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diff --git a/misc/builddeps/dp.linux64/include/d0_blind_id/d0_rijndael.h b/misc/builddeps/dp.linux64/include/d0_blind_id/d0_rijndael.h
new file mode 100644
index 00000000..e1c8f71b
--- /dev/null
+++ b/misc/builddeps/dp.linux64/include/d0_blind_id/d0_rijndael.h
@@ -0,0 +1,21 @@
+// from http://www.efgh.com/software/rijndael.htm (public domain)
+
+#ifndef H__RIJNDAEL
+#define H__RIJNDAEL
+
+#include "d0.h"
+
+D0_EXPORT int d0_rijndael_setup_encrypt(unsigned long *rk, const unsigned char *key,
+  int keybits);
+D0_EXPORT int d0_rijndael_setup_decrypt(unsigned long *rk, const unsigned char *key,
+  int keybits);
+D0_EXPORT void d0_rijndael_encrypt(const unsigned long *rk, int nrounds,
+  const unsigned char plaintext[16], unsigned char ciphertext[16]);
+D0_EXPORT void d0_rijndael_decrypt(const unsigned long *rk, int nrounds,
+  const unsigned char ciphertext[16], unsigned char plaintext[16]);
+
+#define D0_RIJNDAEL_KEYLENGTH(keybits) ((keybits)/8)
+#define D0_RIJNDAEL_RKLENGTH(keybits)  ((keybits)/8+28)
+#define D0_RIJNDAEL_NROUNDS(keybits)   ((keybits)/32+6)
+
+#endif