Add asymmetric crypto operation support in openssl PMD.
Current list of supported asym xforms:
* RSA
* DSA
* Deffie-hellman
* Modular Operations
changes from v1:
- resolve new line error in dod/guides/cryptodevs/openssl.rst
Signed-off-by: Shally Verma <shally.ve...@caviumnetworks.com>
Signed-off-by: Sunila Sahu <sunila.s...@caviumnetworks.com>
Signed-off-by: Ashish Gupta <ashish.gu...@caviumnetworks.com>
--
Please apply asymmetric crypto API patches before compilation
---
doc/guides/cryptodevs/features/openssl.ini | 11 +
doc/guides/cryptodevs/openssl.rst | 1 +
drivers/crypto/openssl/rte_openssl_pmd.c | 377 ++++++++++++++++++++-
drivers/crypto/openssl/rte_openssl_pmd_ops.c | 400 ++++++++++++++++++++++-
drivers/crypto/openssl/rte_openssl_pmd_private.h | 29 ++
5 files changed, 806 insertions(+), 12 deletions(-)
diff --git a/doc/guides/cryptodevs/features/openssl.ini
b/doc/guides/cryptodevs/features/openssl.ini
index 6915658..bef5c7f 100644
--- a/doc/guides/cryptodevs/features/openssl.ini
+++ b/doc/guides/cryptodevs/features/openssl.ini
@@ -7,6 +7,7 @@
Symmetric crypto = Y
Sym operation chaining = Y
Mbuf scatter gather = Y
+Asymmetric crypto = Y
;
; Supported crypto algorithms of the 'openssl' crypto driver.
@@ -49,3 +50,13 @@ AES GCM (256) = Y
AES CCM (128) = Y
AES CCM (192) = Y
AES CCM (256) = Y
+
+;
+; Supported Asymmetric algorithms of the 'openssl' crypto driver.
+;
+[Asymmetric]
+RSA = Y
+DSA = Y
+Modular Exponentiation = Y
+Modular Inversion = Y
+Deffie-hellman = Y
diff --git a/doc/guides/cryptodevs/openssl.rst
b/doc/guides/cryptodevs/openssl.rst
index 427fc80..4f90be8 100644
--- a/doc/guides/cryptodevs/openssl.rst
+++ b/doc/guides/cryptodevs/openssl.rst
@@ -80,6 +80,7 @@ crypto processing.
Test name is cryptodev_openssl_autotest.
For performance test cryptodev_openssl_perftest can be used.
+For asymmetric crypto operations testing, run cryptodev_openssl_asym_autotest
To verify real traffic l2fwd-crypto example can be used with this command:
diff --git a/drivers/crypto/openssl/rte_openssl_pmd.c
b/drivers/crypto/openssl/rte_openssl_pmd.c
index f584d0d..527e427 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd.c
+++ b/drivers/crypto/openssl/rte_openssl_pmd.c
@@ -727,19 +727,35 @@ static void HMAC_CTX_free(HMAC_CTX *ctx)
}
/** Provide session for operation */
-static struct openssl_session *
+static void *
get_session(struct openssl_qp *qp, struct rte_crypto_op *op)
{
struct openssl_session *sess = NULL;
+ struct openssl_asym_session *asym_sess = NULL;
if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
- /* get existing session */
- if (likely(op->sym->session != NULL))
- sess = (struct openssl_session *)
- get_session_private_data(
- op->sym->session,
- cryptodev_driver_id);
+ if (op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
+ /* get existing session */
+ if (likely(op->sym->session != NULL))
+ sess = (struct openssl_session *)
+ get_session_private_data(
+ op->sym->session,
+ cryptodev_driver_id);
+ } else {
+ if (likely(op->asym->session != NULL))
+ asym_sess = (struct openssl_asym_session *)
+ get_asym_session_private_data(
+ op->asym->session,
+ cryptodev_driver_id);
+ if (asym_sess == NULL)
+ op->status =
+ RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+ return asym_sess;
+ }
} else {
+ if (op->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
+ return NULL; /* sessionless asymmetric not supported */
+
/* provide internal session */
void *_sess = NULL;
void *_sess_private_data = NULL;
