Initial PR for MAX32665 and MAX32666 TPU HW Support

wolfcrypt/benchmark/benchmark.c

@@ -14236,6 +14236,14 @@ void bench_sphincsKeySign(byte level, byte optim)
  return (double)tv.SECONDS + (double)tv.MILLISECONDS / 1000;
  }
 
+#elif (defined(WOLFSSL_MAX3266X_OLD) || defined(WOLFSSL_MAX3266X)) \
+ && defined(MAX3266X_RTC)
+
+ double current_time(int reset)
+ {
+ return wc_MXC_RTC_Time();
+ }
+
 #elif defined(FREESCALE_KSDK_BM)
 
  double current_time(int reset)

wolfcrypt/src/aes.c

@@ -82,6 +82,10 @@ block cipher mechanism that uses n-bit binary string parameter key with 128-bits
  #include <wolfssl/wolfcrypt/port/psa/psa.h>
 #endif
 
+#if defined(WOLFSSL_MAX3266X) || defined(WOLFSSL_MAX3266X_OLD)
+ #include <wolfssl/wolfcrypt/port/maxim/max3266x.h>
+#endif
+
 #if defined(WOLFSSL_TI_CRYPT)
  #include <wolfcrypt/src/port/ti/ti-aes.c>
 #else
@@ -4537,13 +4541,12 @@ static void AesSetKey_C(Aes* aes, const byte* key, word32 keySz, int dir)
  return ret;
  }
 #endif
-
  XMEMCPY(aes->key, userKey, keylen);
 
 #ifndef WC_AES_BITSLICED
  #if defined(LITTLE_ENDIAN_ORDER) && !defined(WOLFSSL_PIC32MZ_CRYPT) && \
- (!defined(WOLFSSL_ESP32_CRYPT) || \
-  defined(NO_WOLFSSL_ESP32_CRYPT_AES))
+ (!defined(WOLFSSL_ESP32_CRYPT) || defined(NO_WOLFSSL_ESP32_CRYPT_AES)) \
+ && !defined(MAX3266X_AES)
 
  /* software */
  ByteReverseWords(aes->key, aes->key, keylen);
@@ -5374,6 +5377,83 @@ int wc_AesSetIV(Aes* aes, const byte* iv)
  }
  #endif /* HAVE_AES_DECRYPT */
 
+#elif defined(MAX3266X_AES)
+ int wc_AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
+ {
+ word32 keySize;
+ int status;
+ byte *iv;
+ word32 blocks = (sz / AES_BLOCK_SIZE);
+
+#ifdef WOLFSSL_AES_CBC_LENGTH_CHECKS
+ if (sz % AES_BLOCK_SIZE) {
+ return BAD_LENGTH_E;
+ }
+#endif
+ if (blocks == 0)
+ return 0;
+
+ iv = (byte*)aes->reg;
+
+ status = wc_AesGetKeySize(aes, &keySize);
+ if (status != 0) {
+ return status;
+ }
+
+ status = wc_MXC_TPU_AesEncrypt(in, iv, aes->key, MXC_TPU_MODE_CBC,
+ MXC_AES_DATA_LEN, out,
+ (unsigned int)keySize);
+
+ /* store iv for next call */
+ if (status == E_SUCCESS) {
+ XMEMCPY(iv, out + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
+ }
+
+ return (status == E_SUCCESS) ? 0 : -1;
+ }
+
+ #ifdef HAVE_AES_DECRYPT
+ int wc_AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
+ {
+ word32 keySize;
+ int status;
+ byte *iv;
+ byte temp_block[AES_BLOCK_SIZE];
+ word32 blocks = (sz / AES_BLOCK_SIZE);
+
+#ifdef WOLFSSL_AES_CBC_LENGTH_CHECKS
+ if (sz % AES_BLOCK_SIZE) {
+ return BAD_LENGTH_E;
+ }
+#endif
+ if (blocks == 0)
+ return 0;
+
+ iv = (byte*)aes->reg;
+
+ status = wc_AesGetKeySize(aes, &keySize);
+ if (status != 0) {
+ return status;
+ }
+
+ /* get IV for next call */
+ XMEMCPY(temp_block, in + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
+
+ status = wc_MXC_TPU_AesDecrypt(in, iv, aes->key, MXC_TPU_MODE_CBC,
+ MXC_AES_DATA_LEN, out, keySize);
+
+
+ /* store iv for next call */
+ if (status == E_SUCCESS) {
+ XMEMCPY(iv, temp_block, AES_BLOCK_SIZE);
+ }
+
+ return (status == E_SUCCESS) ? 0 : -1;
+ }
+ #endif /* HAVE_AES_DECRYPT */
+
+
+
 #elif defined(WOLFSSL_PIC32MZ_CRYPT)
 
  int wc_AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)

wolfcrypt/src/include.am

@@ -139,7 +139,8 @@ EXTRA_DIST += wolfcrypt/src/port/ti/ti-aes.c \
  wolfcrypt/src/port/Renesas/renesas_rx64_hw_util.c \
  wolfcrypt/src/port/Renesas/README.md \
  wolfcrypt/src/port/cypress/psoc6_crypto.c \
- wolfcrypt/src/port/liboqs/liboqs.c
+ wolfcrypt/src/port/liboqs/liboqs.c \
+ wolfcrypt/src/port/maxim/max3266x.c
 
 $(ASYNC_FILES):
  $(AM_V_at)touch $(srcdir)/$@