Added asynchronous wolfCrypt RSA, TLS client and Cavium Nitrox V support. Asynchronous wolfSSL client support for "DoServerKeyExchange", "SendClientKeyExchange", "SendCertificateVerify" and "DoCertificateVerify". Fixes for async DTLS. Refactor of the wolf event and async handling for use in wolfCrypt. Refactor of the async device support so its hardware agnostic. Added Cavium Nitrox V support (Nitrox tested using SDK v0.2 CNN55XX-SDK with new configure "--with-cavium-v=/dir" option). Moved Nitrox specific functions to new port file "port/cavium/cavium_nitrox.c". RSA refactor to handle async with states. RSA optimization for using dpraw for private key decode. Use double linked list in wolf event for faster/cleaner code. Use typedef for wolf event flag. Cleanup of the async error codes. wolfCrypt test and benchmark support for async RSA. Asynchronous mode enabled using "./configure --enable-asynccrypt". If no async hardware is defined then the internal async simulator (WOLFSSL_ASYNC_CRYPT_TEST) is used. Note: Using async mode requires async.c/h files from wolfSSL. If interested in using asynchronous mode please send email to info@wolfssl.com.

wolfcrypt/src/error.c

@@ -62,6 +62,15 @@ const char* wc_GetErrorString(int error)
     case BAD_MUTEX_E :
         return "Bad mutex, operation failed";
 
+    case WC_TIMEOUT_E:
+        return "Timeout error";
+
+    case WC_PENDING_E:
+        return "wolfCrypt Operation Pending (would block / eagain) error";
+
+    case WC_NOT_PENDING_E:
+        return "wolfCrypt operation not pending error";
+
     case MP_INIT_E :
         return "mp_init error state";
 
@@ -227,8 +236,8 @@ const char* wc_GetErrorString(int error)
     case AES_CCM_AUTH_E:
         return "AES-CCM Authentication check fail";
 
-    case CAVIUM_INIT_E:
-        return "Cavium Init type error";
+    case ASYNC_INIT_E:
+        return "Async Init error";
 
     case COMPRESS_INIT_E:
         return "Compress Init error";
@@ -257,8 +266,8 @@ const char* wc_GetErrorString(int error)
     case ASN_OCSP_CONFIRM_E :
         return "ASN OCSP sig error, confirm failure";
 
-    case BAD_ENC_STATE_E:
-        return "Bad ecc encrypt state operation";
+    case BAD_STATE_E:
+        return "Bad state operation";
 
     case BAD_PADDING_E:
         return "Bad padding, message wrong length";
@@ -377,9 +386,6 @@ const char* wc_GetErrorString(int error)
     case HASH_TYPE_E:
         return "Hash type not enabled/available";
 
-    case WC_PENDING_E:
-        return "wolfCrypt Operation Pending (would block / eagain) error";
-
     case WC_KEY_SIZE_E:
         return "Key size error, either too small or large";