Remove deprecated APIs.

lib/src/hmac.dart

 // 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.
 
 import 'dart:convert';
 import 'dart:typed_data';
 
-import 'package:typed_data/typed_data.dart';
-
 import 'digest.dart';
 import 'digest_sink.dart';
 import 'hash.dart';
 
 /// An implementation of [keyed-hash method authentication codes][rfc].
 ///
 /// [rfc]: https://tools.ietf.org/html/rfc2104
 ///
 /// HMAC allows messages to be cryptographically authenticated using any
 /// iterated cryptographic hash function.
@@ skipping 24 matching lines @@
     var outerSink = startChunkedConversion(innerSink);
     outerSink.add(data);
     outerSink.close();
     return innerSink.value;
   }
 
   ByteConversionSink startChunkedConversion(Sink<Digest> sink) =>
       new _HmacSink(sink, _hash, _key);
 }
 
-/// This is deprecated.
-///
-/// Use [Hmac] instead.
-@Deprecated("Will be removed in crypto 1.0.0.")
-class HMAC {
-  final Hmac _hmac;
-
-  /// The sink for implementing the deprecated APIs that involved adding data
-  /// directly to the [HMAC] instance.
-  _HmacSink _sink;
-
-  /// The sink that [_sink] sends the [Digest] to once it finishes hashing.
-  DigestSink _innerSink;
-
-  /// The bytes from the message so far.
-  final _message = new Uint8Buffer();
-
-  /// Create an [HMAC] object from a [Hash] and a binary key.
-  ///
-  /// The key should be a secret shared between the sender and receiver of the
-  /// message.
-  HMAC(Hash hash, List<int> key) : _hmac = new Hmac(hash, key) {
-    _innerSink = new DigestSink();
-    _sink = _hmac.startChunkedConversion(_innerSink);
-  }
-
-  void add(List<int> data) {
-    _message.addAll(data);
-    _sink.add(data);
-  }
-
-  List<int> close() {
-    _sink.close();
-    return _innerSink.value.bytes;
-  }
-
-  List<int> get digest {
-    if (_sink._isClosed) return _innerSink.value.bytes;
-
-    // This may be called at any point while the message is being hashed, but
-    // the [_HmacSink] only supports getting the value once. To make this work,
-    // we just re-hash everything after we get the digest. It's redundant, but
-    // this API is deprecated anyway.
-    _sink.close();
-    var bytes = _innerSink.value.bytes;
-
-    _innerSink = new DigestSink();
-    _sink = _hmac._hash.startChunkedConversion(_innerSink);
-    _sink.add(_message);
-
-    return bytes;
-  }
-
-  bool verify(List<int> digest) {
-    var computedDigest = this.digest;
-    if (digest.length != computedDigest.length) {
-      throw new ArgumentError(
-          'Invalid digest size: ${digest.length} in HMAC.verify. '
-          'Expected: ${_hmac._hash.blockSize}.');
-    }
-
-    var result = 0;
-    for (var i = 0; i < digest.length; i++) {
-      result |= digest[i] ^ computedDigest[i];
-    }
-    return result == 0;
-  }
-}
-
 /// The concrete implementation of the HMAC algorithm.
 class _HmacSink extends ByteConversionSink {
   /// The sink for the outer hash computation.
   final ByteConversionSink _outerSink;
 
   /// The sink that [_innerSink]'s result will be added to when it's available.
   final _innerResultSink = new DigestSink();
 
   /// The sink for the inner hash computation.
   ByteConversionSink _innerSink;
@@ skipping 31 matching lines @@
 
   void close() {
     if (_isClosed) return;
     _isClosed = true;
 
     _innerSink.close();
     _outerSink.add(_innerResultSink.value.bytes);
     _outerSink.close();
   }
 }