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annotate nacl.c @ 7:a139bed53614

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Fixed some compiler warnings, added support for unpatched nacl library
author Ivo Smits <Ivo@UCIS.nl>
date Tue, 12 Jul 2011 21:26:46 +0000
parents ded86f4d6275
children a1fc155ca80b
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1 /* Copyright 2010 Ivo Smits <Ivo@UCIS.nl>. All rights reserved.
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2 Redistribution and use in source and binary forms, with or without modification, are
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3 permitted provided that the following conditions are met:
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4
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5 1. Redistributions of source code must retain the above copyright notice, this list of
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6 conditions and the following disclaimer.
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7
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8 2. Redistributions in binary form must reproduce the above copyright notice, this list
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9 of conditions and the following disclaimer in the documentation and/or other materials
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10 provided with the distribution.
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11
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12 THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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13 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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14 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
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15 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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16 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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17 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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18 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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19 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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20 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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21
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22 The views and conclusions contained in the software and documentation are those of the
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23 authors and should not be interpreted as representing official policies, either expressed
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24 or implied, of Ivo Smits.*/
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25
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26 #ifdef HAVE_CONFIG_H
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27 #include "config.h"
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28 #endif
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29
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30 #include "nacl/crypto_box_curve25519xsalsa20poly1305.h"
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31 #include "nacl/crypto_scalarmult_curve25519.h"
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32 #include "nacl/crypto_sign_edwards25519sha512batch.h"
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33
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34 #include "php.h"
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35 #include "php_ini.h"
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36 #include "php_nacl.h"
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37
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38 #if !(defined crypto_box_curve25519xsalsa20poly1305_KEYPAIRRANDOMBYTES || defined crypto_sign_edwards25519sha512batch_KEYPAIRRANDOMBYTES)
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39 #include "randombytes.c"
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40 #endif
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41
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42 static function_entry nacl_functions[] = {
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43 PHP_FE(nacl_crypto_box_curve25519xsalsa20poly1305, NULL)
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44 PHP_FE(nacl_crypto_box_curve25519xsalsa20poly1305_open, NULL)
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45 PHP_FE(nacl_crypto_box_curve25519xsalsa20poly1305_getpublickey, NULL)
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46 PHP_FE(nacl_crypto_box_curve25519xsalsa20poly1305_beforenm, NULL)
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47 PHP_FE(nacl_crypto_box_curve25519xsalsa20poly1305_afternm, NULL)
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48 PHP_FE(nacl_crypto_box_curve25519xsalsa20poly1305_open_afternm, NULL)
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49 PHP_FE(nacl_crypto_box_curve25519xsalsa20poly1305_keypair, NULL)
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50 PHP_FE(nacl_crypto_sign_edwards25519sha512batch, NULL)
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51 PHP_FE(nacl_crypto_sign_edwards25519sha512batch_open, NULL)
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52 PHP_FE(nacl_crypto_sign_edwards25519sha512batch_keypair, NULL)
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53 {NULL, NULL, NULL}
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54 };
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55
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56 zend_module_entry nacl_module_entry = {
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57 #if ZEND_MODULE_API_NO >= 20010901
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58 STANDARD_MODULE_HEADER,
