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</pre><pre class='rust '>
<span class='kw'>use</span> <span class='ident'>digest</span>::<span class='ident'>Digest</span>;
<span class='kw'>use</span> <span class='ident'>sha2</span>::{<span class='ident'>Sha512</span>};
<span class='kw'>use</span> <span class='ident'>curve25519</span>::{<span class='ident'>GeP2</span>, <span class='ident'>GeP3</span>, <span class='ident'>ge_scalarmult_base</span>, <span class='ident'>sc_reduce</span>, <span class='ident'>sc_muladd</span>, <span class='ident'>curve25519</span>, <span class='ident'>Fe</span>};
<span class='kw'>use</span> <span class='ident'>util</span>::{<span class='ident'>fixed_time_eq</span>};
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ops</span>::{<span class='ident'>Add</span>, <span class='ident'>Sub</span>, <span class='ident'>Mul</span>};
<span class='kw'>static</span> <span class='ident'>L</span>: [<span class='ident'>u8</span>; <span class='number'>32</span>] <span class='op'>=</span>
[ <span class='number'>0x10</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>,
<span class='number'>0x00</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>, <span class='number'>0x00</span>,
<span class='number'>0x14</span>, <span class='number'>0xde</span>, <span class='number'>0xf9</span>, <span class='number'>0xde</span>, <span class='number'>0xa2</span>, <span class='number'>0xf7</span>, <span class='number'>0x9c</span>, <span class='number'>0xd6</span>,
<span class='number'>0x58</span>, <span class='number'>0x12</span>, <span class='number'>0x63</span>, <span class='number'>0x1a</span>, <span class='number'>0x5c</span>, <span class='number'>0xf5</span>, <span class='number'>0xd3</span>, <span class='number'>0xed</span> ];
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>keypair</span>(<span class='ident'>seed</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> ([<span class='ident'>u8</span>; <span class='number'>64</span>], [<span class='ident'>u8</span>; <span class='number'>32</span>]) {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>secret</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>] <span class='op'>=</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hash_output</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>] <span class='op'>=</span> [<span class='number'>0</span>; <span class='number'>64</span>];
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hasher</span> <span class='op'>=</span> <span class='ident'>Sha512</span>::<span class='ident'>new</span>();
<span class='ident'>hasher</span>.<span class='ident'>input</span>(<span class='ident'>seed</span>);
<span class='ident'>hasher</span>.<span class='ident'>result</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>hash_output</span>);
<span class='ident'>hash_output</span>[<span class='number'>0</span>] <span class='op'>&=</span> <span class='number'>248</span>;
<span class='ident'>hash_output</span>[<span class='number'>31</span>] <span class='op'>&=</span> <span class='number'>63</span>;
<span class='ident'>hash_output</span>[<span class='number'>31</span>] <span class='op'>|=</span> <span class='number'>64</span>;
<span class='ident'>hash_output</span>
};
<span class='kw'>let</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>ge_scalarmult_base</span>(<span class='kw-2'>&</span><span class='ident'>secret</span>[<span class='number'>0</span>..<span class='number'>32</span>]);
<span class='kw'>let</span> <span class='ident'>public_key</span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>to_bytes</span>();
<span class='kw'>for</span> (<span class='ident'>dest</span>, <span class='ident'>src</span>) <span class='kw'>in</span> (<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>secret</span>[<span class='number'>32</span>..<span class='number'>64</span>]).<span class='ident'>iter_mut</span>().<span class='ident'>zip</span>(<span class='ident'>public_key</span>.<span class='ident'>iter</span>()) {
<span class='kw-2'>*</span><span class='ident'>dest</span> <span class='op'>=</span> <span class='kw-2'>*</span><span class='ident'>src</span>;
}
<span class='kw'>for</span> (<span class='ident'>dest</span>, <span class='ident'>src</span>) <span class='kw'>in</span> (<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>secret</span>[<span class='number'>0</span>..<span class='number'>32</span>]).<span class='ident'>iter_mut</span>().<span class='ident'>zip</span>(<span class='ident'>seed</span>.<span class='ident'>iter</span>()) {
<span class='kw-2'>*</span><span class='ident'>dest</span> <span class='op'>=</span> <span class='kw-2'>*</span><span class='ident'>src</span>;
}
(<span class='ident'>secret</span>, <span class='ident'>public_key</span>)
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>signature</span>(<span class='ident'>message</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>], <span class='ident'>secret_key</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> [<span class='ident'>u8</span>; <span class='number'>64</span>] {
<span class='kw'>let</span> <span class='ident'>seed</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='ident'>secret_key</span>[<span class='number'>0</span>..<span class='number'>32</span>];
<span class='kw'>let</span> <span class='ident'>public_key</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='ident'>secret_key</span>[<span class='number'>32</span>..<span class='number'>64</span>];
<span class='kw'>let</span> <span class='ident'>az</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>] <span class='op'>=</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hash_output</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>] <span class='op'>=</span> [<span class='number'>0</span>; <span class='number'>64</span>];
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hasher</span> <span class='op'>=</span> <span class='ident'>Sha512</span>::<span class='ident'>new</span>();
<span class='ident'>hasher</span>.<span class='ident'>input</span>(<span class='ident'>seed</span>);
<span class='ident'>hasher</span>.<span class='ident'>result</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>hash_output</span>);
<span class='ident'>hash_output</span>[<span class='number'>0</span>] <span class='op'>&=</span> <span class='number'>248</span>;
<span class='ident'>hash_output</span>[<span class='number'>31</span>] <span class='op'>&=</span> <span class='number'>63</span>;
<span class='ident'>hash_output</span>[<span class='number'>31</span>] <span class='op'>|=</span> <span class='number'>64</span>;
<span class='ident'>hash_output</span>
};
<span class='kw'>let</span> <span class='ident'>nonce</span> <span class='op'>=</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hash_output</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>] <span class='op'>=</span> [<span class='number'>0</span>; <span class='number'>64</span>];
