add WOLFSSL_ATECC6088A, Trust&GO support, PIC32 HAL compatibility, 608A expansions

wolfssl/wolfcrypt/ecc.h

@@ -50,7 +50,7 @@
     #endif
 #endif
 
-#ifdef WOLFSSL_ATECC508A
+#if defined(WOLFSSL_ATECC508A) || defined(WOLFSSL_ATECC608A)
     #include <wolfssl/wolfcrypt/port/atmel/atmel.h>
 #endif /* WOLFSSL_ATECC508A */
 
@@ -127,7 +127,7 @@ enum {
     ECC_MAX_SIG_SIZE= ((MAX_ECC_BYTES * 2) + ECC_MAX_PAD_SZ + SIG_HEADER_SZ),
 
     /* max crypto hardware size */
-#ifdef WOLFSSL_ATECC508A
+#if defined(WOLFSSL_ATECC508A) || defined(WOLFSSL_ATECC608A)
     ECC_MAX_CRYPTO_HW_SIZE = ATECC_KEY_SIZE, /* from port/atmel/atmel.h */
     ECC_MAX_CRYPTO_HW_PUBKEY_SIZE = (ATECC_KEY_SIZE*2),
 #elif defined(PLUTON_CRYPTO_ECC)
@@ -369,7 +369,7 @@ struct ecc_key {
     void* heap;         /* heap hint */
     ecc_point pubkey;   /* public key */
     mp_int    k;        /* private key */
-#ifdef WOLFSSL_ATECC508A
+#if defined(WOLFSSL_ATECC508A) || defined(WOLFSSL_ATECC608A)
     int  slot;        /* Key Slot Number (-1 unknown) */
     byte pubkey_raw[ECC_MAX_CRYPTO_HW_PUBKEY_SIZE];
 #endif
@@ -427,7 +427,7 @@ extern const size_t ecc_sets_count;
 WOLFSSL_API
 const char* wc_ecc_get_name(int curve_id);
 
-#ifndef WOLFSSL_ATECC508A
+#if !defined(WOLFSSL_ATECC508A) && !defined(WOLFSSL_ATECC608A)
 
 #ifdef WOLFSSL_PUBLIC_ECC_ADD_DBL
     #define ECC_API    WOLFSSL_API
@@ -472,7 +472,8 @@ WOLFSSL_API
 int wc_ecc_shared_secret_ex(ecc_key* private_key, ecc_point* point,
                              byte* out, word32 *outlen);
 
-#if defined(WOLFSSL_ATECC508A) || defined(PLUTON_CRYPTO_ECC) || defined(WOLFSSL_CRYPTOCELL)
+#if defined(WOLFSSL_ATECC508A) || defined(WOLFSSL_ATECC608A) || \
+    defined(PLUTON_CRYPTO_ECC) || defined(WOLFSSL_CRYPTOCELL)
 #define wc_ecc_shared_secret_ssh wc_ecc_shared_secret
 #else
 #define wc_ecc_shared_secret_ssh wc_ecc_shared_secret_ex /* For backwards compat */
@@ -571,7 +572,7 @@ int wc_ecc_cmp_point(ecc_point* a, ecc_point *b);
 WOLFSSL_API
 int wc_ecc_point_is_at_infinity(ecc_point *p);
 
-#ifndef WOLFSSL_ATECC508A
+#if !defined(WOLFSSL_ATECC508A) && !defined(WOLFSSL_ATECC608A)
 WOLFSSL_API
 int wc_ecc_mulmod(mp_int* k, ecc_point *G, ecc_point *R,
                   mp_int* a, mp_int* modulus, int map);

wolfssl/wolfcrypt/port/atmel/atmel.h

@@ -27,14 +27,15 @@
 #include <wolfssl/wolfcrypt/settings.h>
 #include <wolfssl/wolfcrypt/error-crypt.h>
 
-#if defined(WOLFSSL_ATECC508A) || defined(WOLFSSL_ATECC_PKCB)
+#if defined(WOLFSSL_ATECC508A) || defined(WOLFSSL_ATECC608A) || \
+    defined(WOLFSSL_ATECC_PKCB)
     #undef  SHA_BLOCK_SIZE
     #define SHA_BLOCK_SIZE  SHA_BLOCK_SIZE_REMAP
     #include <cryptoauthlib.h>
     #undef SHA_BLOCK_SIZE
 #endif
 
-/* ATECC508A only supports ECC P-256 */
+/* ATECC508A/608A only supports ECC P-256 */
 #define ATECC_KEY_SIZE      (32)
 #define ATECC_PUBKEY_SIZE   (ATECC_KEY_SIZE*2) /* X and Y */
 #define ATECC_SIG_SIZE      (ATECC_KEY_SIZE*2) /* R and S */
@@ -53,11 +54,19 @@
 #endif
 /* Symmetric encryption key */
 #ifndef ATECC_SLOT_I2C_ENC
-#define ATECC_SLOT_I2C_ENC        (0x04)
+    #ifdef WOLFSSL_ATECC_TNGTLS
+        #define ATECC_SLOT_I2C_ENC        (0x06)
+    #else
+        #define ATECC_SLOT_I2C_ENC        (0x04)
+    #endif
 #endif
 /* Parent encryption key */
 #ifndef ATECC_SLOT_ENC_PARENT
-#define ATECC_SLOT_ENC_PARENT     (0x7)
+    #ifdef WOLFSSL_ATECC_TNGTLS
+        #define ATECC_SLOT_ENC_PARENT     (0x6)
+    #else
+        #define ATECC_SLOT_ENC_PARENT     (0x7)
+    #endif
 #endif
 
 /* ATECC_KEY_SIZE required for ecc.h */
@@ -78,7 +87,7 @@ int  atmel_get_random_number(uint32_t count, uint8_t* rand_out);
 #endif
 long atmel_get_curr_time_and_date(long* tm);
 
-#ifdef WOLFSSL_ATECC508A
+#if defined(WOLFSSL_ATECC508A) || defined(WOLFSSL_ATECC608A)
 
 enum atmelSlotType {
     ATMEL_SLOT_ANY,
@@ -100,6 +109,8 @@ int  atmel_ecc_translate_err(int status);
 int  atmel_get_rev_info(word32* revision);
 void atmel_show_rev_info(void);
 
+WOLFSSL_API int wolfCrypt_ATECC_SetConfig(ATCAIfaceCfg* cfg);
+
 /* The macro ATECC_GET_ENC_KEY can be set to override the default
    encryption key with your own at build-time */
 #ifndef ATECC_GET_ENC_KEY

wolfssl/wolfcrypt/settings.h

@@ -383,6 +383,14 @@
     #endif
 #endif
 
+#ifdef WOLFSSL_ATECC508A
+    /* backwards compatibility */
+    #define WOLFSSL_ATECC_ECDH_ENC
+    #ifdef WOLFSSL_ATECC508A_DEBUG
+        #define WOLFSSL_ATECC_DEBUG
+    #endif
+#endif
+
 #ifdef MBED
     #define WOLFSSL_USER_IO
     #define NO_FILESYSTEM