Example usage for org.apache.poi.poifs.crypt CipherAlgorithm aes128

Introduction

In this page you can find the example usage for org.apache.poi.poifs.crypt CipherAlgorithm aes128.

Prototype

CipherAlgorithm aes128

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Usage

From source file:com.github.poi.AesZipFileZipEntrySource.java

License:Apache License

public static AesZipFileZipEntrySource createZipEntrySource(InputStream is)
        throws IOException, GeneralSecurityException {
    // generate session key
    SecureRandom sr = new SecureRandom();
    byte[] ivBytes = new byte[16], keyBytes = new byte[16];
    sr.nextBytes(ivBytes);//w ww.j av a2 s.c  o  m
    sr.nextBytes(keyBytes);
    final File tmpFile = TempFile.createTempFile("protectedXlsx", ".zip");
    copyToFile(is, tmpFile, CipherAlgorithm.aes128, keyBytes, ivBytes);
    IOUtils.closeQuietly(is);
    return fileToSource(tmpFile, CipherAlgorithm.aes128, keyBytes, ivBytes);
}

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