Updated usrsctp to fix various issues for windows (using changes pushed upstream) and unified SHA1 …

third_party/usrsctp/overrides/usrsctplib/netinet/sctp_sha1.h

 /*-
  * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
  * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * a) Redistributions of source code must retain the above copyright notice,
  *   this list of conditions and the following disclaimer.
@@ skipping 22 matching lines @@
 #ifdef __FreeBSD__
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 #endif
 
 
 #ifndef __SCTP_SHA1_h__
 #define __SCTP_SHA1_h__
 
 #include <sys/types.h>
-#ifdef SCTP_USE_NSS_SHA1
+
+#if !defined(SSL_USE_OPENSSL) && !defined(SSL_USE_NSS)
+#if defined(WIN32)
+
+#define SCTP_USE_SCTP_SHA1 1
+
+#else  // defined(WIN32)
+
+#if defined(HAVE_OPENSSL_SSL_H)
+#define SSL_USE_OPENSSL 1
+#elif defined(HAVE_NSS_SSL_H)
+#define SSL_USE_NSS 1
+#else
+#define SCTP_USE_SCTP_SHA1
+#endif
+
+#endif  // !defined(WIN32)
+#endif
+
+#if defined(SSL_USE_NSS)
 #include <netinet/sctp_nss_sha1.h>
-#elif SCTP_USE_OPENSSL_SHA1
+#elif defined(SSL_USE_OPENSSL)
 #include <netinet/sctp_openssl_sha1.h>
-#else  // USE_SCTP_SHA1
+#else  // SCTP_USE_SCTP_SHA1
 struct sha1_context {
         unsigned int A;
         unsigned int B;
         unsigned int C;
         unsigned int D;
         unsigned int E;
         unsigned int H0;
         unsigned int H1;
         unsigned int H2;
         unsigned int H3;
@@ skipping 34 matching lines @@
 #endif
 #endif
 
 #if defined(_KERNEL) || defined(__Userspace__)
 
 void SHA1_Init(struct sha1_context *);
 void SHA1_Update(struct sha1_context *, const unsigned char *, int);
 void SHA1_Final(unsigned char *, struct sha1_context *);
 
 #endif                          /* _KERNEL */
-#endif
-#endif
+#endif        /* !defined(SSL_USE_OPENSSL) && !defined(SSL_USE_NSS) */
+#endif        /* __SCTP_SHA1_h__ */