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use argon for hashing #2

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Merged
danielkosgei merged 1 commit into from
Dec 11, 2025
Merged

use argon for hashing #2

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6 changes: 5 additions & 1 deletion go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,13 @@ module github.com/danielkosgei/detergen

go 1.25.4

require github.com/spf13/cobra v1.10.2
require (
github.com/spf13/cobra v1.10.2
golang.org/x/crypto v0.46.0
)

require (
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/spf13/pflag v1.0.9 // indirect
golang.org/x/sys v0.39.0 // indirect
)
4 changes: 4 additions & 0 deletions go.sum
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Expand Up @@ -7,4 +7,8 @@ github.com/spf13/cobra v1.10.2/go.mod h1:7C1pvHqHw5A4vrJfjNwvOdzYu0Gml16OCs2GRiT
github.com/spf13/pflag v1.0.9 h1:9exaQaMOCwffKiiiYk6/BndUBv+iRViNW+4lEMi0PvY=
github.com/spf13/pflag v1.0.9/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
8 changes: 5 additions & 3 deletions internal/generator/generator.go
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@@ -1,8 +1,9 @@
package generator

import (
"crypto/sha256"
"encoding/hex"

"golang.org/x/crypto/argon2"
)

// create a deterministic 8-character password with optional salt
Expand All @@ -12,8 +13,9 @@ func Generate(baseWord string, salt string, length int) string {
input = baseWord + salt
}

hash := sha256.Sum256([]byte(input))
hashString := hex.EncodeToString(hash[:])
// use Argon2id, parameters: time=3, memory=256mb, threads=4
hash := argon2.IDKey([]byte(input), []byte("detergen-v1"), 3, 256*1024, 4, 32)
hashString := hex.EncodeToString(hash)

uppercase := "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
lowercase := "abcdefghijklmnopqrstuvwxyz"
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