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add CBC

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This commit is contained in:
Sascha Schumann 1999-04-25 17:04:56 +00:00
parent 11fc109ca6
commit 1db171deb8
2 changed files with 79 additions and 3 deletions
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81
ext/mcrypt/mcrypt.c
View File

@ -1,3 +1,31 @@
/*
+----------------------------------------------------------------------+
| PHP HTML Embedded Scripting Language Version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1999 PHP Development Team (See Credits file) |
+----------------------------------------------------------------------+
| This program is free software; you can redistribute it and/or modify |
| it under the terms of one of the following licenses: |
| |
| A) the GNU General Public License as published by the Free Software |
| Foundation; either version 2 of the License, or (at your option) |
| any later version. |
| |
| B) the PHP License as published by the PHP Development Team and |
| included in the distribution in the file: LICENSE |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of both licenses referred to here. |
| If you did not, or have any questions about PHP licensing, please |
| contact core@php.net. |
+----------------------------------------------------------------------+
| Authors: Sascha Schumann <sascha@schumann.2ns.de> |
+----------------------------------------------------------------------+
*/
#include "php.h"
@ -9,6 +37,7 @@
function_entry mcrypt_functions[] = {
PHP_FE(mcrypt_ecb, NULL)
PHP_FE(mcrypt_cbc, NULL)
{0},
};
@ -35,7 +64,7 @@ static mcrypt_global_struct mcryptg;
#endif
#define MCRYPT_ENTRY(a) REGISTER_LONG_CONSTANT("MC_" #a, a, 0)
#define MCRYPT_ENTRY(a) REGISTER_LONG_CONSTANT("MCRYPT_" #a, a, 0)
static int php3_minit_mcrypt(INIT_FUNC_ARGS)
{
@ -56,6 +85,51 @@ static int php3_minit_mcrypt(INIT_FUNC_ARGS)
return SUCCESS;
}
/* proto mcrypt_cbc(int cipher, string key, string data, int mode)
CBC crypt/decrypt data using key key with cipher cipher */
PHP_FUNCTION(mcrypt_cbc)
{
pval *cipher, *data, *key, *mode;
int td;
char *ndata;
size_t bsize;
size_t nr;
size_t nsize;
if(ARG_COUNT(ht) != 4 ||
getParameters(ht, 4, &cipher, &key, &data, &mode) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(cipher);
convert_to_long(mode);
convert_to_string(data);
convert_to_string(key);
bsize = get_block_size(cipher->value.lval);
nr = (data->value.str.len + bsize - 1) / bsize;
nsize = nr * bsize;
td = init_mcrypt_cbc(cipher->value.lval, key->value.str.val, key->value.str.len);
if(td == -1) {
php3_error(E_WARNING, "mcrypt initialization failed");
RETURN_FALSE;
}
ndata = ecalloc(nr, bsize);
memcpy(ndata, data->value.str.val, data->value.str.len);
if(mode->value.lval == 0)
mcrypt_cbc(td, ndata, nsize);
else
mdecrypt_cbc(td, ndata, nsize);
end_mcrypt_cbc(td);
RETURN_STRINGL(ndata, nsize, 0);
}
/* proto mcrypt_ecb(int cipher, string key, string data, int mode)
ECB crypt/decrypt data using key key with cipher cipher */
PHP_FUNCTION(mcrypt_ecb)
{
pval *cipher, *data, *key, *mode;
@ -65,7 +139,8 @@ PHP_FUNCTION(mcrypt_ecb)
size_t nr;
size_t nsize;
if(ARG_COUNT(ht) != 4 || getParameters(ht, 4, &cipher, &key, &data, &mode) == FAILURE) {
if(ARG_COUNT(ht) != 4 ||
getParameters(ht, 4, &cipher, &key, &data, &mode) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(cipher);
@ -91,7 +166,7 @@ PHP_FUNCTION(mcrypt_ecb)
else
mdecrypt_ecb(td, ndata, nsize);
end_mcrypt(td);
end_mcrypt_ecb(td);
RETURN_STRINGL(ndata, nsize, 0);
}

1
ext/mcrypt/php_mcrypt.h
View File

@ -7,6 +7,7 @@ extern zend_module_entry mcrypt_module_entry;
#define mcrypt_module_ptr &mcrypt_module_entry
PHP_FUNCTION(mcrypt_ecb);
PHP_FUNCTION(mcrypt_cbc);
#else
#define mcrypt_module_ptr NULL