diff --git a/src/internal.c b/src/internal.c
index 8bb47cf2..1bcff7c7 100644
--- a/src/internal.c
+++ b/src/internal.c
@@ -1927,6 +1927,9 @@ static int DoUserAuthRequestPublicKey(WOLFSSH* ssh, WS_UserAuthData* authData,
             uint32_t encDigestSz;
             uint8_t pkTypeId;
 
+            WMEMSET(checkDigest, 0, sizeof(checkDigest));
+            WMEMSET(encDigest, 0, sizeof(encDigest));
+
             pkTypeId = NameToId((char*)pk->publicKeyType, pk->publicKeyTypeSz);
 
             if (pkTypeId == ID_SSH_RSA)
diff --git a/wolfssh/internal.h b/wolfssh/internal.h
index 9cd5dc89..1b23b1aa 100644
--- a/wolfssh/internal.h
+++ b/wolfssh/internal.h
@@ -265,10 +265,10 @@ struct WOLFSSH_CHANNEL {
 };
 
 
-WOLFSSL_LOCAL WOLFSSH_CTX* CtxInit(WOLFSSH_CTX*, void*);
-WOLFSSL_LOCAL void CtxResourceFree(WOLFSSH_CTX*);
+WOLFSSH_LOCAL WOLFSSH_CTX* CtxInit(WOLFSSH_CTX*, void*);
+WOLFSSH_LOCAL void CtxResourceFree(WOLFSSH_CTX*);
 WOLFSSH_LOCAL WOLFSSH* SshInit(WOLFSSH*, WOLFSSH_CTX*);
-WOLFSSL_LOCAL void SshResourceFree(WOLFSSH*, void*);
+WOLFSSH_LOCAL void SshResourceFree(WOLFSSH*, void*);
 
 WOLFSSH_LOCAL WOLFSSH_CHANNEL* ChannelNew(WOLFSSH*, uint8_t, uint32_t,
                                           uint32_t, uint32_t);