crypto:add some hardware support

esp32c3: aes hmac-sha1 hmac-sha256
stm32f0l0g0 stm32l1 : aes
sam34: aes
lpc43: aes
Signed-off-by: anjiahao <anjiahao@xiaomi.com>

arch/arm/src/lpc43xx/Make.defs

@@ -126,6 +126,10 @@ ifeq ($(CONFIG_CRYPTO_AES),y)
 CHIP_CSRCS += lpc43_aes.c
 endif
 
+ifeq ($(CONFIG_CRYPTO_CRYPTODEV_HARDWARE),y)
+CHIP_CSRCS += lpc43_crypto.c
+endif
+
 ifeq ($(CONFIG_LPC43_USB0),y)
 ifeq ($(CONFIG_USBDEV),y)
 CHIP_CSRCS += lpc43_usb0dev.c

arch/arm/src/lpc43xx/lpc43_aes.c

@@ -37,7 +37,7 @@
 
 #include "arm_internal.h"
 #include "chip.h"
-#include <chip/lpc43_aes.h>
+#include <hardware/lpc43_aes.h>
 
 #define AES_BLOCK_SIZE 16
 

arch/arm/src/lpc43xx/lpc43_crypto.c

@@ -0,0 +1,130 @@
+/****************************************************************************
+ * arch/arm/src/lpc43xx/lpc43_crypto.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <errno.h>
+#include <stdint.h>
+
+#include <crypto/cryptodev.h>
+#include <crypto/xform.h>
+#include <nuttx/crypto/crypto.h>
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static uint32_t g_lpc43_sesnum;
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: authcompute
+ *
+ * Description:
+ *   Calculate the hash.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: lpc43_newsession
+ *
+ * Description:
+ *   create new session for crypto.
+ *
+ ****************************************************************************/
+
+static int lpc43_newsession(uint32_t *sid, struct cryptoini *cri)
+{
+  if (sid == NULL || cri == NULL || cri->cri_alg != CRYPTO_AES_CBC)
+    {
+      return -EINVAL;
+    }
+
+  sid = g_lpc43_sesnum++;
+  return OK;
+}
+
+/****************************************************************************
+ * Name: lpc43_freesession
+ *
+ * Description:
+ *   free session.
+ *
+ ****************************************************************************/
+
+static int lpc43_freesession(uint64_t tid)
+{
+  return 0;
+}
+
+/****************************************************************************
+ * Name: lpc43_process
+ *
+ * Description:
+ *   process session to use hardware algorithm.
+ *
+ ****************************************************************************/
+
+static int lpc43_process(struct cryptop *crp)
+{
+  struct cryptodesc *crd;
+
+  for (crd = crp->crp_desc; crd; crd = crd->crd_next)
+    {
+      switch (crd->crd_alg)
+        {
+          case CRYPTO_AES_CBC:
+            return aes_cypher(crp->crp_dst, crp->crp_buf, crd->crd_len,
+                              crd->crd_iv, crd->crd_key, 16,
+                              AES_MODE_CBC, crd->crd_flags & CRD_F_ENCRYPT);
+          default:
+            return -EINVAL;
+        }
+    }
+}
+
+/****************************************************************************
+ * Name: hwcr_init
+ *
+ * Description:
+ *   register the hardware crypto driver.
+ *
+ ****************************************************************************/
+
+void hwcr_init(void)
+{
+  int hwcr_id;
+  int algs[CRYPTO_ALGORITHM_MAX + 1];
+
+  hwcr_id = crypto_get_driverid(0);
+  DEBUGASSERT(hwcr_id >= 0);
+
+  memset(algs, 0, sizeof(algs));
+
+  algs[CRYPTO_AES_CBC] = CRYPTO_ALG_FLAG_SUPPORTED;
+
+  crypto_register(hwcr_id, algs, lpc43_newsession,
+                  lpc43_freesession, lpc43_process);
+}

arch/arm/src/sam34/Make.defs

@@ -99,6 +99,10 @@ ifeq ($(CONFIG_SAM34_AES),y)
 CHIP_CSRCS += sam_aes.c
 endif
 
+ifeq ($(CONFIG_CRYPTO_CRYPTODEV_HARDWARE),y)
+CHIP_CSRCS += sam_crypto.c
+endif
+
 ifeq ($(CONFIG_SAM34_RTC),y)
 CHIP_CSRCS += sam_rtc.c
 endif

