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author | Joey Hess <joeyh@joeyh.name> | 2017-01-14 19:32:37 +1100 |
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committer | Joey Hess <joeyh@joeyh.name> | 2017-01-14 19:32:37 +1100 |
commit | b76c1bd252721547e6365f96d87fe496eab673e1 (patch) | |
tree | cbf7c65395fd95c5d5bdfee20058822d5f95e110 | |
parent | d5f31fa7f48c9b3827ccd7f7b7224461cb9e1094 (diff) | |
download | keysafe-b76c1bd252721547e6365f96d87fe496eab673e1.tar.gz |
Clarify that dollars in cost estimates are USD.
This commit was sponsored by Ignacio on Patreon.
-rw-r--r-- | CHANGELOG | 1 | ||||
-rw-r--r-- | Cost.hs | 6 | ||||
-rw-r--r-- | keysafe.1 | 4 |
3 files changed, 7 insertions, 4 deletions
@@ -4,6 +4,7 @@ keysafe (0.20161108) UNRELEASED; urgency=medium However, the stack.yaml is still using an old LTS version to avoid polynomial's failure to build with ghc 8.0 (https://github.com/mokus0/polynomial/issues/8) + * Clarify that dollars in cost estimates are USD. -- Joey Hess <id@joeyh.name> Tue, 29 Nov 2016 22:27:01 -0400 @@ -92,6 +92,7 @@ estimateAttackCost dc opcost = centsToDollars $ costcents newtype Cents = Cents Integer deriving (Num, Integral, Enum, Real, Ord, Eq, Show) +-- | USD newtype Dollars = Dollars Integer deriving (Num, Integral, Enum, Real, Ord, Eq) @@ -103,12 +104,13 @@ instance Show Dollars where , (1000, "thousand") ] where - go [] = "$" ++ show n + go [] = fmt (show n) go ((d, u):us) | n >= d = let n' = n `div` d - in "$" ++ show n' ++ " " ++ u + in fmt (show n' ++ " " ++ u) | otherwise = go us + fmt d = "$" ++ d ++ " (USD)" centsToDollars :: Cents -> Dollars centsToDollars (Cents c) = Dollars (c `div` 100) @@ -28,8 +28,8 @@ the secret key with the password in a way that takes a lot of computation to decrypt. This makes it hard for an attacker to crack your password, because each guess they make costs them. .PP -Keysafe is designed so that it should take millions of dollars of computer -time to crack any fairly good password. With a truly good +Keysafe is designed so that it should take millions of dollars (US) +of computer time to crack any fairly good password. With a truly good password, such as four random words, the cracking cost should be many trillions of dollars. Keysafe checks your password strength (using the zxcvbn library), and shows an estimate of the cost to crack your password, |