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diff --git a/openbsd-compat/blf.h b/openbsd-compat/blf.h
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+/* $OpenBSD: blf.h,v 1.7 2007/03/14 17:59:41 grunk Exp $ */
+/*
+ * Blowfish - a fast block cipher designed by Bruce Schneier
+ *
+ * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Niels Provos.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _BLF_H_
+#define _BLF_H_
+
+#include "includes.h"
+
+#if !defined(HAVE_BCRYPT_PBKDF) && !defined(HAVE_BLH_H)
+
+/* Schneier specifies a maximum key length of 56 bytes.
+ * This ensures that every key bit affects every cipher
+ * bit.  However, the subkeys can hold up to 72 bytes.
+ * Warning: For normal blowfish encryption only 56 bytes
+ * of the key affect all cipherbits.
+ */
+
+#define BLF_N   16                      /* Number of Subkeys */
+#define BLF_MAXKEYLEN ((BLF_N-2)*4)     /* 448 bits */
+#define BLF_MAXUTILIZED ((BLF_N+2)*4)   /* 576 bits */
+
+/* Blowfish context */
+typedef struct BlowfishContext {
+        u_int32_t S[4][256];    /* S-Boxes */
+        u_int32_t P[BLF_N + 2]; /* Subkeys */
+} blf_ctx;
+
+/* Raw access to customized Blowfish
+ *      blf_key is just:
+ *      Blowfish_initstate( state )
+ *      Blowfish_expand0state( state, key, keylen )
+ */
+
+void Blowfish_encipher(blf_ctx *, u_int32_t *, u_int32_t *);
+void Blowfish_decipher(blf_ctx *, u_int32_t *, u_int32_t *);
+void Blowfish_initstate(blf_ctx *);
+void Blowfish_expand0state(blf_ctx *, const u_int8_t *, u_int16_t);
+void Blowfish_expandstate
+(blf_ctx *, const u_int8_t *, u_int16_t, const u_int8_t *, u_int16_t);
+
+/* Standard Blowfish */
+
+void blf_key(blf_ctx *, const u_int8_t *, u_int16_t);
+void blf_enc(blf_ctx *, u_int32_t *, u_int16_t);
+void blf_dec(blf_ctx *, u_int32_t *, u_int16_t);
+
+void blf_ecb_encrypt(blf_ctx *, u_int8_t *, u_int32_t);
+void blf_ecb_decrypt(blf_ctx *, u_int8_t *, u_int32_t);
+
+void blf_cbc_encrypt(blf_ctx *, u_int8_t *, u_int8_t *, u_int32_t);
+void blf_cbc_decrypt(blf_ctx *, u_int8_t *, u_int8_t *, u_int32_t);
+
+/* Converts u_int8_t to u_int32_t */
+u_int32_t Blowfish_stream2word(const u_int8_t *, u_int16_t , u_int16_t *);
+
+#endif /* !defined(HAVE_BCRYPT_PBKDF) && !defined(HAVE_BLH_H) */
+#endif /* _BLF_H */
+