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/* |
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* Copyright (C) 1998,1999,2000 Nikos Mavroyanopoulos |
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* |
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* This library is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Library General Public License as published |
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* by the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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|
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#ifndef LIBDEFS_H |
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#define LIBDEFS_H |
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#include <libdefs.h> |
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#endif |
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#include <bzero.h> |
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#include <mcrypt_internal.h> |
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#include <xmemory.h> |
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|
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#ifndef DEBUG |
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# define fputs(x, y) 1 |
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#endif |
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|
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WIN32DLL_DEFINE |
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int mcrypt_module_close(MCRYPT td) |
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{ |
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|
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lt_dlclose(td->algorithm_handle); |
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lt_dlclose(td->mode_handle); |
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if (lt_dlexit() != 0) { |
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return MCRYPT_UNKNOWN_ERROR; |
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} |
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|
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td->algorithm_handle = NULL; |
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td->mode_handle = NULL; |
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|
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td->m_encrypt = NULL; |
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td->a_encrypt = NULL; |
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td->a_decrypt = NULL; |
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td->m_decrypt = NULL; |
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|
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free(td); |
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|
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return 0; |
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} |
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|
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#ifndef USE_LTDL |
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WIN32DLL_DEFINE |
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void *mcrypt_dlopen_ext ( const char *filename) { |
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void *ret; |
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char full_path[1054]; |
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|
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if (strlen(filename)>sizeof(full_path)) return NULL; |
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|
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strcpy(full_path, filename); |
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ret = dlopen(full_path, RTLD_LAZY); |
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|
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if (ret==NULL) { |
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#ifndef WIN32 |
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strcat(full_path, ".so"); |
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#else |
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strcat(full_path, ".dll"); |
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#endif |
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ret = dlopen(full_path, RTLD_LAZY); |
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} |
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return ret; |
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|
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} |
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#endif |
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|
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WIN32DLL_DEFINE |
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void *mcrypt_dlopen ( const char* a_directory, const char *m_directory, const char *filename) { |
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void* ret=NULL; |
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|
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#ifdef USE_LTDL |
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char paths[1526]; |
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|
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memset( paths, 0, 1024); |
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if (a_directory != NULL) { |
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strncat( paths, a_directory, 512); |
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strcat( paths, ":"); |
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} |
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if (m_directory != NULL) { |
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strncat( paths, m_directory, 512); |