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hasher</span> <span class='op'>=</span> <span class='ident'>Sha512</span>::<span class='ident'>new</span>();
<span class='ident'>hasher</span>.<span class='ident'>input</span>(<span class='kw-2'>&</span><span class='ident'>az</span>[<span class='number'>32</span>..<span class='number'>64</span>]);
<span class='ident'>hasher</span>.<span class='ident'>input</span>(<span class='ident'>message</span>);
<span class='ident'>hasher</span>.<span class='ident'>result</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>hash_output</span>);
<span class='ident'>sc_reduce</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>hash_output</span>[<span class='number'>0</span>..<span class='number'>64</span>]);
<span class='ident'>hash_output</span>
};
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>signature</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>] <span class='op'>=</span> [<span class='number'>0</span>; <span class='number'>64</span>];
<span class='kw'>let</span> <span class='ident'>r</span>: <span class='ident'>GeP3</span> <span class='op'>=</span> <span class='ident'>ge_scalarmult_base</span>(<span class='kw-2'>&</span><span class='ident'>nonce</span>[<span class='number'>0</span>..<span class='number'>32</span>]);
<span class='kw'>for</span> (<span class='ident'>result_byte</span>, <span class='ident'>source_byte</span>) <span class='kw'>in</span> (<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>signature</span>[<span class='number'>0</span>..<span class='number'>32</span>]).<span class='ident'>iter_mut</span>().<span class='ident'>zip</span>(<span class='ident'>r</span>.<span class='ident'>to_bytes</span>().<span class='ident'>iter</span>()) {
<span class='kw-2'>*</span><span class='ident'>result_byte</span> <span class='op'>=</span> <span class='kw-2'>*</span><span class='ident'>source_byte</span>;
}
<span class='kw'>for</span> (<span class='ident'>result_byte</span>, <span class='ident'>source_byte</span>) <span class='kw'>in</span> (<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>signature</span>[<span class='number'>32</span>..<span class='number'>64</span>]).<span class='ident'>iter_mut</span>().<span class='ident'>zip</span>(<span class='ident'>public_key</span>.<span class='ident'>iter</span>()) {
<span class='kw-2'>*</span><span class='ident'>result_byte</span> <span class='op'>=</span> <span class='kw-2'>*</span><span class='ident'>source_byte</span>;
}
{
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hasher</span> <span class='op'>=</span> <span class='ident'>Sha512</span>::<span class='ident'>new</span>();
<span class='ident'>hasher</span>.<span class='ident'>input</span>(<span class='ident'>signature</span>.<span class='ident'>as_ref</span>());
<span class='ident'>hasher</span>.<span class='ident'>input</span>(<span class='ident'>message</span>);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hram</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>] <span class='op'>=</span> [<span class='number'>0</span>; <span class='number'>64</span>];
<span class='ident'>hasher</span>.<span class='ident'>result</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>hram</span>);
<span class='ident'>sc_reduce</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>hram</span>);
<span class='ident'>sc_muladd</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>signature</span>[<span class='number'>32</span>..<span class='number'>64</span>], <span class='kw-2'>&</span><span class='ident'>hram</span>[<span class='number'>0</span>..<span class='number'>32</span>], <span class='kw-2'>&</span><span class='ident'>az</span>[<span class='number'>0</span>..<span class='number'>32</span>], <span class='kw-2'>&</span><span class='ident'>nonce</span>[<span class='number'>0</span>..<span class='number'>32</span>]);
}
<span class='ident'>signature</span>
}
<span class='kw'>fn</span> <span class='ident'>check_s_lt_l</span>(<span class='ident'>s</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='ident'>bool</span>
{
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>c</span>: <span class='ident'>u8</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>n</span>: <span class='ident'>u8</span> <span class='op'>=</span> <span class='number'>1</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>i</span> <span class='op'>=</span> <span class='number'>31</span>;
<span class='kw'>loop</span> {
<span class='ident'>c</span> <span class='op'>|=</span> ((((<span class='ident'>s</span>[<span class='ident'>i</span>] <span class='kw'>as</span> <span class='ident'>i32</span>) <span class='op'>-</span> (<span class='ident'>L</span>[<span class='ident'>i</span>] <span class='kw'>as</span> <span class='ident'>i32</span>)) <span class='op'>>></span> <span class='number'>8</span>) <span class='kw'>as</span> <span class='ident'>u8</span>) <span class='op'>&</span> <span class='ident'>n</span>;
<span class='ident'>n</span> <span class='op'>&=</span> (((((<span class='ident'>s</span>[<span class='ident'>i</span>] <span class='op'>^</span> <span class='ident'>L</span>[<span class='ident'>i</span>]) <span class='kw'>as</span> <span class='ident'>i32</span>)) <span class='op'>-</span> <span class='number'>1</span>) <span class='op'>>></span> <span class='number'>8</span>) <span class='kw'>as</span> <span class='ident'>u8</span>;
<span class='kw'>if</span> <span class='ident'>i</span> <span class='op'>==</span> <span class='number'>0</span> {
<span class='kw'>break</span>;
} <span class='kw'>else</span> {
<span class='ident'>i</span> <span class='op'>-=</span> <span class='number'>1</span>;
}
}
<span class='ident'>c</span> <span class='op'>==</span> <span class='number'>0</span>
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>verify</span>(<span class='ident'>message</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>], <span class='ident'>public_key</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>], <span class='ident'>signature</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='kw'>if</span> <span class='ident'>check_s_lt_l</span>(<span class='kw-2'>&</span><span class='ident'>signature</span>[<span class='number'>32</span>..<span class='number'>64</span>]) {
<span class='kw'>return</span> <span class='bool-val'>false</span>;
}
<span class='kw'>let</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>GeP3</span>::<span class='ident'>from_bytes_negate_vartime</span>(<span class='ident'>public_key</span>) {
<span class='prelude-val'>Some</span>(<span class='ident'>g</span>) <span class='op'>=></span> <span class='ident'>g</span>,
<span class='prelude-val'>None</span> <span class='op'>=></span> { <span class='kw'>return</span> <span class='bool-val'>false</span>; }
