crypto/engine/eng_cryptodev.c

105 static void zapparams(struct crypt_kop *kop);
106 static int cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r,
1068 static void zapparams(struct crypt_kop *kop)
1072     for (i = 0; i < kop->crk_iparams + kop->crk_oparams; i++) {
1073         OPENSSL_free(kop->crk_param[i].crp_p);
1074         kop->crk_param[i].crp_p = NULL;
1075         kop->crk_param[i].crp_nbits = 0;
1080 cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, int slen,
1089         kop->crk_param[kop->crk_iparams].crp_p = OPENSSL_malloc(rlen);
1090         if (kop->crk_param[kop->crk_iparams].crp_p == NULL)
1092         memset(kop->crk_param[kop->crk_iparams].crp_p, 0, (size_t)rlen);
1093         kop->crk_param[kop->crk_iparams].crp_nbits = rlen * 8;
1094         kop->crk_oparams++;
1097         kop->crk_param[kop->crk_iparams + 1].crp_p = OPENSSL_malloc(slen);
1098         /* No need to free the kop->crk_iparams parameter if it was allocated,
1102         if (kop->crk_param[kop->crk_iparams+1].crp_p == NULL)
1104         memset(kop->crk_param[kop->crk_iparams + 1].crp_p, 0, (size_t)slen);
1105         kop->crk_param[kop->crk_iparams + 1].crp_nbits = slen * 8;
1106         kop->crk_oparams++;
1109     if (ioctl(fd, CIOCKEY, kop) == 0) {
1111             crparam2bn(&kop->crk_param[kop->crk_iparams], r);
1113             crparam2bn(&kop->crk_param[kop->crk_iparams + 1], s);
1124     struct crypt_kop kop;
1136     memset(&kop, 0, sizeof(kop));
1137     kop.crk_op = CRK_MOD_EXP;
1140     if (bn2crparam(a, &kop.crk_param[0]))
1142     if (bn2crparam(p, &kop.crk_param[1]))
1144     if (bn2crparam(m, &kop.crk_param[2]))
1146     kop.crk_iparams = 3;
1148     if (cryptodev_asym(&kop, BN_num_bytes(m), r, 0, NULL)) {
1153     } else if (ECANCELED == kop.crk_status) {
1161     zapparams(&kop);
1179     struct crypt_kop kop;
1187     memset(&kop, 0, sizeof(kop));
1188     kop.crk_op = CRK_MOD_EXP_CRT;
1190     if (bn2crparam(rsa->p, &kop.crk_param[0]))
1192     if (bn2crparam(rsa->q, &kop.crk_param[1]))
1194     if (bn2crparam(I, &kop.crk_param[2]))
1196     if (bn2crparam(rsa->dmp1, &kop.crk_param[3]))
1198     if (bn2crparam(rsa->dmq1, &kop.crk_param[4]))
1200     if (bn2crparam(rsa->iqmp, &kop.crk_param[5]))
1202     kop.crk_iparams = 6;
1204     if (cryptodev_asym(&kop, BN_num_bytes(rsa->n), r0, 0, NULL)) {
1209     } else if (ECANCELED == kop.crk_status) {
1217     zapparams(&kop);
1279     struct crypt_kop kop;
1290     memset(&kop, 0, sizeof(kop));
1291     kop.crk_op = CRK_DSA_SIGN;
1294     kop.crk_param[0].crp_p = (caddr_t) dgst;
1295     kop.crk_param[0].crp_nbits = dlen * 8;
1296     if (bn2crparam(dsa->p, &kop.crk_param[1]))
1298     if (bn2crparam(dsa->q, &kop.crk_param[2]))
1300     if (bn2crparam(dsa->g, &kop.crk_param[3]))
1302     if (bn2crparam(dsa->priv_key, &kop.crk_param[4]))
1304     kop.crk_iparams = 5;
1306     if (cryptodev_asym(&kop, BN_num_bytes(dsa->q), r,
1321     kop.crk_param[0].crp_p = NULL;
1322     zapparams(&kop);
1330     struct crypt_kop kop;
1333     memset(&kop, 0, sizeof(kop));
1334     kop.crk_op = CRK_DSA_VERIFY;
1337     kop.crk_param[0].crp_p = (caddr_t) dgst;
1338     kop.crk_param[0].crp_nbits = dlen * 8;
1339     if (bn2crparam(dsa->p, &kop.crk_param[1]))
1341     if (bn2crparam(dsa->q, &kop.crk_param[2]))
1343     if (bn2crparam(dsa->g, &kop.crk_param[3]))
1345     if (bn2crparam(dsa->pub_key, &kop.crk_param[4]))
1347     if (bn2crparam(sig->r, &kop.crk_param[5]))
1349     if (bn2crparam(sig->s, &kop.crk_param[6]))
1351     kop.crk_iparams = 7;
1353     if (cryptodev_asym(&kop, 0, NULL, 0, NULL) == 0) {
1357         if (0 != kop.crk_status)
1365     kop.crk_param[0].crp_p = NULL;
1366     zapparams(&kop);
1394     struct crypt_kop kop;
1406     memset(&kop, 0, sizeof(kop));
1407     kop.crk_op = CRK_DH_COMPUTE_KEY;
1410     if (bn2crparam(dh->priv_key, &kop.crk_param[0]))
1412     if (bn2crparam(pub_key, &kop.crk_param[1]))
1414     if (bn2crparam(dh->p, &kop.crk_param[2]))
1416     kop.crk_iparams = 3;
1418     kop.crk_param[3].crp_p = (caddr_t) key;
1419     kop.crk_param[3].crp_nbits = keylen * 8;
1420     kop.crk_oparams = 1;
1422     if (ioctl(fd, CIOCKEY, &kop) == -1) {
1428     kop.crk_param[3].crp_p = NULL;
1429     zapparams(&kop);