diff --git a/libgamestream/CMakeLists.txt b/libgamestream/CMakeLists.txt
index f9f9299..7f1a813 100644
--- a/libgamestream/CMakeLists.txt
+++ b/libgamestream/CMakeLists.txt
@@ -1,7 +1,7 @@
 find_package(LibUUID REQUIRED)
 find_package(Threads REQUIRED)
 find_package(CURL REQUIRED)
-find_package(OpenSSL REQUIRED)
+find_package(OpenSSL 1.1 REQUIRED)
 find_package(EXPAT REQUIRED)
 
 pkg_check_modules(AVAHI REQUIRED avahi-client)
diff --git a/libgamestream/client.c b/libgamestream/client.c
index 2d547ce..bc6c020 100644
--- a/libgamestream/client.c
+++ b/libgamestream/client.c
@@ -494,12 +494,15 @@ int gs_pair(PSERVER_DATA server, char* pin) {
   char client_secret_data[16];
   RAND_bytes(client_secret_data, 16);
 
+  const ASN1_BIT_STRING *asnSignature;
+  X509_get0_signature(&asnSignature, NULL, cert);
+
   char challenge_response[16 + 256 + 16];
   char challenge_response_hash[32];
   char challenge_response_hash_enc[32];
   char challenge_response_hex[65];
   memcpy(challenge_response, challenge_response_data + hash_length, 16);
-  memcpy(challenge_response + 16, cert->signature->data, 256);
+  memcpy(challenge_response + 16, asnSignature->data, 256);
   memcpy(challenge_response + 16 + 256, client_secret_data, 16);
   if (server->serverMajorVersion >= 7)
     SHA256(challenge_response, 16 + 256 + 16, challenge_response_hash);
diff --git a/libgamestream/mkcert.c b/libgamestream/mkcert.c
index b0d5e5a..e3f6b9e 100644
--- a/libgamestream/mkcert.c
+++ b/libgamestream/mkcert.c
@@ -18,6 +18,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include <openssl/crypto.h>
 #include <openssl/pem.h>
 #include <openssl/conf.h>
 #include <openssl/pkcs12.h>
@@ -42,7 +43,7 @@ CERT_KEY_PAIR mkcert_generate() {
     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
     bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
     
-    SSLeay_add_all_algorithms();
+    OpenSSL_add_all_algorithms();
     ERR_load_crypto_strings();
     
     mkcert(&x509, &pkey, NUM_BITS, SERIAL, NUM_YEARS);
@@ -54,7 +55,6 @@ CERT_KEY_PAIR mkcert_generate() {
 #endif
     CRYPTO_cleanup_all_ex_data();
     
-    CRYPTO_mem_leaks(bio_err);
     BIO_free(bio_err);
     
     return (CERT_KEY_PAIR) {x509, pkey, p12};
diff --git a/third_party/moonlight-common-c b/third_party/moonlight-common-c
index dcdfcd5..27213a1 160000
--- a/third_party/moonlight-common-c
+++ b/third_party/moonlight-common-c
@@ -1 +1 @@
-Subproject commit dcdfcd55e575e7f73e813e338fe9ab11ed1211a7
+Subproject commit 27213a167808e85824cc4e2163c7dcaaadf64e50