};
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>d</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>for</span> <span class='ident'>pk_byte</span> <span class='kw'>in</span> <span class='ident'>public_key</span>.<span class='ident'>iter</span>() {
<span class='ident'>d</span> <span class='op'>|=</span> <span class='kw-2'>*</span><span class='ident'>pk_byte</span>;
}
<span class='kw'>if</span> <span class='ident'>d</span> <span class='op'>==</span> <span class='number'>0</span> {
<span class='kw'>return</span> <span class='bool-val'>false</span>;
}
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hasher</span> <span class='op'>=</span> <span class='ident'>Sha512</span>::<span class='ident'>new</span>();
<span class='ident'>hasher</span>.<span class='ident'>input</span>(<span class='kw-2'>&</span><span class='ident'>signature</span>[<span class='number'>0</span>..<span class='number'>32</span>]);
<span class='ident'>hasher</span>.<span class='ident'>input</span>(<span class='ident'>public_key</span>);
<span class='ident'>hasher</span>.<span class='ident'>input</span>(<span class='ident'>message</span>);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hash</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>] <span class='op'>=</span> [<span class='number'>0</span>; <span class='number'>64</span>];
<span class='ident'>hasher</span>.<span class='ident'>result</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>hash</span>);
<span class='ident'>sc_reduce</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>hash</span>);
<span class='kw'>let</span> <span class='ident'>r</span> <span class='op'>=</span> <span class='ident'>GeP2</span>::<span class='ident'>double_scalarmult_vartime</span>(<span class='ident'>hash</span>.<span class='ident'>as_ref</span>(), <span class='ident'>a</span>, <span class='kw-2'>&</span><span class='ident'>signature</span>[<span class='number'>32</span>..<span class='number'>64</span>]);
<span class='kw'>let</span> <span class='ident'>rcheck</span> <span class='op'>=</span> <span class='ident'>r</span>.<span class='ident'>to_bytes</span>();
<span class='ident'>fixed_time_eq</span>(<span class='ident'>rcheck</span>.<span class='ident'>as_ref</span>(), <span class='kw-2'>&</span><span class='ident'>signature</span>[<span class='number'>0</span>..<span class='number'>32</span>])
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>exchange</span>(<span class='ident'>public_key</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>], <span class='ident'>private_key</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> [<span class='ident'>u8</span>; <span class='number'>32</span>] {
<span class='kw'>let</span> <span class='ident'>ed_y</span> <span class='op'>=</span> <span class='ident'>Fe</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span><span class='ident'>public_key</span>);
<span class='comment'>// Produce public key in Montgomery form.</span>
<span class='kw'>let</span> <span class='ident'>mont_x</span> <span class='op'>=</span> <span class='ident'>edwards_to_montgomery_x</span>(<span class='ident'>ed_y</span>);
<span class='comment'>// Produce private key from seed component (bytes 0 to 32)</span>
<span class='comment'>// of the Ed25519 extended private key (64 bytes).</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hasher</span> <span class='op'>=</span> <span class='ident'>Sha512</span>::<span class='ident'>new</span>();
<span class='ident'>hasher</span>.<span class='ident'>input</span>(<span class='kw-2'>&</span><span class='ident'>private_key</span>[<span class='number'>0</span>..<span class='number'>32</span>]);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hash</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>] <span class='op'>=</span> [<span class='number'>0</span>; <span class='number'>64</span>];
<span class='ident'>hasher</span>.<span class='ident'>result</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>hash</span>);
<span class='comment'>// Clamp the hash such that it is a valid private key</span>
<span class='ident'>hash</span>[<span class='number'>0</span>] <span class='op'>&=</span> <span class='number'>248</span>;
<span class='ident'>hash</span>[<span class='number'>31</span>] <span class='op'>&=</span> <span class='number'>127</span>;
<span class='ident'>hash</span>[<span class='number'>31</span>] <span class='op'>|=</span> <span class='number'>64</span>;
<span class='kw'>let</span> <span class='ident'>shared_mont_x</span> : [<span class='ident'>u8</span>; <span class='number'>32</span>] <span class='op'>=</span> <span class='ident'>curve25519</span>(<span class='kw-2'>&</span><span class='ident'>hash</span>, <span class='kw-2'>&</span><span class='ident'>mont_x</span>.<span class='ident'>to_bytes</span>()); <span class='comment'>// priv., pub.</span>
<span class='ident'>shared_mont_x</span>
}
<span class='kw'>fn</span> <span class='ident'>edwards_to_montgomery_x</span>(<span class='ident'>ed_y</span>: <span class='ident'>Fe</span>) <span class='op'>-></span> <span class='ident'>Fe</span> {
<span class='kw'>let</span> <span class='ident'>ed_z</span> <span class='op'>=</span> <span class='ident'>Fe</span>([<span class='number'>1</span>,<span class='number'>0</span>,<span class='number'>0</span>,<span class='number'>0</span>,<span class='number'>0</span>,<span class='number'>0</span>,<span class='number'>0</span>,<span class='number'>0</span>,<span class='number'>0</span>,<span class='number'>0</span>]);
<span class='kw'>let</span> <span class='ident'>temp_x</span> <span class='op'>=</span> <span class='ident'>ed_z</span>.<span class='ident'>add</span>(<span class='ident'>ed_y</span>);
<span class='kw'>let</span> <span class='ident'>temp_z</span> <span class='op'>=</span> <span class='ident'>ed_z</span>.<span class='ident'>sub</span>(<span class='ident'>ed_y</span>);
<span class='kw'>let</span> <span class='ident'>temp_z_inv</span> <span class='op'>=</span> <span class='ident'>temp_z</span>.<span class='ident'>invert</span>();
<span class='kw'>let</span> <span class='ident'>mont_x</span> <span class='op'>=</span> <span class='ident'>temp_x</span>.<span class='ident'>mul</span>(<span class='ident'>temp_z_inv</span>);
<span class='ident'>mont_x</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='kw'>use</span> <span class='ident'>ed25519</span>::{<span class='ident'>keypair</span>, <span class='ident'>signature</span>, <span class='ident'>verify</span>, <span class='ident'>exchange</span>};
<span class='kw'>use</span> <span class='ident'>curve25519</span>::{<span class='ident'>curve25519_base</span>, <span class='ident'>curve25519</span>};
<span class='kw'>use</span> <span class='ident'>digest</span>::<span class='ident'>Digest</span>;