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strcat( paths, ":"); |
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} |
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strncat( paths, LIBDIR, 512); |
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|
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lt_dlsetsearchpath(paths); |
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|
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ret = lt_dlopenext(filename); |
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|
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return ret; |
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|
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#else |
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char full_path[1050]; |
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|
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if (a_directory!=NULL) { |
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strncpy(full_path, a_directory, 512); |
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strcat(full_path, "/"); |
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strncat( full_path, filename, 512); |
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ret = mcrypt_dlopen_ext(full_path); |
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} |
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if (ret==NULL) { |
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if (m_directory!=NULL) { |
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strncpy(full_path, m_directory, 512); |
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strcat(full_path, "/"); |
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strncat( full_path, filename, 510); |
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ret = mcrypt_dlopen_ext(full_path); |
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} |
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} |
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if (ret==NULL) { |
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if (LIBDIR!=NULL) { |
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strncpy(full_path, LIBDIR, 512); |
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strcat(full_path, "/"); |
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strncat( full_path, filename, 510); |
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ret = mcrypt_dlopen_ext(full_path); |
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} |
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} |
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return ret; |
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#endif |
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|
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} |
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|
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WIN32DLL_DEFINE |
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MCRYPT mcrypt_module_open(char *algorithm, |
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char *a_directory, char *mode, char *m_directory) |
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{ |
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MCRYPT td; |
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const char* err; |
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|
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td = calloc(1, sizeof(CRYPT_STREAM)); |
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if (td==NULL) return MCRYPT_FAILED; |
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|
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if (lt_dlinit() != 0) { |
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return MCRYPT_FAILED; |
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} |
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|
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td->algorithm_handle = mcrypt_dlopen(a_directory, m_directory, algorithm); |
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if (td->algorithm_handle == NULL) { |
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err=lt_dlerror(); |
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if (err!=NULL) fputs( err, stderr); |
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fputs("\n", stderr); |
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return MCRYPT_FAILED; |
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} |
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|
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td->mode_handle = mcrypt_dlopen(a_directory, m_directory, mode); |
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|
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if (td->mode_handle == NULL) { |
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err=lt_dlerror(); |
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if (err!=NULL) fputs( err, stderr); |
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lt_dlclose(td->algorithm_handle); |
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return MCRYPT_FAILED; |
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} |
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|
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td->a_encrypt = lt_dlsym(td->algorithm_handle, "_mcrypt_encrypt"); |
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td->a_decrypt = lt_dlsym(td->algorithm_handle, "_mcrypt_decrypt"); |
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td->m_encrypt = lt_dlsym(td->mode_handle, "_mcrypt"); |
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td->m_decrypt = lt_dlsym(td->mode_handle, "_mdecrypt"); |
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td->a_block_size = |
