Expose Interface for App to Set Stateless Reset Key

src/core/library.c

@@ -1112,6 +1112,30 @@ QuicLibrarySetGlobalParam(
         Status = QUIC_STATUS_SUCCESS;
         break;
 
+    case QUIC_PARAM_GLOBAL_STATELESS_RESETKEY:
+        if (BufferLength != QUIC_STATELESS_RESETKEY_LENGTH * sizeof (uint8_t)) {
+            Status = QUIC_STATUS_INVALID_PARAMETER;
+            break;
+        }
+
+        for (uint16_t i = 0; i < MsQuicLib.ProcessorCount; ++i) {
+            QUIC_LIBRARY_PP* PerProc = &MsQuicLib.PerProc[i];
+            CxPlatLockAcquire(&PerProc->ResetTokenLock);
+            CxPlatHashFree(PerProc->ResetTokenHash);
+            Status =
+                CxPlatHashCreate(
+                    CXPLAT_HASH_SHA256,
+                    (uint8_t*)Buffer,
+                    QUIC_STATELESS_RESETKEY_LENGTH * sizeof(uint8_t),
+                    &PerProc->ResetTokenHash);
+            if (QUIC_FAILED(Status)) {
+                return Status;
+            }
+            CxPlatLockRelease(&PerProc->ResetTokenLock);
+        }
+        Status = QUIC_STATUS_SUCCESS;
+        break;
+
     default:
         Status = QUIC_STATUS_INVALID_PARAMETER;
         break;

src/cs/lib/msquic_generated.cs

@@ -3143,6 +3143,9 @@ internal static unsafe partial class MsQuic
         [NativeTypeName("#define QUIC_PARAM_GLOBAL_TLS_PROVIDER 0x0100000A")]
         internal const uint QUIC_PARAM_GLOBAL_TLS_PROVIDER = 0x0100000A;
 
+        [NativeTypeName("#define QUIC_PARAM_GLOBAL_STATELESS_RESETKEY 0x0100000B")]
+        internal const uint QUIC_PARAM_GLOBAL_STATELESS_RESETKEY = 0x0100000B;
+
         [NativeTypeName("#define QUIC_PARAM_CONFIGURATION_SETTINGS 0x03000000")]
         internal const uint QUIC_PARAM_CONFIGURATION_SETTINGS = 0x03000000;
 

src/inc/msquic.h

@@ -70,6 +70,11 @@ typedef _In_range_(0, QUIC_UINT62_MAX) uint64_t QUIC_UINT62;
 //
 #define QUIC_MAX_RESUMPTION_APP_DATA_LENGTH     1000
 
+//
+// The number of bytes of stateless reset key
+//
+#define QUIC_STATELESS_RESETKEY_LENGTH       32
+
 typedef enum QUIC_TLS_PROVIDER {
     QUIC_TLS_PROVIDER_SCHANNEL                  = 0x0000,
     QUIC_TLS_PROVIDER_OPENSSL                   = 0x0001,
@@ -832,7 +837,7 @@ void
 #define QUIC_PARAM_GLOBAL_EXECUTION_CONFIG              0x01000009  // QUIC_EXECUTION_CONFIG
 #endif
 #define QUIC_PARAM_GLOBAL_TLS_PROVIDER                  0x0100000A  // QUIC_TLS_PROVIDER
-
+#define QUIC_PARAM_GLOBAL_STATELESS_RESETKEY            0x0100000B  // uint8_t[] Array size is QUIC_STATELESS_RESETKEY_LENGTH
 //
 // Parameters for Registration.
 //