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<div id="projectname">libaaruformat<span id="projectnumber">&#160;1.0</span>
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<div id="projectbrief">Aaru Data Preservation Suite - Format Library</div>
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<a href="wiiu__crypto_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * This file is part of the Aaru Data Preservation Suite.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Copyright (c) 2019-2026 Natalia Portillo.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * This library is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * it under the terms of the GNU Lesser General Public License as</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * published by the Free Software Foundation; version 2.1 of the License.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * This library is distributed in the hope that it will be useful, but</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> *</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * License along with this library; if not, see</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * &lt;https://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> *</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> * Wii U disc encryption: partition key map, encrypt/decrypt, serialization.</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="comment"> */</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;stdint.h&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &lt;<a class="code" href="aaruformat_8h.html">aaruformat.h</a>&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include &quot;<a class="code" href="aes128_8h.html">../lib/aes128.h</a>&quot;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include &quot;<a class="code" href="wiiu__crypto_8h.html">wiiu_crypto.h</a>&quot;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="comment">/* Read a little-endian uint32 from a byte buffer. */</span></div>
<div class="foldopen" id="foldopen00031" data-start="{" data-end="}">
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"><a class="line" href="wiiu__crypto_8c.html#a2e85418928614df336b5df9f3c28cbc7"> 31</a></span><span class="keyword">static</span> uint32_t <a class="code hl_function" href="wiiu__crypto_8c.html#a2e85418928614df336b5df9f3c28cbc7">read_le32</a>(<span class="keyword">const</span> uint8_t *p)</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span>{ <span class="keywordflow">return</span> (uint32_t)p[0] | ((uint32_t)p[1] &lt;&lt; 8) | ((uint32_t)p[2] &lt;&lt; 16) | ((uint32_t)p[3] &lt;&lt; 24); }</div>
</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="comment">/* Write a little-endian uint32 to a byte buffer. */</span></div>
<div class="foldopen" id="foldopen00035" data-start="{" data-end="}">
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="wiiu__crypto_8c.html#a4ed80664538efb908d3c161aec613612"> 35</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="wiiu__crypto_8c.html#a4ed80664538efb908d3c161aec613612">write_le32</a>(uint8_t *p, uint32_t v)</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span>{</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> p[0] = (uint8_t)(v &amp; 0xFF);</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> p[1] = (uint8_t)((v &gt;&gt; 8) &amp; 0xFF);</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> p[2] = (uint8_t)((v &gt;&gt; 16) &amp; 0xFF);</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> p[3] = (uint8_t)((v &gt;&gt; 24) &amp; 0xFF);</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>}</div>
</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="foldopen" id="foldopen00043" data-start="{" data-end="}">
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="wiiu__crypto_8c.html#ad545b76f7c59ef6f446fb1eb0dffae51"> 43</a></span><span class="keyword">const</span> uint8_t *<a class="code hl_function" href="wiiu__crypto_8c.html#ad545b76f7c59ef6f446fb1eb0dffae51">wiiu_get_sector_key</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structWiiuPartitionRegion.html">WiiuPartitionRegion</a> *regions, uint32_t region_count, uint64_t logical_sector)</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>{</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">if</span>(regions == NULL || region_count == 0) <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="comment">/* Convert logical (2048-byte) sector to