add MP RSA HW error codes to error.c; see wolfSSL#6565 (comment)

gojimmypi · Jul 10, 2023 · 70e9843 · 70e9843
1 parent 73d447d
commit 70e9843
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Showing 3 changed files with 21 additions and 2 deletions.
diff --git a/IDE/Espressif/ESP-IDF/examples/wolfssl_test/VisualGDB/wolfssl_test-IDF_v5_ESP32.sln b/IDE/Espressif/ESP-IDF/examples/wolfssl_test/VisualGDB/wolfssl_test-IDF_v5_ESP32.sln
@@ -17,6 +17,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "wolfssl", "wolfssl", "{D9780A88-9270-4F6A-BE47-F3B0264381E3}"
 	ProjectSection(SolutionItems) = preProject
+		..\..\..\..\..\..\wolfssl\wolfcrypt\error-crypt.h = ..\..\..\..\..\..\wolfssl\wolfcrypt\error-crypt.h
+		..\..\..\..\..\..\wolfcrypt\src\error.c = ..\..\..\..\..\..\wolfcrypt\src\error.c
 		..\..\..\..\..\..\wolfssl\wolfcrypt\port\Espressif\esp32-crypt.h = ..\..\..\..\..\..\wolfssl\wolfcrypt\port\Espressif\esp32-crypt.h
 		..\..\..\..\..\..\wolfcrypt\src\port\Espressif\esp32_aes.c = ..\..\..\..\..\..\wolfcrypt\src\port\Espressif\esp32_aes.c
 		..\..\..\..\..\..\wolfcrypt\src\port\Espressif\esp32_mp.c = ..\..\..\..\..\..\wolfcrypt\src\port\Espressif\esp32_mp.c

diff --git a/wolfcrypt/src/error.c b/wolfcrypt/src/error.c
@@ -595,6 +595,18 @@ const char* wc_GetErrorString(int error)
     case SM4_CCM_AUTH_E:
         return "SM4-CCM Authentication check fail";
 
+    case RSA_HW_ERROR:
+        return "Hardware math acceleration error";
+
+    case RSA_HW_BUSY:
+        return "Hardware math accelerator busy, can fall back to SW";
+
+    case RSA_HW_FALLBACK:
+        return "Hardware math issue: not supported, always fall back to SW";
+
+    case RSA_HW_VALIDATION_ACTIVE:
+        return "Hardware acceleration will call into SW to validate result";
+
     default:
         return "unknown error number";
 

diff --git a/wolfssl/wolfcrypt/error-crypt.h b/wolfssl/wolfcrypt/error-crypt.h
@@ -263,8 +263,13 @@ enum {
     SM4_GCM_AUTH_E      = -298,  /* SM4-GCM Authentication check failure */
     SM4_CCM_AUTH_E      = -299,  /* SM4-CCM Authentication check failure */
 
-    WC_LAST_E           = -299,  /* Update this to indicate last error */
-    MIN_CODE_E          = -300   /* errors -101 - -299 */
+    RSA_HW_ERROR         = -300, /* hardware math error                     */
+    RSA_HW_BUSY          = -301, /* hardware math busy, may fall back to SW */
+    RSA_HW_FALLBACK      = -302, /* signal to caller to fall back to SW     */
+    RSA_HW_VALIDATION_ACTIVE = -303, /* optional debug HW validation active */
+
+    WC_LAST_E           = -303,  /* Update this to indicate last error */
+    MIN_CODE_E          = -303   /* errors -101 - -303 */
 
     /* add new companion error id strings for any new error codes
        wolfcrypt/src/error.c !!! */