto_symmetric *)ctx;
rt_memcpy(symmetric_ctx->key, key, bitlen >> 3);
/* Record key length */
symmetric_ctx->key_bitlen = bitlen;
/* Key change flag set up */
symmetric_ctx->flags |= SYMMTRIC_MODIFY_KEY;
return RT_EOK;
}
return -RT_EINVAL;
}
/**
* @brief Get Symmetric Encryption and Decryption Key
*
* @param ctx Symmetric crypto context
* @param key The crypto key buffer
* @param bitlen The crypto key bit length
*
* @return Key length of copy
*/
int rt_hwcrypto_symmetric_getkey(struct rt_hwcrypto_ctx *ctx, rt_uint8_t *key, rt_uint32_t bitlen)
{
struct hwcrypto_symmetric *symmetric_ctx = (struct hwcrypto_symmetric *)ctx;
if (ctx && bitlen >= symmetric_ctx->key_bitlen)
{
rt_memcpy(key, symmetric_ctx->key, symmetric_ctx->key_bitlen >> 3);
return symmetric_ctx->key_bitlen;
}
return 0;
}
/**
* @brief Set Symmetric Encryption and Decryption initialization vector
*
* @param ctx Symmetric crypto context
* @param iv The crypto initialization vector
* @param len The crypto initialization vector length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_symmetric_setiv(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *iv, rt_size_t len)
{
struct hwcrypto_symmetric *symmetric_ctx;
if (ctx && len <= RT_HWCRYPTO_IV_MAX_SIZE)
{
symmetric_ctx = (struct hwcrypto_symmetric *)ctx;
rt_memcpy(symmetric_ctx->iv, iv, len);
symmetric_ctx->iv_len = len;
/* IV change flag set up */
symmetric_ctx->flags |= SYMMTRIC_MODIFY_IV;
return RT_EOK;
}
return -RT_EINVAL;
}
/**
* @brief Get Symmetric Encryption and Decryption initialization vector
*
* @param ctx Symmetric crypto context
* @param iv The crypto initialization vector buffer
* @param len The crypto initialization vector buffer length
*
* @return IV length of copy
*/
int rt_hwcrypto_symmetric_getiv(struct rt_hwcrypto_ctx *ctx, rt_uint8_t *iv, rt_size_t len)
{
struct hwcrypto_symmetric *symmetric_ctx = (struct hwcrypto_symmetric *)ctx;;
if (ctx && len >= symmetric_ctx->iv_len)
{
rt_memcpy(iv, symmetric_ctx->iv, symmetric_ctx->iv_len);
return symmetric_ctx->iv_len;
}
return 0;
}
/**
* @brief Set offset in initialization vector
*
* @param ctx Symmetric crypto context
* @param iv_off The offset in IV
*/
void rt_hwcrypto_symmetric_set_ivoff(struct rt_hwcrypto_ctx *ctx, rt_int32_t iv_off)
{
if (ctx)
{
((struct hwcrypto_symmetric *)ctx)->iv_off = iv_off;
/* iv_off change flag set up */
((struct hwcrypto_symmetric *)ctx)->flags |= SYMMTRIC_MODIFY_IVOFF;
}
}
/**
* @brief Get offset in initialization vector
*
* @param ctx Symmetric crypto context
* @param iv_off It must point to a valid memory
*/
void rt_hwcrypto_symmetric_get_ivoff(struct rt_hwcrypto_ctx *ctx, rt_int32_t *iv_off)
{
if (ctx && iv_off)
{
*iv_off = ((struct hwcrypto_symmetric *)ctx)->iv_off;
}
}
/**
* @brief This function copy symmetric crypto context
*
* @param des The destination symmetric crypto context
* @param src The symmetric crypto context to be copy
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_symmetric_cpy(struct rt_hwcrypto_ctx *des, const struct rt_hwcrypto_ctx *src)
{
struct hwcrypto_symmetric *symmetric_des = (struct hwcrypto_symmetric *)des;
struct hwcrypto_symmetric *symmetric_src = (struct hwcrypto_symmetric *)src;
if (des != RT_NULL && src != RT_NULL)
{
/* Copy Symmetric Encryption and Decryption Context Information */
symmetric_des->flags = symmetric_src->flags ;
symmetric_des->iv_len = symmetric_src->iv_len ;
symmetric_des->iv_off = symmetric_src->iv_off ;
