picloud hash key

libs/cloud/picloudtcp.cpp

@@ -24,7 +24,7 @@
 #include "pistreampacker.h"
 
 
-const char hash_def_key[] = "_picrypt_";
+const char hash_cloud_key[] = "_picloud_";
 
 
 PICloud::TCP::Header::Header() {
@@ -43,7 +43,7 @@ void PICloud::TCP::setRole(PICloud::TCP::Role r) {
 
 void PICloud::TCP::setServerName(const PIString & server_name_) {
 	server_name = server_name_;
-	suuid = PICrypt::hash(server_name_);
+	suuid = PICrypt::hash(PIByteArray(server_name_.data(), server_name_.size()), (const unsigned char *)hash_cloud_key, sizeof(hash_cloud_key));
 }
 
 

libs/crypt/picrypt.cpp

@@ -169,6 +169,19 @@ PIByteArray PICrypt::hash(const PIByteArray & data) {
 }
 
 
+PIByteArray PICrypt::hash(const PIByteArray & data, const unsigned char *key, size_t keylen) {
+	PIByteArray hash;
+#ifdef PIP_CRYPT
+	if (!init()) return hash;
+	hash.resize(crypto_generichash_BYTES);
+	crypto_generichash(hash.data(), hash.size(), data.data(), data.size(), key, keylen);
+#else
+	PICRYPT_DISABLED_WARNING
+#endif
+	return hash;
+}
+
+
 size_t PICrypt::sizeHash() {
 #ifdef PIP_CRYPT
 	return crypto_generichash_BYTES;

libs/main/crypt/picrypt.h

@@ -58,6 +58,9 @@ public:
 	//! Generate hash from bytearray
 	static PIByteArray hash(const PIByteArray & data);
 
+	//! Generate hash from bytearray
+	static PIByteArray hash(const PIByteArray & data, const unsigned char * key, size_t keylen);
+
 	//! Returns hash size
 	static size_t sizeHash();