rename function args to match implementation

Author: bigbrett

wolfcrypt/src/asn.c

@@ -24629,7 +24629,7 @@ int wc_CertGetPubKey(const byte* cert, word32 certSz,
  * @return BUFFER_E if the provided buffer is too small
  */
 WOLFSSL_API int wc_GetSubjectPubKeyInfoDerFromCert(const byte* certDer,
-                                                   word32 certSz,
+                                                   word32 certDerSz,
                                                    byte* pubKeyDer,
                                                    word32* pubKeyDerSz)
 {
@@ -24640,14 +24640,14 @@ WOLFSSL_API int wc_GetSubjectPubKeyInfoDerFromCert(const byte* certDer,
     word32      length;
     int         badDate;
 
-    if (certDer == NULL || certSz == 0 || pubKeyDerSz == NULL) {
+    if (certDer == NULL || certDerSz == 0 || pubKeyDerSz == NULL) {
         return BAD_FUNC_ARG;
     }
 
     length = 0;
     badDate = 0;
 
-    wc_InitDecodedCert(&cert, certDer, certSz, NULL);
+    wc_InitDecodedCert(&cert, certDer, certDerSz, NULL);
 
     /* Parse up to the SubjectPublicKeyInfo */
     ret = wc_GetPubX509(&cert, 0, &badDate);
@@ -24657,7 +24657,7 @@ WOLFSSL_API int wc_GetSubjectPubKeyInfoDerFromCert(const byte* certDer,
 
         /* Get the length of the SubjectPublicKeyInfo sequence */
         idx = startIdx;
-        ret = GetSequence(certDer, &idx, (int*)&length, certSz);
+        ret = GetSequence(certDer, &idx, (int*)&length, certDerSz);
         if (ret >= 0) {
             /* Calculate total length including sequence header */
             length += (idx - startIdx);

wolfssl/wolfcrypt/asn_public.h

@@ -879,9 +879,10 @@ WOLFSSL_API int  wc_ParseCert(
 
 WOLFSSL_API int wc_GetPubKeyDerFromCert(struct DecodedCert* cert,
                                         byte* derKey, word32* derKeySz);
-WOLFSSL_API int wc_GetSubjectPubKeyInfoDerFromCert(const byte* cert,
-                                                   word32 certSz, byte* pubKey,
-                                                   word32* pubKeySz);
+WOLFSSL_API int wc_GetSubjectPubKeyInfoDerFromCert(const byte* certDer,
+                                                   word32 certDerSz,
+                                                   byte* pubKeyDer,
+                                                   word32* pubKeyDerSz);
 
 #ifdef WOLFSSL_FPKI
 WOLFSSL_API int wc_GetUUIDFromCert(struct DecodedCert* cert,