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| <div class="title">wcc_BN254CX.h File Reference</div> </div> |
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| |
| <p>WCC Header File. |
| <a href="#details">More...</a></p> |
| <div class="textblock"><code>#include "<a class="el" href="pair__BN254CX_8h_source.html">pair_BN254CX.h</a>"</code><br /> |
| <code>#include "<a class="el" href="pbc__support_8h_source.html">pbc_support.h</a>"</code><br /> |
| </div> |
| <p><a href="wcc__BN254CX_8h_source.html">Go to the source code of this file.</a></p> |
| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> |
| Macros</h2></td></tr> |
| <tr class="memitem:a48470f7acbc2c3d7ad80feb2dcf365fc"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#a48470f7acbc2c3d7ad80feb2dcf365fc">WCC_PGS_BN254CX</a>   <a class="el" href="config__big__256__56_8h.html#ab45850a8aedd0d0a0a7c5f2cc09aba9e">MODBYTES_256_56</a></td></tr> |
| <tr class="separator:a48470f7acbc2c3d7ad80feb2dcf365fc"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ad8d772aea73413632224d324c1ceee18"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#ad8d772aea73413632224d324c1ceee18">WCC_PFS_BN254CX</a>   <a class="el" href="config__big__256__56_8h.html#ab45850a8aedd0d0a0a7c5f2cc09aba9e">MODBYTES_256_56</a></td></tr> |
| <tr class="separator:ad8d772aea73413632224d324c1ceee18"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a91291c41e3237e9b64d98d4052805841"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#a91291c41e3237e9b64d98d4052805841">WCC_OK</a>   0</td></tr> |
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| <tr class="memitem:a700ca6eda19205f1d60161b8314a9552"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#a700ca6eda19205f1d60161b8314a9552">WCC_INVALID_POINT</a>   -51</td></tr> |
| <tr class="separator:a700ca6eda19205f1d60161b8314a9552"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a1e05b1cc58149344b3646bfaccd634a6"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#a1e05b1cc58149344b3646bfaccd634a6">TIME_SLOT_MINUTES</a>   1440</td></tr> |
| <tr class="separator:a1e05b1cc58149344b3646bfaccd634a6"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a88208820c0de8e46fe682d2e1ea225bb"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#a88208820c0de8e46fe682d2e1ea225bb">PIV</a>   12</td></tr> |
| <tr class="separator:a88208820c0de8e46fe682d2e1ea225bb"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a15af35aa0d71cab6c5c72dac99de8215"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#a15af35aa0d71cab6c5c72dac99de8215">PTAG</a>   16</td></tr> |
| <tr class="separator:a15af35aa0d71cab6c5c72dac99de8215"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr class="memitem:af0de92daf688214722903036ceb0df1f"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#af0de92daf688214722903036ceb0df1f">WCC_BN254CX_RANDOM_GENERATE</a> (<a class="el" href="structcsprng.html">csprng</a> *RNG, <a class="el" href="structoctet.html">octet</a> *S)</td></tr> |
| <tr class="memdesc:af0de92daf688214722903036ceb0df1f"><td class="mdescLeft"> </td><td class="mdescRight">Generate a random integer. <a href="#af0de92daf688214722903036ceb0df1f">More...</a><br /></td></tr> |
| <tr class="separator:af0de92daf688214722903036ceb0df1f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ab96caf5f66b5705e7a14244f20919a82"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#ab96caf5f66b5705e7a14244f20919a82">WCC_BN254CX_Hq</a> (int sha, <a class="el" href="structoctet.html">octet</a> *A, <a class="el" href="structoctet.html">octet</a> *B, <a class="el" href="structoctet.html">octet</a> *C, <a class="el" href="structoctet.html">octet</a> *D, <a class="el" href="structoctet.html">octet</a> *h)</td></tr> |
| <tr class="memdesc:ab96caf5f66b5705e7a14244f20919a82"><td class="mdescLeft"> </td><td class="mdescRight">Hash EC Points and Id to an integer. <a href="#ab96caf5f66b5705e7a14244f20919a82">More...</a><br /></td></tr> |
| <tr class="separator:ab96caf5f66b5705e7a14244f20919a82"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a84108970f1f4917b1d639e63d5465cf1"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#a84108970f1f4917b1d639e63d5465cf1">WCC_BN254CX_GET_G2_MULTIPLE</a> (<a class="el" href="structoctet.html">octet</a> *S, <a class="el" href="structoctet.html">octet</a> *HID, <a class="el" href="structoctet.html">octet</a> *VG2)</td></tr> |
