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Rhys Weatherley
2018-04-07 02:43:29 +10:00
parent c81350fcbe
commit f46b005926
446 changed files with 3398 additions and 783 deletions
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@@ -235,187 +235,187 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;<span class="preprocessor">#define OUT(col, row) output[(col) * 4 + (row)]</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define IN(col, row) input[(col) * 4 + (row)]</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> subBytesAndShiftRows(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;{</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; OUT(0, 0) = pgm_read_byte(sbox + IN(0, 0));</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; OUT(0, 1) = pgm_read_byte(sbox + IN(1, 1));</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; OUT(0, 2) = pgm_read_byte(sbox + IN(2, 2));</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; OUT(0, 3) = pgm_read_byte(sbox + IN(3, 3));</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; OUT(1, 0) = pgm_read_byte(sbox + IN(1, 0));</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; OUT(1, 1) = pgm_read_byte(sbox + IN(2, 1));</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; OUT(1, 2) = pgm_read_byte(sbox + IN(3, 2));</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; OUT(1, 3) = pgm_read_byte(sbox + IN(0, 3));</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; OUT(2, 0) = pgm_read_byte(sbox + IN(2, 0));</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; OUT(2, 1) = pgm_read_byte(sbox + IN(3, 1));</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; OUT(2, 2) = pgm_read_byte(sbox + IN(0, 2));</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; OUT(2, 3) = pgm_read_byte(sbox + IN(1, 3));</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; OUT(3, 0) = pgm_read_byte(sbox + IN(3, 0));</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; OUT(3, 1) = pgm_read_byte(sbox + IN(0, 1));</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; OUT(3, 2) = pgm_read_byte(sbox + IN(1, 2));</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; OUT(3, 3) = pgm_read_byte(sbox + IN(2, 3));</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;}</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> inverseShiftRowsAndSubBytes(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;{</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; OUT(0, 0) = pgm_read_byte(sbox_inverse + IN(0, 0));</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; OUT(0, 1) = pgm_read_byte(sbox_inverse + IN(3, 1));</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; OUT(0, 2) = pgm_read_byte(sbox_inverse + IN(2, 2));</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; OUT(0, 3) = pgm_read_byte(sbox_inverse + IN(1, 3));</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; OUT(1, 0) = pgm_read_byte(sbox_inverse + IN(1, 0));</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; OUT(1, 1) = pgm_read_byte(sbox_inverse + IN(0, 1));</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; OUT(1, 2) = pgm_read_byte(sbox_inverse + IN(3, 2));</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; OUT(1, 3) = pgm_read_byte(sbox_inverse + IN(2, 3));</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; OUT(2, 0) = pgm_read_byte(sbox_inverse + IN(2, 0));</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; OUT(2, 1) = pgm_read_byte(sbox_inverse + IN(1, 1));</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; OUT(2, 2) = pgm_read_byte(sbox_inverse + IN(0, 2));</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; OUT(2, 3) = pgm_read_byte(sbox_inverse + IN(3, 3));</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; OUT(3, 0) = pgm_read_byte(sbox_inverse + IN(3, 0));</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; OUT(3, 1) = pgm_read_byte(sbox_inverse + IN(2, 1));</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; OUT(3, 2) = pgm_read_byte(sbox_inverse + IN(1, 2));</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; OUT(3, 3) = pgm_read_byte(sbox_inverse + IN(0, 3));</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160;}</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> mixColumn(uint8_t *output, uint8_t *input)</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;{</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; uint16_t t; <span class="comment">// Needed by the gmul2 macro.</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; uint8_t a = input[0];</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; uint8_t b = input[1];</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; uint8_t c = input[2];</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; uint8_t d = input[3];</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; uint8_t a2 = gmul2(a);</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; uint8_t b2 = gmul2(b);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; uint8_t c2 = gmul2(c);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; uint8_t d2 = gmul2(d);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; output[0] = a2 ^ b2 ^ b ^ c ^ d;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; output[1] = a ^ b2 ^ c2 ^ c ^ d;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; output[2] = a ^ b ^ c2 ^ d2 ^ d;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; output[3] = a2 ^ a ^ b ^ c ^ d2;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160;}</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> inverseMixColumn(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160;{</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; uint16_t t; <span class="comment">// Needed by the gmul2, gmul4, and gmul8 macros.</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; uint8_t a = input[0];</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; uint8_t b = input[1];</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; uint8_t c = input[2];</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; uint8_t d = input[3];</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; uint8_t a2 = gmul2(a);</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; uint8_t b2 = gmul2(b);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; uint8_t c2 = gmul2(c);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; uint8_t d2 = gmul2(d);</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; uint8_t a4 = gmul4(a);</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; uint8_t b4 = gmul4(b);</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; uint8_t c4 = gmul4(c);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; uint8_t d4 = gmul4(d);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; uint8_t a8 = gmul8(a);</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; uint8_t b8 = gmul8(b);</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; uint8_t c8 = gmul8(c);</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; uint8_t d8 = gmul8(d);</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; output[0] = a8 ^ a4 ^ a2 ^ b8 ^ b2 ^ b ^ c8 ^ c4 ^ c ^ d8 ^ d;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; output[1] = a8 ^ a ^ b8 ^ b4 ^ b2 ^ c8 ^ c2 ^ c ^ d8 ^ d4 ^ d;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; output[2] = a8 ^ a4 ^ a ^ b8 ^ b ^ c8 ^ c4 ^ c2 ^ d8 ^ d2 ^ d;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; output[3] = a8 ^ a2 ^ a ^ b8 ^ b4 ^ b ^ c8 ^ c ^ d8 ^ d4 ^ d2;</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160;}</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160;</div>
