Evaluate/projects/iceberg/java/doxygen_doc/xml/AesGcmInputStream_8java.xml

<?xml version='1.0' encoding='UTF-8' standalone='no'?>
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  <compounddef id="AesGcmInputStream_8java" kind="file" language="Java">
    <compoundname>AesGcmInputStream.java</compoundname>
    <innerclass refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream" prot="public">org::apache::iceberg::encryption::AesGcmInputStream</innerclass>
    <innernamespace refid="namespaceorg_1_1apache_1_1iceberg_1_1encryption">org::apache::iceberg::encryption</innernamespace>
    <briefdescription>
    </briefdescription>
    <detaileddescription>
    </detaileddescription>
    <programlisting>
<codeline lineno="1"><highlight class="comment">/*</highlight></codeline>
<codeline lineno="2"><highlight class="comment"><sp/>*<sp/>Licensed<sp/>to<sp/>the<sp/>Apache<sp/>Software<sp/>Foundation<sp/>(ASF)<sp/>under<sp/>one</highlight></codeline>
<codeline lineno="3"><highlight class="comment"><sp/>*<sp/>or<sp/>more<sp/>contributor<sp/>license<sp/>agreements.<sp/><sp/>See<sp/>the<sp/>NOTICE<sp/>file</highlight></codeline>
<codeline lineno="4"><highlight class="comment"><sp/>*<sp/>distributed<sp/>with<sp/>this<sp/>work<sp/>for<sp/>additional<sp/>information</highlight></codeline>
<codeline lineno="5"><highlight class="comment"><sp/>*<sp/>regarding<sp/>copyright<sp/>ownership.<sp/><sp/>The<sp/>ASF<sp/>licenses<sp/>this<sp/>file</highlight></codeline>
<codeline lineno="6"><highlight class="comment"><sp/>*<sp/>to<sp/>you<sp/>under<sp/>the<sp/>Apache<sp/>License,<sp/>Version<sp/>2.0<sp/>(the</highlight></codeline>
<codeline lineno="7"><highlight class="comment"><sp/>*<sp/>&quot;License&quot;);<sp/>you<sp/>may<sp/>not<sp/>use<sp/>this<sp/>file<sp/>except<sp/>in<sp/>compliance</highlight></codeline>
<codeline lineno="8"><highlight class="comment"><sp/>*<sp/>with<sp/>the<sp/>License.<sp/><sp/>You<sp/>may<sp/>obtain<sp/>a<sp/>copy<sp/>of<sp/>the<sp/>License<sp/>at</highlight></codeline>
<codeline lineno="9"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="10"><highlight class="comment"><sp/>*<sp/><sp/><sp/>http://www.apache.org/licenses/LICENSE-2.0</highlight></codeline>
<codeline lineno="11"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="12"><highlight class="comment"><sp/>*<sp/>Unless<sp/>required<sp/>by<sp/>applicable<sp/>law<sp/>or<sp/>agreed<sp/>to<sp/>in<sp/>writing,</highlight></codeline>
<codeline lineno="13"><highlight class="comment"><sp/>*<sp/>software<sp/>distributed<sp/>under<sp/>the<sp/>License<sp/>is<sp/>distributed<sp/>on<sp/>an</highlight></codeline>
<codeline lineno="14"><highlight class="comment"><sp/>*<sp/>&quot;AS<sp/>IS&quot;<sp/>BASIS,<sp/>WITHOUT<sp/>WARRANTIES<sp/>OR<sp/>CONDITIONS<sp/>OF<sp/>ANY</highlight></codeline>
<codeline lineno="15"><highlight class="comment"><sp/>*<sp/>KIND,<sp/>either<sp/>express<sp/>or<sp/>implied.<sp/><sp/>See<sp/>the<sp/>License<sp/>for<sp/>the</highlight></codeline>
<codeline lineno="16"><highlight class="comment"><sp/>*<sp/>specific<sp/>language<sp/>governing<sp/>permissions<sp/>and<sp/>limitations</highlight></codeline>
<codeline lineno="17"><highlight class="comment"><sp/>*<sp/>under<sp/>the<sp/>License.</highlight></codeline>
<codeline lineno="18"><highlight class="comment"><sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="19"><highlight class="normal"></highlight><highlight class="keyword">package<sp/></highlight><highlight class="normal">org.apache.iceberg.encryption;</highlight></codeline>
<codeline lineno="20"><highlight class="normal"></highlight></codeline>
<codeline lineno="21"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/>java.io.EOFException;</highlight></codeline>
<codeline lineno="22"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/>java.io.IOException;</highlight></codeline>
<codeline lineno="23"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/>java.nio.ByteBuffer;</highlight></codeline>
<codeline lineno="24"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/>java.nio.ByteOrder;</highlight></codeline>
<codeline lineno="25"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1io" kindref="compound">io</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1IOUtil" kindref="compound">IOUtil</ref>;</highlight></codeline>
<codeline lineno="26"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1io" kindref="compound">io</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1SeekableInputStream" kindref="compound">SeekableInputStream</ref>;</highlight></codeline>
<codeline lineno="27"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.relocated.com.google.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1common" kindref="compound">common</ref>.base.<ref refid="classorg_1_1apache_1_1iceberg_1_1relocated_1_1com_1_1google_1_1common_1_1base_1_1Preconditions" kindref="compound">Preconditions</ref>;</highlight></codeline>
<codeline lineno="28"><highlight class="normal"></highlight></codeline>
<codeline lineno="29" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream" refkind="compound"><highlight class="normal"></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">class<sp/></highlight><highlight class="normal"><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream" kindref="compound">AesGcmInputStream</ref><sp/></highlight><highlight class="keyword">extends</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1SeekableInputStream" kindref="compound">SeekableInputStream</ref><sp/>{</highlight></codeline>
<codeline lineno="30" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a9d7ff7f1758347ea583a9b91129911bf" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1SeekableInputStream" kindref="compound">SeekableInputStream</ref><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a9d7ff7f1758347ea583a9b91129911bf" kindref="member">sourceStream</ref>;</highlight></codeline>
