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Pairing support for Gen 7 servers

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This commit is contained in:
Iwan Timmer 2016-03-29 11:39:00 +02:00
parent 751bfdc637
commit 7c4768593c
1 changed files with 13 additions and 4 deletions
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17
libgamestream/client.c
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@ -366,11 +366,17 @@ int gs_pair(PSERVER_DATA server, char* pin) {
} }
unsigned char salt_pin[20]; unsigned char salt_pin[20];
unsigned char aes_key_hash[20]; unsigned char aes_key_hash[32];
AES_KEY enc_key, dec_key; AES_KEY enc_key, dec_key;
memcpy(salt_pin, salt_data, 16); memcpy(salt_pin, salt_data, 16);
memcpy(salt_pin+16, pin, 4); memcpy(salt_pin+16, pin, 4);
SHA1(salt_pin, 20, aes_key_hash);
int hash_length = server->serverMajorVersion >= 7 ? 32 : 20;
if (server->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_encrypt_key((unsigned char *)aes_key_hash, 128, &enc_key);
AES_set_decrypt_key((unsigned char *)aes_key_hash, 128, &dec_key); AES_set_decrypt_key((unsigned char *)aes_key_hash, 128, &dec_key);
@ -422,10 +428,13 @@ int gs_pair(PSERVER_DATA server, char* pin) {
char challenge_response_hash[32]; char challenge_response_hash[32];
char challenge_response_hash_enc[32]; char challenge_response_hash_enc[32];
char challenge_response_hex[65]; 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, cert->signature->data, 256); memcpy(challenge_response + 16, cert->signature->data, 256);
memcpy(challenge_response + 16 + 256, client_secret_data, 16); memcpy(challenge_response + 16 + 256, client_secret_data, 16);
SHA1(challenge_response, 16 + 256 + 16, challenge_response_hash); if (server->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) { for (int i = 0; i < 32; i += 16) {
AES_encrypt(&challenge_response_hash[i], &challenge_response_hash_enc[i], &enc_key); AES_encrypt(&challenge_response_hash[i], &challenge_response_hash_enc[i], &enc_key);