From ab7c1530eaa4f5a60e67667a930eea2732867f2f Mon Sep 17 00:00:00 2001
From: tangyuxin <462747508@qq.com>
Date: Wed, 5 Jun 2019 14:49:19 +0800
Subject: [PATCH] =?UTF-8?q?[components][drivers]=20=E7=A1=AC=E4=BB=B6?=
 =?UTF-8?q?=E5=A4=A7=E6=95=B0=E9=80=82=E5=BA=94=E6=80=A7=E8=B0=83=E6=95=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 components/drivers/Kconfig              |   2 +-
 components/drivers/hwcrypto/hw_bignum.c | 184 ++++++++++--------------
 components/drivers/hwcrypto/hw_bignum.h | 114 ++++++---------
 components/drivers/hwcrypto/hw_hash.h   |   2 +-
 4 files changed, 121 insertions(+), 181 deletions(-)

diff --git a/components/drivers/Kconfig b/components/drivers/Kconfig
index a10024962..45494c6a6 100755
--- a/components/drivers/Kconfig
+++ b/components/drivers/Kconfig
@@ -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
 
diff --git a/components/drivers/hwcrypto/hw_bignum.c b/components/drivers/hwcrypto/hw_bignum.c
index 173975c70..cfc57f827 100644
--- a/components/drivers/hwcrypto/hw_bignum.c
+++ b/components/drivers/hwcrypto/hw_bignum.c
@@ -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
- *
- * @return          Pointer to allocated bignum obj
+ * @brief           Init 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)
-    {
-        return -RT_EINVAL;
-    }
-    if (n->p && n->total >= len)
-    {
-        rt_memcpy(n->p, buf, len);
-        return RT_EOK;
-    }
-    temp_p = rt_malloc(len);
-    if (temp_p == RT_NULL)
+    if (n == RT_NULL || buf == RT_NULL)
     {
-        return -RT_ENOMEM;
+        return 0;
     }
-    if (n->p)
+    if (n->total < len)
     {
+        temp_p = rt_malloc(len);
+        if (temp_p == RT_NULL)
+        {
+            return 0;
+        }
+        rt_memset(temp_p, 0, len);
         rt_free(n->p);
         n->p = temp_p;
-        n->total = 0;
+        n->total = len;
     }
-    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;
+    cp_len = n->total > len ? len : n->total;
 
-    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)
+    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);
-}
-
-/**
- * @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);
+    return cp_len;
 }
 
 /**
- * @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,
-                        const struct hw_bignum_mpi *b,
-                        const struct hw_bignum_mpi *c,
-                        const struct hw_bignum_mpi *d)
+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 (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;
 }
diff --git a/components/drivers/hwcrypto/hw_bignum.h b/components/drivers/hwcrypto/hw_bignum.h
index 92bd4dd3b..a1f567e68 100644
--- a/components/drivers/hwcrypto/hw_bignum.h
+++ b/components/drivers/hwcrypto/hw_bignum.h
@@ -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 +110,10 @@ 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
- * 
- * @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);
-
-/**
- * @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 +121,12 @@ 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);
 
 /**
- * @brief           a = b - c
+ * @brief           x = a - b
  * 
  * @param a         bignum obj
  * @param b         bignum obj
@@ -156,12 +134,12 @@ 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);
 
 /**
- * @brief           a = b * c
+ * @brief           x = a * b
  * 
  * @param a         bignum obj
  * @param b         bignum obj
@@ -169,12 +147,12 @@ 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);
 
 /**
- * @brief           a = b * c (mod d)
+ * @brief           x = a * b (mod c)
  * 
  * @param a         bignum obj
  * @param b         bignum obj
@@ -182,13 +160,13 @@ 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);
 
 /**
- * @brief           a = b ^ c (mod d)
+ * @brief           x = a ^ b (mod c)
  * 
  * @param a         bignum obj
  * @param b         bignum obj
@@ -196,10 +174,10 @@ 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,
-                        const struct hw_bignum_mpi *b,
-                        const struct hw_bignum_mpi *c,
-                        const struct hw_bignum_mpi *d);
+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
 }
diff --git a/components/drivers/hwcrypto/hw_hash.h b/components/drivers/hwcrypto/hw_hash.h
index b913f4ebd..de0310e84 100644
--- a/components/drivers/hwcrypto/hw_hash.h
+++ b/components/drivers/hwcrypto/hw_hash.h
@@ -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
 }
-- 
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