1 files changed, 0 insertions, 54 deletions
diff --git a/cryptfs/kdf.go b/cryptfs/kdf.go
deleted file mode 100644
index e958413..0000000
--- a/cryptfs/kdf.go
+++ /dev/null
@@ -1,54 +0,0 @@
-package cryptfs
-
-import (
-	"fmt"
-	"golang.org/x/crypto/scrypt"
-	"math"
-	"os"
-)
-
-const (
-	// 1 << 16 uses 64MB of memory,
-	// takes 4 seconds on my Atom Z3735F netbook
-	SCRYPT_DEFAULT_LOGN = 16
-)
-
-type scryptKdf struct {
-	Salt   []byte
-	N      int
-	R      int
-	P      int
-	KeyLen int
-}
-
-func NewScryptKdf(logN int) scryptKdf {
-	var s scryptKdf
-	s.Salt = RandBytes(KEY_LEN)
-	if logN <= 0 {
-		s.N = 1 << SCRYPT_DEFAULT_LOGN
-	} else {
-		if logN < 10 {
-			fmt.Println("Error: scryptn below 10 is too low to make sense. Aborting.")
-			os.Exit(1)
-		}
-		s.N = 1 << uint32(logN)
-	}
-	s.R = 8 // Always 8
-	s.P = 1 // Always 1
-	s.KeyLen = KEY_LEN
-	return s
-}
-
-func (s *scryptKdf) DeriveKey(pw string) []byte {
-	k, err := scrypt.Key([]byte(pw), s.Salt, s.N, s.R, s.P, s.KeyLen)
-	if err != nil {
-		panic(fmt.Sprintf("DeriveKey failed: %s", err.Error()))
-	}
-	return k
-}
-
-// LogN - N is saved as 2^LogN, but LogN is much easier to work with.
-// This function gives you LogN = Log2(N).
-func (s *scryptKdf) LogN() int {
-	return int(math.Log2(float64(s.N)) + 0.5)
-}