| <tr class="memdesc:a84108970f1f4917b1d639e63d5465cf1"><td class="mdescLeft"> </td><td class="mdescRight">Calculate value in G2 multiplied by an integer. <a href="#a84108970f1f4917b1d639e63d5465cf1">More...</a><br /></td></tr> |
| <tr class="separator:a84108970f1f4917b1d639e63d5465cf1"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a7750cf2c696ba2a81165ffef84027d51"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#a7750cf2c696ba2a81165ffef84027d51">WCC_BN254CX_GET_G1_MULTIPLE</a> (<a class="el" href="structoctet.html">octet</a> *S, <a class="el" href="structoctet.html">octet</a> *HID, <a class="el" href="structoctet.html">octet</a> *VG1)</td></tr> |
| <tr class="memdesc:a7750cf2c696ba2a81165ffef84027d51"><td class="mdescLeft"> </td><td class="mdescRight">Calculate value in G1 multiplied by an integer. <a href="#a7750cf2c696ba2a81165ffef84027d51">More...</a><br /></td></tr> |
| <tr class="separator:a7750cf2c696ba2a81165ffef84027d51"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ae9ad93182fdcf3a81b32209a5c851323"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#ae9ad93182fdcf3a81b32209a5c851323">WCC_BN254CX_SENDER_KEY</a> (int sha, <a class="el" href="structoctet.html">octet</a> *xOct, <a class="el" href="structoctet.html">octet</a> *piaOct, <a class="el" href="structoctet.html">octet</a> *pibOct, <a class="el" href="structoctet.html">octet</a> *PbG2Oct, <a class="el" href="structoctet.html">octet</a> *PgG1Oct, <a class="el" href="structoctet.html">octet</a> *AKeyG1Oct, <a class="el" href="structoctet.html">octet</a> *IdBOct, <a class="el" href="structoctet.html">octet</a> *AESKeyOct)</td></tr> |
| <tr class="memdesc:ae9ad93182fdcf3a81b32209a5c851323"><td class="mdescLeft"> </td><td class="mdescRight">Calculate the sender AES key. <a href="#ae9ad93182fdcf3a81b32209a5c851323">More...</a><br /></td></tr> |
| <tr class="separator:ae9ad93182fdcf3a81b32209a5c851323"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a7217a15dce1351e78e6ddfd915ac0f96"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#a7217a15dce1351e78e6ddfd915ac0f96">WCC_BN254CX_RECEIVER_KEY</a> (int sha, <a class="el" href="structoctet.html">octet</a> *yOct, <a class="el" href="structoctet.html">octet</a> *wOct, <a class="el" href="structoctet.html">octet</a> *piaOct, <a class="el" href="structoctet.html">octet</a> *pibOct, <a class="el" href="structoctet.html">octet</a> *PaG1Oct, <a class="el" href="structoctet.html">octet</a> *PgG1Oct, <a class="el" href="structoctet.html">octet</a> *BKeyG2Oct, <a class="el" href="structoctet.html">octet</a> *IdAOct, <a class="el" href="structoctet.html">octet</a> *AESKeyOct)</td></tr> |
| <tr class="memdesc:a7217a15dce1351e78e6ddfd915ac0f96"><td class="mdescLeft"> </td><td class="mdescRight">Calculate the receiver AES key. <a href="#a7217a15dce1351e78e6ddfd915ac0f96">More...</a><br /></td></tr> |
| <tr class="separator:a7217a15dce1351e78e6ddfd915ac0f96"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a592e8794305d7e495f69da0239279019"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#a592e8794305d7e495f69da0239279019">WCC_BN254CX_RECOMBINE_G1</a> (<a class="el" href="structoctet.html">octet</a> *R1, <a class="el" href="structoctet.html">octet</a> *R2, <a class="el" href="structoctet.html">octet</a> *R)</td></tr> |
| <tr class="memdesc:a592e8794305d7e495f69da0239279019"><td class="mdescLeft"> </td><td class="mdescRight">Add two members from the group G1. <a href="#a592e8794305d7e495f69da0239279019">More...</a><br /></td></tr> |
| <tr class="separator:a592e8794305d7e495f69da0239279019"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a8657bb2f928c3c54d1e17de44886f98d"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="wcc__BN254CX_8h.html#a8657bb2f928c3c54d1e17de44886f98d">WCC_BN254CX_RECOMBINE_G2</a> (<a class="el" href="structoctet.html">octet</a> *W1, <a class="el" href="structoctet.html">octet</a> *W2, <a class="el" href="structoctet.html">octet</a> *W)</td></tr> |
| <tr class="memdesc:a8657bb2f928c3c54d1e17de44886f98d"><td class="mdescLeft"> </td><td class="mdescRight">Add two members from the group G2. <a href="#a8657bb2f928c3c54d1e17de44886f98d">More...</a><br /></td></tr> |
