#include <rte_cryptodev_pmd.h>
#include "rte_openssl_pmd_private.h"
+#include "compat.h"
static const struct rte_cryptodev_capabilities openssl_pmd_capabilities[] = {
}, }
}, }
},
+ { /* RSA */
+ .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
+ {.asym = {
+ .xform_capa = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_RSA,
+ .op_types = ((1 << RTE_CRYPTO_ASYM_OP_SIGN) |
+ (1 << RTE_CRYPTO_ASYM_OP_VERIFY) |
+ (1 << RTE_CRYPTO_ASYM_OP_ENCRYPT) |
+ (1 << RTE_CRYPTO_ASYM_OP_DECRYPT)),
+ {
+ .modlen = {
+ /* min length is based on openssl rsa keygen */
+ .min = 30,
+ /* value 0 symbolizes no limit on max length */
+ .max = 0,
+ .increment = 1
+ }, }
+ }
+ },
+ }
+ },
+ { /* modexp */
+ .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
+ {.asym = {
+ .xform_capa = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_MODEX,
+ .op_types = 0,
+ {
+ .modlen = {
+ /* value 0 symbolizes no limit on min length */
+ .min = 0,
+ /* value 0 symbolizes no limit on max length */
+ .max = 0,
+ .increment = 1
+ }, }
+ }
+ },
+ }
+ },
+ { /* modinv */
+ .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
+ {.asym = {
+ .xform_capa = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_MODINV,
+ .op_types = 0,
+ {
+ .modlen = {
+ /* value 0 symbolizes no limit on min length */
+ .min = 0,
+ /* value 0 symbolizes no limit on max length */
+ .max = 0,
+ .increment = 1
+ }, }
+ }
+ },
+ }
+ },
RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};
return dev->data->nb_queue_pairs;
}
-/** Returns the size of the session structure */
+/** Returns the size of the symmetric session structure */
static unsigned
openssl_pmd_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
{
return sizeof(struct openssl_session);
}
+/** Returns the size of the asymmetric session structure */
+static unsigned
+openssl_pmd_asym_session_get_size(struct rte_cryptodev *dev __rte_unused)
+{
+ return sizeof(struct openssl_asym_session);
+}
+
/** Configure the session from a crypto xform chain */
static int
openssl_pmd_sym_session_configure(struct rte_cryptodev *dev __rte_unused,
return 0;
}
+static int openssl_set_asym_session_parameters(
+ struct openssl_asym_session *asym_session,
+ struct rte_crypto_asym_xform *xform)
+{
+ int ret = 0;
+
+ if (xform->next != NULL) {
+ OPENSSL_LOG(ERR, "chained xfrms are not supported on %s",
+ rte_crypto_asym_xform_strings[xform->xform_type]);
+ return -1;
+ }
+
+ switch (xform->xform_type) {
+ case RTE_CRYPTO_ASYM_XFORM_RSA:
+ {
+ BIGNUM *n = NULL;
+ BIGNUM *e = NULL;
+ BIGNUM *d = NULL;
+ BIGNUM *p = NULL, *q = NULL, *dmp1 = NULL;
+ BIGNUM *iqmp = NULL, *dmq1 = NULL;
+
+ /* copy xfrm data into rsa struct */
+ n = BN_bin2bn((const unsigned char *)xform->rsa.n.data,
+ xform->rsa.n.length, n);
+ e = BN_bin2bn((const unsigned char *)xform->rsa.e.data,
+ xform->rsa.e.length, e);
+
+ if (!n || !e)
+ goto err_rsa;
+
+ RSA *rsa = RSA_new();
+ if (rsa == NULL)
+ goto err_rsa;
+