<span class='kw'>use</span> <span class='ident'>sha2</span>::{<span class='ident'>Sha512</span>};
<span class='kw'>fn</span> <span class='ident'>do_keypair_case</span>(<span class='ident'>seed</span>: [<span class='ident'>u8</span>; <span class='number'>32</span>], <span class='ident'>expected_secret</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>], <span class='ident'>expected_public</span>: [<span class='ident'>u8</span>; <span class='number'>32</span>]) {
<span class='kw'>let</span> (<span class='ident'>actual_secret</span>, <span class='ident'>actual_public</span>) <span class='op'>=</span> <span class='ident'>keypair</span>(<span class='ident'>seed</span>.<span class='ident'>as_ref</span>());
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>actual_secret</span>.<span class='ident'>to_vec</span>(), <span class='ident'>expected_secret</span>.<span class='ident'>to_vec</span>());
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>actual_public</span>.<span class='ident'>to_vec</span>(), <span class='ident'>expected_public</span>.<span class='ident'>to_vec</span>());
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>keypair_cases</span>() {
<span class='ident'>do_keypair_case</span>(
[<span class='number'>0x26</span>, <span class='number'>0x27</span>, <span class='number'>0xf6</span>, <span class='number'>0x85</span>, <span class='number'>0x97</span>, <span class='number'>0x15</span>, <span class='number'>0xad</span>, <span class='number'>0x1d</span>, <span class='number'>0xd2</span>, <span class='number'>0x94</span>, <span class='number'>0xdd</span>, <span class='number'>0xc4</span>, <span class='number'>0x76</span>, <span class='number'>0x19</span>, <span class='number'>0x39</span>, <span class='number'>0x31</span>,
<span class='number'>0xf1</span>, <span class='number'>0xad</span>, <span class='number'>0xb5</span>, <span class='number'>0x58</span>, <span class='number'>0xf0</span>, <span class='number'>0x93</span>, <span class='number'>0x97</span>, <span class='number'>0x32</span>, <span class='number'>0x19</span>, <span class='number'>0x2b</span>, <span class='number'>0xd1</span>, <span class='number'>0xc0</span>, <span class='number'>0xfd</span>, <span class='number'>0x16</span>, <span class='number'>0x8e</span>, <span class='number'>0x4e</span>],
[<span class='number'>0x26</span>, <span class='number'>0x27</span>, <span class='number'>0xf6</span>, <span class='number'>0x85</span>, <span class='number'>0x97</span>, <span class='number'>0x15</span>, <span class='number'>0xad</span>, <span class='number'>0x1d</span>, <span class='number'>0xd2</span>, <span class='number'>0x94</span>, <span class='number'>0xdd</span>, <span class='number'>0xc4</span>, <span class='number'>0x76</span>, <span class='number'>0x19</span>, <span class='number'>0x39</span>, <span class='number'>0x31</span>,
<span class='number'>0xf1</span>, <span class='number'>0xad</span>, <span class='number'>0xb5</span>, <span class='number'>0x58</span>, <span class='number'>0xf0</span>, <span class='number'>0x93</span>, <span class='number'>0x97</span>, <span class='number'>0x32</span>, <span class='number'>0x19</span>, <span class='number'>0x2b</span>, <span class='number'>0xd1</span>, <span class='number'>0xc0</span>, <span class='number'>0xfd</span>, <span class='number'>0x16</span>, <span class='number'>0x8e</span>, <span class='number'>0x4e</span>,
<span class='number'>0x5d</span>, <span class='number'>0x6d</span>, <span class='number'>0x23</span>, <span class='number'>0x6b</span>, <span class='number'>0x52</span>, <span class='number'>0xd1</span>, <span class='number'>0x8e</span>, <span class='number'>0x3a</span>, <span class='number'>0xb6</span>, <span class='number'>0xd6</span>, <span class='number'>0x07</span>, <span class='number'>0x2f</span>, <span class='number'>0xb6</span>, <span class='number'>0xe4</span>, <span class='number'>0xc7</span>, <span class='number'>0xd4</span>,
<span class='number'>0x6b</span>, <span class='number'>0xd5</span>, <span class='number'>0x9a</span>, <span class='number'>0xd9</span>, <span class='number'>0xcc</span>, <span class='number'>0x19</span>, <span class='number'>0x47</span>, <span class='number'>0x26</span>, <span class='number'>0x5f</span>, <span class='number'>0x00</span>, <span class='number'>0xb7</span>, <span class='number'>0x20</span>, <span class='number'>0xfa</span>, <span class='number'>0x2c</span>, <span class='number'>0x8f</span>, <span class='number'>0x66</span>],
[<span class='number'>0x5d</span>, <span class='number'>0x6d</span>, <span class='number'>0x23</span>, <span class='number'>0x6b</span>, <span class='number'>0x52</span>, <span class='number'>0xd1</span>, <span class='number'>0x8e</span>, <span class='number'>0x3a</span>, <span class='number'>0xb6</span>, <span class='number'>0xd6</span>, <span class='number'>0x07</span>, <span class='number'>0x2f</span>, <span class='number'>0xb6</span>, <span class='number'>0xe4</span>, <span class='number'>0xc7</span>, <span class='number'>0xd4</span>,
<span class='number'>0x6b</span>, <span class='number'>0xd5</span>, <span class='number'>0x9a</span>, <span class='number'>0xd9</span>, <span class='number'>0xcc</span>, <span class='number'>0x19</span>, <span class='number'>0x47</span>, <span class='number'>0x26</span>, <span class='number'>0x5f</span>, <span class='number'>0x00</span>, <span class='number'>0xb7</span>, <span class='number'>0x20</span>, <span class='number'>0xfa</span>, <span class='number'>0x2c</span>, <span class='number'>0x8f</span>, <span class='number'>0x66</span>]);
<span class='ident'>do_keypair_case</span>(
[<span class='number'>0x29</span>, <span class='number'>0x23</span>, <span class='number'>0xbe</span>, <span class='number'>0x84</span>, <span class='number'>0xe1</span>, <span class='number'>0x6c</span>, <span class='number'>0xd6</span>, <span class='number'>0xae</span>, <span class='number'>0x52</span>, <span class='number'>0x90</span>, <span class='number'>0x49</span>, <span class='number'>0xf1</span>, <span class='number'>0xf1</span>, <span class='number'>0xbb</span>, <span class='number'>0xe9</span>, <span class='number'>0xeb</span>,
<span class='number'>0xb3</span>, <span class='number'>0xa6</span>, <span class='number'>0xdb</span>, <span class='number'>0x3c</span>, <span class='number'>0x87</span>, <span class='number'>0x0c</span>, <span class='number'>0x3e</span>, <span class='number'>0x99</span>, <span class='number'>0x24</span>, <span class='number'>0x5e</span>, <span class='number'>0x0d</span>, <span class='number'>0x1c</span>, <span class='number'>0x06</span>, <span class='number'>0xb7</span>, <span class='number'>0x47</span>, <span class='number'>0xde</span>],