<codeline lineno="31" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a0dc84d6a7e571dae964123b86d356bcc" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a0dc84d6a7e571dae964123b86d356bcc" kindref="member">fileAADPrefix</ref>;</highlight></codeline>
<codeline lineno="32" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a066e04cad4b3f2dc8dc1eddc44d4bd96" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1_1AesGcmDecryptor" kindref="compound">AesGcmDecryptor</ref><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a066e04cad4b3f2dc8dc1eddc44d4bd96" kindref="member">decryptor</ref>;</highlight></codeline>
<codeline lineno="33" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1ace11be7719519ae3e6f63b0696c181ed" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1ace11be7719519ae3e6f63b0696c181ed" kindref="member">cipherBlockBuffer</ref>;</highlight></codeline>
<codeline lineno="34" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1aee2292a86972a7088e11e8e9448f1b08" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1aee2292a86972a7088e11e8e9448f1b08" kindref="member">currentPlainBlock</ref>;</highlight></codeline>
<codeline lineno="35" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1afcee025333145beaa032b4c20684e98c" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1afcee025333145beaa032b4c20684e98c" kindref="member">numBlocks</ref>;</highlight></codeline>
<codeline lineno="36" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1ac9ce30c08980f32f04eed4de4c78212e" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1ac9ce30c08980f32f04eed4de4c78212e" kindref="member">lastCipherBlockSize</ref>;</highlight></codeline>
<codeline lineno="37" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1aaf26b758cfd16ae559791ebe9bbb06f8" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1aaf26b758cfd16ae559791ebe9bbb06f8" kindref="member">plainStreamSize</ref>;</highlight></codeline>
<codeline lineno="38" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a335c7eaf124ebd5e3c46ebc74c978e5e" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a335c7eaf124ebd5e3c46ebc74c978e5e" kindref="member">singleByte</ref>;</highlight></codeline>
<codeline lineno="39"><highlight class="normal"></highlight></codeline>
<codeline lineno="40" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1af5243b05cc585ca879aab08118f0d8b1" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1af5243b05cc585ca879aab08118f0d8b1" kindref="member">plainStreamPosition</ref>;</highlight></codeline>
<codeline lineno="41" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a60765e91ac5e395b68f5bf479275b94b" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a60765e91ac5e395b68f5bf479275b94b" kindref="member">currentPlainBlockIndex</ref>;</highlight></codeline>
<codeline lineno="42" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a037b3fe1fe3ba0d5bdbb29aa74b8c56c" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a037b3fe1fe3ba0d5bdbb29aa74b8c56c" kindref="member">currentPlainBlockSize</ref>;</highlight></codeline>
<codeline lineno="43"><highlight class="normal"></highlight></codeline>
<codeline lineno="44"><highlight class="normal"><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream" kindref="compound">AesGcmInputStream</ref>(</highlight></codeline>
<codeline lineno="45"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1SeekableInputStream" kindref="compound">SeekableInputStream</ref><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a9d7ff7f1758347ea583a9b91129911bf" kindref="member">sourceStream</ref>,<sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>sourceLength,<sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/>aesKey,<sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a0dc84d6a7e571dae964123b86d356bcc" kindref="member">fileAADPrefix</ref>)<sp/>{</highlight></codeline>
<codeline lineno="46"><highlight class="normal"><sp/><sp/><sp/><sp/>this.sourceStream<sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a9d7ff7f1758347ea583a9b91129911bf" kindref="member">sourceStream</ref>;</highlight></codeline>
<codeline lineno="47"><highlight class="normal"><sp/><sp/><sp/><sp/>this.fileAADPrefix<sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a0dc84d6a7e571dae964123b86d356bcc" kindref="member">fileAADPrefix</ref>;</highlight></codeline>
<codeline lineno="48"><highlight class="normal"><sp/><sp/><sp/><sp/>this.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a066e04cad4b3f2dc8dc1eddc44d4bd96" kindref="member">decryptor</ref><sp/>=<sp/></highlight><highlight class="keyword">new</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1_1AesGcmDecryptor" kindref="compound">AesGcmDecryptor</ref>(aesKey);</highlight></codeline>
<codeline lineno="49"><highlight class="normal"><sp/><sp/><sp/><sp/>this.cipherBlockBuffer<sp/>=<sp/></highlight><highlight class="keyword">new</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1a2a4d300008785c579de559c21ce74f57" kindref="member">CIPHER_BLOCK_SIZE</ref>];</highlight></codeline>
<codeline lineno="50"><highlight class="normal"><sp/><sp/><sp/><sp/>this.currentPlainBlock<sp/>=<sp/></highlight><highlight class="keyword">new</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1addaca706c7613408f338481e5bf20643" kindref="member">PLAIN_BLOCK_SIZE</ref>];</highlight></codeline>
<codeline lineno="51"><highlight class="normal"><sp/><sp/><sp/><sp/>this.plainStreamPosition<sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="52"><highlight class="normal"><sp/><sp/><sp/><sp/>this.currentPlainBlockIndex<sp/>=<sp/>-1;</highlight></codeline>
