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

third_party/usrsctp/overrides/usrsctplib/netinet/sctp_nss_sha1.c

 /*-
  * 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 20 matching lines @@
  */
 
 #ifdef __FreeBSD__
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 #endif
 
 #ifdef SCTP_USE_NSS_SHA1
 #include <netinet/sctp_nss_sha1.h>
 
+/* A SHA-1 Digest is 160 bits, or 20 bytes */
+#define SHA_DIGEST_LENGTH (20)
+
 void
 SCTP_NSS_SHA1_Init(struct sha1_context *ctx)
 {
         ctx->pk11_ctx = PK11_CreateDigestContext(SEC_OID_SHA1);
         PK11_DigestBegin(ctx->pk11_ctx);
 }
 
 void
 SCTP_NSS_SHA1_Update(struct sha1_context *ctx, const unsigned char *ptr, int siz)
 {
         PK11_DigestOp(ctx->pk11_ctx, ptr, siz);
 }
 
 void
 SCTP_NSS_SHA1_Final(unsigned char *digest, struct sha1_context *ctx)
 {
         unsigned int output_len = 0;
-        PK11_DigestFinal(ctx->pk11_ctx, digest, &output_len, sizeof(digest));
+        PK11_DigestFinal(ctx->pk11_ctx, digest, &output_len, SHA_DIGEST_LENGTH);
         PK11_DestroyContext(ctx->pk11_ctx, PR_TRUE);
 }
 #endif