Revert accidental inclusion of unrelated code

goodkey/weak.go

@@ -1,59 +0,0 @@
-package goodkey
-
-import (
-	"crypto/sha1"
-	"encoding/hex"
-	"io/ioutil"
-	"path/filepath"
-	"strings"
-)
-
-type weakKeys struct {
-	suffixes map[[10]byte]struct{}
-}
-
-func loadSuffixes(dir string) (*weakKeys, error) {
-	files, err := ioutil.ReadDir(dir)
-	if err != nil {
-		return nil, err
-	}
-	wk := &weakKeys{suffixes: make(map[[10]byte]struct{})}
-	for _, fh := range files {
-		if fh.IsDir() {
-			continue
-		}
-		f, err := ioutil.ReadFile(filepath.Join(dir, fh.Name()))
-		if err != nil {
-			return nil, err
-		}
-		for _, l := range strings.Split(string(f), "\n") {
-			if strings.HasPrefix(l, "#") {
-				continue
-			}
-			err := wk.addSuffix(l)
-			if err != nil {
-				return nil, err
-			}
-		}
-	}
-	return wk, nil
-}
-
-func (wk *weakKeys) addSuffix(str string) error {
-	var suffix [10]byte
-	decoded, err := hex.DecodeString(str)
-	if err != nil {
-		return err
-	}
-	copy(suffix[:], decoded)
-	wk.suffixes[suffix] = struct{}{}
-	return nil
-}
-
-func (wk *weakKeys) Known(der []byte) bool {
-	hash := sha1.Sum(der)
-	var suffix [10]byte
-	copy(suffix[:], hash[10:])
-	_, present := wk.suffixes[suffix]
-	return present
-}

goodkey/weak_test.go

@@ -1,33 +0,0 @@
-package goodkey
-
-import (
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"testing"
-
-	"github.com/letsencrypt/boulder/test"
-)
-
-func TestKnown(t *testing.T) {
-	wk := &weakKeys{suffixes: make(map[[10]byte]struct{})}
-	err := wk.addSuffix("200352313bc059445190")
-	test.AssertNotError(t, err, "weakKeys.addSuffix failed")
-	test.Assert(t, wk.Known([]byte("asd")), "weakKeys.Known failed to find suffix that has been added")
-	test.Assert(t, !wk.Known([]byte("ASD")), "weakKeys.Known found a suffix that has not been added")
-}
-
-func TestLoadKeys(t *testing.T) {
-	tempDir, err := ioutil.TempDir("", "weak-keys")
-	test.AssertNotError(t, err, "Failed to create temporary directory")
-	err = ioutil.WriteFile(filepath.Join(tempDir, "a"), []byte("# asd\n200352313bc059445190"), os.ModePerm)
-	test.AssertNotError(t, err, "Failed to create temporary file")
-	err = ioutil.WriteFile(filepath.Join(tempDir, "b"), []byte("# asd\ndc47cdf6b45d89e8b2a0"), os.ModePerm)
-	test.AssertNotError(t, err, "Failed to create temporary file")
-
-	wk, err := loadSuffixes(tempDir)
-	test.AssertNotError(t, err, "Failed to load suffixes from directory")
-
-	test.Assert(t, wk.Known([]byte("asd")), "weakKeys.Known failed to find suffix that has been added")
-	test.Assert(t, wk.Known([]byte("dsa")), "weakKeys.Known failed to find suffix that has been added")
-}