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59 #endif
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60 PHP_NACL_EXTNAME,
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61 nacl_functions,
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62 PHP_MINIT(nacl),
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63 NULL,
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64 NULL,
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65 NULL,
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66 NULL,
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67 #if ZEND_MODULE_API_NO >= 20010901
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68 PHP_NACL_VERSION,
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69 #endif
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70 STANDARD_MODULE_PROPERTIES
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71 };
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72
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73 #ifdef COMPILE_DL_NACL
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74 ZEND_GET_MODULE(nacl)
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75 #endif
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76
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77 PHP_MINIT_FUNCTION(nacl) {
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78 REGISTER_LONG_CONSTANT("NACL_CRYPTO_BOX_curve25519xsalsa20poly1305_PUBLICKEYBYTES", crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES, CONST_CS | CONST_PERSISTENT);
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79 REGISTER_LONG_CONSTANT("NACL_CRYPTO_BOX_curve25519xsalsa20poly1305_SECRETKEYBYTES", crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES, CONST_CS | CONST_PERSISTENT);
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80 REGISTER_LONG_CONSTANT("NACL_CRYPTO_BOX_curve25519xsalsa20poly1305_BEFORENMBYTES", crypto_box_curve25519xsalsa20poly1305_BEFORENMBYTES, CONST_CS | CONST_PERSISTENT);
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81 REGISTER_LONG_CONSTANT("NACL_CRYPTO_BOX_curve25519xsalsa20poly1305_NONCEBYTES", crypto_box_curve25519xsalsa20poly1305_NONCEBYTES, CONST_CS | CONST_PERSISTENT);
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82 REGISTER_LONG_CONSTANT("NACL_CRYPTO_BOX_curve25519xsalsa20poly1305_ZEROBYTES", crypto_box_curve25519xsalsa20poly1305_ZEROBYTES, CONST_CS | CONST_PERSISTENT);
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83 REGISTER_LONG_CONSTANT("NACL_CRYPTO_BOX_curve25519xsalsa20poly1305_BOXZEROBYTES", crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES, CONST_CS | CONST_PERSISTENT);
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84 REGISTER_LONG_CONSTANT("NACL_CRYPTO_SIGN_edwards25519sha512batch_BYTES", crypto_sign_edwards25519sha512batch_BYTES, CONST_CS | CONST_PERSISTENT);
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85 REGISTER_LONG_CONSTANT("NACL_CRYPTO_SIGN_edwards25519sha512batch_PUBLICKEYBYTES", crypto_sign_edwards25519sha512batch_PUBLICKEYBYTES, CONST_CS | CONST_PERSISTENT);
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86 REGISTER_LONG_CONSTANT("NACL_CRYPTO_SIGN_edwards25519sha512batch_SECRETKEYBYTES", crypto_sign_edwards25519sha512batch_SECRETKEYBYTES, CONST_CS | CONST_PERSISTENT);
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87 #if defined crypto_box_curve25519xsalsa20poly1305_KEYPAIRRANDOMBYTES
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88 REGISTER_LONG_CONSTANT("NACL_CRYPTO_BOX_curve25519xsalsa20poly1305_KEYPAIRRANDOMBYTES", crypto_box_curve25519xsalsa20poly1305_KEYPAIRRANDOMBYTES, CONST_CS | CONST_PERSISTENT);
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89 #endif
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90 #if defined crypto_sign_edwards25519sha512batch_KEYPAIRRANDOMBYTES
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91 REGISTER_LONG_CONSTANT("NACL_CRYPTO_SIGN_edwards25519sha512batch_KEYPAIRRANDOMBYTES", crypto_sign_edwards25519sha512batch_KEYPAIRRANDOMBYTES, CONST_CS | CONST_PERSISTENT);
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92 #endif
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93 }
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94
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95 PHP_FUNCTION(nacl_crypto_box_curve25519xsalsa20poly1305) { //(unsigned char *,const unsigned char *,unsigned long long,const unsigned char *,const unsigned char *,const unsigned char *)
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96 unsigned char *m, *n, *pk, *sk;
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97 int lm, ln, lpk, lsk;
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98 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ssss", &m, &lm, &n, &ln, &pk, &lpk, &sk, &lsk) == FAILURE) RETURN_NULL();
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99 if (ln != crypto_box_curve25519xsalsa20poly1305_NONCEBYTES) RETURN_FALSE;
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100 if (lpk != crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES) RETURN_FALSE;
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101 if (lsk != crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES) RETURN_FALSE;
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102 int mlen = lm + crypto_box_curve25519xsalsa20poly1305_ZEROBYTES;
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103 unsigned char* mb = ecalloc(mlen, 1);
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104 unsigned char* cb = ecalloc(mlen, 1);
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105 memcpy(mb + crypto_box_curve25519xsalsa20poly1305_ZEROBYTES, m, lm);
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106 int ret = crypto_box_curve25519xsalsa20poly1305(cb, mb, mlen, n, pk, sk);
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107 int clen = mlen - crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES;