<codeline lineno="53"><highlight class="normal"><sp/><sp/><sp/><sp/>this.currentPlainBlockSize<sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="54"><highlight class="normal"></highlight></codeline>
<codeline lineno="55"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>streamLength<sp/>=<sp/>sourceLength<sp/>-<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.GCM_STREAM_HEADER_LENGTH;</highlight></codeline>
<codeline lineno="56"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>numFullBlocks<sp/>=<sp/>Math.toIntExact(streamLength<sp/>/<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1a2a4d300008785c579de559c21ce74f57" kindref="member">CIPHER_BLOCK_SIZE</ref>);</highlight></codeline>
<codeline lineno="57"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>cipherFullBlockLength<sp/>=<sp/>numFullBlocks<sp/>*<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1a2a4d300008785c579de559c21ce74f57" kindref="member">CIPHER_BLOCK_SIZE</ref>;</highlight></codeline>
<codeline lineno="58"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>cipherBytesInLastBlock<sp/>=<sp/>Math.toIntExact(streamLength<sp/>-<sp/>cipherFullBlockLength);</highlight></codeline>
<codeline lineno="59"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">boolean</highlight><highlight class="normal"><sp/>fullBlocksOnly<sp/>=<sp/>(0<sp/>==<sp/>cipherBytesInLastBlock);</highlight></codeline>
<codeline lineno="60"><highlight class="normal"><sp/><sp/><sp/><sp/>this.numBlocks<sp/>=<sp/>fullBlocksOnly<sp/>?<sp/>numFullBlocks<sp/>:<sp/>numFullBlocks<sp/>+<sp/>1;</highlight></codeline>
<codeline lineno="61"><highlight class="normal"><sp/><sp/><sp/><sp/>this.lastCipherBlockSize<sp/>=</highlight></codeline>
<codeline lineno="62"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>fullBlocksOnly<sp/>?<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1a2a4d300008785c579de559c21ce74f57" kindref="member">CIPHER_BLOCK_SIZE</ref><sp/>:<sp/>cipherBytesInLastBlock;<sp/></highlight><highlight class="comment">//<sp/>never<sp/>0</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="63"><highlight class="normal"></highlight></codeline>
<codeline lineno="64"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>lastPlainBlockSize<sp/>=</highlight></codeline>
<codeline lineno="65"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>(long)<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1ac9ce30c08980f32f04eed4de4c78212e" kindref="member">lastCipherBlockSize</ref><sp/>-<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1aa12a6ba14079e80e1abec13b04367307" kindref="member">NONCE_LENGTH</ref><sp/>-<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1aa34339b5a87169b5689d5c432ce72a2a" kindref="member">GCM_TAG_LENGTH</ref>;</highlight></codeline>
<codeline lineno="66"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">this</highlight><highlight class="normal">.plainStreamSize<sp/>=</highlight></codeline>
<codeline lineno="67"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>numFullBlocks<sp/>*<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1addaca706c7613408f338481e5bf20643" kindref="member">PLAIN_BLOCK_SIZE</ref><sp/>+<sp/>(fullBlocksOnly<sp/>?<sp/>0<sp/>:<sp/>lastPlainBlockSize);</highlight></codeline>
<codeline lineno="68"><highlight class="normal"><sp/><sp/><sp/><sp/>this.singleByte<sp/>=<sp/></highlight><highlight class="keyword">new</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[1];</highlight></codeline>
<codeline lineno="69"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="70"><highlight class="normal"></highlight></codeline>
<codeline lineno="71" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a5c08ae329e74162822ddc79e4261f246" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a5c08ae329e74162822ddc79e4261f246" kindref="member">validateHeader</ref>()<sp/>throws<sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="72"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/>headerBytes<sp/>=<sp/></highlight><highlight class="keyword">new</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.GCM_STREAM_HEADER_LENGTH];</highlight></codeline>
<codeline lineno="73"><highlight class="normal"><sp/><sp/><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1IOUtil" kindref="compound">IOUtil</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1IOUtil_1a0e12ad68e802dc0cce0dbc0ae02808b0" kindref="member">readFully</ref>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a9d7ff7f1758347ea583a9b91129911bf" kindref="member">sourceStream</ref>,<sp/>headerBytes,<sp/>0,<sp/>headerBytes.length);</highlight></codeline>
<codeline lineno="74"><highlight class="normal"></highlight></codeline>
<codeline lineno="75"><highlight class="normal"><sp/><sp/><sp/><sp/>Preconditions.checkState(</highlight></codeline>
<codeline lineno="76"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.GCM_STREAM_MAGIC.equals(ByteBuffer.wrap(headerBytes,<sp/>0,<sp/>4)),</highlight></codeline>
<codeline lineno="77"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="stringliteral">&quot;Invalid<sp/>GCM<sp/>stream:<sp/>magic<sp/>does<sp/>not<sp/>match<sp/>AGS1&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="78"><highlight class="normal"></highlight></codeline>
<codeline lineno="79"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>plainBlockSize<sp/>=<sp/>ByteBuffer.wrap(headerBytes,<sp/>4,<sp/>4).order(ByteOrder.LITTLE_ENDIAN).getInt();</highlight></codeline>
<codeline lineno="80"><highlight class="normal"><sp/><sp/><sp/><sp/>Preconditions.checkState(</highlight></codeline>
<codeline lineno="81"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>plainBlockSize<sp/>==<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1addaca706c7613408f338481e5bf20643" kindref="member">PLAIN_BLOCK_SIZE</ref>,</highlight></codeline>