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lt_dlsym(td->algorithm_handle, "_mcrypt_get_block_size"); |
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|
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if (mcrypt_enc_is_block_algorithm_mode(td) != |
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mcrypt_enc_is_block_algorithm(td)) { |
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mcrypt_module_close(td); |
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return MCRYPT_FAILED; |
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} |
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|
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return td; |
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} |
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|
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|
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|
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/* Modules' frontends */ |
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|
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WIN32DLL_DEFINE |
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int mcrypt_get_size(MCRYPT td) |
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{ |
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int (*_mcrypt_get_size) (void); |
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|
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const char *error; |
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|
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_mcrypt_get_size = lt_dlsym(td->algorithm_handle, "_mcrypt_get_size"); |
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if (_mcrypt_get_size == NULL) { |
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error = lt_dlerror(); |
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if (error!=NULL) fputs(error, stderr); |
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fputs("\n", stderr); |
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return MCRYPT_UNKNOWN_ERROR; |
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} |
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return _mcrypt_get_size(); |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_mode_get_size(MCRYPT td) |
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{ |
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int (*_mcrypt_get_size) (void); |
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|
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const char *error; |
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|
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_mcrypt_get_size = lt_dlsym(td->mode_handle, "_mcrypt_mode_get_size"); |
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if (_mcrypt_get_size == NULL) { |
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error = lt_dlerror(); |
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if (error!=NULL) fputs(error, stderr); |
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fputs("\n", stderr); |
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return MCRYPT_UNKNOWN_ERROR; |
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} |
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return _mcrypt_get_size(); |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_set_key(MCRYPT td, void *a, void *b, int c, void *d, int e) |
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{ |
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int (*__mcrypt_set_key_stream) (void *, void *, int, void *, int); |
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int (*__mcrypt_set_key_block) (void *, void *, int); |
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const char *error; |
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|
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if (mcrypt_enc_is_block_algorithm(td) == 0) { |
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/* stream */ |
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__mcrypt_set_key_stream = lt_dlsym(td->algorithm_handle, "_mcrypt_set_key"); |
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if (__mcrypt_set_key_stream == NULL) { |
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error = lt_dlerror(); |
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if (error!=NULL) fputs(error, stderr); |
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fputs("\n", stderr); |
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return -2; |
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} |
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return __mcrypt_set_key_stream(a, b, c, d, e); |
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} else { |
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__mcrypt_set_key_block = lt_dlsym(td->algorithm_handle, "_mcrypt_set_key"); |
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if (__mcrypt_set_key_block == NULL) { |
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error = lt_dlerror(); |
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if (error!=NULL) fputs(error, stderr); |
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fputs("\n", stderr); |
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return -2; |
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} |
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return __mcrypt_set_key_block(a, b, c); |
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} |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_enc_set_state(MCRYPT td, void *iv, int size) |
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{ |
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int (*__mcrypt_set_state) (void *, void *, int); |