physical (0x8000-byte) sector */</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> uint64_t phys_sector = logical_sector / <a class="code hl_define" href="wiiu__crypto_8h.html#ae5a3916c486e8afd292c8ea9bebef9fd">WIIU_LOGICAL_PER_PHYSICAL</a>;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="comment">/* Disc header sectors (0-2) are always plaintext */</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">if</span>(phys_sector &lt; <a class="code hl_define" href="wiiu__crypto_8h.html#a3a88817f94211137ebdaa908f6196ecd">WIIU_HEADER_PHYSICAL_SECTORS</a>) <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">for</span>(uint32_t i = 0; i &lt; region_count; i++)</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> {</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">if</span>(phys_sector &gt;= regions[i].start_sector &amp;&amp; phys_sector &lt; regions[i].end_sector)</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="comment">/* Partition header sector is plaintext */</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">if</span>(phys_sector == regions[i].start_sector) <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="comment">/* Encrypted with this partition&#39;s key */</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">return</span> regions[i].<a class="code hl_variable" href="structWiiuPartitionRegion.html#a1f9ac975963490a111efa7bf377328d5">key</a>;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> }</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> }</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="comment">/* Outside any known partition — treat as plaintext */</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span>}</div>
</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="foldopen" id="foldopen00069" data-start="{" data-end="}">
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"><a class="line" href="wiiu__crypto_8c.html#af0811dc6f276a4f6accae2b62e5d462c"> 69</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="wiiu__crypto_8c.html#af0811dc6f276a4f6accae2b62e5d462c">wiiu_is_sector_encrypted</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structWiiuPartitionRegion.html">WiiuPartitionRegion</a> *regions, uint32_t region_count, uint64_t logical_sector)</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span>{ <span class="keywordflow">return</span> <a class="code hl_function" href="wiiu__crypto_8c.html#ad545b76f7c59ef6f446fb1eb0dffae51">wiiu_get_sector_key</a>(regions, region_count, logical_sector) != NULL; }</div>
</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="foldopen" id="foldopen00072" data-start="{" data-end="}">
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="wiiu__crypto_8c.html#a50434d7209fe488e67c983d276bd002c"> 72</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="wiiu__crypto_8c.html#a50434d7209fe488e67c983d276bd002c">wiiu_encrypt_physical_sector</a>(<span class="keyword">const</span> uint8_t key[16], uint8_t *data, uint32_t length)</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>{</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> uint8_t iv[16];</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> memset(iv, 0, <span class="keyword">sizeof</span>(iv));</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <a class="code hl_function" href="aes128_8c.html#ae5b59a027bc443c26cc5626455d77eb9">aes128_cbc_encrypt</a>(key, iv, data, length);</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span>}</div>
</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="foldopen" id="foldopen00079" data-start="{" data-end="}">
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"><a class="line" href="wiiu__crypto_8c.html#a8ce6ebfefba6603f42b675ff66111a60"> 79</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="wiiu__crypto_8c.html#a8ce6ebfefba6603f42b675ff66111a60">wiiu_decrypt_physical_sector</a>(<span class="keyword">const</span> uint8_t key[16], uint8_t *data, uint32_t length)</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>{</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> uint8_t iv[16];</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> memset(iv, 0, <span class="keyword">sizeof</span>(iv));</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <a class="code hl_function" href="aes128_8c.html#a86c652b61efa48d45729e9eea1bab8b1">aes128_cbc_decrypt</a>(key, iv, data, length);</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span>}</div>
