Index: sdk/lib/crypto/crypto_utils.dart |
diff --git a/sdk/lib/crypto/crypto_utils.dart b/sdk/lib/crypto/crypto_utils.dart |
index f209bf3885e4e1aac3ff40dbcdd23eb51bfc88f3..b9b430525fce7d99993e11b8908b686bc6fae891 100644 |
--- a/sdk/lib/crypto/crypto_utils.dart |
+++ b/sdk/lib/crypto/crypto_utils.dart |
@@ -21,7 +21,7 @@ class _LineWrappingStringBuffer { |
int _currentLineLength = 0; |
} |
-class _CryptoUtils { |
+abstract class _CryptoUtils { |
static String bytesToHex(List<int> bytes) { |
var result = new StringBuffer(); |
for (var part in bytes) { |