git subrepo clone https://github.com/Atmosphere-NX/libstratosphere stratosphere/libstratosphere

subrepo:
  subdir:   "stratosphere/libstratosphere"
  merged:   "0c5dab80"
upstream:
  origin:   "https://github.com/Atmosphere-NX/libstratosphere"
  branch:   "master"
  commit:   "0c5dab80"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"

stratosphere/libstratosphere/include/stratosphere/spl/smc/spl_smc.hpp

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2018-2019 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <switch.h>
+
+#include "../spl_types.hpp"
+
+namespace sts::spl::smc {
+
+    /* Helpers for converting arguments. */
+    inline u32 GetCryptAesMode(CipherMode mode, u32 keyslot) {
+        return static_cast<u32>((static_cast<u32>(mode) << 4) | (keyslot & 7));
+    }
+
+    inline u32 GetUnwrapEsKeyOption(EsKeyType type, u32 generation) {
+        return static_cast<u32>((static_cast<u32>(type) << 6) | (generation & 0x3F));
+    }
+
+    /* Functions. */
+    Result SetConfig(SplConfigItem which, const u64 *value, size_t num_qwords);
+    Result GetConfig(u64 *out, size_t num_qwords, SplConfigItem which);
+    Result CheckStatus(Result *out, AsyncOperationKey op);
+    Result GetResult(Result *out, void *out_buf, size_t out_buf_size, AsyncOperationKey op);
+    Result ExpMod(AsyncOperationKey *out_op, const void *base, const void *exp, size_t exp_size, const void *mod);
+    Result GenerateRandomBytes(void *out, size_t size);
+    Result GenerateAesKek(AccessKey *out, const KeySource &source, u32 generation, u32 option);
+    Result LoadAesKey(u32 keyslot, const AccessKey &access_key, const KeySource &source);
+    Result CryptAes(AsyncOperationKey *out_op, u32 mode, const IvCtr &iv_ctr, u32 dst_addr, u32 src_addr, size_t size);
+    Result GenerateSpecificAesKey(AesKey *out_key, const KeySource &source, u32 generation, u32 which);
+    Result ComputeCmac(Cmac *out_mac, u32 keyslot, const void *data, size_t size);
+    Result ReEncryptRsaPrivateKey(void *data, size_t size, const AccessKey &access_key_dec, const KeySource &source_dec, const AccessKey &access_key_enc, const KeySource &source_enc, u32 option);
+    Result DecryptOrImportRsaPrivateKey(void *data, size_t size, const AccessKey &access_key, const KeySource &source, DecryptOrImportMode mode);
+    Result SecureExpMod(AsyncOperationKey *out_op, const void *base, const void *mod, SecureExpModMode mode);
+    Result UnwrapTitleKey(AsyncOperationKey *out_op, const void *base, const void *mod, const void *label_digest, size_t label_digest_size, u32 option);
+    Result LoadTitleKey(u32 keyslot, const AccessKey &access_key);
+    Result UnwrapCommonTitleKey(AccessKey *out, const KeySource &source, u32 generation);
+
+    /* Deprecated functions. */
+    Result ImportEsKey(const void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option);
+    Result DecryptRsaPrivateKey(size_t *out_size, void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option);
+    Result ImportSecureExpModKey(const void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option);
+
+}