</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="foldopen" id="foldopen00086" data-start="{" data-end="}">
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"><a class="line" href="wiiu__crypto_8c.html#ab41b22d7e44eea39171cb2fcf07b3f7e"> 86</a></span>int32_t <a class="code hl_function" href="wiiu__crypto_8c.html#ab41b22d7e44eea39171cb2fcf07b3f7e">wiiu_serialize_partition_key_map</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structWiiuPartitionRegion.html">WiiuPartitionRegion</a> *regions, uint32_t count, uint8_t **out_data,</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> uint32_t *out_len)</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span>{</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">if</span>(out_data == NULL || out_len == NULL) <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">if</span>(count &gt; <a class="code hl_define" href="wiiu__crypto_8h.html#ae77e5265ba4f2fad10f02f7ee2b614a6">WIIU_MAX_PARTITIONS</a>) <span class="keywordflow">return</span> -3;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="comment">/* 4 bytes for count + 24 bytes per entry (4 start + 4 end + 16 key) */</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> uint32_t size = 4 + count * 24;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> uint8_t *buf = (uint8_t *)malloc(size);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">if</span>(buf == NULL) <span class="keywordflow">return</span> -4;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <a class="code hl_function" href="wiiu__crypto_8c.html#a4ed80664538efb908d3c161aec613612">write_le32</a>(buf, count);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">for</span>(uint32_t i = 0; i &lt; count; i++)</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> {</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> uint32_t offset = 4 + i * 24;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <a class="code hl_function" href="wiiu__crypto_8c.html#a4ed80664538efb908d3c161aec613612">write_le32</a>(buf + offset, regions[i].start_sector);</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <a class="code hl_function" href="wiiu__crypto_8c.html#a4ed80664538efb908d3c161aec613612">write_le32</a>(buf + offset + 4, regions[i].end_sector);</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> memcpy(buf + offset + 8, regions[i].key, 16);</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> }</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> *out_data = buf;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> *out_len = size;</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span>}</div>
</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="foldopen" id="foldopen00112" data-start="{" data-end="}">
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"><a class="line" href="wiiu__crypto_8c.html#a56ef715248dfeaef2a1d78400449c27b"> 112</a></span>int32_t <a class="code hl_function" href="wiiu__crypto_8c.html#a56ef715248dfeaef2a1d78400449c27b">wiiu_deserialize_partition_key_map</a>(<span class="keyword">const</span> uint8_t *data, uint32_t data_len, <a class="code hl_struct" href="structWiiuPartitionRegion.html">WiiuPartitionRegion</a> **regions,</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> uint32_t *count)</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span>{</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">if</span>(data == NULL || regions == NULL || count == NULL) <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">if</span>(data_len &lt; 4) <span class="keywordflow">return</span> -2;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> uint32_t region_count = <a class="code hl_function" href="wiiu__crypto_8c.html#a2e85418928614df336b5df9f3c28cbc7">read_le32</a>(data);</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">if</span>(region_count &gt; <a class="code hl_define" href="wiiu__crypto_8h.html#ae77e5265ba4f2fad10f02f7ee2b614a6">WIIU_MAX_PARTITIONS</a>) <span class="keywordflow">return</span> -3;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">if</span>(region_count == 0)</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> {</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> *regions = NULL;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> *count = 0;</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> }</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> uint32_t required = 4 + region_count * 24;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">if</span>(data_len &lt; required) <span class="keywordflow">return</span> -2;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <a class="code hl_struct" href="structWiiuPartitionRegion.html">WiiuPartitionRegion</a> *r = (<a class="code hl_struct" href="structWiiuPartitionRegion.html">WiiuPartitionRegion</a> *)malloc(region_count * <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structWiiuPartitionRegion.html">WiiuPartitionRegion</a>));</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordflow">if</span>(r == NULL) <span class="keywordflow">return</span> -4;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">for</span>(uint32_t i = 0; i &lt; region_count; i++)</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> {</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> uint32_t offset = 4 + i * 24;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> r[i].<a class="code hl_variable" href="structWiiuPartitionRegion.html#a7dc95ceb3b28bb544087cdf3d2f4d415">start_sector</a> = <a class="code hl_function" href="wiiu__crypto_8c.html#a2e85418928614df336b5df9f3c28cbc7">read_le32</a>(data + offset);</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> r[i].<a class="code hl_variable" href="structWiiuPartitionRegion.html#ab6769e9f2f952526ecd2638badc5a1b0">end_sector</a> = <a class="code hl_function" href="wiiu__crypto_8c.html#a2e85418928614df336b5df9f3c28cbc7">read_le32</a>(data + offset + 4);</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> memcpy(r[i].key, data + offset + 8, 16);</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">if</span>(r[i].start_sector &gt;= r[i].end_sector)</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> {</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> memset(r, 0, region_count * <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structWiiuPartitionRegion.html">WiiuPartitionRegion</a>));</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> free(r);</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">return</span> -5;</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> }</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> }</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> *regions = r;</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> *count = region_count;</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span>}</div>
</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="foldopen" id="foldopen00155" data-start="{" data-end="}">
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"><a class="line" href="wiiu__crypto_8c.html#a791f63da879f72714851b7c7fb707b77"> 155</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="wiiu__crypto_8c.html#a791f63da879f72714851b7c7fb707b77">wiiu_lazy_init</a>(<a class="code hl_struct" href="structaaruformat__context.html">aaruformat_context</a> *ctx)</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span>{</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">if</span>(ctx == NULL) <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="comment">/* Read disc key from media tags */</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordflow">if</span>(ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#a8c1021af5f2c1b0a14fb5b559294975f">wiiu_disc_key</a> == NULL)</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> {</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <a class="code hl_struct" href="structmediaTagEntry.html">mediaTagEntry</a> *item = NULL;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> int32_t tag = <a class="code hl_enumvalue" href="group__MediaTags.html#ggabdd09c559df8f34ae68fcb2ff1892ebea2c5a5b52dd89009f922c448afd98cfed">kMediaTagWiiUDiscKey</a>;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> HASH_FIND_INT(ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#a8b769e9fb9467aa11d4a2936cf5cf5ed">mediaTags</a>, &amp;tag, item);</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">if</span>(item != NULL &amp;&amp; item-&gt;<a class="code hl_variable" href="structmediaTagEntry.html#aa96c6684fd98145d0089d72957d2afa7">length</a> == 16)</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> {</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#a8c1021af5f2c1b0a14fb5b559294975f">wiiu_disc_key</a> = (uint8_t *)malloc(16);</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">if</span>(ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#a8c1021af5f2c1b0a14fb5b559294975f">wiiu_disc_key</a> != NULL) memcpy(ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#a8c1021af5f2c1b0a14fb5b559294975f">wiiu_disc_key</a>, item-&gt;<a