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<title>BeeCrypt: Block ciphers</title>
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<div id="projectname">BeeCrypt <span id="projectnumber">4.2.1</span></div>
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<h1>Block ciphers</h1> </div>
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Collaboration diagram for Block ciphers:</div>
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<center><table><tr><td><img src="group__BC__m.png" border="0" alt="" usemap="#group____BC____m"/>
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<table class="memberdecls">
<tr><td colspan="2"><h2><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structblockCipher.html">blockCipher</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Holds information and pointers to code specific to each cipher. <a href="structblockCipher.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structblockCipherContext.html">blockCipherContext</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Holds a pointer to a blockcipher as well as its parameters. <a href="structblockCipherContext.html#_details">More...</a><br/></td></tr>
<tr><td colspan="2"><h2><a name="files"></a>
Files</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">file  </td><td class="memItemRight" valign="bottom"><a class="el" href="aes_8h.html">aes.h</a></td></tr>
<p><tr><td class="mdescLeft"> </td><td class="mdescRight"><p>AES block cipher, as specified by NIST FIPS 197. </p>
<br/></td></tr>
</p>
<tr><td class="memItemLeft" align="right" valign="top">file  </td><td class="memItemRight" valign="bottom"><a class="el" href="beecrypt_8h.html">beecrypt.h</a></td></tr>
<p><tr><td class="mdescLeft"> </td><td class="mdescRight"><p>BeeCrypt API, headers. </p>
<br/></td></tr>
</p>
<tr><td class="memItemLeft" align="right" valign="top">file  </td><td class="memItemRight" valign="bottom"><a class="el" href="blockmode_8h.html">blockmode.h</a></td></tr>
<p><tr><td class="mdescLeft"> </td><td class="mdescRight"><p>Blockcipher operation modes. </p>
<br/></td></tr>
</p>
<tr><td class="memItemLeft" align="right" valign="top">file  </td><td class="memItemRight" valign="bottom"><a class="el" href="blockpad_8h.html">blockpad.h</a></td></tr>
<p><tr><td class="mdescLeft"> </td><td class="mdescRight"><p>Blockcipher padding algorithms. </p>
<br/></td></tr>
</p>
<tr><td class="memItemLeft" align="right" valign="top">file  </td><td class="memItemRight" valign="bottom"><a class="el" href="blowfish_8h.html">blowfish.h</a></td></tr>
<p><tr><td class="mdescLeft"> </td><td class="mdescRight"><p>Blowfish block cipher. </p>
<br/></td></tr>
</p>
<tr><td colspan="2"><h2><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__BC__m.html#ga4bb0a804ab2c38ac56120f1cd35600b3">blockCipherSetup</a> )(<a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a> *, const <a class="el" href="api_8h.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> *, size_t, <a class="el" href="group__BC__m.html#gace10d4c0b0409d35c6a703d6445fc558">cipherOperation</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Prototype definition for a setup function. <a href="#ga4bb0a804ab2c38ac56120f1cd35600b3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Placeholder type definition for blockcipher parameters. <a href="#gaa6f6ba122e489fd3c3923c83cb55dae0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__BC__m.html#ga40aeffa20f977393fbf10378ef466c25">blockCipherSetIV</a> )(<a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a> *, const <a class="el" href="api_8h.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> *)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Prototype definition for an initialization vector setup function. <a href="#ga40aeffa20f977393fbf10378ef466c25"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__BC__m.html#gae6164c8a42013a0b3aadba1bccd416af">blockCipherSetCTR</a> )(<a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a> *, const <a class="el" href="api_8h.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> *, size_t)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Prototype definition for an initialization vector setup function. <a href="#gae6164c8a42013a0b3aadba1bccd416af"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__BC__m.html#ga49ec3da318c2c3ab4464c8dbb38617c5">blockCipherRawcrypt</a> )(<a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a> *, uint32_t *, const uint32_t *)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Prototype for a <em>raw</em> encryption or decryption function. <a href="#ga49ec3da318c2c3ab4464c8dbb38617c5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__BC__m.html#gacc003baa6ffa4b315283282b19f081ec">blockCipherModcrypt</a> )(<a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a> *, uint32_t *, const uint32_t *, unsigned int)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Prototype for a <em>encryption</em> or decryption function which operates on multiple blocks in a certain mode. <a href="#gacc003baa6ffa4b315283282b19f081ec"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__BC__m.html#gace10d4c0b0409d35c6a703d6445fc558">cipherOperation</a> { <a class="el" href="group__BC__m.html#gace10d4c0b0409d35c6a703d6445fc558a8d67fb0581b95ff8d49840ebfaedffd4">NOCRYPT</a>,
