crypto/engine/eng_cryptodev.c

101 static void zapparams(struct crypt_kop *kop);
102 static int cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r,
707 static void zapparams(struct crypt_kop *kop)
711     for (i = 0; i <= kop->crk_iparams + kop->crk_oparams; i++) {
712         if (kop->crk_param[i].crp_p)
713             free(kop->crk_param[i].crp_p);
714         kop->crk_param[i].crp_p = NULL;
715         kop->crk_param[i].crp_nbits = 0;
720 cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, int slen,
729         kop->crk_param[kop->crk_iparams].crp_p = calloc(rlen, sizeof(char));
730         kop->crk_param[kop->crk_iparams].crp_nbits = rlen * 8;
731         kop->crk_oparams++;
734         kop->crk_param[kop->crk_iparams + 1].crp_p =
736         kop->crk_param[kop->crk_iparams + 1].crp_nbits = slen * 8;
737         kop->crk_oparams++;
740     if (ioctl(fd, CIOCKEY, kop) == 0) {
742             crparam2bn(&kop->crk_param[kop->crk_iparams], r);
744             crparam2bn(&kop->crk_param[kop->crk_iparams + 1], s);
755     struct crypt_kop kop;
767     memset(&kop, 0, sizeof kop);
768     kop.crk_op = CRK_MOD_EXP;
771     if (bn2crparam(a, &kop.crk_param[0]))
773     if (bn2crparam(p, &kop.crk_param[1]))
775     if (bn2crparam(m, &kop.crk_param[2]))
777     kop.crk_iparams = 3;
779     if (cryptodev_asym(&kop, BN_num_bytes(m), r, 0, NULL)) {
784     } else if (ECANCELED == kop.crk_status) {
792     zapparams(&kop);
809     struct crypt_kop kop;
817     memset(&kop, 0, sizeof kop);
818     kop.crk_op = CRK_MOD_EXP_CRT;
820     if (bn2crparam(rsa->p, &kop.crk_param[0]))
822     if (bn2crparam(rsa->q, &kop.crk_param[1]))
824     if (bn2crparam(I, &kop.crk_param[2]))
826     if (bn2crparam(rsa->dmp1, &kop.crk_param[3]))
828     if (bn2crparam(rsa->dmq1, &kop.crk_param[4]))
830     if (bn2crparam(rsa->iqmp, &kop.crk_param[5]))
832     kop.crk_iparams = 6;
834     if (cryptodev_asym(&kop, BN_num_bytes(rsa->n), r0, 0, NULL)) {
839     } else if (ECANCELED == kop.crk_status) {
847     zapparams(&kop);
909     struct crypt_kop kop;
920     memset(&kop, 0, sizeof kop);
921     kop.crk_op = CRK_DSA_SIGN;
924     kop.crk_param[0].crp_p = (caddr_t) dgst;
925     kop.crk_param[0].crp_nbits = dlen * 8;
926     if (bn2crparam(dsa->p, &kop.crk_param[1]))
928     if (bn2crparam(dsa->q, &kop.crk_param[2]))
930     if (bn2crparam(dsa->g, &kop.crk_param[3]))
932     if (bn2crparam(dsa->priv_key, &kop.crk_param[4]))
934     kop.crk_iparams = 5;
936     if (cryptodev_asym(&kop, BN_num_bytes(dsa->q), r,
948     kop.crk_param[0].crp_p = NULL;
949     zapparams(&kop);
957     struct crypt_kop kop;
960     memset(&kop, 0, sizeof kop);
961     kop.crk_op = CRK_DSA_VERIFY;
964     kop.crk_param[0].crp_p = (caddr_t) dgst;
965     kop.crk_param[0].crp_nbits = dlen * 8;
966     if (bn2crparam(dsa->p, &kop.crk_param[1]))
968     if (bn2crparam(dsa->q, &kop.crk_param[2]))
970     if (bn2crparam(dsa->g, &kop.crk_param[3]))
972     if (bn2crparam(dsa->pub_key, &kop.crk_param[4]))
974     if (bn2crparam(sig->r, &kop.crk_param[5]))
976     if (bn2crparam(sig->s, &kop.crk_param[6]))
978     kop.crk_iparams = 7;
980     if (cryptodev_asym(&kop, 0, NULL, 0, NULL) == 0) {
984         if (0 != kop.crk_status)
992     kop.crk_param[0].crp_p = NULL;
993     zapparams(&kop);
1021     struct crypt_kop kop;
1033     memset(&kop, 0, sizeof kop);
1034     kop.crk_op = CRK_DH_COMPUTE_KEY;
1037     if (bn2crparam(dh->priv_key, &kop.crk_param[0]))
1039     if (bn2crparam(pub_key, &kop.crk_param[1]))
1041     if (bn2crparam(dh->p, &kop.crk_param[2]))
1043     kop.crk_iparams = 3;
1045     kop.crk_param[3].crp_p = (char *)key;
1046     kop.crk_param[3].crp_nbits = keylen * 8;
1047     kop.crk_oparams = 1;
1049     if (ioctl(fd, CIOCKEY, &kop) == -1) {
1055     kop.crk_param[3].crp_p = NULL;
1056     zapparams(&kop);