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108 char* c = emalloc(clen);
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109 memcpy(c, cb + crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES, clen);
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110 efree(mb);
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111 efree(cb);
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112 if (ret == 0) RETURN_STRINGL(c, clen, 0);
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113 efree(c);
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114 RETURN_FALSE;
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115 }
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116 PHP_FUNCTION(nacl_crypto_box_curve25519xsalsa20poly1305_open) { //(unsigned char *,const unsigned char *,unsigned long long,const unsigned char *,const unsigned char *,const unsigned char *)
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117 unsigned char *c, *n, *pk, *sk;
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118 int lc, ln, lpk, lsk;
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119 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ssss", &c, &lc, &n, &ln, &pk, &lpk, &sk, &lsk) == FAILURE) RETURN_NULL();
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120 if (ln != crypto_box_curve25519xsalsa20poly1305_NONCEBYTES) RETURN_FALSE;
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121 if (lpk != crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES) RETURN_FALSE;
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122 if (lsk != crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES) RETURN_FALSE;
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123 int clen = lc + crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES;
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124 unsigned char* mb = ecalloc(clen, 1);
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125 unsigned char* cb = ecalloc(clen, 1);
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126 memcpy(cb + crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES, c, lc);
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127 int ret = crypto_box_curve25519xsalsa20poly1305_open(mb, cb, clen, n, pk, sk);
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128 int mlen = clen - crypto_box_curve25519xsalsa20poly1305_ZEROBYTES;
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129 char* m = emalloc(mlen);
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130 memcpy(m, mb + crypto_box_curve25519xsalsa20poly1305_ZEROBYTES, mlen);
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131 efree(mb);
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132 efree(cb);
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133 if (ret == 0) RETURN_STRINGL(m, mlen, 0);
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134 efree(m);
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135 RETURN_FALSE;
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136 }
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137 PHP_FUNCTION(nacl_crypto_box_curve25519xsalsa20poly1305_beforenm) { //(unsigned char *,const unsigned char *,const unsigned char *)
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138 unsigned char *pk, *sk;
0
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139 int lpk, lsk;
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140 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &pk, &lpk, &sk, &lsk) == FAILURE) RETURN_NULL();
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141 if (lpk != crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES) RETURN_FALSE;
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142 if (lsk != crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES) RETURN_FALSE;
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143 unsigned char *k = emalloc(crypto_box_curve25519xsalsa20poly1305_BEFORENMBYTES);
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144 crypto_box_curve25519xsalsa20poly1305_beforenm(k, pk, sk);
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145 RETURN_STRINGL((char*)k, crypto_box_curve25519xsalsa20poly1305_BEFORENMBYTES, 0);
0
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146 }
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147 PHP_FUNCTION(nacl_crypto_box_curve25519xsalsa20poly1305_afternm) { //(unsigned char *,const unsigned char *,unsigned long long,const unsigned char *,const unsigned char *)
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148 unsigned char *m, *n, *k;
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149 int lm, ln, lk;
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150 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sss", &m, &lm, &n, &ln, &k, &lk) == FAILURE) RETURN_NULL();
0
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151 if (ln != crypto_box_curve25519xsalsa20poly1305_NONCEBYTES) RETURN_FALSE;
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152 if (lk != crypto_box_curve25519xsalsa20poly1305_BEFORENMBYTES) RETURN_FALSE;
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153 int mlen = lm + crypto_box_curve25519xsalsa20poly1305_ZEROBYTES;
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154 unsigned char *mb = ecalloc(mlen, 1);
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155 unsigned char *cb = ecalloc(mlen, 1);
0
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156 memcpy(mb + crypto_box_curve25519xsalsa20poly1305_ZEROBYTES, m, lm);
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157 int ret = crypto_box_curve25519xsalsa20poly1305_afternm(cb, mb, mlen, n, k);
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158 int clen = mlen - crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES;
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159 char *c = emalloc(clen);
0
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160 memcpy(c, cb + crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES, clen);
