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5 * distributed with this work for additional information
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7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
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21 class BlobCrypterException extends Exception {
25 * Utility interface for managing signed, encrypted, and time stamped blobs.
26 * Blobs are made up of name/value pairs. Time stamps are automatically
27 * included and checked.
30 abstract class BlobCrypter {
33 * Time stamps, encrypts, and signs a blob.
35 * @param in name/value pairs to encrypt
36 * @return a base64 encoded blob
38 * @throws BlobCrypterException
40 abstract public function wrap(Array $in);
46 * @param maxAgeSec maximum age for the blob
47 * @return the name/value pairs, including the origin timestamp.
49 * @throws BlobExpiredException if the blob is too old to be accepted.
50 * @throws BlobCrypterException if the blob can't be decoded.
52 abstract public function unwrap($in, $maxAgeSec);