kopia lustrzana https://github.com/gaul/s3proxy
49 wiersze
1.9 KiB
Java
49 wiersze
1.9 KiB
Java
/*
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* Copyright 2014-2021 Andrew Gaul <andrew@gaul.org>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.gaul.s3proxy.crypto;
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import java.nio.charset.StandardCharsets;
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import java.util.regex.Pattern;
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public final class Constants {
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public static final short VERSION = 1;
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public static final String AES_CIPHER = "AES/CFB/NoPadding";
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public static final String S3_ENC_SUFFIX = ".s3enc";
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public static final String MPU_FOLDER = ".mpu/";
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public static final Pattern MPU_ETAG_SUFFIX_PATTERN =
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Pattern.compile(".*-([0-9]+)");
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public static final String METADATA_ENCRYPTION_PARTS =
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"s3proxy_encryption_parts";
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public static final String METADATA_IS_ENCRYPTED_MULTIPART =
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"s3proxy_encryption_multipart";
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public static final String METADATA_MULTIPART_KEY =
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"s3proxy_mpu_key";
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public static final int AES_BLOCK_SIZE = 16;
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public static final int PADDING_BLOCK_SIZE = 64;
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public static final byte[] DELIMITER =
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"-S3-ENC-".getBytes(StandardCharsets.UTF_8);
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public static final int PADDING_DELIMITER_LENGTH = DELIMITER.length;
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public static final int PADDING_IV_LENGTH = 16;
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public static final int PADDING_PART_LENGTH = 4;
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public static final int PADDING_SIZE_LENGTH = 8;
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public static final int PADDING_VERSION_LENGTH = 2;
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private Constants() {
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throw new AssertionError("Cannot instantiate utility constructor");
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}
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}
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