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161 efree(mb);
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162 efree(cb);
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163 if (ret == 0) RETURN_STRINGL(c, clen, 0);
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164 efree(c);
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165 RETURN_FALSE;
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166 }
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167 PHP_FUNCTION(nacl_crypto_box_curve25519xsalsa20poly1305_open_afternm) { //(unsigned char *,const unsigned char *,unsigned long long,const unsigned char *,const unsigned char *)
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diff changeset
168 unsigned char *c, *n, *k;
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169 int lc, ln, lk;
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diff changeset
170 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sss", &c, &lc, &n, &ln, &k, &lk) == FAILURE) RETURN_NULL();
0
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171 if (ln != crypto_box_curve25519xsalsa20poly1305_NONCEBYTES) RETURN_FALSE;
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172 if (lk != crypto_box_curve25519xsalsa20poly1305_BEFORENMBYTES) RETURN_FALSE;
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173 int clen = lc + crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES;
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diff changeset
174 unsigned char *mb = ecalloc(clen, 1);
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diff changeset
175 unsigned char *cb = ecalloc(clen, 1);
0
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176 memcpy(cb + crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES, c, lc);
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177 int ret = crypto_box_curve25519xsalsa20poly1305_open_afternm(mb, cb, clen, n, k);
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178 int mlen = clen - crypto_box_curve25519xsalsa20poly1305_ZEROBYTES;
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diff changeset
179 char *m = emalloc(mlen);
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180 memcpy(m, mb + crypto_box_curve25519xsalsa20poly1305_ZEROBYTES, mlen);
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181 efree(mb);
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182 efree(cb);
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183 if (ret == 0) RETURN_STRINGL(m, mlen, 0);
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184 efree(m);
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185 RETURN_FALSE;
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186 }
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187 PHP_FUNCTION(nacl_crypto_box_curve25519xsalsa20poly1305_getpublickey) {
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188 unsigned char base[32] = {9};
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189 unsigned char *sk;
0
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190 int lsk;
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191 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &sk, &lsk) == FAILURE) RETURN_NULL();
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192 if (lsk != crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES) RETURN_FALSE;
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193 unsigned char* pk = emalloc(crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES);
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194 crypto_scalarmult_curve25519(pk, sk, base);
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195 RETURN_STRINGL((char*)pk, crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES, 0);
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196 }
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197 PHP_FUNCTION(nacl_crypto_box_curve25519xsalsa20poly1305_keypair) {
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198 unsigned char *rb;
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199 int lrb;
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200 zval *zsk;
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diff changeset
201 #if defined crypto_box_curve25519xsalsa20poly1305_KEYPAIRRANDOMBYTES
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202 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zs", &zsk, &rb, &lrb) == FAILURE) RETURN_NULL();
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203 if (!zsk) RETURN_FALSE;
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204 if (lrb != crypto_box_curve25519xsalsa20poly1305_KEYPAIRRANDOMBYTES) RETURN_FALSE;
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205 unsigned char *spk = emalloc(crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES);
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206 unsigned char *ssk = emalloc(crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES);
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207 int ret = crypto_box_curve25519xsalsa20poly1305_keypair(spk, ssk, rb);
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208 #else
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209 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|s", &zsk, &rb, &lrb) == FAILURE) RETURN_NULL();
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210 if (!zsk) RETURN_FALSE;
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211 unsigned char *spk = emalloc(crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES);
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212 unsigned char *ssk = emalloc(crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES);
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213 int ret = crypto_box_curve25519xsalsa20poly1305_keypair(spk, ssk);
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214 #endif
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215 if (ret) RETURN_FALSE;
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216 zval_dtor(zsk);