@@ -1525,6 +1541,341 @@ static void HMAC_CTX_free(HMAC_CTX *ctx)
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
}
+static int process_openssl_modinv_op(struct rte_crypto_op *cop,
+ struct openssl_asym_session *sess)
+{
+ struct rte_crypto_asym_op *op = cop->asym;
+ BIGNUM *base = BN_CTX_get(sess->u.m.ctx);
+ BIGNUM *res = BN_CTX_get(sess->u.m.ctx);
+
+ if (unlikely(base == NULL || res == NULL)) {
+ if (base)
+ BN_free(base);
+ if (res)
+ BN_free(res);
+ cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ return -1;
+ }
+
+ base = BN_bin2bn((const unsigned char *)op->modinv.base.data,
+ op->modinv.base.length, base);
+
+ if (BN_mod_inverse(res, base, sess->u.m.modulus, sess->u.m.ctx)) {
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+ op->modinv.base.length = BN_bn2bin(res, op->modinv.base.data);
+ } else {
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ }
+
+ return 0;
+}
+
+static int process_openssl_modexp_op(struct rte_crypto_op *cop,
+ struct openssl_asym_session *sess)
+{
+ struct rte_crypto_asym_op *op = cop->asym;
+ BIGNUM *base = BN_CTX_get(sess->u.e.ctx);
+ BIGNUM *res = BN_CTX_get(sess->u.e.ctx);
+
+ if (unlikely(base == NULL || res == NULL)) {
+ if (base)
+ BN_free(base);
+ if (res)
+ BN_free(res);
+ cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ return -1;
+ }
+
+ base = BN_bin2bn((const unsigned char *)op->modinv.base.data,
+ op->modinv.base.length, base);
+
+ if (BN_mod_exp(res, base, sess->u.e.exp,
+ sess->u.e.mod, sess->u.e.ctx)) {
+ op->modinv.base.length = BN_bn2bin(res, op->modinv.base.data);
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+ } else {
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ }
+
+ return 0;
+}
+
+/* process rsa operations */
+static int process_openssl_rsa_op(struct rte_crypto_op *cop,
+ struct openssl_asym_session *sess)
+{
+ int ret = 0;
+ struct rte_crypto_asym_op *op = cop->asym;
+ RSA *rsa = sess->u.r.rsa;
+ uint32_t pad = (op->rsa.pad);
+
+ switch (pad) {
+ case RTE_CRYPTO_RSA_PKCS1_V1_5_BT1:
+ case RTE_CRYPTO_RSA_PKCS1_V1_5_BT2:
+ pad = RSA_PKCS1_PADDING;
+ break;
+ case RTE_CRYPTO_RSA_PADDING_PSS:
+ pad = RSA_PKCS1_PSS_PADDING;
+ /* fall through */
+ case RTE_CRYPTO_RSA_PADDING_OAEP:
+ pad = RSA_PKCS1_OAEP_PADDING;
+ /* fall through */
+ default:
+ pad = RSA_NO_PADDING;
+ break;
+ }
+
+ switch (op->rsa.op_type) {
+ case RTE_CRYPTO_ASYM_OP_ENCRYPT:
+ ret = RSA_public_encrypt(op->rsa.message.length,
+ op->rsa.message.data,
+ op->rsa.message.data,
+ rsa,
+ pad);
+
+ op->rsa.message.length = ret;
+ OPENSSL_LOG_DBG("length of encrypted text %d\n", ret);
+ break;
+
+ case RTE_CRYPTO_ASYM_OP_DECRYPT:
+ ret = RSA_private_decrypt(op->rsa.message.length,
+ op->rsa.message.data,
+ op->rsa.message.data,
+ rsa,
+ pad);
+ op->rsa.message.length = ret;
+ break;
+
+ case RTE_CRYPTO_ASYM_OP_SIGN:
+ ret = RSA_private_encrypt(op->rsa.message.length,
+ op->rsa.message.data,
+ op->rsa.sign.data,
+ rsa,
+ pad);
+ op->rsa.sign.length = ret;
+ break;
+
+ case RTE_CRYPTO_ASYM_OP_VERIFY:
+ ret = RSA_public_decrypt(op->rsa.sign.length,
+ op->rsa.sign.data,
+ op->rsa.sign.data,
+ rsa,
+ pad);
+
+ OPENSSL_LOG_DBG(
+ "Length of public_decrypt %d length of message %d\n",
+ ret, op->rsa.message.length);
+
+ if (memcmp(op->rsa.sign.data, op->rsa.message.data,
+ op->rsa.message.length)) {
+ OPENSSL_LOG_ERR("RSA sign Verification failed");
+ ret = -1;
+ }
+ break;
+ default:
+ /* allow ops with invalid args to be pushed to
+ * completion queue
