refactor: simplify code + set go version to 1.18 in go.mod

This commit is contained in:
Dawid Wysokiński 2022-05-17 06:12:16 +02:00
parent 6bc21a09f8
commit b9f1696b14
Signed by: Kichiyaki
GPG Key ID: 1ECC5DE481BE5184
3 changed files with 16 additions and 22 deletions

2
go.mod
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@ -1,6 +1,6 @@
module github.com/Kichiyaki/gootp
go 1.17
go 1.18
require (
github.com/stretchr/testify v1.7.1

13
go.sum
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@ -1,4 +1,3 @@
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/cpuguy83/go-md2man/v2 v2.0.1 h1:r/myEWzV9lfsM1tFLgDyu0atFtJ1fXn261LKYj/3DxU=
github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
@ -10,25 +9,15 @@ github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQD
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/urfave/cli/v2 v2.4.0 h1:m2pxjjDFgDxSPtO8WSdbndj17Wu2y8vOT86wE/tjr+I=
github.com/urfave/cli/v2 v2.4.0/go.mod h1:NX9W0zmTvedE5oDoOMs2RTC8RvdK98NTYZE5LbaEYPg=
github.com/urfave/cli/v2 v2.6.0 h1:yj2Drkflh8X/zUrkWlWlUjZYHyWN7WMmpVxyxXIUyv8=
github.com/urfave/cli/v2 v2.6.0/go.mod h1:oDzoM7pVwz6wHn5ogWgFUU1s4VJayeQS+aEZDqXIEJs=
golang.org/x/crypto v0.0.0-20220321153916-2c7772ba3064 h1:S25/rfnfsMVgORT4/J61MJ7rdyseOZOyvLIrZEZ7s6s=
golang.org/x/crypto v0.0.0-20220321153916-2c7772ba3064/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.0.0-20220511200225-c6db032c6c88 h1:Tgea0cVUD0ivh5ADBX4WwuI12DUd2to3nCYe2eayMIw=
golang.org/x/crypto v0.0.0-20220511200225-c6db032c6c88/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 h1:SrN+KX8Art/Sf4HNj6Zcz06G7VEz+7w9tdXTPOZ7+l4=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

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@ -26,22 +26,19 @@ func Encrypt(password, plaintext []byte) ([]byte, error) {
iv := make([]byte, ivLen)
salt := make([]byte, saltLen)
maxMinIterationsSubtracted, err := rand.Int(rand.Reader, big.NewInt(int64(maxIterations-minIterations)))
iterations, err := randIterations()
if err != nil {
return nil, fmt.Errorf("rand.Int: %w", err)
return nil, fmt.Errorf("randIterations: %w", err)
}
iterations := int(maxMinIterationsSubtracted.Int64() + minIterations)
binary.BigEndian.PutUint32(iter, uint32(iterations))
_, err = rand.Read(iv)
if err != nil {
return nil, fmt.Errorf("rand.Read: %w", err)
if _, err := rand.Read(iv); err != nil {
return nil, fmt.Errorf("rand.Read(iv): %w", err)
}
_, err = rand.Read(salt)
if err != nil {
return nil, fmt.Errorf("rand.Read: %w", err)
if _, err := rand.Read(salt); err != nil {
return nil, fmt.Errorf("rand.Read(salt): %w", err)
}
secretKey := pbkdf2.Key(password, salt, iterations, keyLen, sha1.New)
@ -65,7 +62,15 @@ func Encrypt(password, plaintext []byte) ([]byte, error) {
finalCipher = append(finalCipher, cipherText...)
return finalCipher, nil
}
func randIterations() (int, error) {
iterations, err := rand.Int(rand.Reader, big.NewInt(int64(maxIterations-minIterations)))
if err != nil {
return 0, fmt.Errorf("rand.Int: %w", err)
}
return int(iterations.Int64() + minIterations), nil
}
func Decrypt(password, text []byte) ([]byte, error) {