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- Work in progress: Almost finished (hopefully) flexible sm implementation

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(untested).  struct sm_ctx needs external cipher and authentication
  implementations.  Here only routines for encryption/decryption/authentication
  with PACE are given.


git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@54 96b47cad-a561-4643-ad3b-153ac7d7599c
This commit is contained in:
frankmorgner
2010-04-09 20:36:32 +00:00
parent 9d573d0398
commit 62e48e2a7c
11 changed files with 651 additions and 579 deletions
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35
ccid/sm.h
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@@ -16,11 +16,11 @@
* You should have received a copy of the GNU General Public License along with
* ccid. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SM_H
#define _SM_H
#ifndef _CCID_SM_H
#define _CCID_SM_H
#include <opensc/opensc.h>
#include <openssl/evp.h>
#include <openssl/buffer.h>
#ifdef __cplusplus
extern "C" {
@@ -31,19 +31,21 @@ extern "C" {
struct sm_ctx {
u8 padding_indicator;
u8 *key_mac;
size_t key_mac_len;
u8 *key_enc;
size_t key_enc_len;
size_t block_length;
const EVP_CIPHER *cipher;
EVP_CIPHER_CTX *cipher_ctx;
ENGINE *cipher_engine;
unsigned char *iv;
const EVP_MD * md;
EVP_MD_CTX * md_ctx;
ENGINE *md_engine;
void *authentication_ctx;
int (*authenticate)(sc_card_t *card, const struct sm_ctx *ctx,
const u8 *data, size_t datalen, u8 **outdata);
int (*verify_authentication)(sc_card_t *card, const struct sm_ctx *ctx,
const u8 *mac, size_t maclen,
const u8 *macdata, size_t macdatalen);
void *cipher_ctx;
int (*encrypt)(sc_card_t *card, const struct sm_ctx *ctx,
const u8 *data, size_t datalen, u8 **enc);
int (*decrypt)(sc_card_t *card, const struct sm_ctx *ctx,
const u8 *enc, size_t enclen, u8 **data);
};
int sm_encrypt(const struct sm_ctx *ctx, sc_card_t *card,
@@ -51,6 +53,11 @@ int sm_encrypt(const struct sm_ctx *ctx, sc_card_t *card,
int sm_decrypt(const struct sm_ctx *ctx, sc_card_t *card,
const sc_apdu_t *sm_apdu, sc_apdu_t *apdu);
BUF_MEM * add_iso_pad(const BUF_MEM * m, int block_size);
BUF_MEM * add_padding(const struct sm_ctx *ctx, const char *data, size_t datalen);
void bin_log(sc_context_t *ctx, const char *label, const u8 *data, size_t len);
#ifdef __cplusplus
}
#endif