+ */
+ cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ break;
+ }
+
+ if (ret < 0) {
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ ret = 0;
+ }
+
+ ret = 0;
+ return ret;
+}
+
+static int
+process_openssl_dh_op(struct rte_crypto_op *cop,
+ struct openssl_asym_session *sess)
+{
+ struct rte_crypto_dh_op_param *op = &cop->asym->dh;
+ DH *dh_key = sess->u.dh.dh_key;
+
+ if (sess->u.dh.key_op &
+ (1 << RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE)) {
+ BIGNUM *peer_key = NULL;
+
+ /* copy private key and peer key and compute shared secret */
+ peer_key = BN_bin2bn(op->pub_key.data,
+ op->pub_key.length,
+ peer_key);
+ if (peer_key == NULL) {
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ return 0;
+ }
+ dh_key->priv_key = BN_bin2bn(op->priv_key.data,
+ op->priv_key.length,
+ dh_key->priv_key);
+ op->shared_secret.length = DH_compute_key(
+ op->shared_secret.data,
+ peer_key, dh_key);
+ if (!(op->shared_secret.length)) {
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ BN_free(peer_key);
+ return 0;
+ }
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+ BN_free(peer_key);
+ return 0;
+ }
+
+ if ((sess->u.dh.key_op &
+ (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE)) &&
+ !(sess->u.dh.key_op &
+ (1 << RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE))) {
+ /* generate public key using user-pass private key */
+ dh_key->priv_key = BN_bin2bn(op->priv_key.data,
+ op->priv_key.length,
+ dh_key->priv_key);
+ if (dh_key->priv_key == NULL) {
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ return 0;
+ }
+ }
+
+ /* generate public and private key pair */
+ if (!DH_generate_key(dh_key)) {
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ return 0;
+ }
+
+ if (sess->u.dh.key_op &
+ (1 << RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE)) {
+ OPENSSL_LOG_DBG("%s:%d updated priv key\n",
+ __func__, __LINE__);
+
+ op->priv_key.length = BN_bn2bin(dh_key->priv_key,
+ op->priv_key.data);
+ }
+
+ if (sess->u.dh.key_op & (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE)) {
+ OPENSSL_LOG_DBG("%s:%d update public key\n",
+ __func__, __LINE__);
+
+ op->pub_key.length = BN_bn2bin(dh_key->pub_key,
+ op->pub_key.data);
+ }
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+
+ return 0;
+}
+
+static int
+process_openssl_dsa_sign_op(struct rte_crypto_op *cop,
+ struct openssl_asym_session *sess)
+{
+ struct rte_crypto_dsa_op_param *op = &cop->asym->dsa;
+ DSA *dsa = sess->u.s.dsa;
+ DSA_SIG *sign;
+
+ sign = DSA_do_sign(op->message.data,
+ op->message.length,
+ dsa);
+
+ if (sign == NULL) {
+ OPENSSL_LOG_ERR("%s:%d\n", __func__, __LINE__);
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ } else {
+ op->r.length = BN_bn2bin(sign->r, op->r.data);
+ op->s.length = BN_bn2bin(sign->s, op->s.data);
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+ }
+
+ DSA_SIG_free(sign);
+ return 0;
+}
+
+static int
+process_openssl_dsa_verify_op(struct rte_crypto_op *cop,
+ struct openssl_asym_session *sess)
+{
+ struct rte_crypto_dsa_op_param *op = &cop->asym->dsa;
+ DSA *dsa = sess->u.s.dsa;
+ int ret;
+ DSA_SIG *sign = DSA_SIG_new();
+
+ if (sign == NULL) {
+ OPENSSL_LOG_ERR(" %s:%d\n", __func__, __LINE__);
+ return -1;
+ }
+
+ sign->r = BN_bin2bn(op->r.data,
+ op->r.length,
+ sign->r);
+ sign->s = BN_bin2bn(op->s.data,
+ op->s.length,
+ sign->s);
+
+ dsa->pub_key = BN_bin2bn(op->y.data,
+ op->y.length,
+ dsa->pub_key);
+
+ ret = DSA_do_verify(op->message.data,
