- keys = xmalloc((nkeys+1) * sizeof(Key *));
-
- n = key_new(KEY_RSA1);
- BN_copy(n->rsa->n, k->rsa->n);
- BN_copy(n->rsa->e, k->rsa->e);
- RSA_set_method(n->rsa, sc_get_rsa());
- n->flags |= KEY_FLAG_EXT;
- keys[0] = n;
-
- n = key_new(KEY_RSA);
- BN_copy(n->rsa->n, k->rsa->n);
- BN_copy(n->rsa->e, k->rsa->e);
- RSA_set_method(n->rsa, sc_get_rsa());
- n->flags |= KEY_FLAG_EXT;
- keys[1] = n;
-
- keys[2] = NULL;
-
- key_free(k);
- return keys;
-}
-
-#define NUM_RSA_KEY_ELEMENTS 5+1
-#define COPY_RSA_KEY(x, i) \
- do { \
- len = BN_num_bytes(prv->rsa->x); \
- elements[i] = xmalloc(len); \
- debug("#bytes %d", len); \
- if (BN_bn2bin(prv->rsa->x, elements[i]) < 0) \
- goto done; \
- } while (0)
-
-static void
-sc_mk_digest(const char *pin, u_char *digest)
-{
- const EVP_MD *evp_md = EVP_sha1();
- EVP_MD_CTX md;
-
- EVP_DigestInit(&md, evp_md);
- EVP_DigestUpdate(&md, pin, strlen(pin));
- EVP_DigestFinal(&md, digest, NULL);
-}
-
-static int
-get_AUT0(u_char *aut0)
-{
- char *pass;
-
- pass = read_passphrase("Enter passphrase for smartcard: ", RP_ALLOW_STDIN);
- if (pass == NULL)
- return -1;
- if (!strcmp(pass, "-")) {
- memcpy(aut0, DEFAUT0, sizeof DEFAUT0);
- return 0;
- }
- sc_mk_digest(pass, aut0);
- memset(pass, 0, strlen(pass));
- xfree(pass);
- return 0;
-}
-
-static int
-try_AUT0(void)
-{
- u_char aut0[EVP_MAX_MD_SIZE];
-
- /* permission denied; try PIN if provided */
- if (sc_pin && strlen(sc_pin) > 0) {
- sc_mk_digest(sc_pin, aut0);
- if (cyberflex_verify_AUT0(sc_fd, cla, aut0, 8) < 0) {
- error("smartcard passphrase incorrect");
- return (-1);
- }
- } else {
- /* try default AUT0 key */
- if (cyberflex_verify_AUT0(sc_fd, cla, DEFAUT0, 8) < 0) {
- /* default AUT0 key failed; prompt for passphrase */
- if (get_AUT0(aut0) < 0 ||
- cyberflex_verify_AUT0(sc_fd, cla, aut0, 8) < 0) {
- error("smartcard passphrase incorrect");
- return (-1);
- }
- }
- }
- return (0);
-}
-
-int
-sc_put_key(Key *prv, const char *id)
-{
- u_char *elements[NUM_RSA_KEY_ELEMENTS];
- u_char key_fid[2];
- u_char AUT0[EVP_MAX_MD_SIZE];
- int len, status = -1, i, fd = -1, ret;
- int sw = 0, cla = 0x00;
-
- for (i = 0; i < NUM_RSA_KEY_ELEMENTS; i++)
- elements[i] = NULL;
-
- COPY_RSA_KEY(q, 0);
- COPY_RSA_KEY(p, 1);
- COPY_RSA_KEY(iqmp, 2);
- COPY_RSA_KEY(dmq1, 3);
- COPY_RSA_KEY(dmp1, 4);
- COPY_RSA_KEY(n, 5);
- len = BN_num_bytes(prv->rsa->n);
- fd = sectok_friendly_open(id, STONOWAIT, &sw);
- if (fd < 0) {
- error("sectok_open failed: %s", sectok_get_sw(sw));
- goto done;
- }
- if (! sectok_cardpresent(fd)) {
- error("smartcard in reader %s not present", id);
- goto done;
- }
- ret = sectok_reset(fd, 0, NULL, &sw);
- if (ret <= 0) {
- error("sectok_reset failed: %s", sectok_get_sw(sw));
- goto done;
- }
- if ((cla = cyberflex_inq_class(fd)) < 0) {
- error("cyberflex_inq_class failed");
- goto done;
- }
- memcpy(AUT0, DEFAUT0, sizeof(DEFAUT0));
- if (cyberflex_verify_AUT0(fd, cla, AUT0, sizeof(DEFAUT0)) < 0) {
- if (get_AUT0(AUT0) < 0 ||
- cyberflex_verify_AUT0(fd, cla, AUT0, sizeof(DEFAUT0)) < 0) {
- memset(AUT0, 0, sizeof(DEFAUT0));
- error("smartcard passphrase incorrect");
- goto done;
- }
- }
- memset(AUT0, 0, sizeof(DEFAUT0));
- key_fid[0] = 0x00;
- key_fid[1] = 0x12;
- if (cyberflex_load_rsa_priv(fd, cla, key_fid, 5, 8*len, elements,
- &sw) < 0) {
- error("cyberflex_load_rsa_priv failed: %s", sectok_get_sw(sw));
- goto done;
- }
- if (!sectok_swOK(sw))
- goto done;
- log("cyberflex_load_rsa_priv done");
- key_fid[0] = 0x73;
- key_fid[1] = 0x68;
- if (cyberflex_load_rsa_pub(fd, cla, key_fid, len, elements[5],
- &sw) < 0) {
- error("cyberflex_load_rsa_pub failed: %s", sectok_get_sw(sw));
- goto done;
- }
- if (!sectok_swOK(sw))
- goto done;
- log("cyberflex_load_rsa_pub done");
- status = 0;
-
-done:
- memset(elements[0], '\0', BN_num_bytes(prv->rsa->q));
- memset(elements[1], '\0', BN_num_bytes(prv->rsa->p));
- memset(elements[2], '\0', BN_num_bytes(prv->rsa->iqmp));
- memset(elements[3], '\0', BN_num_bytes(prv->rsa->dmq1));
- memset(elements[4], '\0', BN_num_bytes(prv->rsa->dmp1));
- memset(elements[5], '\0', BN_num_bytes(prv->rsa->n));
-
- for (i = 0; i < NUM_RSA_KEY_ELEMENTS; i++)
- if (elements[i])
- xfree(elements[i]);
- if (fd != -1)
- sectok_close(fd);
- return (status);