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Allow the password hash to be returned when creating a volume

libgocryptfs
Hardcore Sushi 4 months ago
parent
commit
89966b1aae
Signed by: hardcoresushi
GPG Key ID: AFE384344A45E13A
  1. 8
      go.mod
  2. 23
      go.sum
  3. 8
      internal/configfile/config_file.go
  4. 4
      volume.go

8
go.mod

@ -4,7 +4,11 @@ go 1.16
require (
github.com/jacobsa/crypto v0.0.0-20190317225127-9f44e2d11115
github.com/jacobsa/oglematchers v0.0.0-20150720000706-141901ea67cd // indirect
github.com/jacobsa/oglemock v0.0.0-20150831005832-e94d794d06ff // indirect
github.com/jacobsa/ogletest v0.0.0-20170503003838-80d50a735a11 // indirect
github.com/jacobsa/reqtrace v0.0.0-20150505043853-245c9e0234cb // indirect
github.com/rfjakob/eme v1.1.2
golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3
golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e
golang.org/x/crypto v0.0.0-20220214200702-86341886e292
golang.org/x/sys v0.0.0-20220227234510-4e6760a101f9
)

23
go.sum

@ -1,21 +1,24 @@
github.com/jacobsa/crypto v0.0.0-20190317225127-9f44e2d11115 h1:YuDUUFNM21CAbyPOpOP8BicaTD/0klJEKt5p8yuw+uY=
github.com/jacobsa/crypto v0.0.0-20190317225127-9f44e2d11115/go.mod h1:LadVJg0XuawGk+8L1rYnIED8451UyNxEMdTWCEt5kmU=
github.com/jacobsa/oglematchers v0.0.0-20150720000706-141901ea67cd h1:9GCSedGjMcLZCrusBZuo4tyKLpKUPenUUqi34AkuFmA=
github.com/jacobsa/oglematchers v0.0.0-20150720000706-141901ea67cd/go.mod h1:TlmyIZDpGmwRoTWiakdr+HA1Tukze6C6XbRVidYq02M=
github.com/jacobsa/oglemock v0.0.0-20150831005832-e94d794d06ff h1:2xRHTvkpJ5zJmglXLRqHiZQNjUoOkhUyhTAhEQvPAWw=
github.com/jacobsa/oglemock v0.0.0-20150831005832-e94d794d06ff/go.mod h1:gJWba/XXGl0UoOmBQKRWCJdHrr3nE0T65t6ioaj3mLI=
github.com/jacobsa/ogletest v0.0.0-20170503003838-80d50a735a11 h1:BMb8s3ENQLt5ulwVIHVDWFHp8eIXmbfSExkvdn9qMXI=
github.com/jacobsa/ogletest v0.0.0-20170503003838-80d50a735a11/go.mod h1:+DBdDyfoO2McrOyDemRBq0q9CMEByef7sYl7JH5Q3BI=
github.com/jacobsa/reqtrace v0.0.0-20150505043853-245c9e0234cb h1:uSWBjJdMf47kQlXMwWEfmc864bA1wAC+Kl3ApryuG9Y=
github.com/jacobsa/reqtrace v0.0.0-20150505043853-245c9e0234cb/go.mod h1:ivcmUvxXWjb27NsPEaiYK7AidlZXS7oQ5PowUS9z3I4=
github.com/rfjakob/eme v1.1.2 h1:SxziR8msSOElPayZNFfQw4Tjx/Sbaeeh3eRvrHVMUs4=
github.com/rfjakob/eme v1.1.2/go.mod h1:cVvpasglm/G3ngEfcfT/Wt0GwhkuO32pf/poW6Nyk1k=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 h1:7I4JAnoQBe7ZtJcBaYHi5UtiO8tQHbUSXxL+pnGRANg=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3 h1:0es+/5331RGQPcXlMfP+WrnIIS6dNnNRe0WB02W0F4M=
golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/crypto v0.0.0-20220214200702-86341886e292 h1:f+lwQ+GtmgoY+A2YaQxlSOnDjXcQ7ZRLWOHbC6HtRqE=
golang.org/x/crypto v0.0.0-20220214200702-86341886e292/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 h1:CIJ76btIcR3eFI5EgSo6k1qKw9KJexJuRLI9G7Hp5wE=
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/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211023085530-d6a326fbbf70 h1:SeSEfdIxyvwGJliREIJhRPPXvW6sDlLT+UQ3B0hD0NA=
golang.org/x/sys v0.0.0-20211023085530-d6a326fbbf70/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e h1:fLOSk5Q00efkSvAm+4xcoXD+RRmLmmulPn5I3Y9F2EM=
golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220227234510-4e6760a101f9 h1:nhht2DYV/Sn3qOayu8lM+cU1ii9sTLUeBQwQQfUHtrs=
golang.org/x/sys v0.0.0-20220227234510-4e6760a101f9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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=

8
internal/configfile/config_file.go

@ -73,7 +73,7 @@ type CreateArgs struct {
// Create - create a new config with a random key encrypted with
// "Password" and write it to "Filename".
// Uses scrypt with cost parameter "LogN".
func Create(args *CreateArgs) error {
func Create(args *CreateArgs, returnedScryptHashBuff []byte) error {
cf := ConfFile{
filename: args.Filename,
Creator: args.Creator,
@ -117,10 +117,14 @@ func Create(args *CreateArgs) error {
// Encrypt it using the password
// This sets ScryptObject and EncryptedKey
// Note: this looks at the FeatureFlags, so call it AFTER setting them.
cf.EncryptKey(key, args.Password, args.LogN, false)
scryptHash := cf.EncryptKey(key, args.Password, args.LogN, len(returnedScryptHashBuff) > 0)
for i := range key {
key[i] = 0
}
for i := range scryptHash {
returnedScryptHashBuff[i] = scryptHash[i]
scryptHash[i] = 0
}
// key runs out of scope here
}
// Write file to disk

4
volume.go

@ -162,7 +162,7 @@ func gcf_change_password(rootCipherDir string, oldPassword, givenScryptHash, new
}
//export gcf_create_volume
func gcf_create_volume(rootCipherDir string, password []byte, plaintextNames bool, xchacha int8, logN int, creator string) bool {
func gcf_create_volume(rootCipherDir string, password []byte, plaintextNames bool, xchacha int8, logN int, creator string, returnedScryptHashBuff []byte) bool {
var useXChaCha bool
switch xchacha {
case 1:
@ -181,7 +181,7 @@ func gcf_create_volume(rootCipherDir string, password []byte, plaintextNames boo
AESSIV: false,
DeterministicNames: false,
XChaCha20Poly1305: useXChaCha,
})
}, returnedScryptHashBuff)
if err == nil {
if plaintextNames {
return true

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