<a class="el" href="group__BC__m.html#gace10d4c0b0409d35c6a703d6445fc558a606f7451c00ce2831f56eceb9ab6bb96">ENCRYPT</a>,
<a class="el" href="group__BC__m.html#gace10d4c0b0409d35c6a703d6445fc558a3179dbaa639c5906029876801dcf4e11">DECRYPT</a>
}</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>Specifies whether to perform encryption or decryption. </p>
<a href="group__BC__m.html#gace10d4c0b0409d35c6a703d6445fc558">More...</a><br/></td></tr>
</table>
<hr/><h2>Typedef Documentation</h2>
<a class="anchor" id="gacc003baa6ffa4b315283282b19f081ec"></a><!-- doxytag: member="beecrypt.h::blockCipherModcrypt" ref="gacc003baa6ffa4b315283282b19f081ec" args=")(blockCipherParam *, uint32_t *, const uint32_t *, unsigned int)" -->
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<td class="memname">int(* <a class="el" href="group__BC__m.html#gacc003baa6ffa4b315283282b19f081ec">blockCipherModcrypt</a>)(<a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a> *bp, uint32_t *dst, const uint32_t *src, unsigned int nblocks)</td>
</tr>
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<div class="memdoc">
<p>Prototype for a <em>encryption</em> or decryption function which operates on multiple blocks in a certain mode. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">bp</td><td>The blockcipher's parameters. </td></tr>
<tr><td class="paramname">dst</td><td>The ciphertext address; must be aligned on 32-bit boundary. </td></tr>
<tr><td class="paramname">src</td><td>The cleartext address; must be aligned on 32-bit boundary. </td></tr>
<tr><td class="paramname">nblocks</td><td>The number of blocks to process. </td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Return values:</b></dt><dd>
<table class="retval">
<tr><td class="paramname">0</td><td>on success. </td></tr>
<tr><td class="paramname">-1</td><td>on failure. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gaa6f6ba122e489fd3c3923c83cb55dae0"></a><!-- doxytag: member="beecrypt.h::blockCipherParam" ref="gaa6f6ba122e489fd3c3923c83cb55dae0" args="" -->
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<table class="memname">
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<td class="memname">void <a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a></td>
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<div class="memdoc">
<p>Placeholder type definition for blockcipher parameters. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="structaesParam.html" title="Holds all the parameters necessary for the AES cipher.">aesParam</a>, <a class="el" href="structblowfishParam.html" title="Holds all the parameters necessary for the Blowfish cipher.">blowfishParam</a>. </dd></dl>
</div>
</div>
<a class="anchor" id="ga49ec3da318c2c3ab4464c8dbb38617c5"></a><!-- doxytag: member="beecrypt.h::blockCipherRawcrypt" ref="ga49ec3da318c2c3ab4464c8dbb38617c5" args=")(blockCipherParam *, uint32_t *, const uint32_t *)" -->
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<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int(* <a class="el" href="group__BC__m.html#ga49ec3da318c2c3ab4464c8dbb38617c5">blockCipherRawcrypt</a>)(<a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a> *bp, uint32_t *dst, const uint32_t *src)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Prototype for a <em>raw</em> encryption or decryption function. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">bp</td><td>The blockcipher's parameters. </td></tr>
<tr><td class="paramname">dst</td><td>The ciphertext address; must be aligned on 32-bit boundary. </td></tr>
<tr><td class="paramname">src</td><td>The cleartext address; must be aligned on 32-bit boundary. </td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Return values:</b></dt><dd>
<table class="retval">
<tr><td class="paramname">0</td><td>on success. </td></tr>
<tr><td class="paramname">-1</td><td>on failure. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gae6164c8a42013a0b3aadba1bccd416af"></a><!-- doxytag: member="beecrypt.h::blockCipherSetCTR" ref="gae6164c8a42013a0b3aadba1bccd416af" args=")(blockCipherParam *, const byte *, size_t)" -->
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<table class="memname">
<tr>
<td class="memname">int(* <a class="el" href="group__BC__m.html#gae6164c8a42013a0b3aadba1bccd416af">blockCipherSetCTR</a>)(<a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a> *bp, const <a class="el" href="api_8h.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> *nivz, size_t counter)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Prototype definition for an initialization vector setup function. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">bp</td><td>The blockcipher's parameters. </td></tr>
<tr><td class="paramname">nivz</td><td>The concatenation of the Nonce, IV and padding Zero bytes. </td></tr>
<tr><td class="paramname">counter</td><td>The blockciphers' counter value. </td></tr>
</table>
</dd>
</dl>
<dl class="note"><dt><b>Note:</b></dt><dd>nivz length must be equal to the cipher's block size. </dd></dl>
<dl><dt><b>Return values:</b></dt><dd>
<table class="retval">
<tr><td class="paramname">0</td><td>on success. </td></tr>
<tr><td class="paramname">-1</td><td>on failure. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga40aeffa20f977393fbf10378ef466c25"></a><!-- doxytag: member="beecrypt.h::blockCipherSetIV" ref="ga40aeffa20f977393fbf10378ef466c25" args=")(blockCipherParam *, const byte *)" -->
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<td class="memname">int(* <a class="el" href="group__BC__m.html#ga40aeffa20f977393fbf10378ef466c25">blockCipherSetIV</a>)(<a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a> *bp, const <a class="el" href="api_8h.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> *iv)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Prototype definition for an initialization vector setup function. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">bp</td><td>The blockcipher's parameters. </td></tr>
<tr><td class="paramname">iv</td><td>The blockciphers' IV value. </td></tr>
</table>
</dd>
</dl>
<dl class="note"><dt><b>Note:</b></dt><dd>iv length must be equal to the cipher's block size. </dd></dl>
<dl><dt><b>Return values:</b></dt><dd>
<table class="retval">
<tr><td class="paramname">0</td><td>on success. </td></tr>
<tr><td class="paramname">-1</td><td>on failure. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga4bb0a804ab2c38ac56120f1cd35600b3"></a><!-- doxytag: member="beecrypt.h::blockCipherSetup" ref="ga4bb0a804ab2c38ac56120f1cd35600b3" args=")(blockCipherParam *, const byte *, size_t, cipherOperation)" -->
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<td class="memname">typedef int(* <a class="el" href="group__BC__m.html#ga4bb0a804ab2c38ac56120f1cd35600b3">blockCipherSetup</a>)(<a class="el" href="group__BC__m.html#gaa6f6ba122e489fd3c3923c83cb55dae0">blockCipherParam</a> *, const <a class="el" href="api_8h.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> *, size_t, <a class="el" href="group__BC__m.html#gace10d4c0b0409d35c6a703d6445fc558">cipherOperation</a>)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Prototype definition for a setup function. </p>
</div>
</div>
<hr/><h2>Enumeration Type Documentation</h2>
<a class="anchor" id="gace10d4c0b0409d35c6a703d6445fc558"></a><!-- doxytag: member="beecrypt.h::cipherOperation" ref="gace10d4c0b0409d35c6a703d6445fc558" args="" -->
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<td class="memname">enum <a class="el" href="group__BC__m.html#gace10d4c0b0409d35c6a703d6445fc558">cipherOperation</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Specifies whether to perform encryption or decryption. </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="gace10d4c0b0409d35c6a703d6445fc558a8d67fb0581b95ff8d49840ebfaedffd4"></a><!-- doxytag: member="NOCRYPT" ref="gace10d4c0b0409d35c6a703d6445fc558a8d67fb0581b95ff8d49840ebfaedffd4" args="" -->NOCRYPT</em> </td><td>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="gace10d4c0b0409d35c6a703d6445fc558a606f7451c00ce2831f56eceb9ab6bb96"></a><!-- doxytag: member="ENCRYPT" ref="gace10d4c0b0409d35c6a703d6445fc558a606f7451c00ce2831f56eceb9ab6bb96" args="" -->ENCRYPT</em> </td><td>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="gace10d4c0b0409d35c6a703d6445fc558a3179dbaa639c5906029876801dcf4e11"></a><!-- doxytag: member="DECRYPT" ref="gace10d4c0b0409d35c6a703d6445fc558a3179dbaa639c5906029876801dcf4e11" args="" -->DECRYPT</em> </td><td>
</td></tr>
</table>
</dd>
</dl>
</div>
</div>
</div>
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