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const char *error; |
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|
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__mcrypt_set_state = lt_dlsym(td->mode_handle, "_mcrypt_set_state"); |
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if (__mcrypt_set_state==NULL) { |
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error = lt_dlerror(); |
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if (error!=NULL) fputs(error, stderr); |
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fputs("\n", stderr); |
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return MCRYPT_UNKNOWN_ERROR; |
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} |
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return __mcrypt_set_state(td->abuf, iv, size); |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_enc_get_block_size(MCRYPT td) |
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{ |
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int (*_mcrypt_get_block_size) (void); |
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|
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_mcrypt_get_block_size = td->a_block_size; |
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return _mcrypt_get_block_size(); |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_get_algo_iv_size(MCRYPT td) |
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{ |
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int (*_mcrypt_get_algo_iv_size) (void); |
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|
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_mcrypt_get_algo_iv_size = lt_dlsym(td->algorithm_handle, "_mcrypt_get_algo_iv_size"); |
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return _mcrypt_get_algo_iv_size(); |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_enc_get_iv_size(MCRYPT td) |
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{ |
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if (mcrypt_enc_is_block_algorithm_mode(td) == 1) { |
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return mcrypt_enc_get_block_size(td); |
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} else { |
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return mcrypt_get_algo_iv_size(td); |
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} |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_enc_get_key_size(MCRYPT td) |
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{ |
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int (*_mcrypt_get_key_size) (void); |
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|
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_mcrypt_get_key_size = lt_dlsym(td->algorithm_handle, "_mcrypt_get_key_size"); |
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return _mcrypt_get_key_size(); |
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} |
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|
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WIN32DLL_DEFINE |
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int *mcrypt_enc_get_supported_key_sizes(MCRYPT td, int *len) |
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{ |
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int *(*_mcrypt_get_key_sizes) (int *); |
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int *size; |
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|
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_mcrypt_get_key_sizes = |
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lt_dlsym(td->algorithm_handle, "_mcrypt_get_supported_key_sizes"); |
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size = _mcrypt_get_key_sizes(len); |
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|
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return size; |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_enc_is_block_algorithm(MCRYPT td) |
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{ |
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int (*_is_block_algorithm) (void); |
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|
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_is_block_algorithm = lt_dlsym(td->algorithm_handle, "_is_block_algorithm"); |
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return _is_block_algorithm(); |
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} |
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|
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WIN32DLL_DEFINE |
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char *mcrypt_enc_get_algorithms_name(MCRYPT td) |
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{ |
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char *(*_mcrypt_get_algorithms_name) (void); |
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|
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_mcrypt_get_algorithms_name = |
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lt_dlsym(td->algorithm_handle, "_mcrypt_get_algorithms_name"); |
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return _mcrypt_get_algorithms_name(); |
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} |
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|
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WIN32DLL_DEFINE |
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int init_mcrypt(MCRYPT td, void *buf, void *a, int b, void *c) |
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{ |
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int (*_init_mcrypt) (void *, void *, int, void *, int); |
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|
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_init_mcrypt = lt_dlsym(td->mode_handle, "_init_mcrypt"); |