arch/arm/src/sam34/sam_crypto.c

@@ -0,0 +1,160 @@
+/****************************************************************************
+ * arch/arm/src/sam34/sam_crypto.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <errno.h>
+#include <stdint.h>
+
+#include <crypto/cryptodev.h>
+#include <crypto/xform.h>
+#include <nuttx/crypto/crypto.h>
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+FAR static uint32_t g_sam_sesnum = 0;
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: authcompute
+ *
+ * Description:
+ *   Calculate the hash.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: sam_newsession
+ *
+ * Description:
+ *   create new session for crypto.
+ *
+ ****************************************************************************/
+
+static int sam_newsession(FAR uint32_t *sid, FAR struct cryptoini *cri)
+{
+  if (sid == NULL || cri == NULL)
+    {
+      return -EINVAL;
+    }
+
+  switch (cri->cri_alg)
+    {
+      case CRYPTO_AES_CBC:
+        *sid = g_sam_sesnum++;
+        break;
+      case CRYPTO_AES_CTR:
+        if ((cri->cri_klen / 8 - 4) != 16)
+          {
+            /* sam aes-ctr key bits just support 128 */
+
+            return -EINVAL;
+          }
+
+        *sid = g_sam_sesnum++;
+        break;
+      default :
+        return -EINVAL;
+    }
+
+  return OK;
+}
+
+/****************************************************************************
+ * Name: sam_freesession
+ *
+ * Description:
+ *   free session.
+ *
+ ****************************************************************************/
+
+static int sam_freesession(uint64_t tid)
+{
+  return 0;
+}
+
+/****************************************************************************
+ * Name: sam_process
+ *
+ * Description:
+ *   process session to use hardware algorithm.
+ *
+ ****************************************************************************/
+
+static int sam_process(struct cryptop *crp)
+{
+  struct cryptodesc *crd;
+  uint8_t iv[AESCTR_BLOCKSIZE];
+
+  for (crd = crp->crp_desc; crd; crd = crd->crd_next)
+    {
+      switch (crd->crd_alg)
+        {
+          case CRYPTO_AES_CBC:
+            return aes_cypher(crp->crp_dst, crp->crp_buf, crd->crd_len,
+                              crd->crd_iv, crd->crd_key, 16,
+                              AES_MODE_CBC, crd->crd_flags & CRD_F_ENCRYPT);
+          case CRYPTO_AES_CTR:
+
+            memcpy(iv, crd->crd_key + crd->crd_klen / 8 - AESCTR_NONCESIZE,
+                   AESCTR_NONCESIZE);
+            memcpy(iv + AESCTR_NONCESIZE, crd->crd_iv, AESCTR_IVSIZE);
+            memset(iv + AESCTR_NONCESIZE + AESCTR_IVSIZE , 0, 4);
+
+            return aes_cypher(crp->crp_dst, crp->crp_buf, crd->crd_len,
+                              iv, crd->crd_key, crd->crd_klen / 8 - 4,
+                              AES_MODE_CTR, crd->crd_flags & CRD_F_ENCRYPT);
+          default:
+            return -EINVAL;
+        }
+    }
+}
+
+/****************************************************************************
+ * Name: hwcr_init
+ *
+ * Description:
+ *   register the hardware crypto driver.
+ *
+ ****************************************************************************/
+
+void hwcr_init(void)
+{
+  int hwcr_id;
+  int algs[CRYPTO_ALGORITHM_MAX + 1];
+
+  hwcr_id = crypto_get_driverid(0);
+  DEBUGASSERT(hwcr_id >= 0);
+
+  memset(algs, 0, sizeof(algs));
+
+  algs[CRYPTO_AES_CBC] = CRYPTO_ALG_FLAG_SUPPORTED;
+  algs[CRYPTO_AES_CTR] = CRYPTO_ALG_FLAG_SUPPORTED;
+
+  crypto_register(hwcr_id, algs, sam_newsession,
+                  sam_freesession, sam_process);
+}

arch/arm/src/stm32/Make.defs

@@ -221,6 +221,10 @@ ifeq ($(CONFIG_STM32_AES),y)
 CHIP_CSRCS += stm32_aes.c
 endif
 
+ifeq ($(CONFIG_CRYPTO_CRYPTODEV_HARDWARE),y)
+CHIP_CSRCS += stm32_crypto.c
+endif
+
 ifeq ($(CONFIG_STM32_BBSRAM),y)
 CHIP_CSRCS += stm32_bbsram.c
 endif