RadioLibSmol/_cryptography_8h_source.html
2023-07-15 17:14:12 +00:00

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<div class="title">Cryptography.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#if !defined(_RADIOLIB_CRYPTOGRAPHY_H)</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#define _RADIOLIB_CRYPTOGRAPHY_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160; </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="preprocessor">#include &quot;../TypeDef.h&quot;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &quot;../Module.h&quot;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160; </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// AES-128 constants</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#define RADIOLIB_AES128_BLOCK_SIZE (16)</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#define RADIOLIB_AES128_KEY_SIZE (RADIOLIB_AES128_BLOCK_SIZE)</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#define RADIOLIB_AES128_N_K ((RADIOLIB_AES128_BLOCK_SIZE) / sizeof(uint32_t))</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#define RADIOLIB_AES128_N_B (4)</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#define RADIOLIB_AES128_N_R (10)</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#define RADIOLIB_AES128_KEY_EXP_SIZE (176)</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment">// helper type</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="keyword">typedef</span> uint8_t state_t[4][4];</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">// AES lookup tables</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> uint8_t aesSbox[] RADIOLIB_NONVOLATILE = {</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;};</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> uint8_t aesSboxInv[] RADIOLIB_NONVOLATILE = {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38,</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda,</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02,</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea,</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20,</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31,</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d,</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0,</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;};</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> uint8_t aesRcon[] = { 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36 };</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; </div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="class_radio_lib_a_e_s128.html"> 97</a></span>&#160;<span class="keyword">class </span><a class="code" href="class_radio_lib_a_e_s128.html">RadioLibAES128</a> {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <a class="code" href="class_radio_lib_a_e_s128.html#a11f816221d1c06432ff80f2678ef46fe">RadioLibAES128</a>();</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keywordtype">void</span> <a class="code" href="class_radio_lib_a_e_s128.html#a2f688dbdf2b0506c077ca4501e40e22e">init</a>(uint8_t* key);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordtype">size_t</span> <a class="code" href="class_radio_lib_a_e_s128.html#a4c7b49c3ed16f3849d8050a24a11c3c1">encryptECB</a>(uint8_t* in, <span class="keywordtype">size_t</span> len, uint8_t* out);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordtype">size_t</span> <a class="code" href="class_radio_lib_a_e_s128.html#abe0e368c6a94b2caf1559add1c262a98">decryptECB</a>(uint8_t* in, <span class="keywordtype">size_t</span> len, uint8_t* out);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordtype">void</span> <a class="code" href="class_radio_lib_a_e_s128.html#a260a1ac84386141781b3d7c213ff161c">generateCMAC</a>(uint8_t* in, <span class="keywordtype">size_t</span> len, uint8_t* cmac);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="class_radio_lib_a_e_s128.html#a382e9dfdc10b7dd58e2bd0aa15f5e1dd">verifyCMAC</a>(uint8_t* in, <span class="keywordtype">size_t</span> len, uint8_t* cmac);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; uint8_t* keyPtr;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; uint8_t