<codeline lineno="82"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="stringliteral">&quot;Invalid<sp/>GCM<sp/>stream:<sp/>block<sp/>size<sp/>%d<sp/>!=<sp/>%d&quot;</highlight><highlight class="normal">,</highlight></codeline>
<codeline lineno="83"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>plainBlockSize,</highlight></codeline>
<codeline lineno="84"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1addaca706c7613408f338481e5bf20643" kindref="member">PLAIN_BLOCK_SIZE</ref>);</highlight></codeline>
<codeline lineno="85"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="86"><highlight class="normal"></highlight></codeline>
<codeline lineno="87"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="88" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a7b7f0ed6071174b5f3a0f5853be68394" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a7b7f0ed6071174b5f3a0f5853be68394" kindref="member">available</ref>()<sp/>{</highlight></codeline>
<codeline lineno="89"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>maxAvailable<sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1aaf26b758cfd16ae559791ebe9bbb06f8" kindref="member">plainStreamSize</ref><sp/>-<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1af5243b05cc585ca879aab08118f0d8b1" kindref="member">plainStreamPosition</ref>;</highlight></codeline>
<codeline lineno="90"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>See<sp/>InputStream.available<sp/>contract</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="91"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(maxAvailable<sp/>&gt;=<sp/>Integer.MAX_VALUE)<sp/>{</highlight></codeline>
<codeline lineno="92"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>Integer.MAX_VALUE;</highlight></codeline>
<codeline lineno="93"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline lineno="94"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>(</highlight><highlight class="keywordtype">int</highlight><highlight class="normal">)<sp/>maxAvailable;</highlight></codeline>
<codeline lineno="95"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="96"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="97"><highlight class="normal"></highlight></codeline>
<codeline lineno="98" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a8ee638a075a3105c57068318104b09fc" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a8ee638a075a3105c57068318104b09fc" kindref="member">availableInCurrentBlock</ref>()<sp/>{</highlight></codeline>
<codeline lineno="99"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" kindref="member">blockIndex</ref>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1af5243b05cc585ca879aab08118f0d8b1" kindref="member">plainStreamPosition</ref>)<sp/>!=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a60765e91ac5e395b68f5bf479275b94b" kindref="member">currentPlainBlockIndex</ref>)<sp/>{</highlight></codeline>
<codeline lineno="100"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="101"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="102"><highlight class="normal"></highlight></codeline>
<codeline lineno="103"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a037b3fe1fe3ba0d5bdbb29aa74b8c56c" kindref="member">currentPlainBlockSize</ref><sp/>-<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a6e76de59bbda9e5378daadbc3c0403f5" kindref="member">offsetInBlock</ref>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1af5243b05cc585ca879aab08118f0d8b1" kindref="member">plainStreamPosition</ref>);</highlight></codeline>
<codeline lineno="104"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="105"><highlight class="normal"></highlight></codeline>
<codeline lineno="106"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="107" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a171f2f4ce7e5bb1691ba25cb96c8228c" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a171f2f4ce7e5bb1691ba25cb96c8228c" kindref="member">read</ref>(</highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/>b,<sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>off,<sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>len)<sp/></highlight><highlight class="keywordflow">throws</highlight><highlight class="normal"><sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="108"><highlight class="normal"><sp/><sp/><sp/><sp/>Preconditions.checkArgument(len<sp/>&gt;=<sp/>0,<sp/></highlight><highlight class="stringliteral">&quot;Invalid<sp/>read<sp/>length:<sp/>&quot;</highlight><highlight class="normal"><sp/>+<sp/>len);</highlight></codeline>
<codeline lineno="109"><highlight class="normal"></highlight></codeline>
<codeline lineno="110"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a60765e91ac5e395b68f5bf479275b94b" kindref="member">currentPlainBlockIndex</ref><sp/>&lt;<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="111"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a2a4f2fb01c1656debd48de2050e31666" kindref="member">decryptBlock</ref>(0);</highlight></codeline>
<codeline lineno="112"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="113"><highlight class="normal"></highlight></codeline>
<codeline lineno="114"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a7b7f0ed6071174b5f3a0f5853be68394" kindref="member">available</ref>()<sp/>&lt;=<sp/>0<sp/>&amp;&amp;<sp/>len<sp/>&gt;<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="115"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>-1;</highlight></codeline>
<codeline lineno="116"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="117"><highlight class="normal"></highlight></codeline>
