Init: Migrate SimpleRemoter (Since v1.3.1) to Gitea

common/md5.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <wincrypt.h>
+
+inline std::string CalcMD5FromBytes(const BYTE* data, DWORD length)
+{
+    HCRYPTPROV hProv = 0;
+    HCRYPTHASH hHash = 0;
+    BYTE hash[16]; // MD5 输出长度是 16 字节
+    DWORD hashLen = sizeof(hash);
+    std::ostringstream oss;
+
+    if (!CryptAcquireContext(&hProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
+        return "";
+    }
+
+    if (!CryptCreateHash(hProv, CALG_MD5, 0, 0, &hHash)) {
+        CryptReleaseContext(hProv, 0);
+        return "";
+    }
+
+    if (!CryptHashData(hHash, data, length, 0)) {
+        CryptDestroyHash(hHash);
+        CryptReleaseContext(hProv, 0);
+        return "";
+    }
+
+    if (!CryptGetHashParam(hHash, HP_HASHVAL, hash, &hashLen, 0)) {
+        CryptDestroyHash(hHash);
+        CryptReleaseContext(hProv, 0);
+        return "";
+    }
+
+    // 转换为十六进制字符串
+    for (DWORD i = 0; i < hashLen; ++i) {
+        oss << std::hex << std::setw(2) << std::setfill('0') << (int)hash[i];
+    }
+
+    CryptDestroyHash(hHash);
+    CryptReleaseContext(hProv, 0);
+
+    return oss.str();
+}