symmetric_des->key_bitlen = symmetric_src->key_bitlen;
rt_memcpy(symmetric_des->iv, symmetric_src->iv, symmetric_src->iv_len);
rt_memcpy(symmetric_des->key, symmetric_src->key, symmetric_src->key_bitlen >> 3);
/* Hardware context copy */
return rt_hwcrypto_ctx_cpy(des, src);
}
return -RT_EINVAL;
}
/**
* @brief Reset symmetric crypto context
*
* @param ctx Symmetric crypto context
*/
void rt_hwcrypto_symmetric_reset(struct rt_hwcrypto_ctx *ctx)
{
struct hwcrypto_symmetric *symmetric_ctx = (struct hwcrypto_symmetric *)ctx;
if (ctx != RT_NULL)
{
/* Copy Symmetric Encryption and Decryption Context Information */
symmetric_ctx->flags = 0x00;
symmetric_ctx->iv_len = 0x00;
symmetric_ctx->iv_off = 0x00;
symmetric_ctx->key_bitlen = 0x00;
rt_memset(symmetric_ctx->iv, 0, RT_HWCRYPTO_IV_MAX_SIZE);
rt_memset(symmetric_ctx->key, 0, RT_HWCRYPTO_KEYBIT_MAX_SIZE >> 3);
/* Hardware context reset */
rt_hwcrypto_ctx_reset(ctx);
}
}
/**
* @brief Setting symmetric crypto context type
*
* @param ctx Symmetric crypto context
* @param type Types of settings
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_symmetric_set_type(struct rt_hwcrypto_ctx *ctx, hwcrypto_type type)
{
return rt_hwcrypto_set_type(ctx, type);
}

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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-25 tyx the first version
*/
#ifndef __HW_SYMMETRIC_H__
#define __HW_SYMMETRIC_H__
#include <hwcrypto.h>
#ifndef RT_HWCRYPTO_IV_MAX_SIZE
#define RT_HWCRYPTO_IV_MAX_SIZE (16)
#endif
#ifndef RT_HWCRYPTO_KEYBIT_MAX_SIZE
#define RT_HWCRYPTO_KEYBIT_MAX_SIZE (256)
#endif
#define SYMMTRIC_MODIFY_KEY (0x1 << 0)
#define SYMMTRIC_MODIFY_IV (0x1 << 1)
#define SYMMTRIC_MODIFY_IVOFF (0x1 << 2)
#ifdef __cplusplus
extern "C" {
#endif
struct hwcrypto_symmetric;
struct hwcrypto_symmetric_info;
struct hwcrypto_symmetric_ops
{
rt_err_t (*crypt)(struct hwcrypto_symmetric *symmetric_ctx,
struct hwcrypto_symmetric_info *symmetric_info); /**< Hardware Symmetric Encryption and Decryption Callback */
};
/**
* @brief Hardware driver usage, including input and output information
*/
struct hwcrypto_symmetric_info
{
hwcrypto_mode mode; /**< crypto mode. HWCRYPTO_MODE_ENCRYPT or HWCRYPTO_MODE_DECRYPT */
const rt_uint8_t *in; /**< Input data */
rt_uint8_t *out; /**< Output data will be written */
rt_size_t length; /**< The length of the input data in Bytes. It's a multiple of block size. */
};
/**
* @brief Symmetric crypto context. Hardware driver usage
*/
struct hwcrypto_symmetric
{
struct rt_hwcrypto_ctx parent; /**< Inheritance from hardware crypto context */
rt_uint16_t flags; /**< key or iv or ivoff has been changed. The flag will be set up */
rt_uint16_t iv_len; /**< initialization vector effective length */
rt_uint16_t iv_off; /**< The offset in IV */
rt_uint16_t key_bitlen; /**< The crypto key bit length */
rt_uint8_t iv[RT_HWCRYPTO_IV_MAX_SIZE]; /**< The initialization vector */
rt_uint8_t key[RT_HWCRYPTO_KEYBIT_MAX_SIZE >> 3]; /**< The crypto key */
const struct hwcrypto_symmetric_ops *ops; /**< !! Hardware initializes this value when creating context !! */
};
/**
* @brief Creating Symmetric Encryption and Decryption Context
*
* @param device Hardware crypto device
* @param type Type of symmetric crypto context
*
* @return Symmetric crypto context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_symmetric_create(struct rt_hwcrypto_device *device,
hwcrypto_type type);
/**
