--- /dev/null
+/* rsa-compat.h
+ *
+ * The RSA publickey algorithm, RSAREF compatible interface.
+ */
+
+/* nettle, low-level cryptographics library
+ *
+ * Copyright (C) 2001 Niels Möller
+ *
+ * The nettle library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at your
+ * option) any later version.
+ *
+ * The nettle library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the nettle library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#ifndef NETTLE_RSA_COMPAT_H_INCLUDED
+#define NETTLE_RSA_COMPAT_H_INCLUDED
+
+ R_SignInit, computes a digital signature on data of
+ R_SignUpdate, arbitrary length, processing in parts
+ and R_SignFinal
+
+ R_VerifyInit, verifies a digital signature, processing in
+ R_VerifyUpdate, parts
+ and R_VerifyFinal
+
+#endif /* NETTLE_RSA_COMPAT_H_INCLUDED */
+
--- /dev/null
+/* rsa.h
+ *
+ * The RSA publickey algorithm.
+ */
+
+/* nettle, low-level cryptographics library
+ *
+ * Copyright (C) 2001 Niels Möller
+ *
+ * The nettle library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at your
+ * option) any later version.
+ *
+ * The nettle library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the nettle library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#ifndef NETTLE_RSA_H_INCLUDED
+#define NETTLE_RSA_H_INCLUDED
+
+#include <inttypes.h>
+
+#include <gmp.h>
+
+struct rsa_public_key
+{
+ mpz_t n;
+ mpz_t e;
+};
+
+struct rsa_private_key
+{
+
+};
+
+
+#endif NETTLE_RSA_H_INCLUDED
--- /dev/null
+/* yarrow.h
+ *
+ * The yarrow pseudo-randomness generator.
+ */
+
+/* nettle, low-level cryptographics library
+ *
+ * Copyright (C) 2001 Niels Möller
+ *
+ * The nettle library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at your
+ * option) any later version.
+ *
+ * The nettle library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the nettle library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#ifndef NETTLE_YARROW_COMPAT_H_INCLUDED
+#define NETTLE_YARROW_COMPAT_H_INCLUDED
+
+struct yarrow160_ctx
+{
+};
+
+void
+yarrow160_init(struct *yarrow160_ctx);
+
+void
+yarrow160_update(struct *yarrow160_ctx, unsigned length, const uint8_t *data);
+
+void
+yarrow160_random(struct *yarrow160_ctx, unsigned length, uint8_t dst);
+
+unsigned
+yarrow160_needed(struct *yarrow160_ctx);
+
+#endif /* NETTLE_YARROW_COMPAT_H_INCLUDED */