From 07bd29a80ed36c63296214af34689d0cce14751f Mon Sep 17 00:00:00 2001
From: Joey Hess <joeyh@joeyh.name>
Date: Sun, 7 Aug 2016 18:49:15 -0400
Subject: reorg, and working on serialization

---
 Tunables.hs | 50 --------------------------------------------------
 1 file changed, 50 deletions(-)
 delete mode 100644 Tunables.hs

(limited to 'Tunables.hs')

diff --git a/Tunables.hs b/Tunables.hs
deleted file mode 100644
index 1806703..0000000
--- a/Tunables.hs
+++ /dev/null
@@ -1,50 +0,0 @@
-module Tunables where
-
-import Types
-import Shard
-import Cost
-import qualified Crypto.Argon2 as Argon2
-
-data Tunables = Tunables
-	{ objectSize :: Int
-	, shardParams :: shardParams
-	-- ^ size of objects stored in keysafe, in bytes
-	, argonOptions :: Argon2.HashOptions
-	, argonCost :: Cost CreationOp
-	-- ^ should correspond to the argonOptions
-	, decryptionPuzzleCost :: Cost DecryptionOp
-	-- ^ cost of decryption puzzle
-	}
-
-defaultTunables :: Tunables
-defaultTunables = Tunables
-	{ shardParams = ShardParams { totalObjects = 3, neededObjects = 2 }
-	, objectSize = 1024*64 -- 64 kb
-	, argonOptions = Argon2.HashOptions
-		{ Argon2.hashIterations = 10000
-		, Argon2.hashMemory = 131072 -- 128 mebibtyes per thread
-		, Argon2.hashParallelism = 4 -- 4 threads
-		, Argon2.hashVariant = Argon2.Argon2i
-		}
-	-- argon2 is GPU and ASIC resistent, so it uses CPU time.
-	-- The above HashOptions were benchmarked at 661 seconds CPU time
-	-- on a 2 core Intel(R) Core(TM) i5-4210Y CPU @ 1.50GHz.
-	-- Since cost is measured per core, we double that.
-	, argonCost = CPUCost (Seconds (2*600))
-	-- AES can be calculated more efficiently by a GPU, so this
-	-- cost is a GPU cost.
-	-- This is set to only 1 minute because GPUs are quite a lot
-	-- faster than CPUs at AES, and so setting it higher would make
-	-- clients too slow at key recovery.
-	, decryptionPuzzleCost = GPUCost (Seconds 60)
-	}
-
--- | Dials back cryptographic difficulty, not for production use.
-testModeTunables :: Tunables
-testModeTunables = Tunables
-	{ shardParams = shardParams { totalObjects = 3, neededObjects = 2 }
-	, objectSize = 1024*64
-	, argonOptions = Argon2.defaultHashOptions
-	, argonCost = CPUCost (Seconds (2*600))
-	, decryptionPuzzleCost = GPUCost (Seconds 60)
-	}
-- 
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