<codeline lineno="118"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(len<sp/>==<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="119"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="120"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="121"><highlight class="normal"></highlight></codeline>
<codeline lineno="122"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>totalBytesRead<sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="123"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>resultBufferOffset<sp/>=<sp/>off;</highlight></codeline>
<codeline lineno="124"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>remainingBytesToRead<sp/>=<sp/>len;</highlight></codeline>
<codeline lineno="125"><highlight class="normal"></highlight></codeline>
<codeline lineno="126"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">while</highlight><highlight class="normal"><sp/>(remainingBytesToRead<sp/>&gt;<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="127"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>availableInBlock<sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a8ee638a075a3105c57068318104b09fc" kindref="member">availableInCurrentBlock</ref>();</highlight></codeline>
<codeline lineno="128"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(availableInBlock<sp/>&gt;<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="129"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>bytesToCopy<sp/>=<sp/>Math.min(availableInBlock,<sp/>remainingBytesToRead);</highlight></codeline>
<codeline lineno="130"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a6e76de59bbda9e5378daadbc3c0403f5" kindref="member">offsetInBlock</ref><sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a6e76de59bbda9e5378daadbc3c0403f5" kindref="member">offsetInBlock</ref>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1af5243b05cc585ca879aab08118f0d8b1" kindref="member">plainStreamPosition</ref>);</highlight></codeline>
<codeline lineno="131"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>System.arraycopy(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1aee2292a86972a7088e11e8e9448f1b08" kindref="member">currentPlainBlock</ref>,<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a6e76de59bbda9e5378daadbc3c0403f5" kindref="member">offsetInBlock</ref>,<sp/>b,<sp/>resultBufferOffset,<sp/>bytesToCopy);</highlight></codeline>
<codeline lineno="132"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>totalBytesRead<sp/>+=<sp/>bytesToCopy;</highlight></codeline>
<codeline lineno="133"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>remainingBytesToRead<sp/>-=<sp/>bytesToCopy;</highlight></codeline>
<codeline lineno="134"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>resultBufferOffset<sp/>+=<sp/>bytesToCopy;</highlight></codeline>
<codeline lineno="135"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>this.plainStreamPosition<sp/>+=<sp/>bytesToCopy;</highlight></codeline>
<codeline lineno="136"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a7b7f0ed6071174b5f3a0f5853be68394" kindref="member">available</ref>()<sp/>&gt;<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="137"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a2a4f2fb01c1656debd48de2050e31666" kindref="member">decryptBlock</ref>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" kindref="member">blockIndex</ref>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1af5243b05cc585ca879aab08118f0d8b1" kindref="member">plainStreamPosition</ref>));</highlight></codeline>
<codeline lineno="138"><highlight class="normal"></highlight></codeline>
<codeline lineno="139"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline lineno="140"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="141"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="142"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="143"><highlight class="normal"></highlight></codeline>
<codeline lineno="144"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>return<sp/>-1<sp/>for<sp/>EOF</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="145"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>totalBytesRead<sp/>&gt;<sp/>0<sp/>?<sp/>totalBytesRead<sp/>:<sp/>-1;</highlight></codeline>
<codeline lineno="146"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="147"><highlight class="normal"></highlight></codeline>
<codeline lineno="148"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="149" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a38e5e5f10f8bee1035fe728fe71837eb" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a38e5e5f10f8bee1035fe728fe71837eb" kindref="member">seek</ref>(</highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>newPos)<sp/></highlight><highlight class="keywordflow">throws</highlight><highlight class="normal"><sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="150"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(newPos<sp/>&lt;<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="151"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">throw</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">new</highlight><highlight class="normal"><sp/>IOException(</highlight><highlight class="stringliteral">&quot;Invalid<sp/>position:<sp/>&quot;</highlight><highlight class="normal"><sp/>+<sp/>newPos);</highlight></codeline>
<codeline lineno="152"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(newPos<sp/>&gt;<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1aaf26b758cfd16ae559791ebe9bbb06f8" kindref="member">plainStreamSize</ref>)<sp/>{</highlight></codeline>
<codeline lineno="153"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">throw</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">new</highlight><highlight class="normal"><sp/>EOFException(</highlight></codeline>
