| // See file LICENSE for more information. |
| |
| // |
| // |
| //TODO find out that these two methods are for! |
| //BlockCipher _cfbBlockCipherFactory(String algorithmName) { |
| // var parts = algorithmName.split("/"); |
| // |
| // if (parts.length != 2) return null; |
| // if (!parts[1].startsWith("CFB-")) return null; |
| // |
| // var blockSizeInBits = int.parse(parts[1].substring(4)); |
| // if ((blockSizeInBits % 8) != 0) { |
| // throw new ArgumentError("Bad CFB block size: $blockSizeInBits (must be a multiple of 8)"); |
| // } |
| // |
| // var underlyingCipher = _createOrNull(() => new BlockCipher(parts[0])); |
| // |
| // if (underlyingCipher != null) { |
| // return new CFBBlockCipher(underlyingCipher, blockSizeInBits ~/ 8); |
| // } |
| // |
| // return null; |
| //} |
| // |
| //BlockCipher _ofbBlockCipherFactory(String algorithmName) { |
| // var parts = algorithmName.split("/"); |
| // |
| // if (parts.length != 2) return null; |
| // if (!parts[1].startsWith("OFB-")) return null; |
| // |
| // var blockSizeInBits = int.parse(parts[1].substring(4)); |
| // if ((blockSizeInBits % 8) != 0) { |
| // throw new ArgumentError("Bad OFB block size: $blockSizeInBits (must be a multiple of 8)"); |
| // } |
| // |
| // var underlyingCipher = _createOrNull(() => new BlockCipher(parts[0])); |
| // |
| // if (underlyingCipher != null) { |
| // return new OFBBlockCipher(underlyingCipher, blockSizeInBits ~/ 8); |
| // } |
| // |
| // return null; |
| //} |
