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[components][drivers] 硬件大数适应性调整

This commit is contained in:
tangyuxin 2019-06-05 14:49:19 +08:00
parent 91c858ead2
commit ab7c1530ea
4 changed files with 122 additions and 182 deletions
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2
components/drivers/Kconfig
View File

@ -278,7 +278,7 @@ menu "Using Hardware Crypto drivers"
int "IV max size"
default "16"
config HWCRYPTO_KEYBIT_MAX_SIZE
config RT_HWCRYPTO_KEYBIT_MAX_SIZE
int "Key max bit length"
default 256

174
components/drivers/hwcrypto/hw_bignum.c
View File

@ -14,7 +14,7 @@
static struct rt_hwcrypto_ctx *bignum_default;
rt_inline rt_err_t rt_hwcrypto_bignum_init(void)
rt_inline rt_err_t hwcrypto_bignum_dev_is_init(void)
{
struct rt_hwcrypto_device *dev;
@ -55,20 +55,18 @@ rt_err_t rt_hwcrypto_bignum_default(struct rt_hwcrypto_device *device)
}
/**
* @brief Allocate memory for bignum
* @brief Init bignum obj
*
* @return Pointer to allocated bignum obj
* @param n bignum obj
*/
struct hw_bignum_mpi *rt_hwcrypto_bignum_alloc(void)
void rt_hwcrypto_bignum_init(struct hw_bignum_mpi *n)
{
struct hw_bignum_mpi *n;
if(n == RT_NULL)
return;
n = rt_malloc(sizeof(struct hw_bignum_mpi));
if (n)
{
rt_memset(n, 0, sizeof(struct hw_bignum_mpi));
}
return n;
n->sign = 1;
n->total = 0;
n->p = RT_NULL;
}
/**
@ -81,7 +79,9 @@ void rt_hwcrypto_bignum_free(struct hw_bignum_mpi *n)
if (n)
{
rt_free(n->p);
rt_free(n);
n->sign = 0;
n->total = 0;
n->p = RT_NULL;
}
}
@ -90,7 +90,7 @@ void rt_hwcrypto_bignum_free(struct hw_bignum_mpi *n)
*
* @param n bignum obj
*
* @return binary buffer Length
* @return binary buffer length
*/
int rt_hwcrypto_bignum_get_len(const struct hw_bignum_mpi *n)
{
@ -111,29 +111,34 @@ int rt_hwcrypto_bignum_get_len(const struct hw_bignum_mpi *n)
}
/**
* @brief Get length of bignum as an unsigned binary buffer
* @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 binary buffer Length
* @return export bin length
*/
int rt_hwcrypto_bignum_get_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len)
int rt_hwcrypto_bignum_export_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len)
{
int cp_len;
int cp_len, i, j;
if (n == RT_NULL || n->p == RT_NULL || buf == RT_NULL)
if (n == RT_NULL || buf == RT_NULL)
{
return 0;
}
rt_memset(buf, 0, len);
cp_len = n->total > len ? len : n->total;
rt_memcpy(n->p, buf, cp_len);
for(i = cp_len, j = 0; i > 0; i--, j++)
{
buf[i - 1] = n->p[j];
}
return cp_len;
}
/**
* @brief Set binary buffer to unsigned bignum
* @brief Import n from unsigned binary data, big endian
*
* @param n bignum obj
* @param buf Buffer for the binary number
@ -141,82 +146,39 @@ int rt_hwcrypto_bignum_get_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_set_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len)
rt_err_t 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)
if (n == RT_NULL || buf == RT_NULL)
{
return -RT_EINVAL;
return 0;
}
if (n->p && n->total >= len)
if (n->total < len)
{
rt_memcpy(n->p, buf, len);
return RT_EOK;
}
temp_p = rt_malloc(len);
if (temp_p == RT_NULL)
{
return -RT_ENOMEM;
return 0;
}
if (n->p)
{
rt_memset(temp_p, 0, len);
rt_free(n->p);
n->p = temp_p;
n->total = 0;
}
rt_memcpy(n->p, buf, len);
n->total = len;
return RT_EOK;
}
/**
* @brief Unsigned comparison
*
* @param a bignum obj
* @param b bignum obj
*
* @return 0 is equal
*/
int rt_hwcrypto_bignum_cmp(const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b)
{
int a_len, b_len;
if (a == RT_NULL || a->p == RT_NULL
