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| </pre><div class="example-wrap"><pre class="rust "> |
| <span class="doccomment">//! AES New Instructions (AES-NI)</span> |
| <span class="doccomment">//!</span> |
| <span class="doccomment">//! The intrinsics here correspond to those in the `wmmintrin.h` C header.</span> |
| <span class="doccomment">//!</span> |
| <span class="doccomment">//! The reference is [Intel 64 and IA-32 Architectures Software Developer's</span> |
| <span class="doccomment">//! Manual Volume 2: Instruction Set Reference, A-Z][intel64_ref].</span> |
| <span class="doccomment">//!</span> |
| <span class="doccomment">//! [intel64_ref]: http://www.intel.de/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-instruction-set-reference-manual-325383.pdf</span> |
| |
| <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">core_arch</span>::<span class="ident">x86</span>::<span class="ident">__m128i</span>; |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span> |
| <span class="kw">use</span> <span class="ident">stdarch_test</span>::<span class="ident">assert_instr</span>; |
| |
| <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">improper_ctypes</span>)]</span> |
| <span class="kw">extern</span> <span class="string">"C"</span> { |
| <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.aesni.aesdec"</span>]</span> |
| <span class="kw">fn</span> <span class="ident">aesdec</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">round_key</span>: <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span>; |
| <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.aesni.aesdeclast"</span>]</span> |
| <span class="kw">fn</span> <span class="ident">aesdeclast</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">round_key</span>: <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span>; |
| <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.aesni.aesenc"</span>]</span> |
| <span class="kw">fn</span> <span class="ident">aesenc</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">round_key</span>: <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span>; |
| <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.aesni.aesenclast"</span>]</span> |
| <span class="kw">fn</span> <span class="ident">aesenclast</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">round_key</span>: <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span>; |
| <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.aesni.aesimc"</span>]</span> |
| <span class="kw">fn</span> <span class="ident">aesimc</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span>; |
| <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.aesni.aeskeygenassist"</span>]</span> |
| <span class="kw">fn</span> <span class="ident">aeskeygenassist</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">imm8</span>: <span class="ident">u8</span>) <span class="op">-></span> <span class="ident">__m128i</span>; |
| } |
| |
| <span class="doccomment">/// Performs one round of an AES decryption flow on data (state) in `a`.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_aesdec_si128)</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">aesdec</span>))]</span> |
| <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_aesdec_si128</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">round_key</span>: <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span> { |
| <span class="ident">aesdec</span>(<span class="ident">a</span>, <span class="ident">round_key</span>) |
| } |
| |
| <span class="doccomment">/// Performs the last round of an AES decryption flow on data (state) in `a`.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_aesdeclast_si128)</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">aesdeclast</span>))]</span> |
| <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_aesdeclast_si128</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">round_key</span>: <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span> { |
| <span class="ident">aesdeclast</span>(<span class="ident">a</span>, <span class="ident">round_key</span>) |
| } |
| |
| <span class="doccomment">/// Performs one round of an AES encryption flow on data (state) in `a`.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_aesenc_si128)</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">aesenc</span>))]</span> |
| <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_aesenc_si128</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">round_key</span>: <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span> { |
| <span class="ident">aesenc</span>(<span class="ident">a</span>, <span class="ident">round_key</span>) |
| } |
| |
| <span class="doccomment">/// Performs the last round of an AES encryption flow on data (state) in `a`.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_aesenclast_si128)</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">aesenclast</span>))]</span> |
| <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_aesenclast_si128</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">round_key</span>: <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span> { |
| <span class="ident">aesenclast</span>(<span class="ident">a</span>, <span class="ident">round_key</span>) |
| } |
| |
| <span class="doccomment">/// Performs the `InvMixColumns` transformation on `a`.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_aesimc_si128)</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">aesimc</span>))]</span> |
| <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_aesimc_si128</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span> { |
| <span class="ident">aesimc</span>(<span class="ident">a</span>) |
| } |
| |
| <span class="doccomment">/// Assist in expanding the AES cipher key.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// Assist in expanding the AES cipher key by computing steps towards</span> |
| <span class="doccomment">/// generating a round key for encryption cipher using data from `a` and an</span> |
| <span class="doccomment">/// 8-bit round constant `imm8`.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_aeskeygenassist_si128)</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">aeskeygenassist</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> |
| <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">1</span>)]</span> |