[<span class='number'>0x29</span>, <span class='number'>0x23</span>, <span class='number'>0xbe</span>, <span class='number'>0x84</span>, <span class='number'>0xe1</span>, <span class='number'>0x6c</span>, <span class='number'>0xd6</span>, <span class='number'>0xae</span>, <span class='number'>0x52</span>, <span class='number'>0x90</span>, <span class='number'>0x49</span>, <span class='number'>0xf1</span>, <span class='number'>0xf1</span>, <span class='number'>0xbb</span>, <span class='number'>0xe9</span>, <span class='number'>0xeb</span>,
<span class='number'>0xb3</span>, <span class='number'>0xa6</span>, <span class='number'>0xdb</span>, <span class='number'>0x3c</span>, <span class='number'>0x87</span>, <span class='number'>0x0c</span>, <span class='number'>0x3e</span>, <span class='number'>0x99</span>, <span class='number'>0x24</span>, <span class='number'>0x5e</span>, <span class='number'>0x0d</span>, <span class='number'>0x1c</span>, <span class='number'>0x06</span>, <span class='number'>0xb7</span>, <span class='number'>0x47</span>, <span class='number'>0xde</span>,
<span class='number'>0x5d</span>, <span class='number'>0x83</span>, <span class='number'>0x31</span>, <span class='number'>0x26</span>, <span class='number'>0x56</span>, <span class='number'>0x0c</span>, <span class='number'>0xb1</span>, <span class='number'>0x9a</span>, <span class='number'>0x14</span>, <span class='number'>0x19</span>, <span class='number'>0x37</span>, <span class='number'>0x27</span>, <span class='number'>0x78</span>, <span class='number'>0x96</span>, <span class='number'>0xf0</span>, <span class='number'>0xfd</span>,
<span class='number'>0x43</span>, <span class='number'>0x7b</span>, <span class='number'>0xa6</span>, <span class='number'>0x80</span>, <span class='number'>0x1e</span>, <span class='number'>0xb2</span>, <span class='number'>0x10</span>, <span class='number'>0xac</span>, <span class='number'>0x4c</span>, <span class='number'>0x39</span>, <span class='number'>0xd9</span>, <span class='number'>0x00</span>, <span class='number'>0x72</span>, <span class='number'>0xd7</span>, <span class='number'>0x0d</span>, <span class='number'>0xa8</span>],
[<span class='number'>0x5d</span>, <span class='number'>0x83</span>, <span class='number'>0x31</span>, <span class='number'>0x26</span>, <span class='number'>0x56</span>, <span class='number'>0x0c</span>, <span class='number'>0xb1</span>, <span class='number'>0x9a</span>, <span class='number'>0x14</span>, <span class='number'>0x19</span>, <span class='number'>0x37</span>, <span class='number'>0x27</span>, <span class='number'>0x78</span>, <span class='number'>0x96</span>, <span class='number'>0xf0</span>, <span class='number'>0xfd</span>,
<span class='number'>0x43</span>, <span class='number'>0x7b</span>, <span class='number'>0xa6</span>, <span class='number'>0x80</span>, <span class='number'>0x1e</span>, <span class='number'>0xb2</span>, <span class='number'>0x10</span>, <span class='number'>0xac</span>, <span class='number'>0x4c</span>, <span class='number'>0x39</span>, <span class='number'>0xd9</span>, <span class='number'>0x00</span>, <span class='number'>0x72</span>, <span class='number'>0xd7</span>, <span class='number'>0x0d</span>, <span class='number'>0xa8</span>]);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>keypair_matches_mont</span>() {
<span class='kw'>let</span> <span class='ident'>seed</span> <span class='op'>=</span> [<span class='number'>0x26</span>, <span class='number'>0x27</span>, <span class='number'>0xf6</span>, <span class='number'>0x85</span>, <span class='number'>0x97</span>, <span class='number'>0x15</span>, <span class='number'>0xad</span>, <span class='number'>0x1d</span>, <span class='number'>0xd2</span>, <span class='number'>0x94</span>, <span class='number'>0xdd</span>, <span class='number'>0xc4</span>, <span class='number'>0x76</span>, <span class='number'>0x19</span>, <span class='number'>0x39</span>, <span class='number'>0x31</span>,
<span class='number'>0xf1</span>, <span class='number'>0xad</span>, <span class='number'>0xb5</span>, <span class='number'>0x58</span>, <span class='number'>0xf0</span>, <span class='number'>0x93</span>, <span class='number'>0x97</span>, <span class='number'>0x32</span>, <span class='number'>0x19</span>, <span class='number'>0x2b</span>, <span class='number'>0xd1</span>, <span class='number'>0xc0</span>, <span class='number'>0xfd</span>, <span class='number'>0x16</span>, <span class='number'>0x8e</span>, <span class='number'>0x4e</span>];
<span class='kw'>let</span> (<span class='ident'>ed_private</span>, <span class='ident'>ed_public</span>) <span class='op'>=</span> <span class='ident'>keypair</span>(<span class='ident'>seed</span>.<span class='ident'>as_ref</span>());
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hasher</span> <span class='op'>=</span> <span class='ident'>Sha512</span>::<span class='ident'>new</span>();
<span class='ident'>hasher</span>.<span class='ident'>input</span>(<span class='kw-2'>&</span><span class='ident'>ed_private</span>[<span class='number'>0</span>..<span class='number'>32</span>]);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hash</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>] <span class='op'>=</span> [<span class='number'>0</span>; <span class='number'>64</span>];
<span class='ident'>hasher</span>.<span class='ident'>result</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>hash</span>);
<span class='ident'>hash</span>[<span class='number'>0</span>] <span class='op'>&=</span> <span class='number'>248</span>;
<span class='ident'>hash</span>[<span class='number'>31</span>] <span class='op'>&=</span> <span class='number'>127</span>;
<span class='ident'>hash</span>[<span class='number'>31</span>] <span class='op'>|=</span> <span class='number'>64</span>;
<span class='kw'>let</span> <span class='ident'>cv_public</span> <span class='op'>=</span> <span class='ident'>curve25519_base</span>(<span class='kw-2'>&</span><span class='ident'>hash</span>);
<span class='kw'>let</span> <span class='ident'>edx_ss</span> <span class='op'>=</span> <span class='ident'>exchange</span>(<span class='kw-2'>&</span><span class='ident'>ed_public</span>, <span class='kw-2'>&</span><span class='ident'>ed_private</span>);
<span class='kw'>let</span> <span class='ident'>cv_ss</span> <span class='op'>=</span> <span class='ident'>curve25519</span>(<span class='kw-2'>&</span><span class='ident'>hash</span>, <span class='kw-2'>&</span><span class='ident'>cv_public</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>edx_ss</span>.<span class='ident'>to_vec</span>(), <span class='ident'>cv_ss</span>.<span class='ident'>to_vec</span>());
}
<span class='kw'>fn</span> <span class='ident'>do_sign_verify_case</span>(<span class='ident'>seed</span>: [<span class='ident'>u8</span>; <span class='number'>32</span>], <span class='ident'>message</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>], <span class='ident'>expected_signature</span>: [<span class='ident'>u8</span>; <span class='number'>64</span>]) {