class="code hl_variable" href="structmediaTagEntry.html#a334fc65b37efdfb624e804e98c398927">data</a>, 16);</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> }</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> }</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="comment">/* Read and deserialize partition key map from media tags */</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">if</span>(ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#a12239886f41707864eafb8e2d5a79cb9">wiiu_partition_regions</a> == NULL)</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> {</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <a class="code hl_struct" href="structmediaTagEntry.html">mediaTagEntry</a> *item = NULL;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> int32_t tag = <a class="code hl_enumvalue" href="group__MediaTags.html#ggabdd09c559df8f34ae68fcb2ff1892ebea2d467dc8697ebbb5ec870c02be8772a6">kMediaTagWiiUPartitionKeyMap</a>;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> HASH_FIND_INT(ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#a8b769e9fb9467aa11d4a2936cf5cf5ed">mediaTags</a>, &amp;tag, item);</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keywordflow">if</span>(item != NULL &amp;&amp; item-&gt;<a class="code hl_variable" href="structmediaTagEntry.html#aa96c6684fd98145d0089d72957d2afa7">length</a> &gt;= 4)</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <a class="code hl_struct" href="structWiiuPartitionRegion.html">WiiuPartitionRegion</a> *regions = NULL;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> uint32_t count = 0;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordflow">if</span>(<a class="code hl_function" href="wiiu__crypto_8c.html#a56ef715248dfeaef2a1d78400449c27b">wiiu_deserialize_partition_key_map</a>(item-&gt;<a class="code hl_variable" href="structmediaTagEntry.html#a334fc65b37efdfb624e804e98c398927">data</a>, item-&gt;<a class="code hl_variable" href="structmediaTagEntry.html#aa96c6684fd98145d0089d72957d2afa7">length</a>, &amp;regions, &amp;count) == 0)</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> {</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#a12239886f41707864eafb8e2d5a79cb9">wiiu_partition_regions</a> = regions;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#a1d6387bb1c83151c5096beb51de37a8d">wiiu_partition_region_count</a> = count;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> }</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> }</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> }</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="comment">/* Allocate the encrypted block cache if needed */</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keywordflow">if</span>(ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#a35916280b5c71a844f41aeaf4cc28a3e">wiiu_encrypted_block_cache</a> == NULL)</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> {</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#a35916280b5c71a844f41aeaf4cc28a3e">wiiu_encrypted_block_cache</a> = (uint8_t *)malloc(<a class="code hl_define" href="wiiu__crypto_8h.html#a1445016762d8e7fe5a0220e3cdded2d3">WIIU_CRYPTO_SECTOR_SIZE</a>);</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> ctx-&gt;<a class="code hl_variable" href="structaaruformat__context.html#adc79d62a5bbb4d1db9aa35a36e0d2396">wiiu_cache_valid</a> = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> }</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span>}</div>
</div>
<div class="ttc" id="aaaruformat_8h_html"><div class="ttname"><a href="aaruformat_8h.html">aaruformat.h</a></div></div>
<div class="ttc" id="aaes128_8c_html_a86c652b61efa48d45729e9eea1bab8b1"><div class="ttname"><a href="aes128_8c.html#a86c652b61efa48d45729e9eea1bab8b1">aes128_cbc_decrypt</a></div><div class="ttdeci">void aes128_cbc_decrypt(const uint8_t key[16], const uint8_t iv[16], uint8_t *data, uint32_t length)</div><div class="ttdoc">AES-128 CBC decrypt data in-place.</div><div class="ttdef"><b>Definition</b> <a href="aes128_8c_source.html#l00290">aes128.c:290</a></div></div>
<div class="ttc" id="aaes128_8c_html_ae5b59a027bc443c26cc5626455d77eb9"><div class="ttname"><a href="aes128_8c.html#ae5b59a027bc443c26cc5626455d77eb9">aes128_cbc_encrypt</a></div><div class="ttdeci">void aes128_cbc_encrypt(const uint8_t key[16], const uint8_t iv[16], uint8_t *data, uint32_t length)</div><div class="ttdoc">AES-128 CBC encrypt data in-place.</div><div class="ttdef"><b>Definition</b> <a href="aes128_8c_source.html#l00274">aes128.c:274</a></div></div>
