crypto: implement md5, which now used by sprof

2021-10-25 23:15:50 -07:00
parent 9cc6be4d57
commit a14dc6ed89
9 changed files with 431 additions and 5 deletions
--- a/libraries/libvapours/include/vapours/crypto/crypto_md5_generator.hpp
+++ b/libraries/libvapours/include/vapours/crypto/crypto_md5_generator.hpp
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 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 <vapours/common.hpp>
+#include <vapours/assert.hpp>
+#include <vapours/util.hpp>
+#include <vapours/crypto/impl/crypto_md5_impl.hpp>
+
+namespace ams::crypto {
+
+    class Md5Generator {
+        NON_COPYABLE(Md5Generator);
+        NON_MOVEABLE(Md5Generator);
+        private:
+            using Impl = impl::Md5Impl;
+        public:
+            static constexpr size_t HashSize  = Impl::HashSize;
+            static constexpr size_t BlockSize = Impl::BlockSize;
+
+            static constexpr inline const u8 Asn1Identifier[] = {
+                0x30, 0x20, /* Sequence, size 0x20 */
+                    0x30, 0x0C, /* Sequence, size 0x0C */
+                        0x06, 0x08, /* Object Identifier */
+                            0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, /* MD5 */
+                        0x05, 0x00, /* Null */
+                    0x04, 0x10, /* Octet string, size 0x10 */
+            };
+            static constexpr size_t Asn1IdentifierSize = util::size(Asn1Identifier);
+        private:
+            Impl m_impl;
+        public:
+            Md5Generator() { /* ... */ }
+
+            void Initialize() {
+                m_impl.Initialize();
+            }
+
+            void Update(const void *data, size_t size) {
+                m_impl.Update(data, size);
+            }
+
+            void GetHash(void *dst, size_t size) {
+                m_impl.GetHash(dst, size);
+            }
+    };
+
+    void GenerateMd5Hash(void *dst, size_t dst_size, const void *src, size_t src_size);
+
+}