* @brief Destroy Symmetric Encryption and Decryption Context
*
* @param ctx Symmetric crypto context
*/
void rt_hwcrypto_symmetric_destroy(struct rt_hwcrypto_ctx *ctx);
/**
* @brief This function performs a symmetric encryption or decryption operation
*
* @param ctx Symmetric crypto context
* @param mode Operation mode. HWCRYPTO_MODE_ENCRYPT or HWCRYPTO_MODE_DECRYPT
* @param length The length of the input data in Bytes. This must be a multiple of the block size
* @param in The buffer holding the input data
* @param out The buffer holding the output data
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_symmetric_crypt(struct rt_hwcrypto_ctx *ctx, hwcrypto_mode mode,
rt_size_t length, const rt_uint8_t *in, rt_uint8_t *out);
/**
* @brief Set Symmetric Encryption and Decryption Key
*
* @param ctx Symmetric crypto context
* @param key The crypto key
* @param bitlen The crypto key bit length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_symmetric_setkey(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *key, rt_uint32_t bitlen);
/**
* @brief Get Symmetric Encryption and Decryption Key
*
* @param ctx Symmetric crypto context
* @param key The crypto key buffer
* @param bitlen The crypto key bit length
*
* @return Key length of copy
*/
int rt_hwcrypto_symmetric_getkey(struct rt_hwcrypto_ctx *ctx, rt_uint8_t *key, rt_uint32_t bitlen);
/**
* @brief Set Symmetric Encryption and Decryption initialization vector
*
* @param ctx Symmetric crypto context
* @param iv The crypto initialization vector
* @param len The crypto initialization vector length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_symmetric_setiv(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *iv, rt_size_t len);
/**
* @brief Get Symmetric Encryption and Decryption initialization vector
*
* @param ctx Symmetric crypto context
* @param iv The crypto initialization vector buffer
* @param len The crypto initialization vector buffer length
*
* @return IV length of copy
*/
int rt_hwcrypto_symmetric_getiv(struct rt_hwcrypto_ctx *ctx, rt_uint8_t *iv, rt_size_t len);
/**
* @brief Set offset in initialization vector
*
* @param ctx Symmetric crypto context
* @param iv_off The offset in IV
*/
void rt_hwcrypto_symmetric_set_ivoff(struct rt_hwcrypto_ctx *ctx, rt_int32_t iv_off);
/**
* @brief Get offset in initialization vector
*
* @param ctx Symmetric crypto context
* @param iv_off It must point to a valid memory
*/
void rt_hwcrypto_symmetric_get_ivoff(struct rt_hwcrypto_ctx *ctx, rt_int32_t *iv_off);
/**
* @brief This function copy symmetric crypto context
*
* @param des The destination symmetric crypto context
* @param src The symmetric crypto context to be copy
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_symmetric_cpy(struct rt_hwcrypto_ctx *des, const struct rt_hwcrypto_ctx *src);
/**
* @brief Reset symmetric crypto context
*
* @param ctx Symmetric crypto context
*/
void rt_hwcrypto_symmetric_reset(struct rt_hwcrypto_ctx *ctx);
/**
* @brief Setting symmetric crypto context type
*
* @param ctx Symmetric crypto context
* @param type Types of settings
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_symmetric_set_type(struct rt_hwcrypto_ctx *ctx, hwcrypto_type type);
#ifdef __cplusplus
}
#endif
#endif

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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-23 tyx the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <hwcrypto.h>
/**