<div class="ttc" id="aaes128_8h_html"><div class="ttname"><a href="aes128_8h.html">aes128.h</a></div></div>
<div class="ttc" id="agroup__MediaTags_html_ggabdd09c559df8f34ae68fcb2ff1892ebea2c5a5b52dd89009f922c448afd98cfed"><div class="ttname"><a href="group__MediaTags.html#ggabdd09c559df8f34ae68fcb2ff1892ebea2c5a5b52dd89009f922c448afd98cfed">kMediaTagWiiUDiscKey</a></div><div class="ttdeci">@ kMediaTagWiiUDiscKey</div><div class="ttdoc">Nintendo Wii U disc key (16 bytes, from non-readable disc area).</div><div class="ttdef"><b>Definition</b> <a href="aaru_8h_source.html#l01079">aaru.h:1079</a></div></div>
<div class="ttc" id="agroup__MediaTags_html_ggabdd09c559df8f34ae68fcb2ff1892ebea2d467dc8697ebbb5ec870c02be8772a6"><div class="ttname"><a href="group__MediaTags.html#ggabdd09c559df8f34ae68fcb2ff1892ebea2d467dc8697ebbb5ec870c02be8772a6">kMediaTagWiiUPartitionKeyMap</a></div><div class="ttdeci">@ kMediaTagWiiUPartitionKeyMap</div><div class="ttdoc">Nintendo Wii U partition-to-key mapping with regions.</div><div class="ttdef"><b>Definition</b> <a href="aaru_8h_source.html#l01085">aaru.h:1085</a></div></div>
<div class="ttc" id="astructWiiuPartitionRegion_html"><div class="ttname"><a href="structWiiuPartitionRegion.html">WiiuPartitionRegion</a></div><div class="ttdoc">A Wii U partition region entry (in-memory representation).</div><div class="ttdef"><b>Definition</b> <a href="wiiu__crypto_8h_source.html#l00048">wiiu_crypto.h:49</a></div></div>
<div class="ttc" id="astructWiiuPartitionRegion_html_a1f9ac975963490a111efa7bf377328d5"><div class="ttname"><a href="structWiiuPartitionRegion.html#a1f9ac975963490a111efa7bf377328d5">WiiuPartitionRegion::key</a></div><div class="ttdeci">uint8_t key[16]</div><div class="ttdoc">AES-128 key for encrypted sectors in this partition.</div><div class="ttdef"><b>Definition</b> <a href="wiiu__crypto_8h_source.html#l00052">wiiu_crypto.h:52</a></div></div>
<div class="ttc" id="astructWiiuPartitionRegion_html_a7dc95ceb3b28bb544087cdf3d2f4d415"><div class="ttname"><a href="structWiiuPartitionRegion.html#a7dc95ceb3b28bb544087cdf3d2f4d415">WiiuPartitionRegion::start_sector</a></div><div class="ttdeci">uint32_t start_sector</div><div class="ttdoc">First physical sector of partition (plaintext header).</div><div class="ttdef"><b>Definition</b> <a href="wiiu__crypto_8h_source.html#l00050">wiiu_crypto.h:50</a></div></div>
<div class="ttc" id="astructWiiuPartitionRegion_html_ab6769e9f2f952526ecd2638badc5a1b0"><div class="ttname"><a href="structWiiuPartitionRegion.html#ab6769e9f2f952526ecd2638badc5a1b0">WiiuPartitionRegion::end_sector</a></div><div class="ttdeci">uint32_t end_sector</div><div class="ttdoc">End physical sector (exclusive).</div><div class="ttdef"><b>Definition</b> <a href="wiiu__crypto_8h_source.html#l00051">wiiu_crypto.h:51</a></div></div>
<div class="ttc" id="astructaaruformat__context_html"><div class="ttname"><a href="structaaruformat__context.html">aaruformat_context</a></div><div class="ttdoc">Master context representing an open or in‑creation Aaru image.</div><div class="ttdef"><b>Definition</b> <a href="context_8h_source.html#l00174">context.h:175</a></div></div>
<div class="ttc" id="astructaaruformat__context_html_a12239886f41707864eafb8e2d5a79cb9"><div class="ttname"><a href="structaaruformat__context.html#a12239886f41707864eafb8e2d5a79cb9">aaruformat_context::wiiu_partition_regions</a></div><div class="ttdeci">void * wiiu_partition_regions</div><div class="ttdoc">Parsed WiiuPartitionRegion array, NULL if not loaded.</div><div class="ttdef"><b>Definition</b> <a href="context_8h_source.html#l00355">context.h:355</a></div></div>
<div class="ttc" id="astructaaruformat__context_html_a1d6387bb1c83151c5096beb51de37a8d"><div class="ttname"><a href="structaaruformat__context.html#a1d6387bb1c83151c5096beb51de37a8d">aaruformat_context::wiiu_partition_region_count</a></div><div class="ttdeci">uint32_t wiiu_partition_region_count</div><div class="ttdoc">Number of partition regions.</div><div class="ttdef"><b>Definition</b> <a href="context_8h_source.html#l00356">context.h:356</a></div></div>
