add libzmq

3rd/libzmq/external/sha1/sha1.h

@@ -0,0 +1,87 @@
+/*	contrib/pgcrypto/sha1.h */
+/*	   $KAME: sha1.h,v 1.4 2000/02/22 14:01:18 itojun Exp $    */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * 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. Neither the name of the project nor the names of its contributors
+ *	  may be used to endorse or promote products derived from this software
+ *	  without specific prior written permission.
+ *
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.	IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS 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.
+ */
+/*
+ * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * based on: http://www.itl.nist.gov/fipspubs/fip180-1.htm
+ * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
+ */
+
+#ifndef _NETINET6_SHA1_H_
+#define _NETINET6_SHA1_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdlib.h>
+#include "../../src/stdint.hpp"
+
+struct sha1_ctxt
+{
+	union
+	{
+		uint8_t	b8[20];
+		uint32_t b32[5];
+	} h;
+	union
+	{
+		uint8_t b8[8];
+		uint64_t b64[1];
+	} c;
+	union
+	{
+		uint8_t b8[64];
+		uint32_t b32[16];
+	} m;
+	uint8_t count;
+};
+
+void sha1_init(struct sha1_ctxt *);
+void sha1_pad(struct sha1_ctxt *);
+void sha1_loop(struct sha1_ctxt *, const uint8_t *, size_t);
+void sha1_result(struct sha1_ctxt *, uint8_t *);
+
+//  Compatibility with OpenSSL API
+#define SHA_DIGEST_LENGTH 20
+typedef struct sha1_ctxt SHA_CTX;
+
+#define SHA1_Init(x)            sha1_init((x))
+#define SHA1_Update(x, y, z)    sha1_loop((x), (y), (z))
+#define SHA1_Final(x, y)        sha1_result((y), (x))
+
+#define SHA1_RESULTLEN	(160/8)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif   /* _NETINET6_SHA1_H_ */