| <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_aeskeygenassist_si128</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">__m128i</span> { |
| <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { |
| (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { |
| <span class="ident">aeskeygenassist</span>(<span class="ident">a</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) |
| }; |
| } |
| <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span> |
| <span class="kw">mod</span> <span class="ident">tests</span> { |
| <span class="comment">// The constants in the tests below are just bit patterns. They should not</span> |
| <span class="comment">// be interpreted as integers; signedness does not make sense for them, but</span> |
| <span class="comment">// __m128i happens to be defined in terms of signed integers.</span> |
| <span class="attribute">#![<span class="ident">allow</span>(<span class="ident">overflowing_literals</span>)]</span> |
| |
| <span class="kw">use</span> <span class="ident">stdarch_test</span>::<span class="ident">simd_test</span>; |
| |
| <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">core_arch</span>::<span class="ident">x86</span>::<span class="kw-2">*</span>; |
| |
| <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_aesdec_si128</span>() { |
| <span class="comment">// Constants taken from https://msdn.microsoft.com/en-us/library/cc664949.aspx.</span> |
| <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x0123456789abcdef</span>, <span class="number">0x8899aabbccddeeff</span>); |
| <span class="kw">let</span> <span class="ident">k</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x1133557799bbddff</span>, <span class="number">0x0022446688aaccee</span>); |
| <span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x044e4f5176fec48f</span>, <span class="number">0xb57ecfa381da39ee</span>); |
| <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_aesdec_si128</span>(<span class="ident">a</span>, <span class="ident">k</span>); |
| <span class="ident">assert_eq_m128i</span>(<span class="ident">r</span>, <span class="ident">e</span>); |
| } |
| |
| <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_aesdeclast_si128</span>() { |
| <span class="comment">// Constants taken from https://msdn.microsoft.com/en-us/library/cc714178.aspx.</span> |
| <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x0123456789abcdef</span>, <span class="number">0x8899aabbccddeeff</span>); |
| <span class="kw">let</span> <span class="ident">k</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x1133557799bbddff</span>, <span class="number">0x0022446688aaccee</span>); |
| <span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x36cad57d9072bf9e</span>, <span class="number">0xf210dd981fa4a493</span>); |
| <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_aesdeclast_si128</span>(<span class="ident">a</span>, <span class="ident">k</span>); |
| <span class="ident">assert_eq_m128i</span>(<span class="ident">r</span>, <span class="ident">e</span>); |
| } |
| |
| <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_aesenc_si128</span>() { |
| <span class="comment">// Constants taken from https://msdn.microsoft.com/en-us/library/cc664810.aspx.</span> |
| <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x0123456789abcdef</span>, <span class="number">0x8899aabbccddeeff</span>); |
| <span class="kw">let</span> <span class="ident">k</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x1133557799bbddff</span>, <span class="number">0x0022446688aaccee</span>); |
| <span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x16ab0e57dfc442ed</span>, <span class="number">0x28e4ee1884504333</span>); |
| <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_aesenc_si128</span>(<span class="ident">a</span>, <span class="ident">k</span>); |
| <span class="ident">assert_eq_m128i</span>(<span class="ident">r</span>, <span class="ident">e</span>); |
| } |
| |
| <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_aesenclast_si128</span>() { |
| <span class="comment">// Constants taken from https://msdn.microsoft.com/en-us/library/cc714136.aspx.</span> |
| <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x0123456789abcdef</span>, <span class="number">0x8899aabbccddeeff</span>); |
| <span class="kw">let</span> <span class="ident">k</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x1133557799bbddff</span>, <span class="number">0x0022446688aaccee</span>); |
| <span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0xb6dd7df25d7ab320</span>, <span class="number">0x4b04f98cf4c860f8</span>); |
| <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_aesenclast_si128</span>(<span class="ident">a</span>, <span class="ident">k</span>); |
| <span class="ident">assert_eq_m128i</span>(<span class="ident">r</span>, <span class="ident">e</span>); |
| } |
| |
| <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_aesimc_si128</span>() { |
| <span class="comment">// Constants taken from https://msdn.microsoft.com/en-us/library/cc714195.aspx.</span> |
| <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x0123456789abcdef</span>, <span class="number">0x8899aabbccddeeff</span>); |
| <span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0xc66c82284ee40aa0</span>, <span class="number">0x6633441122770055</span>); |
| <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_aesimc_si128</span>(<span class="ident">a</span>); |
| <span class="ident">assert_eq_m128i</span>(<span class="ident">r</span>, <span class="ident">e</span>); |
| } |
| |
| <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"aes"</span>)]</span> |
| <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_aeskeygenassist_si128</span>() { |
| <span class="comment">// Constants taken from https://msdn.microsoft.com/en-us/library/cc714138.aspx.</span> |
| <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x0123456789abcdef</span>, <span class="number">0x8899aabbccddeeff</span>); |
| <span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">_mm_set_epi64x</span>(<span class="number">0x857c266b7c266e85</span>, <span class="number">0xeac4eea9c4eeacea</span>); |
| <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_aeskeygenassist_si128</span>(<span class="ident">a</span>, <span class="number">5</span>); |
| <span class="ident">assert_eq_m128i</span>(<span class="ident">r</span>, <span class="ident">e</span>); |
| } |
| } |
| </pre></div> |
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