<div class="ttc" id="astructaaruformat__context_html_a35916280b5c71a844f41aeaf4cc28a3e"><div class="ttname"><a href="structaaruformat__context.html#a35916280b5c71a844f41aeaf4cc28a3e">aaruformat_context::wiiu_encrypted_block_cache</a></div><div class="ttdeci">uint8_t * wiiu_encrypted_block_cache</div><div class="ttdoc">Cached re-encrypted 0x8000-byte physical sector.</div><div class="ttdef"><b>Definition</b> <a href="context_8h_source.html#l00358">context.h:358</a></div></div>
<div class="ttc" id="astructaaruformat__context_html_a8b769e9fb9467aa11d4a2936cf5cf5ed"><div class="ttname"><a href="structaaruformat__context.html#a8b769e9fb9467aa11d4a2936cf5cf5ed">aaruformat_context::mediaTags</a></div><div class="ttdeci">mediaTagEntry * mediaTags</div><div class="ttdoc">Hash table of extra media tags (uthash root).</div><div class="ttdef"><b>Definition</b> <a href="context_8h_source.html#l00267">context.h:267</a></div></div>
<div class="ttc" id="astructaaruformat__context_html_a8c1021af5f2c1b0a14fb5b559294975f"><div class="ttname"><a href="structaaruformat__context.html#a8c1021af5f2c1b0a14fb5b559294975f">aaruformat_context::wiiu_disc_key</a></div><div class="ttdeci">uint8_t * wiiu_disc_key</div><div class="ttdoc">Cached disc key (16 bytes), NULL if not loaded.</div><div class="ttdef"><b>Definition</b> <a href="context_8h_source.html#l00354">context.h:354</a></div></div>
<div class="ttc" id="astructaaruformat__context_html_adc79d62a5bbb4d1db9aa35a36e0d2396"><div class="ttname"><a href="structaaruformat__context.html#adc79d62a5bbb4d1db9aa35a36e0d2396">aaruformat_context::wiiu_cache_valid</a></div><div class="ttdeci">bool wiiu_cache_valid</div><div class="ttdoc">Whether the encrypted block cache is valid.</div><div class="ttdef"><b>Definition</b> <a href="context_8h_source.html#l00360">context.h:360</a></div></div>
<div class="ttc" id="astructmediaTagEntry_html"><div class="ttname"><a href="structmediaTagEntry.html">mediaTagEntry</a></div><div class="ttdoc">Hash table entry for an arbitrary media tag (e.g., proprietary drive/medium descriptor).</div><div class="ttdef"><b>Definition</b> <a href="context_8h_source.html#l00121">context.h:122</a></div></div>
<div class="ttc" id="astructmediaTagEntry_html_a334fc65b37efdfb624e804e98c398927"><div class="ttname"><a href="structmediaTagEntry.html#a334fc65b37efdfb624e804e98c398927">mediaTagEntry::data</a></div><div class="ttdeci">uint8_t * data</div><div class="ttdoc">Tag data blob (opaque to library core); length bytes long.</div><div class="ttdef"><b>Definition</b> <a href="context_8h_source.html#l00123">context.h:123</a></div></div>
<div class="ttc" id="astructmediaTagEntry_html_aa96c6684fd98145d0089d72957d2afa7"><div class="ttname"><a href="structmediaTagEntry.html#aa96c6684fd98145d0089d72957d2afa7">mediaTagEntry::length</a></div><div class="ttdeci">uint32_t length</div><div class="ttdoc">Length in bytes of data.</div><div class="ttdef"><b>Definition</b> <a href="context_8h_source.html#l00125">context.h:125</a></div></div>
<div class="ttc" id="awiiu__crypto_8c_html_a2e85418928614df336b5df9f3c28cbc7"><div class="ttname"><a href="wiiu__crypto_8c.html#a2e85418928614df336b5df9f3c28cbc7">read_le32</a></div><div class="ttdeci">static uint32_t read_le32(const uint8_t *p)</div><div class="ttdef"><b>Definition</b> <a href="#l00031">wiiu_crypto.c:31</a></div></div>
<div class="ttc" id="awiiu__crypto_8c_html_a4ed80664538efb908d3c161aec613612"><div class="ttname"><a href="wiiu__crypto_8c.html#a4ed80664538efb908d3c161aec613612">write_le32</a></div><div class="ttdeci">static void write_le32(uint8_t *p, uint32_t v)</div><div class="ttdef"><b>Definition</b> <a href="#l00035">wiiu_crypto.c:35</a></div></div>
<div class="ttc" id="awiiu__crypto_8c_html_a50434d7209fe488e67c983d276bd002c"><div class="ttname"><a href="wiiu__crypto_8c.html#a50434d7209fe488e67c983d276bd002c">wiiu_encrypt_physical_sector</a></div><div class="ttdeci">void wiiu_encrypt_physical_sector(const uint8_t key[16], uint8_t *data, uint32_t length)</div><div class="ttdoc">Encrypt a full 0x8000-byte physical sector in-place.</div><div class="ttdef"><b>Definition</b> <a href="#l00072">wiiu_crypto.c:72</a></div></div>
<div class="ttc" id="awiiu__crypto_8c_html_a56ef715248dfeaef2a1d78400449c27b"><div class="ttname"><a href="wiiu__crypto_8c.html#a56ef715248dfeaef2a1d78400449c27b">wiiu_deserialize_partition_key_map</a></div><div class="ttdeci">int32_t wiiu_deserialize_partition_key_map(const uint8_t *data, uint32_t data_len, WiiuPartitionRegion **regions, uint32_t *count)</div><div class="ttdoc">Deserialize a partition key map from a media tag buffer.</div><div class="ttdef"><b>Definition</b> <a href="#l00112">wiiu_crypto.c:112</a></div></div>
