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cmd/utils, crypto: add --lightkdf flag for lighter KDF

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This commit is contained in:
Drake Burroughs
2015-10-23 16:49:36 +02:00
parent 6b5a42a15c
commit 05ea8926c3
7 changed files with 41 additions and 22 deletions
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12
cmd/utils/flags.go
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@ -157,6 +157,10 @@ var (
Name: "fast",
Usage: "Enables fast syncing through state downloads",
}
LightKDFFlag = cli.BoolFlag{
Name: "lightkdf",
Usage: "Reduce KDF memory & CPU usage at some expense of KDF strength",
}
// miner settings
// TODO: refactor CPU vs GPU mining flags
@ -579,7 +583,13 @@ func MakeAccountManager(ctx *cli.Context) *accounts.Manager {
if ctx.GlobalBool(TestNetFlag.Name) {
dataDir += "/testnet"
}
ks := crypto.NewKeyStorePassphrase(filepath.Join(dataDir, "keystore"))
scryptN := crypto.StandardScryptN
scryptP := crypto.StandardScryptP
if ctx.GlobalBool(LightKDFFlag.Name) {
scryptN = crypto.LightScryptN
scryptP = crypto.LightScryptP
}
ks := crypto.NewKeyStorePassphrase(filepath.Join(dataDir, "keystore"), scryptN, scryptP)
return accounts.NewManager(ks)
}