configfile: rename "kdf.go" -> "scrypt.go"

This really only handles scrypt and no other key-derivation functions.
Renaming the files prevents confusion once we introduce HKDF.

renamed:    internal/configfile/kdf.go -> internal/configfile/scrypt.go
renamed:    internal/configfile/kdf_test.go -> internal/configfile/scrypt_test.go

1 files changed, 0 insertions, 60 deletions

diff --git a/internal/configfile/kdf_test.go b/internal/configfile/kdf_test.go
deleted file mode 100644
index c1a656a..0000000
--- a/internal/configfile/kdf_test.go
+++ /dev/null
@@ -1,60 +0,0 @@
-package configfile
-
-import (
-	"testing"
-)
-
-/*
-Results on a 2.7GHz Pentium G630:
-
-gocryptfs/cryptfs$ go test -bench=.
-PASS
-BenchmarkScrypt10-2	     300	   6021435 ns/op ... 6ms
-BenchmarkScrypt11-2	     100	  11861460 ns/op
-BenchmarkScrypt12-2	     100	  23420822 ns/op
-BenchmarkScrypt13-2	      30	  47666518 ns/op
-BenchmarkScrypt14-2	      20	  92561590 ns/op ... 92ms
-BenchmarkScrypt15-2	      10	 183971593 ns/op
-BenchmarkScrypt16-2	       3	 368506365 ns/op
-BenchmarkScrypt17-2	       2	 755502608 ns/op ... 755ms
-ok  	github.com/rfjakob/gocryptfs/cryptfs	18.772s
-*/
-
-func benchmarkScryptN(n int, b *testing.B) {
-	kdf := NewScryptKDF(n)
-	for i := 0; i < b.N; i++ {
-		kdf.DeriveKey("test")
-	}
-}
-
-func BenchmarkScrypt10(b *testing.B) {
-	benchmarkScryptN(10, b)
-}
-
-func BenchmarkScrypt11(b *testing.B) {
-	benchmarkScryptN(11, b)
-}
-
-func BenchmarkScrypt12(b *testing.B) {
-	benchmarkScryptN(12, b)
-}
-
-func BenchmarkScrypt13(b *testing.B) {
-	benchmarkScryptN(13, b)
-}
-
-func BenchmarkScrypt14(b *testing.B) {
-	benchmarkScryptN(14, b)
-}
-
-func BenchmarkScrypt15(b *testing.B) {
-	benchmarkScryptN(15, b)
-}
-
-func BenchmarkScrypt16(b *testing.B) {
-	benchmarkScryptN(16, b)
-}
-
-func BenchmarkScrypt17(b *testing.B) {
-	benchmarkScryptN(17, b)
-}