Add GL_ExtensionSupported in vid_null.c because vid_shared.c relies on

[xonotic/darkplaces.git] / crypto.h

diff --git a/crypto.h b/crypto.h
index 19e9735d5955771310432edf8c7b64fa71fca89c..0a2d4869cea4679813929d6c33da8b85acd2da36 100644 (file)
--- a/crypto.h
+++ b/crypto.h
@@ -20,9 +20,11 @@ typedef struct
 {
        unsigned char dhkey[DHKEY_SIZE]; // shared key, not NUL terminated
        char client_idfp[FP64_SIZE+1];
-       char client_keyfp[FP64_SIZE+1]; // NULL if signature fail
+       char client_keyfp[FP64_SIZE+1];
+       qboolean client_issigned;
        char server_idfp[FP64_SIZE+1];
-       char server_keyfp[FP64_SIZE+1]; // NULL if signature fail
+       char server_keyfp[FP64_SIZE+1];
+       qboolean server_issigned;
        qboolean authenticated;
        qboolean use_aes;
        void *data;
@@ -31,7 +33,10 @@ crypto_t;
 
 void Crypto_Init(void);
 void Crypto_Init_Commands(void);
+void Crypto_LoadKeys(void); // NOTE: when this is called, the SV_LockThreadMutex MUST be active
 void Crypto_Shutdown(void);
+qboolean Crypto_Available(void);
+void sha256(unsigned char *out, const unsigned char *in, int n); // may ONLY be called if Crypto_Available()
 const void *Crypto_EncryptPacket(crypto_t *crypto, const void *data_src, size_t len_src, void *data_dst, size_t *len_dst, size_t len);
 const void *Crypto_DecryptPacket(crypto_t *crypto, const void *data_src, size_t len_src, void *data_dst, size_t *len_dst, size_t len);
 #define CRYPTO_NOMATCH 0        // process as usual (packet was not used)
@@ -45,13 +50,16 @@ int Crypto_ServerParsePacket(const char *data_in, size_t len_in, char *data_out,
 
 qboolean Crypto_ServerAppendToChallenge(const char *data_in, size_t len_in, char *data_out, size_t *len_out, size_t maxlen);
 crypto_t *Crypto_ServerGetInstance(lhnetaddress_t *peeraddress);
-qboolean Crypto_ServerFinishInstance(crypto_t *out, crypto_t *in); // also clears allocated memory
+qboolean Crypto_FinishInstance(crypto_t *out, crypto_t *in); // also clears allocated memory, and frees the instance received by ServerGetInstance
 const char *Crypto_GetInfoResponseDataString(void);
 
 // retrieves a host key for an address (can be exposed to menuqc, or used by the engine to look up stored keys e.g. for server bookmarking)
 // pointers may be NULL
-qboolean Crypto_RetrieveHostKey(lhnetaddress_t *peeraddress, int *keyid, char *keyfp, size_t keyfplen, char *idfp, size_t idfplen, int *aeslevel);
-int Crypto_RetrieveLocalKey(int keyid, char *keyfp, size_t keyfplen, char *idfp, size_t idfplen); // return value: -1 if more to come, +1 if valid, 0 if end of list
+qboolean Crypto_RetrieveHostKey(lhnetaddress_t *peeraddress, int *keyid, char *keyfp, size_t keyfplen, char *idfp, size_t idfplen, int *aeslevel, qboolean *issigned);
+int Crypto_RetrieveLocalKey(int keyid, char *keyfp, size_t keyfplen, char *idfp, size_t idfplen, qboolean *issigned); // return value: -1 if more to come, +1 if valid, 0 if end of list
+
+size_t Crypto_SignData(const void *data, size_t datasize, int keyid, void *signed_data, size_t signed_size);
+size_t Crypto_SignDataDetached(const void *data, size_t datasize, int keyid, void *signed_data, size_t signed_size);
 
 // netconn protocol:
 //   non-crypto: