<divclass="line"><aname="l00002"></a><spanclass="lineno"> 2</span> <spanclass="comment"> This file is part of Pretty Curved Privacy (pcp1).</span></div>
<divclass="line"><aname="l00006"></a><spanclass="lineno"> 6</span> <spanclass="comment"> This program is free software: you can redistribute it and/or modify</span></div>
<divclass="line"><aname="l00007"></a><spanclass="lineno"> 7</span> <spanclass="comment"> it under the terms of the GNU General Public License as published by</span></div>
<divclass="line"><aname="l00008"></a><spanclass="lineno"> 8</span> <spanclass="comment"> the Free Software Foundation, either version 3 of the License, or</span></div>
<divclass="line"><aname="l00009"></a><spanclass="lineno"> 9</span> <spanclass="comment"> (at your option) any later version.</span></div>
<divclass="line"><aname="l00011"></a><spanclass="lineno"> 11</span> <spanclass="comment"> This program is distributed in the hope that it will be useful,</span></div>
<divclass="line"><aname="l00012"></a><spanclass="lineno"> 12</span> <spanclass="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<divclass="line"><aname="l00013"></a><spanclass="lineno"> 13</span> <spanclass="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<divclass="line"><aname="l00014"></a><spanclass="lineno"> 14</span> <spanclass="comment"> GNU General Public License for more details.</span></div>
<divclass="line"><aname="l00016"></a><spanclass="lineno"> 16</span> <spanclass="comment"> You should have received a copy of the GNU General Public License</span></div>
<divclass="line"><aname="l00017"></a><spanclass="lineno"> 17</span> <spanclass="comment"> along with this program. If not, see <http://www.gnu.org/licenses/>.</span></div>
<divclass="line"><aname="l00019"></a><spanclass="lineno"> 19</span> <spanclass="comment"> You can contact me by mail: <tlinden AT cpan DOT org>.</span></div>
<divclass="line"><aname="l00040"></a><spanclass="lineno"> 40</span> <spanclass="comment">/* prepends a binary stream with a number of */</span></div>
<divclass="line"><aname="l00041"></a><spanclass="lineno"> 41</span> <spanclass="comment">/* \0's as required by the secret_box and */</span></div>
<divclass="line"><aname="l00042"></a><spanclass="lineno"> 42</span> <spanclass="comment">/* secret_box_open functions of libsodium. */</span></div>
<divclass="line"><aname="l00051"></a><spanclass="lineno"> 51</span> <spanclass="comment">/* turns "efa5" into "00000000efa5" with padlen 8 */</span></div>
<divclass="line"><aname="l00053"></a><spanclass="lineno"> 53</span> <spanclass="comment">/* if DEBUG is set, destination will be padded with */</span></div>
<divclass="line"><aname="l00054"></a><spanclass="lineno"> 54</span> <spanclass="comment">/* the character '0', NOT the integer 0. */</span></div>
<divclass="line"><aname="l00056"></a><spanclass="lineno"> 56</span> <spanclass="comment">/* allocates memory for padded and it is up to the */</span></div>
<divclass="line"><aname="l00057"></a><spanclass="lineno"> 57</span> <spanclass="comment">/* user to free it after use. */</span></div>
<divclass="line"><aname="l00065"></a><spanclass="lineno"> 65</span> <spanclass="comment">/* the result, padded, would be 10 bytes long, 8 */</span></div>
<divclass="line"><aname="l00066"></a><spanclass="lineno"> 66</span> <spanclass="comment">/* bytes for the leading zeros and 2 for the content */</span></div>
<divclass="line"><aname="l00067"></a><spanclass="lineno"> 67</span> <spanclass="comment">/* of the original unpadded. */</span></div>
<divclass="line"><aname="l00071"></a><spanclass="lineno"> 71</span> <spanclass="comment">/* removes zero's of a binary stream, which is */</span></div>
<divclass="line"><aname="l00072"></a><spanclass="lineno"> 72</span> <spanclass="comment">/* the reverse of pcp_pad_prepend(). */</span></div>
<divclass="line"><aname="l00081"></a><spanclass="lineno"> 81</span> <spanclass="comment">/* turns "00000000efa5" into "efa5" with padlen 8 */</span></div>
<divclass="line"><aname="l00083"></a><spanclass="lineno"> 83</span> <spanclass="comment">/* allocates memory for unpadded and it is up to the */</span></div>
<divclass="line"><aname="l00084"></a><spanclass="lineno"> 84</span> <spanclass="comment">/* user to free it after use. */</span></div>
<divclass="line"><aname="l00092"></a><spanclass="lineno"> 92</span> <spanclass="comment">/* the result, unpadded would be 2 bytes long containing */</span></div>
<divclass="line"><aname="l00093"></a><spanclass="lineno"> 93</span> <spanclass="comment">/* only the 2 bytes we want to have with zeros removed. */</span></div>
