Add build guards on the crypto callback ECC items.

Author: dgarske

wolfcrypt/src/cryptocb.c

@@ -577,6 +577,7 @@ int wc_CryptoCb_RsaGetSize(const RsaKey* key, int* keySize)
 #endif /* !NO_RSA */
 
 #ifdef HAVE_ECC
+#ifdef HAVE_ECC_DHE
 int wc_CryptoCb_MakeEccKey(WC_RNG* rng, int keySize, ecc_key* key, int curveId)
 {
     int ret = WC_NO_ERR_TRACE(CRYPTOCB_UNAVAILABLE);
@@ -629,7 +630,9 @@ int wc_CryptoCb_Ecdh(ecc_key* private_key, ecc_key* public_key,
 
     return wc_CryptoCb_TranslateErrorCode(ret);
 }
+#endif
 
+#ifdef HAVE_ECC_SIGN
 int wc_CryptoCb_EccSign(const byte* in, word32 inlen, byte* out,
     word32 *outlen, WC_RNG* rng, ecc_key* key)
 {
@@ -658,7 +661,9 @@ int wc_CryptoCb_EccSign(const byte* in, word32 inlen, byte* out,
 
     return wc_CryptoCb_TranslateErrorCode(ret);
 }
+#endif
 
+#ifdef HAVE_ECC_VERIFY
 int wc_CryptoCb_EccVerify(const byte* sig, word32 siglen,
     const byte* hash, word32 hashlen, int* res, ecc_key* key)
 {
@@ -687,7 +692,9 @@ int wc_CryptoCb_EccVerify(const byte* sig, word32 siglen,
 
     return wc_CryptoCb_TranslateErrorCode(ret);
 }
+#endif
 
+#ifdef HAVE_ECC_CHECK_KEY
 int wc_CryptoCb_EccCheckPrivKey(ecc_key* key, const byte* pubKey,
     word32 pubKeySz)
 {
@@ -713,6 +720,7 @@ int wc_CryptoCb_EccCheckPrivKey(ecc_key* key, const byte* pubKey,
 
     return wc_CryptoCb_TranslateErrorCode(ret);
 }
+#endif
 #endif /* HAVE_ECC */
 
 #ifdef HAVE_CURVE25519

wolfssl/wolfcrypt/cryptocb.h

@@ -176,6 +176,7 @@ typedef struct wc_CryptoInfo {
             } rsa_get_size;
         #endif
         #ifdef HAVE_ECC
+            #ifdef HAVE_ECC_DHE
             struct {
                 WC_RNG*  rng;
                 int      size;
@@ -188,6 +189,8 @@ typedef struct wc_CryptoInfo {
                 byte*    out;
                 word32*  outlen;
             } ecdh;
+            #endif
+            #ifdef HAVE_ECC_SIGN
             struct {
                 const byte* in;
                 word32      inlen;
@@ -196,6 +199,8 @@ typedef struct wc_CryptoInfo {
                 WC_RNG*     rng;
                 ecc_key*    key;
             } eccsign;
+            #endif
+            #ifdef HAVE_ECC_VERIFY
             struct {
                 const byte* sig;
                 word32      siglen;
@@ -204,12 +209,15 @@ typedef struct wc_CryptoInfo {
                 int*        res;
                 ecc_key*    key;
             } eccverify;
+            #endif
+            #ifdef HAVE_ECC_CHECK_KEY
             struct {
                 ecc_key*    key;
                 const byte* pubKey;
                 word32      pubKeySz;
             } ecc_check;
-        #endif
+            #endif
+        #endif /* HAVE_ECC */
         #ifdef HAVE_CURVE25519
             struct {
                 WC_RNG*  rng;