<span class='kw'>let</span> (<span class='ident'>secret_key</span>, <span class='ident'>public_key</span>) <span class='op'>=</span> <span class='ident'>keypair</span>(<span class='ident'>seed</span>.<span class='ident'>as_ref</span>());
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>actual_signature</span> <span class='op'>=</span> <span class='ident'>signature</span>(<span class='ident'>message</span>, <span class='ident'>secret_key</span>.<span class='ident'>as_ref</span>());
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>expected_signature</span>.<span class='ident'>to_vec</span>(), <span class='ident'>actual_signature</span>.<span class='ident'>to_vec</span>());
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>verify</span>(<span class='ident'>message</span>, <span class='ident'>public_key</span>.<span class='ident'>as_ref</span>(), <span class='ident'>actual_signature</span>.<span class='ident'>as_ref</span>()));
<span class='kw'>for</span> <span class='kw-2'>&</span>(<span class='ident'>index</span>, <span class='ident'>flip</span>) <span class='kw'>in</span> [(<span class='number'>0</span>, <span class='number'>1</span>), (<span class='number'>31</span>, <span class='number'>0x80</span>), (<span class='number'>20</span>, <span class='number'>0xff</span>)].<span class='ident'>iter</span>() {
<span class='ident'>actual_signature</span>[<span class='ident'>index</span>] <span class='op'>^=</span> <span class='ident'>flip</span>;
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>verify</span>(<span class='ident'>message</span>, <span class='ident'>public_key</span>.<span class='ident'>as_ref</span>(), <span class='ident'>actual_signature</span>.<span class='ident'>as_ref</span>()));
<span class='ident'>actual_signature</span>[<span class='ident'>index</span>] <span class='op'>^=</span> <span class='ident'>flip</span>;
}
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>public_key_corrupt</span> <span class='op'>=</span> <span class='ident'>public_key</span>;
<span class='ident'>public_key_corrupt</span>[<span class='number'>0</span>] <span class='op'>^=</span> <span class='number'>1</span>;
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>verify</span>(<span class='ident'>message</span>, <span class='ident'>public_key_corrupt</span>.<span class='ident'>as_ref</span>(), <span class='ident'>actual_signature</span>.<span class='ident'>as_ref</span>()));
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>sign_verify_cases</span>() {
<span class='ident'>do_sign_verify_case</span>(
[<span class='number'>0x2d</span>, <span class='number'>0x20</span>, <span class='number'>0x86</span>, <span class='number'>0x83</span>, <span class='number'>0x2c</span>, <span class='number'>0xc2</span>, <span class='number'>0xfe</span>, <span class='number'>0x3f</span>, <span class='number'>0xd1</span>, <span class='number'>0x8c</span>, <span class='number'>0xb5</span>, <span class='number'>0x1d</span>, <span class='number'>0x6c</span>, <span class='number'>0x5e</span>, <span class='number'>0x99</span>, <span class='number'>0xa5</span>,
<span class='number'>0x75</span>, <span class='number'>0x9f</span>, <span class='number'>0x02</span>, <span class='number'>0x21</span>, <span class='number'>0x1f</span>, <span class='number'>0x85</span>, <span class='number'>0xe5</span>, <span class='number'>0xff</span>, <span class='number'>0x2f</span>, <span class='number'>0x90</span>, <span class='number'>0x4a</span>, <span class='number'>0x78</span>, <span class='number'>0x0f</span>, <span class='number'>0x58</span>, <span class='number'>0x00</span>, <span class='number'>0x6f</span>],
[<span class='number'>0x89</span>, <span class='number'>0x8f</span>, <span class='number'>0x9c</span>, <span class='number'>0x4b</span>, <span class='number'>0x2c</span>, <span class='number'>0x6e</span>, <span class='number'>0xe9</span>, <span class='number'>0xe2</span>, <span class='number'>0x28</span>, <span class='number'>0x76</span>, <span class='number'>0x1c</span>, <span class='number'>0xa5</span>, <span class='number'>0x08</span>, <span class='number'>0x97</span>, <span class='number'>0xb7</span>, <span class='number'>0x1f</span>,
<span class='number'>0xfe</span>, <span class='number'>0xca</span>, <span class='number'>0x1c</span>, <span class='number'>0x35</span>, <span class='number'>0x28</span>, <span class='number'>0x46</span>, <span class='number'>0xf5</span>, <span class='number'>0xfe</span>, <span class='number'>0x13</span>, <span class='number'>0xf7</span>, <span class='number'>0xd3</span>, <span class='number'>0xd5</span>, <span class='number'>0x7e</span>, <span class='number'>0x2c</span>, <span class='number'>0x15</span>, <span class='number'>0xac</span>,
<span class='number'>0x60</span>, <span class='number'>0x90</span>, <span class='number'>0x0c</span>, <span class='number'>0xa3</span>, <span class='number'>0x2c</span>, <span class='number'>0x5b</span>, <span class='number'>0x5d</span>, <span class='number'>0xd9</span>, <span class='number'>0x53</span>, <span class='number'>0xc9</span>, <span class='number'>0xa6</span>, <span class='number'>0x81</span>, <span class='number'>0x0a</span>, <span class='number'>0xcc</span>, <span class='number'>0x64</span>, <span class='number'>0x39</span>,
<span class='number'>0x4f</span>, <span class='number'>0xfd</span>, <span class='number'>0x14</span>, <span class='number'>0x98</span>, <span class='number'>0x26</span>, <span class='number'>0xd9</span>, <span class='number'>0x98</span>, <span class='number'>0x06</span>, <span class='number'>0x29</span>, <span class='number'>0x2a</span>, <span class='number'>0xdd</span>, <span class='number'>0xd1</span>, <span class='number'>0x3f</span>, <span class='number'>0xc3</span>, <span class='number'>0xbb</span>, <span class='number'>0x7d</span>,
<span class='number'>0xac</span>, <span class='number'>0x70</span>, <span class='number'>0x1c</span>, <span class='number'>0x5b</span>, <span class='number'>0x4a</span>, <span class='number'>0x2d</span>, <span class='number'>0x61</span>, <span class='number'>0x5d</span>, <span class='number'>0x15</span>, <span class='number'>0x96</span>, <span class='number'>0x01</span>, <span class='number'>0x28</span>, <span class='number'>0xed</span>, <span class='number'>0x9f</span>, <span class='number'>0x73</span>, <span class='number'>0x6b</span>,
<span class='number'>0x98</span>, <span class='number'>0x85</span>, <span class='number'>0x4f</span>, <span class='number'>0x6f</span>, <span class='number'>0x07</span>, <span class='number'>0x05</span>, <span class='number'>0xb0</span>, <span class='number'>0xf0</span>, <span class='number'>0xda</span>, <span class='number'>0xcb</span>, <span class='number'>0xdc</span>, <span class='number'>0x2c</span>, <span class='number'>0x26</span>, <span class='number'>0x2d</span>, <span class='number'>0x27</span>, <span class='number'>0x39</span>,
