Added new build option for Microchip CryptoAuthLib (--enable-cryptoauthlib). Build fixes with WOLFSSL_ATECC508A enabled.

configure.ac

@@ -788,6 +788,20 @@ fi
 AM_CONDITIONAL([BUILD_PKCALLBACKS],   [ test "x$ENABLED_PKCALLBACKS" = "xyes" ])
 
 
+AC_ARG_ENABLE([cryptoauthlib],
+    [AS_HELP_STRING([--enable-cryptoauthlib],[Enable CryptoAuthLib (default: disabled)])],
+    [ ENABLED_CRYPTOAUTHLIB=$enableval ],
+    [ ENABLED_CRYPTOAUTHLIB=no ]
+    )
+
+if test "$ENABLED_CRYPTOAUTHLIB" = "yes"
+then
+    AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_ATECC508A"
+fi
+
+AM_CONDITIONAL([BUILD_CRYPTOAUTHLIB],   [ test "x$ENABLED_CRYPTOAUTHLIB" = "xyes" ])
+
+
 # sniffer doesn't work in maxstrength mode
 if test "$ENABLED_SNIFFER" = "yes" && test "$ENABLED_MAXSTRENGTH" = "yes"
 then

tests/api.c

@@ -14266,7 +14266,8 @@ static int test_wc_ecc_pointFns (void)
 {
     int         ret = 0;
 
-#if defined(HAVE_ECC) && defined(HAVE_ECC_KEY_EXPORT) && !defined(WC_NO_RNG)
+#if defined(HAVE_ECC) && defined(HAVE_ECC_KEY_EXPORT) && \
+    !defined(WC_NO_RNG) && !defined(WOLFSSL_ATECC508A)
     ecc_key     key;
     WC_RNG      rng;
     ecc_point*  point = NULL;
@@ -14440,7 +14441,8 @@ static int test_wc_ecc_shared_secret_ssh (void)
 {
     int         ret = 0;
 
-#if defined(HAVE_ECC) && defined(HAVE_ECC_DHE) && !defined(WC_NO_RNG)
+#if defined(HAVE_ECC) && defined(HAVE_ECC_DHE) && \
+    !defined(WC_NO_RNG) && !defined(WOLFSSL_ATECC508A)
     ecc_key     key, key2;
     WC_RNG      rng;
     int         keySz = KEY32;

wolfcrypt/src/include.am

@@ -52,7 +52,6 @@ EXTRA_DIST += wolfcrypt/src/port/ti/ti-aes.c \
               wolfcrypt/src/port/arm/armv8-aes.c \
               wolfcrypt/src/port/arm/armv8-sha256.c \
               wolfcrypt/src/port/nxp/ksdk_port.c \
-              wolfcrypt/src/port/atmel/atmel.c \
               wolfcrypt/src/port/atmel/README.md \
               wolfcrypt/src/port/xilinx/xil-sha3.c \
               wolfcrypt/src/port/xilinx/xil-aesgcm.c \
@@ -96,3 +95,7 @@ src_libwolfssl_la_SOURCES += wolfcrypt/src/port/intel/quickassist_mem.c
 
 EXTRA_DIST += wolfcrypt/src/port/intel/README.md
 endif
+
+if BUILD_CRYPTOAUTHLIB
+src_libwolfssl_la_SOURCES += wolfcrypt/src/port/atmel/atmel.c
+endif

wolfssl/wolfcrypt/port/atmel/atmel.h

@@ -70,6 +70,7 @@ extern t_atcert atcert;
 void atmel_init(void);
 void atmel_finish(void);
 int  atmel_get_random_number(uint32_t count, uint8_t* rand_out);
+int atmel_get_random_block(unsigned char* output, unsigned int sz);
 long atmel_get_curr_time_and_date(long* tm);
 
 #ifdef WOLFSSL_ATECC508A