<div class="line"><a name="l00264"></a><span class="lineno"><a class="line" href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296"> 264</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">AESCommon::encryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160;{</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="keyword">const</span> uint8_t *roundKey = schedule;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; uint8_t posn;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; uint8_t round;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; uint8_t state1[16];</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; uint8_t state2[16];</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="comment">// Copy the input into the state and XOR with the first round key.</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; state1[posn] = input[posn] ^ roundKey[posn];</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; roundKey += 16;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; <span class="comment">// Perform all rounds except the last.</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; <span class="keywordflow">for</span> (round = rounds; round &gt; 1; --round) {</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; subBytesAndShiftRows(state2, state1);</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; mixColumn(state1, state2);</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; mixColumn(state1 + 4, state2 + 4);</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; mixColumn(state1 + 8, state2 + 8);</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; mixColumn(state1 + 12, state2 + 12);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; state1[posn] ^= roundKey[posn];</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; roundKey += 16;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; }</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; <span class="comment">// Perform the final round.</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; subBytesAndShiftRows(state2, state1);</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; output[posn] = state2[posn] ^ roundKey[posn];</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160;}</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160;</div>
<div class="line"><a name="l00295"></a><span class="lineno"><a class="line" href="classAESCommon.html#a95a806adf42f975765ff62907efdc639"> 295</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a95a806adf42f975765ff62907efdc639">AESCommon::decryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160;{</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; <span class="keyword">const</span> uint8_t *roundKey = schedule + rounds * 16;</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; uint8_t round;</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; uint8_t posn;</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; uint8_t state1[16];</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; uint8_t state2[16];</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160;</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; <span class="comment">// Copy the input into the state and reverse the final round.</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; state1[posn] = input[posn] ^ roundKey[posn];</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; inverseShiftRowsAndSubBytes(state2, state1);</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160;</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; <span class="comment">// Perform all other rounds in reverse.</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; <span class="keywordflow">for</span> (round = rounds; round &gt; 1; --round) {</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; roundKey -= 16;</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; state2[posn] ^= roundKey[posn];</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; inverseMixColumn(state1, state2);</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; inverseMixColumn(state1 + 4, state2 + 4);</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; inverseMixColumn(state1 + 8, state2 + 8);</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; inverseMixColumn(state1 + 12, state2 + 12);</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; inverseShiftRowsAndSubBytes(state2, state1);</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; }</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160;</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; <span class="comment">// Reverse the initial round and create the output words.</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; roundKey -= 16;</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; output[posn] = state2[posn] ^ roundKey[posn];</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160;}</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160;</div>