<span class='number'>0x75</span>, <span class='number'>0x19</span>, <span class='number'>0x14</span>, <span class='number'>0x9b</span>, <span class='number'>0x0e</span>, <span class='number'>0x4c</span>, <span class='number'>0xbe</span>, <span class='number'>0x16</span>, <span class='number'>0x77</span>, <span class='number'>0xc5</span>, <span class='number'>0x76</span>, <span class='number'>0xc1</span>, <span class='number'>0x39</span>, <span class='number'>0x7a</span>, <span class='number'>0xae</span>, <span class='number'>0x5c</span>,
<span class='number'>0xe3</span>, <span class='number'>0x49</span>, <span class='number'>0x16</span>, <span class='number'>0xe3</span>, <span class='number'>0x51</span>, <span class='number'>0x31</span>, <span class='number'>0x04</span>, <span class='number'>0x63</span>, <span class='number'>0x2e</span>, <span class='number'>0xc2</span>, <span class='number'>0x19</span>, <span class='number'>0x0d</span>, <span class='number'>0xb8</span>, <span class='number'>0xd2</span>, <span class='number'>0x22</span>, <span class='number'>0x89</span>,
<span class='number'>0xc3</span>, <span class='number'>0x72</span>, <span class='number'>0x3c</span>, <span class='number'>0x8d</span>, <span class='number'>0x01</span>, <span class='number'>0x21</span>, <span class='number'>0x3c</span>, <span class='number'>0xad</span>, <span class='number'>0x80</span>, <span class='number'>0x3f</span>, <span class='number'>0x4d</span>, <span class='number'>0x75</span>, <span class='number'>0x74</span>, <span class='number'>0xc4</span>, <span class='number'>0xdb</span>, <span class='number'>0xb5</span>,
<span class='number'>0x37</span>, <span class='number'>0x31</span>, <span class='number'>0xb0</span>, <span class='number'>0x1c</span>, <span class='number'>0x8e</span>, <span class='number'>0xc7</span>, <span class='number'>0x5d</span>, <span class='number'>0x08</span>, <span class='number'>0x2e</span>, <span class='number'>0xf7</span>, <span class='number'>0xdc</span>, <span class='number'>0x9d</span>, <span class='number'>0x7f</span>, <span class='number'>0x1b</span>, <span class='number'>0x73</span>, <span class='number'>0x15</span>,
<span class='number'>0x9f</span>, <span class='number'>0x63</span>, <span class='number'>0xdb</span>, <span class='number'>0x56</span>, <span class='number'>0xaa</span>, <span class='number'>0x12</span>, <span class='number'>0xa2</span>, <span class='number'>0xca</span>, <span class='number'>0x39</span>, <span class='number'>0xea</span>, <span class='number'>0xce</span>, <span class='number'>0x6b</span>, <span class='number'>0x28</span>, <span class='number'>0xe4</span>, <span class='number'>0xc3</span>, <span class='number'>0x1d</span>,
<span class='number'>0x9d</span>, <span class='number'>0x25</span>, <span class='number'>0x67</span>, <span class='number'>0x41</span>, <span class='number'>0x45</span>, <span class='number'>0x2e</span>, <span class='number'>0x83</span>, <span class='number'>0x87</span>, <span class='number'>0xe1</span>, <span class='number'>0x53</span>, <span class='number'>0x6d</span>, <span class='number'>0x03</span>, <span class='number'>0x02</span>, <span class='number'>0x6e</span>, <span class='number'>0xe4</span>, <span class='number'>0x84</span>,
<span class='number'>0x10</span>, <span class='number'>0xd4</span>, <span class='number'>0x3b</span>, <span class='number'>0x21</span>, <span class='number'>0x91</span>, <span class='number'>0x88</span>, <span class='number'>0xba</span>, <span class='number'>0x14</span>, <span class='number'>0xa8</span>, <span class='number'>0xaf</span>].<span class='ident'>as_ref</span>(),
[<span class='number'>0x91</span>, <span class='number'>0x20</span>, <span class='number'>0x91</span>, <span class='number'>0x66</span>, <span class='number'>0x1e</span>, <span class='number'>0xed</span>, <span class='number'>0x18</span>, <span class='number'>0xa4</span>, <span class='number'>0x03</span>, <span class='number'>0x4b</span>, <span class='number'>0xc7</span>, <span class='number'>0xdb</span>, <span class='number'>0x4b</span>, <span class='number'>0xd6</span>, <span class='number'>0x0f</span>, <span class='number'>0xe2</span>,
<span class='number'>0xde</span>, <span class='number'>0xeb</span>, <span class='number'>0xf3</span>, <span class='number'>0xff</span>, <span class='number'>0x3b</span>, <span class='number'>0x6b</span>, <span class='number'>0x99</span>, <span class='number'>0x8d</span>, <span class='number'>0xae</span>, <span class='number'>0x20</span>, <span class='number'>0x94</span>, <span class='number'>0xb6</span>, <span class='number'>0x09</span>, <span class='number'>0x86</span>, <span class='number'>0x5c</span>, <span class='number'>0x20</span>,
<span class='number'>0x19</span>, <span class='number'>0xec</span>, <span class='number'>0x67</span>, <span class='number'>0x22</span>, <span class='number'>0xbf</span>, <span class='number'>0xdc</span>, <span class='number'>0x87</span>, <span class='number'>0xbd</span>, <span class='number'>0xa5</span>, <span class='number'>0x40</span>, <span class='number'>0x91</span>, <span class='number'>0x92</span>, <span class='number'>0x2e</span>, <span class='number'>0x11</span>, <span class='number'>0xe3</span>, <span class='number'>0x93</span>,
<span class='number'>0xf5</span>, <span class='number'>0xfd</span>, <span class='number'>0xce</span>, <span class='number'>0xea</span>, <span class='number'>0x3e</span>, <span class='number'>0x09</span>, <span class='number'>0x1f</span>, <span class='number'>0x2e</span>, <span class='number'>0xe6</span>, <span class='number'>0xbc</span>, <span class='number'>0x62</span>, <span class='number'>0xdf</span>, <span class='number'>0x94</span>, <span class='number'>0x8e</span>, <span class='number'>0x99</span>, <span class='number'>0x09</span>]
);
<span class='ident'>do_sign_verify_case</span>(
[<span class='number'>0x33</span>, <span class='number'>0x19</span>, <span class='number'>0x17</span>, <span class='number'>0x82</span>, <span class='number'>0xc1</span>, <span class='number'>0x70</span>, <span class='number'>0x4f</span>, <span class='number'>0x60</span>, <span class='number'>0xd0</span>, <span class='number'>0x84</span>, <span class='number'>0x8d</span>, <span class='number'>0x75</span>, <span class='number'>0x62</span>, <span class='number'>0xa2</span>, <span class='number'>0xfa</span>, <span class='number'>0x19</span>,