| <tr class="separator:a8657bb2f928c3c54d1e17de44886f98d"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><dl class="section author"><dt>Author</dt><dd>Mike Scott </dd> |
| <dd> |
| Kealan McCusker </dd></dl> |
| </div><h2 class="groupheader">Macro Definition Documentation</h2> |
| <a id="a88208820c0de8e46fe682d2e1ea225bb"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a88208820c0de8e46fe682d2e1ea225bb">◆ </a></span>PIV</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define PIV   12</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>AES-GCM Initialization Vector Size </p> |
| |
| </div> |
| </div> |
| <a id="a15af35aa0d71cab6c5c72dac99de8215"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a15af35aa0d71cab6c5c72dac99de8215">◆ </a></span>PTAG</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define PTAG   16</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>AES-GCM MAC Size </p> |
| |
| </div> |
| </div> |
| <a id="a1e05b1cc58149344b3646bfaccd634a6"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a1e05b1cc58149344b3646bfaccd634a6">◆ </a></span>TIME_SLOT_MINUTES</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define TIME_SLOT_MINUTES   1440</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Time Slot = 1 day </p> |
| |
| </div> |
| </div> |
| <a id="a700ca6eda19205f1d60161b8314a9552"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a700ca6eda19205f1d60161b8314a9552">◆ </a></span>WCC_INVALID_POINT</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define WCC_INVALID_POINT   -51</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Point is NOT on the curve </p> |
| |
| </div> |
| </div> |
| <a id="a91291c41e3237e9b64d98d4052805841"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a91291c41e3237e9b64d98d4052805841">◆ </a></span>WCC_OK</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define WCC_OK   0</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Function completed without error </p> |
| |
| </div> |
| </div> |
| <a id="ad8d772aea73413632224d324c1ceee18"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ad8d772aea73413632224d324c1ceee18">◆ </a></span>WCC_PFS_BN254CX</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define WCC_PFS_BN254CX   <a class="el" href="config__big__256__56_8h.html#ab45850a8aedd0d0a0a7c5f2cc09aba9e">MODBYTES_256_56</a></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>WCC Field Size </p> |
| |
| </div> |
| </div> |
| <a id="a48470f7acbc2c3d7ad80feb2dcf365fc"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a48470f7acbc2c3d7ad80feb2dcf365fc">◆ </a></span>WCC_PGS_BN254CX</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define WCC_PGS_BN254CX   <a class="el" href="config__big__256__56_8h.html#ab45850a8aedd0d0a0a7c5f2cc09aba9e">MODBYTES_256_56</a></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>WCC Group Size </p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Function Documentation</h2> |
| <a id="a7750cf2c696ba2a81165ffef84027d51"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a7750cf2c696ba2a81165ffef84027d51">◆ </a></span>WCC_BN254CX_GET_G1_MULTIPLE()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int WCC_BN254CX_GET_G1_MULTIPLE </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>S</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>HID</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>VG1</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Calculate a value in G1. VG1 = s*H1(ID) where ID is the identity.</p> |
| <ol> |
| <li> |
| VG1 = s*H1(ID) </li> |
| </ol> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">S</td><td>integer modulus curve order </td></tr> |
| <tr><td class="paramname">HID</td><td>Hash of ID padded with zeros to the field size </td></tr> |
| <tr><td class="paramname">VG1</td><td>EC point VG1 = s*H1(ID) </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>rtn Returns 0 if successful or else an error code </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a84108970f1f4917b1d639e63d5465cf1"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a84108970f1f4917b1d639e63d5465cf1">◆ </a></span>WCC_BN254CX_GET_G2_MULTIPLE()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int WCC_BN254CX_GET_G2_MULTIPLE </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>S</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>HID</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>VG2</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Calculate a value in G2. VG2 = s*H2(ID) where ID is the identity.</p> |
