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Implement NaCl-side of pairing with Gen 7 servers

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This commit is contained in:
Cameron Gutman 2016-03-31 11:54:06 -04:00
parent 392c6f140a
commit f18dbd88e0
3 changed files with 17 additions and 7 deletions
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20
libgamestream/pairing.c
View File

@ -126,7 +126,7 @@ cleanup:
return result;
}
int gs_pair(const char* address, const char* pin) {
int gs_pair(int serverMajorVersion, const char* address, const char* pin) {
int ret = GS_OK;
char url[4096];
@ -143,11 +143,17 @@ int gs_pair(const char* address, const char* pin) {
goto cleanup;
unsigned char salt_pin[20];
unsigned char aes_key_hash[20];
unsigned char aes_key_hash[32];
AES_KEY enc_key, dec_key;
memcpy(salt_pin, salt_data, 16);
memcpy(salt_pin+16, pin, 4);
SHA1(salt_pin, 20, aes_key_hash);
int hash_length = serverMajorVersion >= 7 ? 32 : 20;
if (serverMajorVersion >= 7)
SHA256(salt_pin, 20, aes_key_hash);
else
SHA1(salt_pin, 20, aes_key_hash);
AES_set_encrypt_key((unsigned char *)aes_key_hash, 128, &enc_key);
AES_set_decrypt_key((unsigned char *)aes_key_hash, 128, &dec_key);
@ -186,10 +192,14 @@ int gs_pair(const char* address, const char* pin) {
unsigned char challenge_response_hash[32];
unsigned char challenge_response_hash_enc[32];
char challenge_response_hex[65];
memcpy(challenge_response, challenge_response_data + 20, 16);
memcpy(challenge_response, challenge_response_data + hash_length, 16);
memcpy(challenge_response + 16, g_Cert->signature->data, 256);
memcpy(challenge_response + 16 + 256, client_secret_data, 16);
SHA1(challenge_response, 16 + 256 + 16, challenge_response_hash);
if (serverMajorVersion >= 7)
SHA256(challenge_response, 16 + 256 + 16, challenge_response_hash);
else
SHA1(challenge_response, 16 + 256 + 16, challenge_response_hash);
for (int i = 0; i < 32; i += 16) {
AES_encrypt(&challenge_response_hash[i], &challenge_response_hash_enc[i], &enc_key);

2
libgamestream/pairing.h
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@ -23,7 +23,7 @@
extern "C" {
#endif
int gs_pair(const char* address, const char* pin);
int gs_pair(int serverMajorVersion, const char* address, const char* pin);
#ifdef __cplusplus
}

2
main.cpp
View File

@ -223,7 +223,7 @@ void MoonlightInstance::HandlePair(int32_t callbackId, pp::VarArray args) {
}
void MoonlightInstance::PairCallback(int32_t /*result*/, int32_t callbackId, pp::VarArray args) {
int err = gs_pair(args.Get(0).AsString().c_str(), args.Get(1).AsString().c_str());
int err = gs_pair(atoi(args.Get(0).AsString().c_str()), args.Get(1).AsString().c_str(), args.Get(2).AsString().c_str());
pp::VarDictionary ret;
ret.Set("callbackId", pp::Var(callbackId));