<span class='number'>0xf9</span>, <span class='number'>0x92</span>, <span class='number'>0x4f</span>, <span class='number'>0xea</span>, <span class='number'>0x4e</span>, <span class='number'>0x77</span>, <span class='number'>0x33</span>, <span class='number'>0xcd</span>, <span class='number'>0x45</span>, <span class='number'>0xf6</span>, <span class='number'>0xc3</span>, <span class='number'>0x2f</span>, <span class='number'>0x21</span>, <span class='number'>0x9a</span>, <span class='number'>0x72</span>, <span class='number'>0x91</span>],
[<span class='number'>0x77</span>, <span class='number'>0x13</span>, <span class='number'>0x43</span>, <span class='number'>0x5a</span>, <span class='number'>0x0e</span>, <span class='number'>0x34</span>, <span class='number'>0x6f</span>, <span class='number'>0x67</span>, <span class='number'>0x71</span>, <span class='number'>0xae</span>, <span class='number'>0x5a</span>, <span class='number'>0xde</span>, <span class='number'>0xa8</span>, <span class='number'>0x7a</span>, <span class='number'>0xe7</span>, <span class='number'>0xa4</span>,
<span class='number'>0x52</span>, <span class='number'>0xc6</span>, <span class='number'>0x5d</span>, <span class='number'>0x74</span>, <span class='number'>0x8f</span>, <span class='number'>0x48</span>, <span class='number'>0x69</span>, <span class='number'>0xd3</span>, <span class='number'>0x1e</span>, <span class='number'>0xd3</span>, <span class='number'>0x67</span>, <span class='number'>0x47</span>, <span class='number'>0xc3</span>, <span class='number'>0x28</span>, <span class='number'>0xdd</span>, <span class='number'>0xc4</span>,
<span class='number'>0xec</span>, <span class='number'>0x0e</span>, <span class='number'>0x48</span>, <span class='number'>0x67</span>, <span class='number'>0x93</span>, <span class='number'>0xa5</span>, <span class='number'>0x1c</span>, <span class='number'>0x67</span>, <span class='number'>0x66</span>, <span class='number'>0xf7</span>, <span class='number'>0x06</span>, <span class='number'>0x48</span>, <span class='number'>0x26</span>, <span class='number'>0xd0</span>, <span class='number'>0x74</span>, <span class='number'>0x51</span>,
<span class='number'>0x4d</span>, <span class='number'>0xd0</span>, <span class='number'>0x57</span>, <span class='number'>0x41</span>, <span class='number'>0xf3</span>, <span class='number'>0xbe</span>, <span class='number'>0x27</span>, <span class='number'>0x3e</span>, <span class='number'>0xf2</span>, <span class='number'>0x1f</span>, <span class='number'>0x28</span>, <span class='number'>0x0e</span>, <span class='number'>0x49</span>, <span class='number'>0x07</span>, <span class='number'>0xed</span>, <span class='number'>0x89</span>,
<span class='number'>0xbe</span>, <span class='number'>0x30</span>, <span class='number'>0x1a</span>, <span class='number'>0x4e</span>, <span class='number'>0xc8</span>, <span class='number'>0x49</span>, <span class='number'>0x6e</span>, <span class='number'>0xb6</span>, <span class='number'>0xab</span>, <span class='number'>0x90</span>, <span class='number'>0x00</span>, <span class='number'>0x06</span>, <span class='number'>0xe5</span>, <span class='number'>0xa3</span>, <span class='number'>0xc8</span>, <span class='number'>0xe9</span>,
<span class='number'>0xc9</span>, <span class='number'>0x93</span>, <span class='number'>0x62</span>, <span class='number'>0x1d</span>, <span class='number'>0x6a</span>, <span class='number'>0x3b</span>, <span class='number'>0x0f</span>, <span class='number'>0x6c</span>, <span class='number'>0xba</span>, <span class='number'>0xd0</span>, <span class='number'>0xfd</span>, <span class='number'>0xde</span>, <span class='number'>0xf3</span>, <span class='number'>0xb9</span>, <span class='number'>0xc8</span>, <span class='number'>0x2d</span>].<span class='ident'>as_ref</span>(),
[<span class='number'>0x4b</span>, <span class='number'>0x8d</span>, <span class='number'>0x9b</span>, <span class='number'>0x1e</span>, <span class='number'>0xca</span>, <span class='number'>0x54</span>, <span class='number'>0x00</span>, <span class='number'>0xea</span>, <span class='number'>0xc6</span>, <span class='number'>0xf5</span>, <span class='number'>0xcc</span>, <span class='number'>0x0c</span>, <span class='number'>0x94</span>, <span class='number'>0x39</span>, <span class='number'>0x63</span>, <span class='number'>0x00</span>,
<span class='number'>0x52</span>, <span class='number'>0xf7</span>, <span class='number'>0x34</span>, <span class='number'>0xce</span>, <span class='number'>0x45</span>, <span class='number'>0x3e</span>, <span class='number'>0x94</span>, <span class='number'>0x26</span>, <span class='number'>0xf3</span>, <span class='number'>0x19</span>, <span class='number'>0xdd</span>, <span class='number'>0x96</span>, <span class='number'>0x03</span>, <span class='number'>0xb6</span>, <span class='number'>0xae</span>, <span class='number'>0xae</span>,
<span class='number'>0xb9</span>, <span class='number'>0xd2</span>, <span class='number'>0x3a</span>, <span class='number'>0x5f</span>, <span class='number'>0x93</span>, <span class='number'>0xf0</span>, <span class='number'>0x6a</span>, <span class='number'>0x46</span>, <span class='number'>0x00</span>, <span class='number'>0x18</span>, <span class='number'>0xf0</span>, <span class='number'>0x69</span>, <span class='number'>0xdf</span>, <span class='number'>0x19</span>, <span class='number'>0x44</span>, <span class='number'>0x48</span>,
<span class='number'>0xf5</span>, <span class='number'>0x60</span>, <span class='number'>0x51</span>, <span class='number'>0xab</span>, <span class='number'>0x9e</span>, <span class='number'>0x6b</span>, <span class='number'>0xfa</span>, <span class='number'>0xeb</span>, <span class='number'>0x64</span>, <span class='number'>0x10</span>, <span class='number'>0x16</span>, <span class='number'>0xf7</span>, <span class='number'>0xa9</span>, <span class='number'>0x0b</span>, <span class='number'>0xe2</span>, <span class='number'>0x0c</span>]
);
}
}
</pre>
</section>
<section id='search' class="content hidden"></section>
<section class="footer"></section>
<aside id="help" class="hidden">
<div>
<h1 class="hidden">Help</h1>
<div class="shortcuts">
<h2>Keyboard Shortcuts</h2>
<dl>
<dt>?</dt>
<dd>Show this help dialog</dd>
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<dd>Focus the search field</dd>
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<dd>Move up in search results</dd>
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Prefix searches with a type followed by a colon (e.g.
<code>fn:</code>) to restrict the search to a given type.
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Accepted types are: <code>fn</code>, <code>mod</code>,
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and <code>const</code>.
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<p>
Search functions by type signature (e.g.
<code>vec -> usize</code> or <code>* -> vec</code>)
</p>
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