| <ol> |
| <li> |
| VG2 = s*H2(ID) </li> |
| </ol> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">S</td><td>integer modulus curve order </td></tr> |
| <tr><td class="paramname">HID</td><td>Hash of ID padded with zeros to the field size </td></tr> |
| <tr><td class="paramname">VG2</td><td>EC Point VG2 = s*H2(ID) </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>rtn Returns 0 if successful or else an error code </dd></dl> |
| |
| </div> |
| </div> |
| <a id="ab96caf5f66b5705e7a14244f20919a82"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ab96caf5f66b5705e7a14244f20919a82">◆ </a></span>WCC_BN254CX_Hq()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void WCC_BN254CX_Hq </td> |
| <td>(</td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>sha</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>A</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>B</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>C</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>D</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>h</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Perform sha256 of EC Points and Id. Map to an integer modulo the curve order.</p> |
| <ol> |
| <li> |
| x = toInteger(sha256(A,B,C,D)) </li> |
| <li> |
| h = x % q where q is the curve order </li> |
| </ol> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">sha</td><td>Hash type </td></tr> |
| <tr><td class="paramname">A</td><td>EC Point </td></tr> |
| <tr><td class="paramname">B</td><td>EC Point </td></tr> |
| <tr><td class="paramname">C</td><td>EC Point </td></tr> |
| <tr><td class="paramname">D</td><td>Identity </td></tr> |
| <tr><td class="paramname">h</td><td>Integer result </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="af0de92daf688214722903036ceb0df1f"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#af0de92daf688214722903036ceb0df1f">◆ </a></span>WCC_BN254CX_RANDOM_GENERATE()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int WCC_BN254CX_RANDOM_GENERATE </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structcsprng.html">csprng</a> * </td> |
| <td class="paramname"><em>RNG</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>S</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Generate a random number modulus the group order.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">RNG</td><td>cryptographically secure random number generator </td></tr> |
| <tr><td class="paramname">S</td><td>Returned random integer modulus the group order </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a7217a15dce1351e78e6ddfd915ac0f96"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a7217a15dce1351e78e6ddfd915ac0f96">◆ </a></span>WCC_BN254CX_RECEIVER_KEY()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int WCC_BN254CX_RECEIVER_KEY </td> |
| <td>(</td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>sha</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>yOct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>wOct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>piaOct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>pibOct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>PaG1Oct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>PgG1Oct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>BKeyG2Oct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>IdAOct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>AESKeyOct</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Calculate the receiver AES key.</p> |
| <ol> |
| <li> |
| j=e(pia.AG1+PaG1,(y+pib).BKeyG2) </li> |
| <li> |
| K=H(j,w.PaG1) </li> |
| </ol> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">sha</td><td>Hash type </td></tr> |
| <tr><td class="paramname">yOct</td><td>Random y < q where q is the curve order </td></tr> |
| <tr><td class="paramname">wOct</td><td>Random w < q where q is the curve order </td></tr> |
| <tr><td class="paramname">piaOct</td><td>Hq(PaG1,PbG2,PgG1) </td></tr> |
