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What Is poi-5.2.3.jar?
What Is poi-5.2.3.jar?
✍: FYIcenter.com
poi-5.2.3.jar is one of the JAR files for Apache POI 5.2.3, which provides an API for Microsoft document files of Word, Excel, PowerPoint, and Visio.
poi-5.2.3.jar supports Apache POI components that read and write Microsoft's OLE 2 Compound document format, which is used in early versions of Microsoft Office tools like Word 97, Excel 97, PowerPoint 97, etc.
poi-5.2.3.jar is distributed as part of the poi-bin-5.2.3-20220909.zip download file.
JAR File Size and Download Location:
JAR name: poi-5.2.3.jar Target JDK version: 9 File name: poi.jar, poi-5.2.3.jar File size: 2964641 bytes Release date: 09-09-2022 Download: Apache POI Website
Here are Java Source Code files for poi-5.2.3.jar:
⏎ org/apache/poi/poifs/crypt/standard/StandardEncryptionInfoBuilder.java
/* ==================================================================== Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ==================================================================== */ package org.apache.poi.poifs.crypt.standard; import java.io.IOException; import org.apache.poi.EncryptedDocumentException; import org.apache.poi.poifs.crypt.ChainingMode; import org.apache.poi.poifs.crypt.CipherAlgorithm; import org.apache.poi.poifs.crypt.EncryptionInfo; import org.apache.poi.poifs.crypt.EncryptionInfoBuilder; import org.apache.poi.poifs.crypt.HashAlgorithm; import org.apache.poi.util.LittleEndianInput; public class StandardEncryptionInfoBuilder implements EncryptionInfoBuilder { /** * initialize the builder from a stream */ @Override public void initialize(EncryptionInfo info, LittleEndianInput dis) throws IOException { /* int hSize = */ dis.readInt(); StandardEncryptionHeader header = new StandardEncryptionHeader(dis); info.setHeader(header); info.setVerifier(new StandardEncryptionVerifier(dis, header)); if (info.getVersionMinor() == 2 && (info.getVersionMajor() == 3 || info.getVersionMajor() == 4)) { StandardDecryptor dec = new StandardDecryptor(); dec.setEncryptionInfo(info); info.setDecryptor(dec); } } /** * initialize the builder from scratch */ @Override public void initialize(EncryptionInfo info, CipherAlgorithm cipherAlgorithm, HashAlgorithm hashAlgorithm, int keyBits, int blockSize, ChainingMode chainingMode) { if (cipherAlgorithm == null) { cipherAlgorithm = CipherAlgorithm.aes128; } if (cipherAlgorithm != CipherAlgorithm.aes128 && cipherAlgorithm != CipherAlgorithm.aes192 && cipherAlgorithm != CipherAlgorithm.aes256) { throw new EncryptedDocumentException("Standard encryption only supports AES128/192/256."); } if (hashAlgorithm == null) { hashAlgorithm = HashAlgorithm.sha1; } if (hashAlgorithm != HashAlgorithm.sha1) { throw new EncryptedDocumentException("Standard encryption only supports SHA-1."); } if (chainingMode == null) { chainingMode = ChainingMode.ecb; } if (chainingMode != ChainingMode.ecb) { throw new EncryptedDocumentException("Standard encryption only supports ECB chaining."); } if (keyBits == -1) { keyBits = cipherAlgorithm.defaultKeySize; } if (blockSize == -1) { blockSize = cipherAlgorithm.blockSize; } boolean found = false; for (int ks : cipherAlgorithm.allowedKeySize) { found |= (ks == keyBits); } if (!found) { throw new EncryptedDocumentException("KeySize "+keyBits+" not allowed for Cipher "+ cipherAlgorithm); } info.setHeader(new StandardEncryptionHeader(cipherAlgorithm, hashAlgorithm, keyBits, blockSize, chainingMode)); info.setVerifier(new StandardEncryptionVerifier(cipherAlgorithm, hashAlgorithm, keyBits, blockSize, chainingMode)); StandardDecryptor dec = new StandardDecryptor(); dec.setEncryptionInfo(info); info.setDecryptor(dec); StandardEncryptor enc = new StandardEncryptor(); enc.setEncryptionInfo(info); info.setEncryptor(enc); } }
⏎ org/apache/poi/poifs/crypt/standard/StandardEncryptionInfoBuilder.java
Or download all of them as a single archive file:
File name: poi-5.2.3-src.zip File size: 2479830 bytes Release date: 2022-09-09 Download
⇒ What Is poi-ooxml-5.2.3.jar?
⇐ What Is poi-bin-5.2.3-20220909.zip?
2017-04-04, 56022👍, 0💬
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