<div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6"> 326</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">AESCommon::clear</a>()</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160;{</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; clean(schedule, (rounds + 1) * 16);</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160;}</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160;</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160;<span class="keywordtype">void</span> AESCommon::keyScheduleCore(uint8_t *output, <span class="keyword">const</span> uint8_t *input, uint8_t iteration)</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160;{</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; <span class="comment">// Rcon(i), 2^i in the Rijndael finite field, for i = 0..10.</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; <span class="comment">// http://en.wikipedia.org/wiki/Rijndael_key_schedule</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; <span class="keyword">static</span> uint8_t <span class="keyword">const</span> rcon[11] PROGMEM = {</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; 0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, <span class="comment">// 0x00</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; 0x80, 0x1B, 0x36</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; };</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; output[0] = pgm_read_byte(sbox + input[1]) ^ pgm_read_byte(rcon + iteration);</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; output[1] = pgm_read_byte(sbox + input[2]);</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; output[2] = pgm_read_byte(sbox + input[3]);</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; output[3] = pgm_read_byte(sbox + input[0]);</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160;}</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160;</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160;<span class="keywordtype">void</span> AESCommon::applySbox(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160;{</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; output[0] = pgm_read_byte(sbox + input[0]);</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160; output[1] = pgm_read_byte(sbox + input[1]);</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160; output[2] = pgm_read_byte(sbox + input[2]);</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160; output[3] = pgm_read_byte(sbox + input[3]);</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160;}</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160;</div>
<div class="ttc" id="classAESCommon_html_a95a806adf42f975765ff62907efdc639"><div class="ttname"><a href="classAESCommon.html#a95a806adf42f975765ff62907efdc639">AESCommon::decryptBlock</a></div><div class="ttdeci">void decryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Decrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00295">AESCommon.cpp:295</a></div></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;<span class="keywordtype">void</span> AESCommon::subBytesAndShiftRows(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;{</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; OUT(0, 0) = pgm_read_byte(sbox + IN(0, 0));</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; OUT(0, 1) = pgm_read_byte(sbox + IN(1, 1));</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; OUT(0, 2) = pgm_read_byte(sbox + IN(2, 2));</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; OUT(0, 3) = pgm_read_byte(sbox + IN(3, 3));</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; OUT(1, 0) = pgm_read_byte(sbox + IN(1, 0));</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; OUT(1, 1) = pgm_read_byte(sbox + IN(2, 1));</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; OUT(1, 2) = pgm_read_byte(sbox + IN(3, 2));</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; OUT(1, 3) = pgm_read_byte(sbox + IN(0, 3));</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; OUT(2, 0) = pgm_read_byte(sbox + IN(2, 0));</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; OUT(2, 1) = pgm_read_byte(sbox + IN(3, 1));</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; OUT(2, 2) = pgm_read_byte(sbox + IN(0, 2));</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; OUT(2, 3) = pgm_read_byte(sbox + IN(1, 3));</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; OUT(3, 0) = pgm_read_byte(sbox + IN(3, 0));</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; OUT(3, 1) = pgm_read_byte(sbox + IN(0, 1));</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; OUT(3, 2) = pgm_read_byte(sbox + IN(1, 2));</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; OUT(3, 3) = pgm_read_byte(sbox + IN(2, 3));</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;}</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;<span class="keywordtype">void</span> AESCommon::inverseShiftRowsAndSubBytes(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;{</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; OUT(0, 0) = pgm_read_byte(sbox_inverse + IN(0, 0));</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; OUT(0, 1) = pgm_read_byte(sbox_inverse + IN(3, 1));</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; OUT(0, 2) = pgm_read_byte(sbox_inverse + IN(2, 2));</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; OUT(0, 3) = pgm_read_byte(sbox_inverse + IN(1, 3));</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; OUT(1, 0) = pgm_read_byte(sbox_inverse + IN(1, 0));</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; OUT(1, 1) = pgm_read_byte(sbox_inverse + IN(0, 1));</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; OUT(1, 2) = pgm_read_byte(sbox_inverse + IN(3, 2));</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; OUT(1, 3) = pgm_read_byte(sbox_inverse + IN(2, 3));</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; OUT(2, 0) = pgm_read_byte(sbox_inverse + IN(2, 0));</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; OUT(2, 1) = pgm_read_byte(sbox_inverse + IN(1, 1));</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; OUT(2, 2) = pgm_read_byte(sbox_inverse + IN(0, 2));</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; OUT(2, 3) = pgm_read_byte(sbox_inverse + IN(3, 3));</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; OUT(3, 0) = pgm_read_byte(sbox_inverse + IN(3, 0));</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; OUT(3, 1) = pgm_read_byte(sbox_inverse + IN(2, 1));</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; OUT(3, 2) = pgm_read_byte(sbox_inverse + IN(1, 2));</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; OUT(3, 3) = pgm_read_byte(sbox_inverse + IN(0, 3));</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160;}</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;<span class="keywordtype">void</span> AESCommon::mixColumn(uint8_t *output, uint8_t *input)</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160;{</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; uint16_t t; <span class="comment">// Needed by the gmul2 macro.