|| b == RT_NULL || b->p == RT_NULL)
{
return -1;
}
a_len = rt_hwcrypto_bignum_get_len(a);
b_len = rt_hwcrypto_bignum_get_len(b);
if (a_len != b_len)
cp_len = n->total > len ? len : n->total;
for(i = cp_len, j = 0; i > 0; i--, j++)
{
return a_len - b_len;
n->p[j] = buf[i - 1];
}
return rt_memcmp(a->p, b->p, a_len);
return cp_len;
}
/**
* @brief Compare bignum to standard Unsigned integer
*
* @param a bignum obj
* @param b Unsigned integer
*
* @return 0 is equal
*/
int rt_hwcrypto_bignum_cmp_d(const struct hw_bignum_mpi *a, unsigned long b)
{
struct hw_bignum_mpi tmp_b;
b = b <= 0 ? -b : b;
tmp_b.total = sizeof(unsigned long);
tmp_b.p = &b;
return rt_hwcrypto_bignum_cmp(a, &tmp_b);
}
/**
* @brief a = b + c
* @brief x = a + b
*
* @param a bignum obj
* @param b bignum obj
@ -224,26 +186,26 @@ int rt_hwcrypto_bignum_cmp_d(const struct hw_bignum_mpi *a, unsigned long b)
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_add(struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c)
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 (rt_hwcrypto_bignum_init() != RT_EOK)
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, a, b, c);
return bignum_ctx->ops->add(bignum_ctx, x, a, b);
}
return -RT_ERROR;
}
/**
* @brief a = b - c
* @brief x = a - b
*
* @param a bignum obj
* @param b bignum obj
@ -251,26 +213,26 @@ rt_err_t rt_hwcrypto_bignum_add(struct hw_bignum_mpi *a,
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_sub(struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c)
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 (rt_hwcrypto_bignum_init() != RT_EOK)
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, a, b, c);
return bignum_ctx->ops->sub(bignum_ctx, x, a, b);
}
return -RT_ERROR;
}
/**
* @brief a = b * c
* @brief x = a * b
*
* @param a bignum obj
* @param b bignum obj
@ -278,26 +240,26 @@ rt_err_t rt_hwcrypto_bignum_sub(struct hw_bignum_mpi *a,
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_mul(struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c)
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 (rt_hwcrypto_bignum_init() != RT_EOK)
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, a, b, c);
return bignum_ctx->ops->mul(bignum_ctx, x, a, b);
}
return -RT_ERROR;
}
/**
* @brief a = b * c (mod d)
* @brief x = a * b (mod c)
*
* @param a bignum obj
* @param b bignum obj
@ -305,27 +267,27 @@ rt_err_t rt_hwcrypto_bignum_mul(struct hw_bignum_mpi *a,
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_mulmod(struct hw_bignum_mpi *a,
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,
const struct hw_bignum_mpi *d)
const struct hw_bignum_mpi *c)
{
struct hwcrypto_bignum *bignum_ctx;
if (rt_hwcrypto_bignum_init() != RT_EOK)
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, a, b, c, d);
return bignum_ctx->ops->mulmod(bignum_ctx, x, a, b, c);
}
return -RT_ERROR;
}
/**
* @brief a = b ^ c (mod d)
* @brief x = a ^ b (mod c)
*
* @param a bignum obj
* @param b bignum obj
@ -333,21 +295,21 @@ rt_err_t rt_hwcrypto_bignum_mulmod(struct hw_bignum_mpi *a,
*
* @return RT_EOK on success.
*/
rt_err_t bignum_exptmod(struct hw_bignum_mpi *a,
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,
const struct hw_bignum_mpi *d)
const struct hw_bignum_mpi *c)
{
struct hwcrypto_bignum *bignum_ctx;
if (rt_hwcrypto_bignum_init() != RT_EOK)
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, a, b, c, d);
return bignum_ctx->ops->exptmod(bignum_ctx, x, a, b, c);
}
return -RT_ERROR;
}