* @brief Setting context type (Direct calls are not recommended)
*
* @param ctx Crypto context
* @param type Types of settings
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_set_type(struct rt_hwcrypto_ctx *ctx, hwcrypto_type type)
{
if (ctx)
{
/* Is it the same category? */
if ((ctx->type & HWCRYPTO_MAIN_TYPE_MASK) == (type & HWCRYPTO_MAIN_TYPE_MASK))
{
ctx->type = type;
return RT_EOK;
}
/* Context is empty type */
else if (ctx->type == HWCRYPTO_TYPE_NULL)
{
ctx->type = type;
return RT_EOK;
}
else
{
return -RT_ERROR;
}
}
return -RT_EINVAL;
}
/**
* @brief Reset context type (Direct calls are not recommended)
*
* @param ctx Crypto context
*
*/
void rt_hwcrypto_ctx_reset(struct rt_hwcrypto_ctx *ctx)
{
if (ctx && ctx->device->ops->reset)
{
ctx->device->ops->reset(ctx);
}
}
/**
* @brief Init crypto context
*
* @param ctx The context to initialize
* @param device Hardware crypto device
* @param type Type of context
* @param obj_size Size of context object
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_ctx_init(struct rt_hwcrypto_ctx *ctx, struct rt_hwcrypto_device *device, hwcrypto_type type)
{
rt_err_t err;
/* Setting context type */
rt_hwcrypto_set_type(ctx, type);
ctx->device = device;
/* Create hardware context */
err = ctx->device->ops->create(ctx);
if (err != RT_EOK)
{
return err;
}
return RT_EOK;
}
/**
* @brief Create crypto context
*
* @param device Hardware crypto device
* @param type Type of context
* @param obj_size Size of context object
*
* @return Crypto context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_ctx_create(struct rt_hwcrypto_device *device, hwcrypto_type type, rt_uint32_t obj_size)
{
struct rt_hwcrypto_ctx *ctx;
rt_err_t err;
/* Parameter checking */
if (device == RT_NULL || obj_size < sizeof(struct rt_hwcrypto_ctx))
{
return RT_NULL;
}
ctx = rt_malloc(obj_size);
if (ctx == RT_NULL)
{
return ctx;
}
rt_memset(ctx, 0, obj_size);
/* Init context */
err = rt_hwcrypto_ctx_init(ctx, device, type);
if (err != RT_EOK)
{
rt_free(ctx);
ctx = RT_NULL;
}
return ctx;
}
/**
* @brief Destroy crypto context
*
* @param device Crypto context
*/
void rt_hwcrypto_ctx_destroy(struct rt_hwcrypto_ctx *ctx)
{
if (ctx == RT_NULL)
{
return;
}
/* Destroy hardware context */
if (ctx->device->ops->destroy)
{
ctx->device->ops->destroy(ctx);
}
/* Free the resources */
rt_free(ctx);
}
/**
* @brief Copy crypto context
*
* @param des The destination context
* @param src The context to be copy
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_ctx_cpy(struct rt_hwcrypto_ctx *des, const struct rt_hwcrypto_ctx *src)
{
if (des == RT_NULL || src == RT_NULL)
{
return -RT_EINVAL;
}
/* The equipment is different or of different types and cannot be copied */
if (des->device != src->device ||
(des->type & HWCRYPTO_MAIN_TYPE_MASK) != (src->type & HWCRYPTO_MAIN_TYPE_MASK))
{
return -RT_EINVAL;
}
des->type = src->type;
/* Calling Hardware Context Copy Function */
return src->device->ops->copy(des, src);
}
/**
* @brief Get the default hardware crypto device
*
* @return Hardware crypto device
*
*/
struct rt_hwcrypto_device *rt_hwcrypto_dev_default(void)
{
static struct rt_hwcrypto_device *hwcrypto_dev;
/* If there is a default device, return the device */
if (hwcrypto_dev)
{
return hwcrypto_dev;
}
/* Find by default device name */
hwcrypto_dev = (struct rt_hwcrypto_device *)rt_device_find(RT_HWCRYPTO_DEFAULT_NAME);
return hwcrypto_dev;
}
/**
* @brief Get the unique ID of the device