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217 ZVAL_STRINGL(zsk, (char*)ssk, crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES, 0);
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218 RETURN_STRINGL((char*)spk, crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES, 0);
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219 }
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220 PHP_FUNCTION(nacl_crypto_sign_edwards25519sha512batch) { //(unsigned char *,unsigned long long *,const unsigned char *,unsigned long long,const unsigned char *);
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221 unsigned char *m, *sk;
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222 int lm, lsk;
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223 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &m, &lm, &sk, &lsk) == FAILURE) RETURN_NULL();
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224 if (lsk != crypto_sign_edwards25519sha512batch_SECRETKEYBYTES) RETURN_FALSE;
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225 long long unsigned int smlen = lm + crypto_sign_edwards25519sha512batch_BYTES;
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226 unsigned char* smb = emalloc(smlen);
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227 int ret = crypto_sign_edwards25519sha512batch(smb, &smlen, m, lm, sk);
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228 char* sm = emalloc(smlen);
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229 memcpy(sm, smb, smlen);
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230 efree(smb);
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231 if (ret == 0) RETURN_STRINGL(sm, smlen, 0);
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232 efree(sm);
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233 RETURN_FALSE;
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234 }
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235 PHP_FUNCTION(nacl_crypto_sign_edwards25519sha512batch_open) { //(unsigned char *,unsigned long long *,const unsigned char *,unsigned long long,const unsigned char *);
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236 unsigned char *sm, *pk;
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237 int lsm, lpk;
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238 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &sm, &lsm, &pk, &lpk) == FAILURE) RETURN_NULL();
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239 if (lpk != crypto_sign_edwards25519sha512batch_PUBLICKEYBYTES) RETURN_FALSE;
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diff changeset
240 long long unsigned int mlen = lsm;
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diff changeset
241 unsigned char* mb = emalloc(mlen);
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242 int ret = crypto_sign_edwards25519sha512batch_open(mb, &mlen, sm, lsm, pk);
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243 char* m = emalloc(mlen);
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244 memcpy(m, mb, mlen);
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245 efree(mb);
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246 if (ret == 0) RETURN_STRINGL(m, mlen, 0);
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247 efree(m);
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248 RETURN_FALSE;
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249 }
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250 PHP_FUNCTION(nacl_crypto_sign_edwards25519sha512batch_keypair) { //(unsigned char *,unsigned char *);
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251 unsigned char *rb;
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252 int lrb;
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253 zval *zsk;
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254 #if defined crypto_sign_edwards25519sha512batch_KEYPAIRRANDOMBYTES
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255 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zs", &zsk, &rb, &lrb) == FAILURE) RETURN_NULL();
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256 if (lrb != crypto_sign_edwards25519sha512batch_KEYPAIRRANDOMBYTES) RETURN_FALSE;
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257 if (!zsk) RETURN_FALSE;
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258 unsigned char *spk = emalloc(crypto_sign_edwards25519sha512batch_PUBLICKEYBYTES);
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259 unsigned char *ssk = emalloc(crypto_sign_edwards25519sha512batch_SECRETKEYBYTES);
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260 int ret = crypto_sign_edwards25519sha512batch_keypair(spk, ssk, rb);
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261 #else
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262 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|s", &zsk, &rb, &lrb) == FAILURE) RETURN_NULL();
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263 if (!zsk) RETURN_FALSE;
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264 unsigned char *spk = emalloc(crypto_sign_edwards25519sha512batch_PUBLICKEYBYTES);
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265 unsigned char *ssk = emalloc(crypto_sign_edwards25519sha512batch_SECRETKEYBYTES);
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266 int ret = crypto_sign_edwards25519sha512batch_keypair(spk, ssk);
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267 #endif
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268 if (ret) RETURN_FALSE;
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269 zval_dtor(zsk);
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270 ZVAL_STRINGL(zsk, (char*)ssk, crypto_sign_edwards25519sha512batch_SECRETKEYBYTES, 0);
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271 RETURN_STRINGL((char*)spk, crypto_sign_edwards25519sha512batch_PUBLICKEYBYTES, 0);
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272 }