Index: runtime/lib/crypto/crypto_vm.dart |
=================================================================== |
--- runtime/lib/crypto/crypto_vm.dart (revision 18864) |
+++ runtime/lib/crypto/crypto_vm.dart (working copy) |
@@ -1,127 +0,0 @@ |
-// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
-// for details. All rights reserved. Use of this source code is governed by a |
-// BSD-style license that can be found in the LICENSE file. |
- |
-// TODO(ager, iposva): Get rid of this file when the VM snapshot |
-// generation can deal with normal library structure. |
- |
-library crypto; |
- |
-import 'dart:math'; |
- |
-/** |
- * Interface for cryptographic hash functions. |
- * |
- * The [update] method is used to add data to the hash. The [digest] method |
- * is used to extract the message digest. |
- * |
- * Once the [digest] method has been called no more data can be added using the |
- * [update] method. If [update] is called after the first call to [digest] a |
- * HashException is thrown. |
- * |
- * If multiple instances of a given Hash is needed the [newInstance] |
- * method can provide a new instance. |
- */ |
-abstract class Hash { |
- /** |
- * Add a list of bytes to the hash computation. |
- */ |
- Hash update(List<int> data); |
- |
- /** |
- * Finish the hash computation and extract the message digest as |
- * a list of bytes. |
- */ |
- List<int> digest(); |
- |
- /** |
- * Returns a new instance of this hash function. |
- */ |
- Hash newInstance(); |
- |
- /** |
- * Block size of the hash in bytes. |
- */ |
- int get blockSize; |
-} |
- |
-/** |
- * SHA1 hash function implementation. |
- */ |
-abstract class SHA1 implements Hash { |
- factory SHA1() => new _SHA1(); |
-} |
- |
-/** |
- * SHA256 hash function implementation. |
- */ |
-abstract class SHA256 implements Hash { |
- factory SHA256() => new _SHA256(); |
-} |
- |
-/** |
- * MD5 hash function implementation. |
- * |
- * WARNING: MD5 has known collisions and should only be used when |
- * required for backwards compatibility. |
- */ |
-abstract class MD5 implements Hash { |
- factory MD5() => new _MD5(); |
-} |
- |
-/** |
- * Hash-based Message Authentication Code support. |
- * |
- * The [update] method is used to add data to the message. The [digest] method |
- * is used to extract the message authentication code. |
- */ |
-abstract class HMAC { |
- /** |
- * Create an [HMAC] object from a [Hash] and a key. |
- */ |
- factory HMAC(Hash hash, List<int> key) => new _HMAC(hash, key); |
- |
- /** |
- * Add a list of bytes to the message. |
- */ |
- HMAC update(List<int> data); |
- |
- /** |
- * Perform the actual computation and extract the message digest |
- * as a list of bytes. |
- */ |
- List<int> digest(); |
-} |
- |
-/** |
- * Utility methods for working with message digests. |
- */ |
-abstract class CryptoUtils { |
- /** |
- * Convert a list of bytes (for example a message digest) into a hex |
- * string. |
- */ |
- static String bytesToHex(List<int> bytes) { |
- return _CryptoUtils.bytesToHex(bytes); |
- } |
- |
- /** |
- * Converts a list of bytes (for example a message digest) into a |
- * base64 encoded string optionally broken up in to lines of |
- * [lineLength] chars separated by '\r\n'. |
- */ |
- static String bytesToBase64(List<int> bytes, [int lineLength]) { |
- return _CryptoUtils.bytesToBase64(bytes, lineLength); |
- } |
-} |
- |
-/** |
- * HashExceptions are thrown on invalid use of a Hash |
- * object. |
- */ |
-class HashException { |
- HashException(String this.message); |
- toString() => "HashException: $message"; |
- String message; |
-} |
- |