*
* @param device Device object
*
* @return Device unique ID
*/
rt_uint64_t rt_hwcrypto_id(struct rt_hwcrypto_device *device)
{
if (device)
{
return device->id;
}
return 0;
}
#ifdef RT_USING_DEVICE_OPS
const static struct rt_device_ops hwcrypto_ops =
{
RT_NULL,
RT_NULL,
RT_NULL,
RT_NULL,
RT_NULL,
RT_NULL
};
#endif
/**
* @brief Register hardware crypto device
*
* @param device Hardware crypto device
* @param name Name of device
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_register(struct rt_hwcrypto_device *device, const char *name)
{
rt_err_t err;
RT_ASSERT(device != RT_NULL);
RT_ASSERT(name != RT_NULL);
RT_ASSERT(device->ops != RT_NULL);
RT_ASSERT(device->ops->create != RT_NULL);
RT_ASSERT(device->ops->destroy != RT_NULL);
RT_ASSERT(device->ops->copy != RT_NULL);
RT_ASSERT(device->ops->reset != RT_NULL);
rt_memset(&device->parent, 0, sizeof(struct rt_device));
#ifdef RT_USING_DEVICE_OPS
device->parent.ops = &hwcrypto_ops;
#else
device->parent.init = RT_NULL;
device->parent.open = RT_NULL;
device->parent.close = RT_NULL;
device->parent.read = RT_NULL;
device->parent.write = RT_NULL;
device->parent.control = RT_NULL;
#endif
device->parent.user_data = RT_NULL;
device->parent.type = RT_Device_Class_Security;
/* Register device */
err = rt_device_register(&device->parent, name, RT_DEVICE_FLAG_RDWR);
return err;
}

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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-23 tyx the first version
*/
#ifndef __HWCRYPTO_H__
#define __HWCRYPTO_H__
#include <rtthread.h>
#ifndef RT_HWCRYPTO_DEFAULT_NAME
#define RT_HWCRYPTO_DEFAULT_NAME ("hwcryto")
#endif
#define HWCRYPTO_MAIN_TYPE_MASK (0xffffUL << 16)
#define HWCRYPTO_SUB_TYPE_MASK (0xffUL << 8)
#ifdef __cplusplus
extern "C" {
#endif
typedef enum
{
HWCRYPTO_TYPE_NULL = 0x00000000,
/* Main Type */
/* symmetric Type */
HWCRYPTO_TYPE_HEAD = __LINE__,
HWCRYPTO_TYPE_AES = ((__LINE__ - HWCRYPTO_TYPE_HEAD) & 0xffff) << 16, /**< AES */
HWCRYPTO_TYPE_DES = ((__LINE__ - HWCRYPTO_TYPE_HEAD) & 0xffff) << 16, /**< DES */
HWCRYPTO_TYPE_3DES = ((__LINE__ - HWCRYPTO_TYPE_HEAD) & 0xffff) << 16, /**< 3DES */
HWCRYPTO_TYPE_RC4 = ((__LINE__ - HWCRYPTO_TYPE_HEAD) & 0xffff) << 16, /**< RC4 */
HWCRYPTO_TYPE_GCM = ((__LINE__ - HWCRYPTO_TYPE_HEAD) & 0xffff) << 16, /**< GCM */
/* HASH Type */
HWCRYPTO_TYPE_MD5 = ((__LINE__ - HWCRYPTO_TYPE_HEAD) & 0xffff) << 16, /**< MD5 */
HWCRYPTO_TYPE_SHA1 = ((__LINE__ - HWCRYPTO_TYPE_HEAD) & 0xffff) << 16, /**< SHA1 */
HWCRYPTO_TYPE_SHA2 = ((__LINE__ - HWCRYPTO_TYPE_HEAD) & 0xffff) << 16, /**< SHA2 */
/* Other Type */
HWCRYPTO_TYPE_RNG = ((__LINE__ - HWCRYPTO_TYPE_HEAD) & 0xffff) << 16, /**< RNG */
HWCRYPTO_TYPE_CRC = ((__LINE__ - HWCRYPTO_TYPE_HEAD) & 0xffff) << 16, /**< CRC */
HWCRYPTO_TYPE_BIGNUM = ((__LINE__ - HWCRYPTO_TYPE_HEAD) & 0xffff) << 16, /**< BIGNUM */
/* AES Subtype */
HWCRYPTO_TYPE_AES_ECB = HWCRYPTO_TYPE_AES | (0x01 << 8),
HWCRYPTO_TYPE_AES_CBC = HWCRYPTO_TYPE_AES | (0x02 << 8),
HWCRYPTO_TYPE_AES_CFB = HWCRYPTO_TYPE_AES | (0x03 << 8),
HWCRYPTO_TYPE_AES_CTR = HWCRYPTO_TYPE_AES | (0x04 << 8),
HWCRYPTO_TYPE_AES_OFB = HWCRYPTO_TYPE_AES | (0x05 << 8),
/* DES Subtype */
HWCRYPTO_TYPE_DES_ECB = HWCRYPTO_TYPE_DES | (0x01 << 8),
HWCRYPTO_TYPE_DES_CBC = HWCRYPTO_TYPE_DES | (0x02 << 8),
/* 3DES Subtype */
HWCRYPTO_TYPE_3DES_ECB = HWCRYPTO_TYPE_3DES | (0x01 << 8),
HWCRYPTO_TYPE_3DES_CBC = HWCRYPTO_TYPE_3DES | (0x02 << 8),