<codeline lineno="154"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="stringliteral">&quot;Invalid<sp/>position:<sp/>&quot;</highlight><highlight class="normal"><sp/>+<sp/>newPos<sp/>+<sp/></highlight><highlight class="stringliteral">&quot;<sp/>&gt;<sp/>stream<sp/>length,<sp/>&quot;</highlight><highlight class="normal"><sp/>+<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1aaf26b758cfd16ae559791ebe9bbb06f8" kindref="member">plainStreamSize</ref>);</highlight></codeline>
<codeline lineno="155"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="156"><highlight class="normal"></highlight></codeline>
<codeline lineno="157"><highlight class="normal"><sp/><sp/><sp/><sp/>this.plainStreamPosition<sp/>=<sp/>newPos;</highlight></codeline>
<codeline lineno="158"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="159"><highlight class="normal"></highlight></codeline>
<codeline lineno="160"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="161" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a2d5b4aa6e0ebdf5e85202aeebef6f633" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a2d5b4aa6e0ebdf5e85202aeebef6f633" kindref="member">skip</ref>(</highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>n)<sp/>{</highlight></codeline>
<codeline lineno="162"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(n<sp/>&lt;=<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="163"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="164"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="165"><highlight class="normal"></highlight></codeline>
<codeline lineno="166"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>bytesLeftInStream<sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1aaf26b758cfd16ae559791ebe9bbb06f8" kindref="member">plainStreamSize</ref><sp/>-<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1af5243b05cc585ca879aab08118f0d8b1" kindref="member">plainStreamPosition</ref>;</highlight></codeline>
<codeline lineno="167"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(n<sp/>&gt;<sp/>bytesLeftInStream)<sp/>{</highlight></codeline>
<codeline lineno="168"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>skip<sp/>the<sp/>rest<sp/>of<sp/>the<sp/>stream</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="169"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>this.plainStreamPosition<sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1aaf26b758cfd16ae559791ebe9bbb06f8" kindref="member">plainStreamSize</ref>;</highlight></codeline>
<codeline lineno="170"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>bytesLeftInStream;</highlight></codeline>
<codeline lineno="171"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="172"><highlight class="normal"></highlight></codeline>
<codeline lineno="173"><highlight class="normal"><sp/><sp/><sp/><sp/>this.plainStreamPosition<sp/>+=<sp/>n;</highlight></codeline>
<codeline lineno="174"><highlight class="normal"></highlight></codeline>
<codeline lineno="175"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>n;</highlight></codeline>
<codeline lineno="176"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="177"><highlight class="normal"></highlight></codeline>
<codeline lineno="178"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="179" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a891415f3ff21dff1a1a1e8d4675d425d" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a891415f3ff21dff1a1a1e8d4675d425d" kindref="member">getPos</ref>()<sp/>throws<sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="180"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1af5243b05cc585ca879aab08118f0d8b1" kindref="member">plainStreamPosition</ref>;</highlight></codeline>
<codeline lineno="181"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="182"><highlight class="normal"></highlight></codeline>
<codeline lineno="183"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="184" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a784c04a619f6b29e60388c277a6852b5" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a784c04a619f6b29e60388c277a6852b5" kindref="member">read</ref>()<sp/>throws<sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="185"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a784c04a619f6b29e60388c277a6852b5" kindref="member">read</ref><sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a784c04a619f6b29e60388c277a6852b5" kindref="member">read</ref>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a335c7eaf124ebd5e3c46ebc74c978e5e" kindref="member">singleByte</ref>);</highlight></codeline>
<codeline lineno="186"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a784c04a619f6b29e60388c277a6852b5" kindref="member">read</ref><sp/>==<sp/>-1)<sp/>{</highlight></codeline>
<codeline lineno="187"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>-1;</highlight></codeline>
<codeline lineno="188"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="189"><highlight class="normal"></highlight></codeline>
<codeline lineno="190"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a335c7eaf124ebd5e3c46ebc74c978e5e" kindref="member">singleByte</ref>[0]<sp/>&gt;=<sp/>0<sp/>?<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a335c7eaf124ebd5e3c46ebc74c978e5e" kindref="member">singleByte</ref>[0]<sp/>:<sp/>256<sp/>+<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a335c7eaf124ebd5e3c46ebc74c978e5e" kindref="member">singleByte</ref>[0];</highlight></codeline>
<codeline lineno="191"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="192"><highlight class="normal"></highlight></codeline>