roundKey[RADIOLIB_AES128_KEY_EXP_SIZE];</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordtype">void</span> keyExpansion(uint8_t* roundKey, uint8_t* key);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordtype">void</span> cipher(state_t* state, uint8_t* roundKey);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordtype">void</span> decipher(state_t* state, uint8_t* roundKey);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keywordtype">void</span> subWord(uint8_t* word);</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordtype">void</span> rotWord(uint8_t* word);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; </div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordtype">void</span> addRoundKey(uint8_t round, state_t* state, uint8_t* roundKey);</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordtype">void</span> blockXor(uint8_t* dst, uint8_t* a, uint8_t* b);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordtype">void</span> blockLeftshift(uint8_t* dst, uint8_t* src);</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordtype">void</span> generateSubkeys(uint8_t* key1, uint8_t* key2);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordtype">void</span> subBytes(state_t* state, <span class="keyword">const</span> uint8_t* box);</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordtype">void</span> shiftRows(state_t* state, <span class="keywordtype">bool</span> inv);</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keywordtype">void</span> mixColumns(state_t* state, <span class="keywordtype">bool</span> inv);</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; uint8_t mul(uint8_t a, uint8_t b);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;};</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;<span class="comment">// the global singleton</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;<span class="keyword">extern</span> <a class="code" href="class_radio_lib_a_e_s128.html">RadioLibAES128</a> RadioLibAES128Instance;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclass_radio_lib_a_e_s128_html"><div class="ttname"><a href="class_radio_lib_a_e_s128.html">RadioLibAES128</a></div><div class="ttdoc">Class to perform AES encryption, decryption and CMAC.</div><div class="ttdef"><b>Definition:</b> Cryptography.h:97</div></div>
<div class="ttc" id="aclass_radio_lib_a_e_s128_html_a11f816221d1c06432ff80f2678ef46fe"><div class="ttname"><a href="class_radio_lib_a_e_s128.html#a11f816221d1c06432ff80f2678ef46fe">RadioLibAES128::RadioLibAES128</a></div><div class="ttdeci">RadioLibAES128()</div><div class="ttdoc">Default constructor.</div><div class="ttdef"><b>Definition:</b> Cryptography.cpp:5</div></div>
<div class="ttc" id="aclass_radio_lib_a_e_s128_html_a260a1ac84386141781b3d7c213ff161c"><div class="ttname"><a href="class_radio_lib_a_e_s128.html#a260a1ac84386141781b3d7c213ff161c">RadioLibAES128::generateCMAC</a></div><div class="ttdeci">void generateCMAC(uint8_t *in, size_t len, uint8_t *cmac)</div><div class="ttdoc">Calculate message authentication code according to RFC4493.</div><div class="ttdef"><b>Definition:</b> Cryptography.cpp:46</div></div>
<div class="ttc" id="aclass_radio_lib_a_e_s128_html_a2f688dbdf2b0506c077ca4501e40e22e"><div class="ttname"><a href="class_radio_lib_a_e_s128.html#a2f688dbdf2b0506c077ca4501e40e22e">RadioLibAES128::init</a></div><div class="ttdeci">void init(uint8_t *key)</div><div class="ttdoc">Initialize the AES.</div><div class="ttdef"><b>Definition:</b> Cryptography.cpp:9</div></div>
<div class="ttc" id="aclass_radio_lib_a_e_s128_html_a382e9dfdc10b7dd58e2bd0aa15f5e1dd"><div class="ttname"><a href="class_radio_lib_a_e_s128.html#a382e9dfdc10b7dd58e2bd0aa15f5e1dd">RadioLibAES128::verifyCMAC</a></div><div class="ttdeci">bool verifyCMAC(uint8_t *in, size_t len, uint8_t *cmac)</div><div class="ttdoc">Verify the received CMAC. This just calculates the CMAC again and compares the results.</div><div class="ttdef"><b>Definition:</b> Cryptography.cpp:85</div></div>
<div class="ttc" id="aclass_radio_lib_a_e_s128_html_a4c7b49c3ed16f3849d8050a24a11c3c1"><div class="ttname"><a href="class_radio_lib_a_e_s128.html#a4c7b49c3ed16f3849d8050a24a11c3c1">RadioLibAES128::encryptECB</a></div><div class="ttdeci">size_t encryptECB(uint8_t *in, size_t len, uint8_t *out)</div><div class="ttdoc">Perform ECB-type AES encryption.</div><div class="ttdef"><b>Definition:</b> Cryptography.cpp:14</div></div>
<div class="ttc" id="aclass_radio_lib_a_e_s128_html_abe0e368c6a94b2caf1559add1c262a98"><div class="ttname"><a href="class_radio_lib_a_e_s128.html#abe0e368c6a94b2caf1559add1c262a98">RadioLibAES128::decryptECB</a></div><div class="ttdeci">size_t decryptECB(uint8_t *in, size_t len, uint8_t *out)</div><div class="ttdoc">Perform ECB-type AES decryption.</div><div class="ttdef"><b>Definition:</b> Cryptography.cpp:30</div></div>
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