/* SHA2 Subtype */
HWCRYPTO_TYPE_SHA224 = HWCRYPTO_TYPE_SHA2 | (0x01 << 8),
HWCRYPTO_TYPE_SHA256 = HWCRYPTO_TYPE_SHA2 | (0x02 << 8),
HWCRYPTO_TYPE_SHA384 = HWCRYPTO_TYPE_SHA2 | (0x03 << 8),
HWCRYPTO_TYPE_SHA512 = HWCRYPTO_TYPE_SHA2 | (0x04 << 8),
} hwcrypto_type;
typedef enum
{
HWCRYPTO_MODE_ENCRYPT = 0x1, /**< Encryption operations */
HWCRYPTO_MODE_DECRYPT = 0x2, /**< Decryption operations */
HWCRYPTO_MODE_UNKNOWN = 0x7fffffff, /**< Unknown */
} hwcrypto_mode;
struct rt_hwcrypto_ctx;
struct rt_hwcrypto_ops
{
rt_err_t (*create)(struct rt_hwcrypto_ctx *ctx); /**< Creating hardware context */
void (*destroy)(struct rt_hwcrypto_ctx *ctx); /**< Delete hardware context */
rt_err_t (*copy)(struct rt_hwcrypto_ctx *des,
const struct rt_hwcrypto_ctx *src); /**< Cpoy hardware context */
void (*reset)(struct rt_hwcrypto_ctx *ctx); /**< Reset hardware context */
};
struct rt_hwcrypto_device
{
struct rt_device parent; /**< Inherited from the standard device */
const struct rt_hwcrypto_ops *ops; /**< Hardware crypto ops */
rt_uint64_t id; /**< Unique id */
void *user_data; /**< Device user data */
};
struct rt_hwcrypto_ctx
{
struct rt_hwcrypto_device *device; /**< Binding device */
hwcrypto_type type; /**< Encryption and decryption types */
void *contex; /**< Hardware context */
};
/**
* @brief Setting context type (Direct calls are not recommended)
*
* @param ctx Crypto context
* @param type Types of settings
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_set_type(struct rt_hwcrypto_ctx *ctx, hwcrypto_type type);
/**
* @brief Reset context type (Direct calls are not recommended)
*
* @param ctx Crypto context
*/
void rt_hwcrypto_ctx_reset(struct rt_hwcrypto_ctx *ctx);
/**
* @brief Init crypto context (Direct calls are not recommended)
*
* @param ctx The context to initialize
* @param device Hardware crypto device
* @param type Type of context
* @param obj_size Size of context object
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_ctx_init(struct rt_hwcrypto_ctx *ctx,
struct rt_hwcrypto_device *device, hwcrypto_type type);
/**
* @brief Create crypto context (Direct calls are not recommended)
*
* @param device Hardware crypto device
* @param type Type of context
* @param obj_size Size of context object
*
* @return Crypto context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_ctx_create(struct rt_hwcrypto_device *device,
hwcrypto_type type, rt_uint32_t obj_size);
/**
* @brief Destroy crypto context (Direct calls are not recommended)
*
* @param device Crypto context
*/
void rt_hwcrypto_ctx_destroy(struct rt_hwcrypto_ctx *ctx);
/**
* @brief Copy crypto context (Direct calls are not recommended)
*
* @param des The destination context
* @param src The context to be copy
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_ctx_cpy(struct rt_hwcrypto_ctx *des, const struct rt_hwcrypto_ctx *src);
/**
* @brief Register hardware crypto device
*
* @param device Hardware crypto device
* @param name Name of device
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_register(struct rt_hwcrypto_device *device, const char *name);
/**
* @brief Get the default hardware crypto device
*
* @return Hardware crypto device
*
*/
struct rt_hwcrypto_device *rt_hwcrypto_dev_default(void);
/**
* @brief Get the unique ID of the device
*
* @param device Device object
*
* @return Device unique ID
*/
rt_uint64_t rt_hwcrypto_id(struct rt_hwcrypto_device *device);
#ifdef __cplusplus
}
#endif
#endif