<codeline lineno="193"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="194" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a77a9e1ea9c0debe08a074523d5ec598a" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a77a9e1ea9c0debe08a074523d5ec598a" kindref="member">close</ref>()<sp/>throws<sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="195"><highlight class="normal"><sp/><sp/><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a9d7ff7f1758347ea583a9b91129911bf" kindref="member">sourceStream</ref>.close();</highlight></codeline>
<codeline lineno="196"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="197"><highlight class="normal"></highlight></codeline>
<codeline lineno="198" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a2a4f2fb01c1656debd48de2050e31666" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a2a4f2fb01c1656debd48de2050e31666" kindref="member">decryptBlock</ref>(</highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" kindref="member">blockIndex</ref>)<sp/></highlight><highlight class="keywordflow">throws</highlight><highlight class="normal"><sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="199"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" kindref="member">blockIndex</ref><sp/>==<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a60765e91ac5e395b68f5bf479275b94b" kindref="member">currentPlainBlockIndex</ref>)<sp/>{</highlight></codeline>
<codeline lineno="200"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="201"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="202"><highlight class="normal"></highlight></codeline>
<codeline lineno="203"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>blockPositionInStream<sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1ab690eedd88e9dd8afd979a3d4f5d8f35" kindref="member">blockOffset</ref>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" kindref="member">blockIndex</ref>);</highlight></codeline>
<codeline lineno="204"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a9d7ff7f1758347ea583a9b91129911bf" kindref="member">sourceStream</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1SeekableInputStream_1a893338e830639b8930a981e26bb78880" kindref="member">getPos</ref>()<sp/>!=<sp/>blockPositionInStream)<sp/>{</highlight></codeline>
<codeline lineno="205"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a9d7ff7f1758347ea583a9b91129911bf" kindref="member">sourceStream</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1SeekableInputStream_1a893338e830639b8930a981e26bb78880" kindref="member">getPos</ref>()<sp/>==<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="206"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a5c08ae329e74162822ddc79e4261f246" kindref="member">validateHeader</ref>();</highlight></codeline>
<codeline lineno="207"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="208"><highlight class="normal"></highlight></codeline>
<codeline lineno="209"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a9d7ff7f1758347ea583a9b91129911bf" kindref="member">sourceStream</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1SeekableInputStream_1a802ab0b3c840e61a7c0b0a7df16eae14" kindref="member">seek</ref>(blockPositionInStream);</highlight></codeline>
<codeline lineno="210"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="211"><highlight class="normal"></highlight></codeline>
<codeline lineno="212"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">boolean</highlight><highlight class="normal"><sp/>isLastBlock<sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" kindref="member">blockIndex</ref><sp/>==<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1afcee025333145beaa032b4c20684e98c" kindref="member">numBlocks</ref><sp/>-<sp/>1;</highlight></codeline>
<codeline lineno="213"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>cipherBlockSize<sp/>=<sp/>isLastBlock<sp/>?<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1ac9ce30c08980f32f04eed4de4c78212e" kindref="member">lastCipherBlockSize</ref><sp/>:<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1a2a4d300008785c579de559c21ce74f57" kindref="member">CIPHER_BLOCK_SIZE</ref>;</highlight></codeline>
<codeline lineno="214"><highlight class="normal"><sp/><sp/><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1IOUtil" kindref="compound">IOUtil</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1IOUtil_1a0e12ad68e802dc0cce0dbc0ae02808b0" kindref="member">readFully</ref>(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a9d7ff7f1758347ea583a9b91129911bf" kindref="member">sourceStream</ref>,<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1ace11be7719519ae3e6f63b0696c181ed" kindref="member">cipherBlockBuffer</ref>,<sp/>0,<sp/>cipherBlockSize);</highlight></codeline>
<codeline lineno="215"><highlight class="normal"></highlight></codeline>
<codeline lineno="216"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/>blockAAD<sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.streamBlockAAD(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a0dc84d6a7e571dae964123b86d356bcc" kindref="member">fileAADPrefix</ref>,<sp/>Math.toIntExact(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" kindref="member">blockIndex</ref>));</highlight></codeline>
<codeline lineno="217"><highlight class="normal"><sp/><sp/><sp/><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a066e04cad4b3f2dc8dc1eddc44d4bd96" kindref="member">decryptor</ref>.decrypt(<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1ace11be7719519ae3e6f63b0696c181ed" kindref="member">cipherBlockBuffer</ref>,<sp/>0,<sp/>cipherBlockSize,<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1aee2292a86972a7088e11e8e9448f1b08" kindref="member">currentPlainBlock</ref>,<sp/>0,<sp/>blockAAD);</highlight></codeline>
