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20 Commits

Author SHA1 Message Date
Joris van Rantwijk c6c3ef396a Add C++ implementation of Trivium. 2016-11-23 23:38:51 +01:00
Joris van Rantwijk a6721cae33 Trivium: Rename in_key, in_iv -> newkey, newiv. 2016-11-21 22:14:51 +01:00
Joris van Rantwijk 688bda983d Trivium: Fix mistake in initialization. 
* Only 1152 *bits* must be discarded after seeding, not 1152 output words.
 * Add URL of Trivium specification.
 2016-11-20 22:23:32 +01:00
Joris van Rantwijk e39568c6f4 Set initial values for signals. 
* Initialize signals to same values as
  assigned during synchronous reset.
 2016-11-20 21:19:23 +01:00
Joris van Rantwijk 3ddce8a100 Add Trivium RNG (to be tested). 2016-11-20 21:19:23 +01:00
Joris van Rantwijk 654a70d8a0 Create LICENSE.txt 2016-11-13 08:49:06 +01:00
Joris van Rantwijk 46046beac2 Add README.txt. 2016-11-13 08:41:35 +01:00
Joris van Rantwijk 8cf9ca1673 Rename entities of top-level synthesis wrappers. 
Two entities named 'top' causes problems for the synthesizer.
 2016-11-12 23:01:49 +01:00
Joris van Rantwijk 500d8e8b2a Minor code cleanup for MT19937 and improve testbench. 
* Optimized seeding strategy now synthesizes for Spartan 6 at 300 MHz.
 2016-11-12 22:40:59 +01:00
Joris van Rantwijk 46409ff163 Another possible improvement of MT19937 timing. 2016-11-12 21:42:50 +01:00
Joris van Rantwijk ddafd29936 Possible improvement of MT19937 timing. 2016-10-30 16:50:00 +01:00
Joris van Rantwijk 369da67b11 Try some ideas to optimize MT19937. 2016-10-30 16:18:57 +01:00
Joris van Rantwijk 6aac5c6356 Add top-level wrapper designs for synthesis testing. 2016-10-24 00:00:57 +02:00
Joris van Rantwijk c2142a0c09 Refactor MT19937 RNG: 
* Change port interface towards valid/ready stream concept.
 * Build 3-stage pipeline into initialization to hopefully improve timing.
 * TODO : carefully test if initialization is correct in all scenarios
 * TODO : synthesis run to see if timing is now reasonable
 2016-10-21 22:39:51 +02:00
Joris van Rantwijk 404c307f62 Test bench for Xoroshiro128plus: 
* Update tb_xoroshiro128plus for new interface.
 * Add Makefile for testbenches with GHDL.
 2016-10-21 13:54:42 +02:00
Joris van Rantwijk b498a1e543 Rename entity xoroshiro128 and change interface. 
* Rename to rng_xoroshiro128plus
 * Change interface to valid/ready-based stream (not tested).
 2016-10-21 13:12:02 +02:00
Joris van Rantwijk 8642b7291e Add LGPL license statement to Xoroshiro RTL. 2016-10-21 12:44:24 +02:00
Joris van Rantwijk c2dcd6d9ca Add Makefile for software reference code. 2016-10-21 12:01:30 +02:00
Joris van Rantwijk f18f76d42e Copyright/license on C/C++ code. 2016-10-21 11:52:46 +02:00
Joris van Rantwijk 5303c34431 Initial commit: 
* Xoroshiro128+ (works, tested)
 * MT19337 (work in progress)
 * Test benches
 * Reference C code.
 2016-10-21 11:31:26 +02:00