146
components/drivers/hwcrypto/hw_bignum.h
View File

@ -22,34 +22,35 @@ struct hwcrypto_bignum;
/* bignum obj */
struct hw_bignum_mpi
{
rt_size_t total; /**< Total length of data */
rt_ubase_t *p; /**< pointer to data */
int sign; /**< integer sign */
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 *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c); /**< a = b + c */
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 *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c); /**< a = b - c */
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 *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c); /**< a = b * c */
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 *a,
struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c,
const struct hw_bignum_mpi *d); /**< a = b * c (mod d) */
const struct hw_bignum_mpi *c); /**< x = a * b (mod c) */
rt_err_t (*exptmod)(struct hwcrypto_bignum *bignum_ctx,
struct hw_bignum_mpi *a,
struct hw_bignum_mpi *x,
const struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c,
const struct hw_bignum_mpi *d); /**< a = b ^ c (mod d) */
const struct hw_bignum_mpi *c); /**< x = a ^ b (mod c) */
};
/**
@ -69,11 +70,9 @@ struct hwcrypto_bignum
rt_err_t rt_hwcrypto_bignum_default(struct rt_hwcrypto_device *device);
/**
* @brief Allocate memory for bignum
*
* @return Pointer to allocated bignum obj
* @brief Init bignum obj
*/
struct hw_bignum_mpi *rt_hwcrypto_bignum_alloc(void);
void rt_hwcrypto_bignum_init(struct hw_bignum_mpi *n);
/**
* @brief free a bignum obj
@ -92,18 +91,18 @@ void rt_hwcrypto_bignum_free(struct hw_bignum_mpi *n);
int rt_hwcrypto_bignum_get_len(const struct hw_bignum_mpi *n);
/**
* @brief Get length of bignum as an unsigned binary buffer
* @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 binary buffer Length
* @return export bin length
*/
int rt_hwcrypto_bignum_get_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len);
int rt_hwcrypto_bignum_export_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len);
/**
* @brief Set binary buffer to unsigned bignum
* @brief Import n from unsigned binary data, big endian
*
* @param n bignum obj
* @param buf Buffer for the binary number
@ -111,31 +110,23 @@ int rt_hwcrypto_bignum_get_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_set_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len);
rt_err_t rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len);
/**
* @brief Unsigned comparison
* @brief x = a + b
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return 0 is equal
* @return RT_EOK on success.
*/
int rt_hwcrypto_bignum_cmp(const struct hw_bignum_mpi *a,
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 Compare bignum to standard Unsigned integer
*
* @param a bignum obj
* @param b Unsigned integer
*
* @return 0 is equal
*/
int rt_hwcrypto_bignum_cmp_d(const struct hw_bignum_mpi *a, unsigned long b);
/**
* @brief a = b + c
* @brief x = a - b
*
* @param a bignum obj
* @param b bignum obj
@ -143,12 +134,39 @@ int rt_hwcrypto_bignum_cmp_d(const struct hw_bignum_mpi *a, unsigned long b);
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_add(struct hw_bignum_mpi *a,
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 a = b - c
* @brief x = a ^ b (mod c)
*
* @param a bignum obj
* @param b bignum obj
@ -156,51 +174,11 @@ rt_err_t rt_hwcrypto_bignum_add(struct hw_bignum_mpi *a,
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_bignum_sub(struct hw_bignum_mpi *a,
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);
/**
* @brief a = b * c
*
* @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 *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c);
/**
* @brief a = b * c (mod d)
*
* @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 *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c,
const struct hw_bignum_mpi *d);
/**
* @brief a = b ^ c (mod d)
*
* @param a bignum obj
* @param b bignum obj
* @param c bignum obj
*
* @return RT_EOK on success.
*/
rt_err_t bignum_exptmod(struct hw_bignum_mpi *a,
const struct hw_bignum_mpi *b,
const struct hw_bignum_mpi *c,
const struct hw_bignum_mpi *d);
#ifdef __cplusplus
}
#endif

2
components/drivers/hwcrypto/hw_hash.h
View File

@ -101,7 +101,7 @@ void rt_hwcrypto_hash_reset(struct rt_hwcrypto_ctx *ctx);
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_type(struct rt_hwcrypto_ctx *ctx, hwcrypto_type type);
rt_err_t rt_hwcrypto_hash_set_type(struct rt_hwcrypto_ctx *ctx, hwcrypto_type type);
#ifdef __cplusplus
}