<div class="ttc" id="awiiu__crypto_8c_html_a791f63da879f72714851b7c7fb707b77"><div class="ttname"><a href="wiiu__crypto_8c.html#a791f63da879f72714851b7c7fb707b77">wiiu_lazy_init</a></div><div class="ttdeci">void wiiu_lazy_init(aaruformat_context *ctx)</div><div class="ttdoc">Lazy initialization: load disc key and partition key map from media tags.</div><div class="ttdef"><b>Definition</b> <a href="#l00155">wiiu_crypto.c:155</a></div></div>
<div class="ttc" id="awiiu__crypto_8c_html_a8ce6ebfefba6603f42b675ff66111a60"><div class="ttname"><a href="wiiu__crypto_8c.html#a8ce6ebfefba6603f42b675ff66111a60">wiiu_decrypt_physical_sector</a></div><div class="ttdeci">void wiiu_decrypt_physical_sector(const uint8_t key[16], uint8_t *data, uint32_t length)</div><div class="ttdoc">Decrypt a full 0x8000-byte physical sector in-place.</div><div class="ttdef"><b>Definition</b> <a href="#l00079">wiiu_crypto.c:79</a></div></div>
<div class="ttc" id="awiiu__crypto_8c_html_ab41b22d7e44eea39171cb2fcf07b3f7e"><div class="ttname"><a href="wiiu__crypto_8c.html#ab41b22d7e44eea39171cb2fcf07b3f7e">wiiu_serialize_partition_key_map</a></div><div class="ttdeci">int32_t wiiu_serialize_partition_key_map(const WiiuPartitionRegion *regions, uint32_t count, uint8_t **out_data, uint32_t *out_len)</div><div class="ttdoc">Serialize a partition key map for storage as a media tag.</div><div class="ttdef"><b>Definition</b> <a href="#l00086">wiiu_crypto.c:86</a></div></div>
<div class="ttc" id="awiiu__crypto_8c_html_ad545b76f7c59ef6f446fb1eb0dffae51"><div class="ttname"><a href="wiiu__crypto_8c.html#ad545b76f7c59ef6f446fb1eb0dffae51">wiiu_get_sector_key</a></div><div class="ttdeci">const uint8_t * wiiu_get_sector_key(const WiiuPartitionRegion *regions, uint32_t region_count, uint64_t logical_sector)</div><div class="ttdoc">Get the encryption key for a given logical sector (2048-byte).</div><div class="ttdef"><b>Definition</b> <a href="#l00043">wiiu_crypto.c:43</a></div></div>
<div class="ttc" id="awiiu__crypto_8c_html_af0811dc6f276a4f6accae2b62e5d462c"><div class="ttname"><a href="wiiu__crypto_8c.html#af0811dc6f276a4f6accae2b62e5d462c">wiiu_is_sector_encrypted</a></div><div class="ttdeci">bool wiiu_is_sector_encrypted(const WiiuPartitionRegion *regions, uint32_t region_count, uint64_t logical_sector)</div><div class="ttdoc">Check if a logical sector (2048-byte) is in an encrypted region.</div><div class="ttdef"><b>Definition</b> <a href="#l00069">wiiu_crypto.c:69</a></div></div>
<div class="ttc" id="awiiu__crypto_8h_html"><div class="ttname"><a href="wiiu__crypto_8h.html">wiiu_crypto.h</a></div></div>
<div class="ttc" id="awiiu__crypto_8h_html_a1445016762d8e7fe5a0220e3cdded2d3"><div class="ttname"><a href="wiiu__crypto_8h.html#a1445016762d8e7fe5a0220e3cdded2d3">WIIU_CRYPTO_SECTOR_SIZE</a></div><div class="ttdeci">#define WIIU_CRYPTO_SECTOR_SIZE</div><div class="ttdoc">Wii U physical sector size (32 KiB).</div><div class="ttdef"><b>Definition</b> <a href="wiiu__crypto_8h_source.html#l00035">wiiu_crypto.h:35</a></div></div>
<div class="ttc" id="awiiu__crypto_8h_html_a3a88817f94211137ebdaa908f6196ecd"><div class="ttname"><a href="wiiu__crypto_8h.html#a3a88817f94211137ebdaa908f6196ecd">WIIU_HEADER_PHYSICAL_SECTORS</a></div><div class="ttdeci">#define WIIU_HEADER_PHYSICAL_SECTORS</div><div class="ttdoc">Disc header occupies physical sectors 0-2 (plaintext).</div><div class="ttdef"><b>Definition</b> <a href="wiiu__crypto_8h_source.html#l00037">wiiu_crypto.h:37</a></div></div>
<div class="ttc" id="awiiu__crypto_8h_html_ae5a3916c486e8afd292c8ea9bebef9fd"><div class="ttname"><a href="wiiu__crypto_8h.html#ae5a3916c486e8afd292c8ea9bebef9fd">WIIU_LOGICAL_PER_PHYSICAL</a></div><div class="ttdeci">#define WIIU_LOGICAL_PER_PHYSICAL</div><div class="ttdoc">Number of 2048-byte logical sectors per physical sector.</div><div class="ttdef"><b>Definition</b> <a href="wiiu__crypto_8h_source.html#l00036">wiiu_crypto.h:36</a></div></div>
<div class="ttc" id="awiiu__crypto_8h_html_ae77e5265ba4f2fad10f02f7ee2b614a6"><div class="ttname"><a href="wiiu__crypto_8h.html#ae77e5265ba4f2fad10f02f7ee2b614a6">WIIU_MAX_PARTITIONS</a></div><div class="ttdeci">#define WIIU_MAX_PARTITIONS</div><div class="ttdoc">Maximum number of partitions supported.</div><div class="ttdef"><b>Definition</b> <a href="wiiu__crypto_8h_source.html#l00038">wiiu_crypto.h:38</a></div></div>
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