| <tr><td class="paramname">pibOct</td><td>Hq(PbG2,PaG1,PgG1) </td></tr> |
| <tr><td class="paramname">PaG1Oct</td><td>x.AG1 where x < q </td></tr> |
| <tr><td class="paramname">PgG1Oct</td><td>w.AG1 where w < q </td></tr> |
| <tr><td class="paramname">BKeyG2Oct</td><td>Receiver key </td></tr> |
| <tr><td class="paramname">IdAOct</td><td>Sender identity </td></tr> |
| <tr><td class="paramname">AESKeyOct</td><td>AES key returned </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>rtn Returns 0 if successful or else an error code </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a592e8794305d7e495f69da0239279019"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a592e8794305d7e495f69da0239279019">◆ </a></span>WCC_BN254CX_RECOMBINE_G1()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int WCC_BN254CX_RECOMBINE_G1 </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>R1</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>R2</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>R</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Add two members from the group G1.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">R1</td><td>member of G1 </td></tr> |
| <tr><td class="paramname">R2</td><td>member of G1 </td></tr> |
| <tr><td class="paramname">R</td><td>returns member of G1 = R1+R2 </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>Returns 0 if successful or else an error code </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a8657bb2f928c3c54d1e17de44886f98d"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a8657bb2f928c3c54d1e17de44886f98d">◆ </a></span>WCC_BN254CX_RECOMBINE_G2()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int WCC_BN254CX_RECOMBINE_G2 </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>W1</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>W2</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>W</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Add two members from the group G2.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">W1</td><td>member of G2 </td></tr> |
| <tr><td class="paramname">W2</td><td>member of G2 </td></tr> |
| <tr><td class="paramname">W</td><td>returns member of G2 = W1+W2 </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>Returns 0 if successful or else an error code </dd></dl> |
| |
| </div> |
| </div> |
| <a id="ae9ad93182fdcf3a81b32209a5c851323"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ae9ad93182fdcf3a81b32209a5c851323">◆ </a></span>WCC_BN254CX_SENDER_KEY()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int WCC_BN254CX_SENDER_KEY </td> |
| <td>(</td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>sha</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>xOct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>piaOct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>pibOct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>PbG2Oct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>PgG1Oct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>AKeyG1Oct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>IdBOct</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structoctet.html">octet</a> * </td> |
| <td class="paramname"><em>AESKeyOct</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Calculate the sender AES Key.</p> |
| <ol> |
| <li> |
| j=e((x+pia).AKeyG1,pib.BG2+PbG2) </li> |
| <li> |
| K=H(j,x.PgG1) </li> |
| </ol> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">sha</td><td>Hash type </td></tr> |
| <tr><td class="paramname">xOct</td><td>Random x < q where q is the curve order </td></tr> |
| <tr><td class="paramname">piaOct</td><td>Hq(PaG1,PbG2,PgG1) </td></tr> |
| <tr><td class="paramname">pibOct</td><td>Hq(PbG2,PaG1,PgG1) </td></tr> |
| <tr><td class="paramname">PbG2Oct</td><td>y.BG2 where y < q </td></tr> |
| <tr><td class="paramname">PgG1Oct</td><td>w.AG1 where w < q </td></tr> |
| <tr><td class="paramname">AKeyG1Oct</td><td>Sender key </td></tr> |
| <tr><td class="paramname">IdBOct</td><td>Receiver identity </td></tr> |
| <tr><td class="paramname">AESKeyOct</td><td>Returned AES key </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>rtn Returns 0 if successful or else an error code </dd></dl> |
| |
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