Added an additional link to NIST information on secure hashing.
This closes SF bug #458785.
diff --git a/Doc/lib/libsha.tex b/Doc/lib/libsha.tex
index 2c732d9..ca1aac4 100644
--- a/Doc/lib/libsha.tex
+++ b/Doc/lib/libsha.tex
@@ -75,4 +75,8 @@
available online as plain text (at least one diagram was
omitted) and as PDF at
\url{http://csrc.nist.gov/publications/fips/fips180-1/fip180-1.pdf}.}
+
+ \seetitle[http://csrc.nist.gov/encryption/tkhash.html]
+ {Cryptographic Toolkit (Secure Hashing)}
+ {Links from NIST to various information on secure hashing.}
\end{seealso}