+ if (xform->rsa.key_type == RTE_RSA_KEY_TYPE_EXP) {
+ d = BN_bin2bn(
+ (const unsigned char *)xform->rsa.d.data,
+ xform->rsa.d.length,
+ d);
+ if (!d) {
+ RSA_free(rsa);
+ goto err_rsa;
+ }
+ } else {
+ p = BN_bin2bn((const unsigned char *)
+ xform->rsa.qt.p.data,
+ xform->rsa.qt.p.length,
+ p);
+ q = BN_bin2bn((const unsigned char *)
+ xform->rsa.qt.q.data,
+ xform->rsa.qt.q.length,
+ q);
+ dmp1 = BN_bin2bn((const unsigned char *)
+ xform->rsa.qt.dP.data,
+ xform->rsa.qt.dP.length,
+ dmp1);
+ dmq1 = BN_bin2bn((const unsigned char *)
+ xform->rsa.qt.dQ.data,
+ xform->rsa.qt.dQ.length,
+ dmq1);
+ iqmp = BN_bin2bn((const unsigned char *)
+ xform->rsa.qt.qInv.data,
+ xform->rsa.qt.qInv.length,
+ iqmp);
+
+ if (!p || !q || !dmp1 || !dmq1 || !iqmp) {
+ RSA_free(rsa);
+ goto err_rsa;
+ }
+ set_rsa_params(rsa, p, q, ret);
+ if (ret) {
+ OPENSSL_LOG(ERR,
+ "failed to set rsa params\n");
+ RSA_free(rsa);
+ goto err_rsa;
+ }
+ set_rsa_crt_params(rsa, dmp1, dmq1, iqmp, ret);
+ if (ret) {
+ OPENSSL_LOG(ERR,
+ "failed to set crt params\n");
+ RSA_free(rsa);
+ /*
+ * set already populated params to NULL
+ * as its freed by call to RSA_free
+ */
+ p = q = NULL;
+ goto err_rsa;
+ }
+ }
+
+ set_rsa_keys(rsa, n, e, d, ret);
+ if (ret) {
+ OPENSSL_LOG(ERR, "Failed to load rsa keys\n");
+ RSA_free(rsa);
+ return -1;
+ }
+ asym_session->u.r.rsa = rsa;
+ asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_RSA;
+ break;
+err_rsa:
+ if (n)
+ BN_free(n);
+ if (e)
+ BN_free(e);
+ if (d)
+ BN_free(d);
+ if (p)
+ BN_free(p);
+ if (q)
+ BN_free(q);
+ if (dmp1)
+ BN_free(dmp1);
+ if (dmq1)
+ BN_free(dmq1);
+ if (iqmp)
+ BN_free(iqmp);
+
+ return -1;
+ }
+ case RTE_CRYPTO_ASYM_XFORM_MODEX:
+ {
+ struct rte_crypto_modex_xform *xfrm = &(xform->modex);
+
+ BN_CTX *ctx = BN_CTX_new();
+ if (ctx == NULL) {
+ OPENSSL_LOG(ERR,
+ " failed to allocate resources\n");
+ return -1;
+ }
+ BN_CTX_start(ctx);
+ BIGNUM *mod = BN_CTX_get(ctx);
+ BIGNUM *exp = BN_CTX_get(ctx);
+ if (mod == NULL || exp == NULL) {
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
+ return -1;
+ }
+
+ mod = BN_bin2bn((const unsigned char *)
+ xfrm->modulus.data,
+ xfrm->modulus.length, mod);
+ exp = BN_bin2bn((const unsigned char *)
+ xfrm->exponent.data,
+ xfrm->exponent.length, exp);
+ asym_session->u.e.ctx = ctx;
+ asym_session->u.e.mod = mod;
+ asym_session->u.e.exp = exp;
+ asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_MODEX;
+ break;
+ }
+ case RTE_CRYPTO_ASYM_XFORM_MODINV:
+ {
+ struct rte_crypto_modinv_xform *xfrm = &(xform->modinv);
+
+ BN_CTX *ctx = BN_CTX_new();
+ if (ctx == NULL) {
+ OPENSSL_LOG(ERR,
+ " failed to allocate resources\n");
+ return -1;
+ }
+ BN_CTX_start(ctx);
+ BIGNUM *mod = BN_CTX_get(ctx);
+ if (mod == NULL) {
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
+ return -1;
+ }
+
+ mod = BN_bin2bn((const unsigned char *)
+ xfrm->modulus.data,
+ xfrm->modulus.length,
+ mod);
+ asym_session->u.m.ctx = ctx;
+ asym_session->u.m.modulus = mod;
+ asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_MODINV;
+ break;
+ }
+ default:
+ return -1;
+ }
+
+ return 0;
+}
+
+/** Configure the session from a crypto xform chain */
+static int
+openssl_pmd_asym_session_configure(struct rte_cryptodev *dev __rte_unused,
+ struct rte_crypto_asym_xform *xform,
+ struct rte_cryptodev_asym_session *sess,
+ struct rte_mempool *mempool)
+{
+ void *asym_sess_private_data;
+ int ret;
+
+ if (unlikely(sess == NULL)) {
+ OPENSSL_LOG(ERR, "invalid asymmetric session struct");
+ return -EINVAL;
+ }
+
+ if (rte_mempool_get(mempool, &asym_sess_private_data)) {
+ CDEV_LOG_ERR(
+ "Couldn't get object from session mempool");
+ return -ENOMEM;
+ }
+
+ ret = openssl_set_asym_session_parameters(asym_sess_private_data,
+ xform);
+ if (ret != 0) {
+ OPENSSL_LOG(ERR, "failed configure session parameters");
+
+ /* Return session to mempool */
+ rte_mempool_put(mempool, asym_sess_private_data);
+ return ret;
+ }
+
+ set_asym_session_private_data(sess, dev->driver_id,
+ asym_sess_private_data);
+
+ return 0;
+}
/** Clear the memory of session so it doesn't leave key material behind */
static void
}
}
+static void openssl_reset_asym_session(struct openssl_asym_session *sess)
+{
+ switch (sess->xfrm_type) {
+ case RTE_CRYPTO_ASYM_XFORM_RSA:
+ if (sess->u.r.rsa)
+ RSA_free(sess->u.r.rsa);
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_MODEX:
+ if (sess->u.e.ctx) {
+ BN_CTX_end(sess->u.e.ctx);
+ BN_CTX_free(sess->u.e.ctx);
+ }
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_MODINV:
+ if (sess->u.m.ctx) {
+ BN_CTX_end(sess->u.m.ctx);
+ BN_CTX_free(sess->u.m.ctx);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+/** Clear the memory of asymmetric session
+ * so it doesn't leave key material behind
+ */
+static void
+openssl_pmd_asym_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_asym_session *sess)
+{
+ uint8_t index = dev->driver_id;
+ void *sess_priv = get_asym_session_private_data(sess, index);
+
+ /* Zero out the whole structure */
+ if (sess_priv) {
+ openssl_reset_asym_session(sess_priv);
+ memset(sess_priv, 0, sizeof(struct openssl_asym_session));
+ struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
+ set_asym_session_private_data(sess, index, NULL);
+ rte_mempool_put(sess_mp, sess_priv);
+ }
+}
+
struct rte_cryptodev_ops openssl_pmd_ops = {
.dev_configure = openssl_pmd_config,
.dev_start = openssl_pmd_start,
.queue_pair_count = openssl_pmd_qp_count,
.sym_session_get_size = openssl_pmd_sym_session_get_size,
+ .asym_session_get_size = openssl_pmd_asym_session_get_size,
.sym_session_configure = openssl_pmd_sym_session_configure,
- .sym_session_clear = openssl_pmd_sym_session_clear
+ .asym_session_configure = openssl_pmd_asym_session_configure,
+ .sym_session_clear = openssl_pmd_sym_session_clear,
+ .asym_session_clear = openssl_pmd_asym_session_clear
};
struct rte_cryptodev_ops *rte_openssl_pmd_ops = &openssl_pmd_ops;
git.droids-corp.org / dpdk.git / blobdiff