Update readme and add tiger PDF.

README.md

@@ -1,4 +1,42 @@
 # acryptohashnet
 Implementation of well-known cryptographic hash functions for .Net Framework.
 
-This code was written between 2006-2009 as an open source project. It was hosted originally on: https://sourceforge.net/projects/acryptohashnet/
+Originally project was developed between 2006-2009 as an open source project and hosted originally on: https://sourceforge.net/projects/acryptohashnet/
+
+# MD Family
+All functions designed and specified by  [Ron Rivest](https://en.wikipedia.org/wiki/Ron_Rivest).
+  * MD2, specification: [RFC 1319](docs/rfc1319.txt).
+  * MD4, specification: [RFC 1320](docs/rfc1320.txt). Designed by [Ron Rivest](https://en.wikipedia.org/wiki/Ron_Rivest).
+  * MD5, specification: [RFC 1321](docs/rfc1320.txt). Designed by [Ron Rivest](https://en.wikipedia.org/wiki/Ron_Rivest).
+
+# SHA Family
+Secure Hash Standard [[pdf]](docs/fips180-3_final.pdf)
+
+Published as standard by "National Institute of Standards and Technology".
+
+* SHA-0, 
+* SHA-1,
+* SHA-256,
+* SHA-384,
+* SHA-512
+
+# RIPEMD
+RIPEMD-160: A Strengthened Version of RIPEMD [[pdf]](docs/AB-9601.pdf)
+
+Designed by Hans Dobbertin, Antoon Bosselaers, [Bart Preneel](https://en.wikipedia.org/wiki/Bart_Preneel)
+
+# Haval
+HAVAL — A One-Way Hashing Algorithm with Variable Length of Output [[pdf]](docs/haval-paper.pdf)
+
+Designed by Yuliang Zheng, Josef Pieprzyk and Jennifer Seberry.
+
+# Snefru
+A Fast Software One-Way Hash Function [[pdf]](docs/Merkle1990_Article_AFastSoftwareOne-wayHashFuncti.pdf)
+
+Designed and specified by Ralph C. Merkle.
+
+# Tiger
+Tiger: A Fast New Hash Function [[ps]](docs/tiger.ps) [[pdf]](docs/tiger.pdf)
+
+Designed and specified by Ross Anderson and Eli Biham.
+