</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; uint8_t a = input[0];</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; uint8_t b = input[1];</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; uint8_t c = input[2];</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; uint8_t d = input[3];</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; uint8_t a2 = gmul2(a);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; uint8_t b2 = gmul2(b);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; uint8_t c2 = gmul2(c);</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; uint8_t d2 = gmul2(d);</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; output[0] = a2 ^ b2 ^ b ^ c ^ d;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; output[1] = a ^ b2 ^ c2 ^ c ^ d;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; output[2] = a ^ b ^ c2 ^ d2 ^ d;</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; output[3] = a2 ^ a ^ b ^ c ^ d2;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160;}</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160;</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160;<span class="keywordtype">void</span> AESCommon::inverseMixColumn(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160;{</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; uint16_t t; <span class="comment">// Needed by the gmul2, gmul4, and gmul8 macros.</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; uint8_t a = input[0];</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; uint8_t b = input[1];</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; uint8_t c = input[2];</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; uint8_t d = input[3];</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; uint8_t a2 = gmul2(a);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; uint8_t b2 = gmul2(b);</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; uint8_t c2 = gmul2(c);</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; uint8_t d2 = gmul2(d);</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; uint8_t a4 = gmul4(a);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; uint8_t b4 = gmul4(b);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; uint8_t c4 = gmul4(c);</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; uint8_t d4 = gmul4(d);</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; uint8_t a8 = gmul8(a);</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; uint8_t b8 = gmul8(b);</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; uint8_t c8 = gmul8(c);</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; uint8_t d8 = gmul8(d);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; output[0] = a8 ^ a4 ^ a2 ^ b8 ^ b2 ^ b ^ c8 ^ c4 ^ c ^ d8 ^ d;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; output[1] = a8 ^ a ^ b8 ^ b4 ^ b2 ^ c8 ^ c2 ^ c ^ d8 ^ d4 ^ d;</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; output[2] = a8 ^ a4 ^ a ^ b8 ^ b ^ c8 ^ c4 ^ c2 ^ d8 ^ d2 ^ d;</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; output[3] = a8 ^ a2 ^ a ^ b8 ^ b4 ^ b ^ c8 ^ c ^ d8 ^ d4 ^ d2;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160;}</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160;</div>
<div class="line"><a name="l00268"></a><span class="lineno"><a class="line" href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296"> 268</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">AESCommon::encryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160;{</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <span class="keyword">const</span> uint8_t *roundKey = schedule;</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; uint8_t posn;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; uint8_t round;</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; uint8_t state1[16];</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; uint8_t state2[16];</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <span class="comment">// Copy the input into the state and XOR with the first round key.</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; state1[posn] = input[posn] ^ roundKey[posn];</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; roundKey += 16;</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; <span class="comment">// Perform all rounds except the last.</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <span class="keywordflow">for</span> (round = rounds; round &gt; 1; --round) {</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; subBytesAndShiftRows(state2, state1);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; mixColumn(state1, state2);</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; mixColumn(state1 + 4, state2 + 4);</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; mixColumn(state1 + 8, state2 + 8);</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; mixColumn(state1 + 12, state2 + 12);</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; state1[posn] ^= roundKey[posn];</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; roundKey += 16;</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; }</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; <span class="comment">// Perform the final round.</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; subBytesAndShiftRows(state2, state1);</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; output[posn] = state2[posn] ^ roundKey[posn];</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160;}</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160;</div>
<div class="line"><a name="l00299"></a><span class="lineno"><a class="line" href="classAESCommon.html#a95a806adf42f975765ff62907efdc639"> 299</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a95a806adf42f975765ff62907efdc639">AESCommon::decryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160;{</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; <span class="keyword">const</span> uint8_t *roundKey = schedule + rounds * 16;</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; uint8_t round;</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; uint8_t posn;</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; uint8_t state1[16];</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; uint8_t state2[16];</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160;</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; <span class="comment">// Copy the input into the state and reverse the final round.</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; state1[posn] = input[posn] ^ roundKey[posn];</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; inverseShiftRowsAndSubBytes(state2, state1);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160;</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="comment">// Perform all other rounds in reverse.