diff -ur a/src/utils/lib/CryptoPP.cc b/src/utils/lib/CryptoPP.cc
--- a/src/utils/lib/CryptoPP.cc	2021-07-06 22:20:46.675183781 +0200
+++ b/src/utils/lib/CryptoPP.cc	2021-07-06 22:20:51.025182789 +0200
@@ -9482,7 +9482,7 @@
 #define PRIVKEYSIZE 384
 
 static Signer* s_signer = NULL;   
-static byte m_publicKey[MAXPUBKEYSIZE+1];
+static CryptoPP::byte m_publicKey[MAXPUBKEYSIZE+1];
 static unsigned long m_publicKeyLen = 0;
 
 void cc_lprintf_nl(const char * msg, bool verb);
@@ -9555,7 +9555,7 @@
 
 
 // return signatureSize (buf)
-int createSignature(byte *buf, int maxLen, byte *key, int keyLen, uint32_t cInt, uint8_t ipType, uint32_t ip) {
+int createSignature(CryptoPP::byte *buf, int maxLen, CryptoPP::byte *key, int keyLen, uint32_t cInt, uint8_t ipType, uint32_t ip) {
 
 	int result = 0;
 
@@ -9570,7 +9570,7 @@
 		CryptoPP::SecByteBlock sBB(s_signer->SignatureLength());
 		CryptoPP::AutoSeededRandomPool rng;
 	
-		byte bArray[MAXPUBKEYSIZE+9];
+		CryptoPP::byte bArray[MAXPUBKEYSIZE+9];
 
 		memcpy(bArray,key,keyLen);
 		PokeUInt32(bArray+keyLen,cInt);   
@@ -9597,7 +9597,7 @@
 
 }
 
-int verifySignature(byte *key, int keyLen, byte *sig, int sigLen, uint32_t cInt, uint8_t ipType, uint32_t ip) {
+int verifySignature(CryptoPP::byte *key, int keyLen, CryptoPP::byte *sig, int sigLen, uint32_t cInt, uint8_t ipType, uint32_t ip) {
   using namespace CryptoPP;
 
 	bool result = false;
@@ -9607,7 +9607,7 @@
 		StringSource ss_Pubkey(key, keyLen,true,0);
 		Verifier pubKey(ss_Pubkey);
 
-		byte bArray[MAXPUBKEYSIZE+9];
+		CryptoPP::byte bArray[MAXPUBKEYSIZE+9];
 	
 		memcpy(bArray,m_publicKey,m_publicKeyLen);
 		PokeUInt32(bArray+m_publicKeyLen,cInt); 
diff -ur a/src/utils/lib/CryptoPP.h b/src/utils/lib/CryptoPP.h
--- a/src/utils/lib/CryptoPP.h	2021-07-06 22:20:46.675183781 +0200
+++ b/src/utils/lib/CryptoPP.h	2021-07-06 22:20:56.271848200 +0200
@@ -181,10 +181,9 @@
 #	define __USE_W32_SOCKETS
 #endif
 
-typedef unsigned char byte;		// put in global namespace to avoid ambiguity with other byte typedefs
-
 NAMESPACE_BEGIN(CryptoPP)
 
+typedef unsigned char byte;		// put in global namespace to avoid ambiguity with other byte typedefs
 typedef unsigned short word16;
 typedef unsigned int word32;