<codeline lineno="218"><highlight class="normal"><sp/><sp/><sp/><sp/>this.currentPlainBlockSize<sp/>=<sp/>cipherBlockSize<sp/>-<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1aa12a6ba14079e80e1abec13b04367307" kindref="member">NONCE_LENGTH</ref><sp/>-<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1aa34339b5a87169b5689d5c432ce72a2a" kindref="member">GCM_TAG_LENGTH</ref>;</highlight></codeline>
<codeline lineno="219"><highlight class="normal"><sp/><sp/><sp/><sp/>this.currentPlainBlockIndex<sp/>=<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" kindref="member">blockIndex</ref>;</highlight></codeline>
<codeline lineno="220"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="221"><highlight class="normal"></highlight></codeline>
<codeline lineno="222" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" kindref="member">blockIndex</ref>(</highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>plainPosition)<sp/>{</highlight></codeline>
<codeline lineno="223"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>plainPosition<sp/>/<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1addaca706c7613408f338481e5bf20643" kindref="member">PLAIN_BLOCK_SIZE</ref>;</highlight></codeline>
<codeline lineno="224"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="225"><highlight class="normal"></highlight></codeline>
<codeline lineno="226" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a6e76de59bbda9e5378daadbc3c0403f5" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a6e76de59bbda9e5378daadbc3c0403f5" kindref="member">offsetInBlock</ref>(</highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>plainPosition)<sp/>{</highlight></codeline>
<codeline lineno="227"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>Math.toIntExact(plainPosition<sp/>%<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1addaca706c7613408f338481e5bf20643" kindref="member">PLAIN_BLOCK_SIZE</ref>);</highlight></codeline>
<codeline lineno="228"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="229"><highlight class="normal"></highlight></codeline>
<codeline lineno="230" refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1ab690eedd88e9dd8afd979a3d4f5d8f35" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1ab690eedd88e9dd8afd979a3d4f5d8f35" kindref="member">blockOffset</ref>(</highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" kindref="member">blockIndex</ref>)<sp/>{</highlight></codeline>
<codeline lineno="231"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1AesGcmInputStream_1a65361b14ca43d5618a1ca513bd31ca17" kindref="member">blockIndex</ref><sp/>*<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers_1a2a4d300008785c579de559c21ce74f57" kindref="member">CIPHER_BLOCK_SIZE</ref><sp/>+<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.GCM_STREAM_HEADER_LENGTH;</highlight></codeline>
<codeline lineno="232"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="233"><highlight class="normal"></highlight></codeline>
<codeline lineno="234"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>calculatePlaintextLength(</highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>sourceLength)<sp/>{</highlight></codeline>
<codeline lineno="235"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>streamLength<sp/>=<sp/>sourceLength<sp/>-<sp/><ref refid="classorg_1_1apache_1_1iceberg_1_1encryption_1_1Ciphers" kindref="compound">Ciphers</ref>.GCM_STREAM_HEADER_LENGTH;</highlight></codeline>
<codeline lineno="236"><highlight class="normal"></highlight></codeline>
<codeline lineno="237"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(streamLength<sp/>==<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="238"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="239"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="240"><highlight class="normal"></highlight></codeline>
<codeline lineno="241"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>numberOfFullBlocks<sp/>=<sp/>streamLength<sp/>/<sp/>Ciphers.CIPHER_BLOCK_SIZE;</highlight></codeline>
<codeline lineno="242"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>fullBlockSize<sp/>=<sp/>numberOfFullBlocks<sp/>*<sp/>Ciphers.CIPHER_BLOCK_SIZE;</highlight></codeline>
<codeline lineno="243"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>cipherBytesInLastBlock<sp/>=<sp/>streamLength<sp/>-<sp/>fullBlockSize;</highlight></codeline>
<codeline lineno="244"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">boolean</highlight><highlight class="normal"><sp/>fullBlocksOnly<sp/>=<sp/>(0<sp/>==<sp/>cipherBytesInLastBlock);</highlight></codeline>
<codeline lineno="245"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>plainBytesInLastBlock<sp/>=</highlight></codeline>
<codeline lineno="246"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>fullBlocksOnly</highlight></codeline>
<codeline lineno="247"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>?<sp/>0</highlight></codeline>
<codeline lineno="248"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>:<sp/>(cipherBytesInLastBlock<sp/>-<sp/>Ciphers.NONCE_LENGTH<sp/>-<sp/>Ciphers.GCM_TAG_LENGTH);</highlight></codeline>
<codeline lineno="249"><highlight class="normal"></highlight></codeline>
<codeline lineno="250"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>(numberOfFullBlocks<sp/>*<sp/>Ciphers.PLAIN_BLOCK_SIZE)<sp/>+<sp/>plainBytesInLastBlock;</highlight></codeline>
<codeline lineno="251"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="252"><highlight class="normal">}</highlight></codeline>
    </programlisting>
    <location file="core/src/main/java/org/apache/iceberg/encryption/AesGcmInputStream.java"/>
  </compounddef>
</doxygen>