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return _init_mcrypt(buf, a, b, c, mcrypt_enc_get_block_size(td)); |
339 |
} |
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|
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WIN32DLL_DEFINE |
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int end_mcrypt(MCRYPT td, void *buf) |
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{ |
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int (*_end_mcrypt) (void *); |
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|
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_end_mcrypt = lt_dlsym(td->mode_handle, "_end_mcrypt"); |
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return _end_mcrypt(buf); |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt(MCRYPT td, void *buf, void *a, int b) |
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{ |
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int (*_mcrypt) (void *, void *, int, int, void *, void *, void*); |
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_mcrypt = td->m_encrypt; |
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|
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return _mcrypt(buf, a, b, mcrypt_enc_get_block_size(td), td->akey, |
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td->a_encrypt, td->a_decrypt); |
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} |
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|
360 |
WIN32DLL_DEFINE |
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int mdecrypt(MCRYPT td, void *buf, void *a, int b) |
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{ |
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int (*_mdecrypt) (void *, void *, int, int, void *, void *, void*); |
364 |
|
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_mdecrypt = td->m_decrypt; |
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return _mdecrypt(buf, a, b, mcrypt_enc_get_block_size(td), |
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td->akey, td->a_encrypt, td->a_decrypt); |
368 |
} |
369 |
|
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WIN32DLL_DEFINE |
371 |
char *mcrypt_enc_get_modes_name(MCRYPT td) |
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{ |
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char *(*_mcrypt_get_modes_name) (void); |
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|
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_mcrypt_get_modes_name = lt_dlsym(td->mode_handle, "_mcrypt_get_modes_name"); |
376 |
return _mcrypt_get_modes_name(); |
377 |
} |
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|
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WIN32DLL_DEFINE |
380 |
int mcrypt_enc_is_block_mode(MCRYPT td) |
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{ |
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int (*_is_block_mode) (void); |
383 |
|
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_is_block_mode = lt_dlsym(td->mode_handle, "_is_block_mode"); |
385 |
return _is_block_mode(); |
386 |
} |
387 |
|
388 |
WIN32DLL_DEFINE |
389 |
int mcrypt_enc_mode_has_iv(MCRYPT td) |
390 |
{ |
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int (*_has_iv) (void); |
392 |
|
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_has_iv = lt_dlsym(td->mode_handle, "_has_iv"); |
394 |
return _has_iv(); |
395 |
} |
396 |
|
397 |
WIN32DLL_DEFINE |
398 |
int mcrypt_enc_is_block_algorithm_mode(MCRYPT td) |
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{ |
400 |
int (*_is_a_block_mode) (void); |
401 |
|
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_is_a_block_mode = lt_dlsym(td->mode_handle, "_is_block_algorithm_mode"); |
403 |
return _is_a_block_mode(); |
404 |
} |
405 |
|
406 |
WIN32DLL_DEFINE |
407 |
int mcrypt_enc_self_test(MCRYPT td) |
408 |
{ |
409 |
int (*_self_test) (void); |
410 |
|
411 |
_self_test = lt_dlsym(td->algorithm_handle, "_mcrypt_self_test"); |
412 |
|
413 |
return _self_test(); |
414 |
} |
415 |
|
416 |
WIN32DLL_DEFINE |
417 |
int mcrypt_module_self_test(char *algorithm, char *a_directory) |
418 |
{ |
419 |
int i; |
420 |
lt_dlhandle _handle; |
421 |
int (*_self_test) (void); |
422 |
const char* error; |
423 |
|
424 |
if (lt_dlinit() != 0) { |
425 |
return MCRYPT_UNKNOWN_ERROR; |
426 |
} |
427 |
|
428 |
_handle = mcrypt_dlopen(a_directory, NULL, algorithm); |
429 |
|
430 |
if (!_handle) { |
431 |
error=lt_dlerror(); |
432 |
if (error!=NULL) fputs( error, stderr); |
433 |
fputs("\n", stderr); |
434 |
lt_dlexit(); |
435 |
return MCRYPT_UNKNOWN_ERROR; |
436 |
} |
437 |
|
438 |
_self_test = lt_dlsym(_handle, "_mcrypt_self_test"); |
439 |
|
440 |
i = _self_test(); |
441 |
|
442 |
lt_dlclose(_handle); |
443 |
if (lt_dlexit() != 0) { |
444 |
return MCRYPT_UNKNOWN_ERROR; |
445 |
} |
446 |
|
447 |
return i; |
448 |
} |
449 |
|
450 |
WIN32DLL_DEFINE |
451 |
int mcrypt_module_algorithm_version(char *algorithm, char *a_directory) |
452 |
{ |
453 |
int i; |
454 |
lt_dlhandle _handle; |
455 |
int (*_version) (void); |
456 |
const char* error; |
457 |
|
458 |
if (lt_dlinit() != 0) { |
459 |
return MCRYPT_UNKNOWN_ERROR; |
460 |
} |
461 |
|
462 |
_handle = mcrypt_dlopen(a_directory, NULL, algorithm); |
463 |
if (!_handle) { |
464 |
error=lt_dlerror(); |
465 |
if (error!=NULL) fputs( error, stderr); |
466 |
fputs("\n", stderr); |
467 |
return MCRYPT_UNKNOWN_ERROR; |
468 |
} |
469 |
|
470 |
_version = lt_dlsym(_handle, "_mcrypt_algorithm_version"); |
471 |
|
472 |
i = _version(); |
473 |
|
474 |
lt_dlclose(_handle); |
475 |
if (lt_dlexit() != 0) { |
476 |
return MCRYPT_UNKNOWN_ERROR; |
477 |
} |
478 |
|
479 |
return i; |
480 |
} |
481 |
|
482 |
WIN32DLL_DEFINE |
483 |
int mcrypt_module_mode_version(char *mode, char *m_directory) |