</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="keywordflow">for</span> (round = rounds; round &gt; 1; --round) {</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; roundKey -= 16;</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; state2[posn] ^= roundKey[posn];</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; inverseMixColumn(state1, state2);</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; inverseMixColumn(state1 + 4, state2 + 4);</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; inverseMixColumn(state1 + 8, state2 + 8);</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; inverseMixColumn(state1 + 12, state2 + 12);</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; inverseShiftRowsAndSubBytes(state2, state1);</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; }</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160;</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; <span class="comment">// Reverse the initial round and create the output words.</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; roundKey -= 16;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; <span class="keywordflow">for</span> (posn = 0; posn &lt; 16; ++posn)</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; output[posn] = state2[posn] ^ roundKey[posn];</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160;}</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160;</div>
<div class="line"><a name="l00330"></a><span class="lineno"><a class="line" href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6"> 330</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">AESCommon::clear</a>()</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160;{</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; clean(schedule, (rounds + 1) * 16);</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160;}</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160;</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160;<span class="keywordtype">void</span> AESCommon::keyScheduleCore(uint8_t *output, <span class="keyword">const</span> uint8_t *input, uint8_t iteration)</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160;{</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; <span class="comment">// Rcon(i), 2^i in the Rijndael finite field, for i = 0..10.</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; <span class="comment">// http://en.wikipedia.org/wiki/Rijndael_key_schedule</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; <span class="keyword">static</span> uint8_t <span class="keyword">const</span> rcon[11] PROGMEM = {</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; 0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, <span class="comment">// 0x00</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; 0x80, 0x1B, 0x36</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; };</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; output[0] = pgm_read_byte(sbox + input[1]) ^ pgm_read_byte(rcon + iteration);</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; output[1] = pgm_read_byte(sbox + input[2]);</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; output[2] = pgm_read_byte(sbox + input[3]);</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; output[3] = pgm_read_byte(sbox + input[0]);</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160;}</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160;</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160;<span class="keywordtype">void</span> AESCommon::applySbox(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160;{</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160; output[0] = pgm_read_byte(sbox + input[0]);</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; output[1] = pgm_read_byte(sbox + input[1]);</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; output[2] = pgm_read_byte(sbox + input[2]);</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160; output[3] = pgm_read_byte(sbox + input[3]);</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160;}</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160;</div>
<div class="ttc" id="classAESCommon_html_a95a806adf42f975765ff62907efdc639"><div class="ttname"><a href="classAESCommon.html#a95a806adf42f975765ff62907efdc639">AESCommon::decryptBlock</a></div><div class="ttdeci">void decryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Decrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00299">AESCommon.cpp:299</a></div></div>
<div class="ttc" id="classAESCommon_html_acf224a392659429bac80dc68c7471b21"><div class="ttname"><a href="classAESCommon.html#acf224a392659429bac80dc68c7471b21">AESCommon::AESCommon</a></div><div class="ttdeci">AESCommon()</div><div class="ttdoc">Constructs an AES block cipher object. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00125">AESCommon.cpp:125</a></div></div>
<div class="ttc" id="classAESCommon_html_ae26afdcc6d18e8888974acae16df1413"><div class="ttname"><a href="classAESCommon.html#ae26afdcc6d18e8888974acae16df1413">AESCommon::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of an AES block in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00142">AESCommon.cpp:142</a></div></div>
<div class="ttc" id="classAESCommon_html_a8f67970c86c23affb0297fc1bb10fad8"><div class="ttname"><a href="classAESCommon.html#a8f67970c86c23affb0297fc1bb10fad8">AESCommon::~AESCommon</a></div><div class="ttdeci">virtual ~AESCommon()</div><div class="ttdoc">Destroys this AES block cipher object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00134">AESCommon.cpp:134</a></div></div>
<div class="ttc" id="classAESCommon_html_a83e43f7d07e31d90fd7b768a93ecfce6"><div class="ttname"><a href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">AESCommon::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this block cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00326">AESCommon.cpp:326</a></div></div>
<div class="ttc" id="classAESCommon_html_a2d95f6159abfcd92b5841f9018e44296"><div class="ttname"><a href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">AESCommon::encryptBlock</a></div><div class="ttdeci">void encryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Encrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00264">AESCommon.cpp:264</a></div></div>
<div class="ttc" id="classAESCommon_html_a83e43f7d07e31d90fd7b768a93ecfce6"><div class="ttname"><a href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">AESCommon::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this block cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00330">AESCommon.cpp:330</a></div></div>
<div class="ttc" id="classAESCommon_html_a2d95f6159abfcd92b5841f9018e44296"><div class="ttname"><a href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">AESCommon::encryptBlock</a></div><div class="ttdeci">void encryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Encrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00268">AESCommon.cpp:268</a></div></div>
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