484 |
{ |
485 |
int i; |
486 |
lt_dlhandle _handle; |
487 |
int (*_version) (void); |
488 |
const char* error; |
489 |
|
490 |
if (lt_dlinit() != 0) { |
491 |
return MCRYPT_UNKNOWN_ERROR; |
492 |
} |
493 |
|
494 |
_handle = mcrypt_dlopen(m_directory, NULL, mode); |
495 |
if (!_handle) { |
496 |
error=lt_dlerror(); |
497 |
if(error!=NULL) fputs(error, stderr); |
498 |
fputs("\n", stderr); |
499 |
return MCRYPT_UNKNOWN_ERROR; |
500 |
} |
501 |
|
502 |
_version = lt_dlsym(_handle, "_mcrypt_mode_version"); |
503 |
|
504 |
i = _version(); |
505 |
|
506 |
lt_dlclose(_handle); |
507 |
if (lt_dlexit() != 0) { |
508 |
return MCRYPT_UNKNOWN_ERROR; |
509 |
} |
510 |
|
511 |
return i; |
512 |
} |
513 |
|
514 |
WIN32DLL_DEFINE |
515 |
int mcrypt_module_is_block_algorithm(char *algorithm, char *a_directory) |
516 |
{ |
517 |
int i; |
518 |
lt_dlhandle _handle; |
519 |
int (*_is_block_algorithm) (void); |
520 |
const char* error; |
521 |
|
522 |
if (lt_dlinit() != 0) { |
523 |
return MCRYPT_UNKNOWN_ERROR; |
524 |
} |
525 |
|
526 |
_handle = mcrypt_dlopen(a_directory, NULL, algorithm); |
527 |
|
528 |
if (!_handle) { |
529 |
error=lt_dlerror(); |
530 |
if(error!=NULL) fputs( error, stderr); |
531 |
fputs("\n", stderr); |
532 |
return MCRYPT_UNKNOWN_ERROR; |
533 |
} |
534 |
|
535 |
_is_block_algorithm = lt_dlsym(_handle, "_is_block_algorithm"); |
536 |
|
537 |
i = _is_block_algorithm(); |
538 |
|
539 |
lt_dlclose(_handle); |
540 |
if (lt_dlexit() != 0) { |
541 |
return MCRYPT_UNKNOWN_ERROR; |
542 |
} |
543 |
|
544 |
return i; |
545 |
} |
546 |
|
547 |
WIN32DLL_DEFINE |
548 |
int mcrypt_module_is_block_algorithm_mode(char *mode, char *m_directory) |
549 |
{ |
550 |
int i; |
551 |
lt_dlhandle _handle; |
552 |
int (*_is_a_block_mode) (void); |
553 |
const char* error; |
554 |
|
555 |
if (lt_dlinit() != 0) { |
556 |
return MCRYPT_UNKNOWN_ERROR; |
557 |
} |
558 |
|
559 |
_handle = mcrypt_dlopen(m_directory, NULL, mode); |
560 |
if (!_handle) { |
561 |
error=lt_dlerror(); |
562 |
if(error!=NULL) fputs( error, stderr); |
563 |
fputs("\n", stderr); |
564 |
return MCRYPT_UNKNOWN_ERROR; |
565 |
} |
566 |
|
567 |
_is_a_block_mode = lt_dlsym(_handle, "_is_block_algorithm_mode"); |
568 |
|
569 |
i = _is_a_block_mode(); |
570 |
|
571 |
lt_dlclose(_handle); |
572 |
if (lt_dlexit() != 0) { |
573 |
return MCRYPT_UNKNOWN_ERROR; |
574 |
} |
575 |
|
576 |
return i; |
577 |
} |
578 |
|
579 |
WIN32DLL_DEFINE |
580 |
int mcrypt_module_is_block_mode(char *mode, char *m_directory) |
581 |
{ |
582 |
int i; |
583 |
lt_dlhandle _handle; |
584 |
int (*_is_block_mode) (void); |
585 |
const char* error; |
586 |
|
587 |
if (lt_dlinit() != 0) { |
588 |
return MCRYPT_UNKNOWN_ERROR; |
589 |
} |
590 |
|
591 |
_handle = mcrypt_dlopen(m_directory, NULL, mode); |
592 |
if (!_handle) { |
593 |
error=lt_dlerror(); |
594 |
if(error!=NULL) fputs( error, stderr); |
595 |
fputs("\n", stderr); |
596 |
return MCRYPT_UNKNOWN_ERROR; |
597 |
} |
598 |
|
599 |
_is_block_mode = lt_dlsym(_handle, "_is_block_mode"); |
600 |
|
601 |
i = _is_block_mode(); |
602 |
|
603 |
lt_dlclose(_handle); |
604 |
if (lt_dlexit() != 0) { |
605 |
return MCRYPT_UNKNOWN_ERROR; |
606 |
} |
607 |
|
608 |
return i; |
609 |
} |
610 |
|
611 |
WIN32DLL_DEFINE |
612 |
int mcrypt_module_get_algo_block_size(char *algorithm, char *a_directory) |
613 |
{ |
614 |
int i; |
615 |
lt_dlhandle _handle; |
616 |
int (*_get_block_size) (void); |
617 |
const char* error; |
618 |
|
619 |
if (lt_dlinit() != 0) { |
620 |
return MCRYPT_UNKNOWN_ERROR; |
621 |
} |
622 |
|
623 |
_handle = mcrypt_dlopen(a_directory, NULL, algorithm); |
624 |
if (!_handle) { |
625 |
error=lt_dlerror(); |
626 |
if(error!=NULL) fputs( error, stderr); |
627 |
fputs("\n", stderr); |
628 |
return MCRYPT_UNKNOWN_ERROR; |
629 |
} |
630 |
|
631 |
_get_block_size = lt_dlsym(_handle, "_mcrypt_get_block_size"); |
632 |
|
633 |
i = _get_block_size(); |
634 |
|
635 |
lt_dlclose(_handle); |
636 |
if (lt_dlexit() != 0) { |
637 |
return MCRYPT_UNKNOWN_ERROR; |
638 |
} |
639 |
|
640 |
return i; |
641 |
} |
642 |
|
643 |
WIN32DLL_DEFINE |
644 |
int mcrypt_module_get_algo_key_size(char *algorithm, char *a_directory) |
645 |
{ |
646 |
int i; |
647 |
lt_dlhandle _handle; |
648 |
int (*_get_key_size) (void); |
649 |
const char* error; |
650 |
|
651 |
if (lt_dlinit() != 0) { |
652 |
return MCRYPT_UNKNOWN_ERROR; |
653 |
} |
654 |
|
655 |
_handle = mcrypt_dlopen(a_directory, NULL, algorithm); |
656 |
if (!_handle) { |
657 |
error=lt_dlerror(); |
658 |
if(error!=NULL) fputs( error, stderr); |
659 |
fputs("\n", stderr); |
660 |
return MCRYPT_UNKNOWN_ERROR; |
661 |
} |
662 |
|
663 |
_get_key_size = lt_dlsym(_handle, "_mcrypt_get_key_size"); |
664 |
|
665 |
i = _get_key_size(); |
666 |
|
667 |
lt_dlclose(_handle); |
668 |
if (lt_dlexit() != 0) { |
669 |
return MCRYPT_UNKNOWN_ERROR; |
670 |
} |
671 |
|
672 |
return i; |
673 |
} |
674 |
|
675 |
WIN32DLL_DEFINE |
676 |
int *mcrypt_module_get_algo_supported_key_sizes(char *algorithm, |
677 |
char *a_directory, |
678 |
int *len) |
679 |
{ |
680 |
lt_dlhandle _handle; |
681 |
int *(*_mcrypt_get_key_sizes) (int *); |
682 |
int *size; |
683 |
const char* error; |
684 |
|
685 |
if (lt_dlinit() != 0) { |
686 |
*len = 0; |
687 |
return NULL; |
688 |
} |
689 |
|
690 |
_handle = mcrypt_dlopen(a_directory, NULL, algorithm); |
691 |
if (!_handle) { |
692 |
error=lt_dlerror(); |
693 |
if(error!=NULL) fputs( error, stderr); |
694 |
fputs("\n", stderr); |
695 |
*len = 0; |
696 |
return NULL; |
697 |
} |
698 |
|
699 |
_mcrypt_get_key_sizes = |
700 |
lt_dlsym(_handle, "_mcrypt_get_supported_key_sizes"); |
701 |
|
702 |
size = _mcrypt_get_key_sizes(len); |
703 |
|
704 |
lt_dlclose(_handle); |
705 |
if (lt_dlexit() != 0) { |
706 |
return NULL; |
707 |
} |
708 |
|
709 |
return size; |
710 |
} |