+ op->message.length,
+ sign,
+ dsa);
+
+ if (ret != 1)
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ else
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+
+ DSA_SIG_free(sign);
+
+ return 0;
+}
+
+
+static int
+process_asym_op(struct openssl_qp *qp, struct rte_crypto_op *op,
+ struct openssl_asym_session *sess)
+{
+ int retval = 0;
+
+ op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+
+ switch (sess->xfrm_type) {
+ case RTE_CRYPTO_ASYM_XFORM_RSA:
+ retval = process_openssl_rsa_op(op, sess);
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_MODEX:
+ retval = process_openssl_modexp_op(op, sess);
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_MODINV:
+ retval = process_openssl_modinv_op(op, sess);
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_DH:
+ retval = process_openssl_dh_op(op, sess);
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_DSA:
+ if (op->asym->dsa.op_type == RTE_CRYPTO_ASYM_OP_SIGN)
+ retval = process_openssl_dsa_sign_op(op, sess);
+ else if (op->asym->dsa.op_type == RTE_CRYPTO_ASYM_OP_VERIFY)
+ retval = process_openssl_dsa_verify_op(op, sess);
+ else
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ break;
+ default:
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ break;
+ }
+ if (!retval) {
+ /* op processed so push to completion queue as processed */
+ retval = rte_ring_enqueue(qp->processed_ops, (void *)op);
+ if (retval)
+ /* return error if failed to put in completion queue */
+ retval = -1;
+ }
+
+ return retval;
+}
+
+
/** Process crypto operation for mbuf */
static int
process_op(struct openssl_qp *qp, struct rte_crypto_op *op,
@@ -1597,7 +1948,7 @@ static void HMAC_CTX_free(HMAC_CTX *ctx)
openssl_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
uint16_t nb_ops)
{
- struct openssl_session *sess;
+ void *sess;
struct openssl_qp *qp = queue_pair;
int i, retval;
@@ -1606,7 +1957,12 @@ static void HMAC_CTX_free(HMAC_CTX *ctx)
if (unlikely(sess == NULL))
goto enqueue_err;
- retval = process_op(qp, ops[i], sess);
+ if (ops[i]->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC)
+ retval = process_op(qp, ops[i],
+ (struct openssl_session *) sess);
+ else
+ retval = process_asym_op(qp, ops[i],
+ (struct openssl_asym_session *) sess);
if (unlikely(retval < 0))
goto enqueue_err;
}
@@ -1660,7 +2016,8 @@ static void HMAC_CTX_free(HMAC_CTX *ctx)
dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
RTE_CRYPTODEV_FF_CPU_AESNI |
- RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER;
+ RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER |
+ RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO;
/* Set vector instructions mode supported */
internals = dev->data->dev_private;
diff --git a/drivers/crypto/openssl/rte_openssl_pmd_ops.c
b/drivers/crypto/openssl/rte_openssl_pmd_ops.c
index 1cb87d5..ae8c44d 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd_ops.c
+++ b/drivers/crypto/openssl/rte_openssl_pmd_ops.c
@@ -469,6 +469,110 @@
}, }
}, }
},
+ { /* RSA */
+ .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
+ {.asym = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_RSA,
+ .xfrm_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_type = RTE_CRYPTO_ASYM_XFORM_MODEX,
+ .xfrm_capa = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_MODEX,
+ .op_types = 0,
+ {
+ .modlen = {
+ /* min length is based on openssl rsa keygen */
+ .min = 0,
+ /* value 0 symbolizes no limit on max length */
+ .max = 0,
+ .increment = 1
+ }, }
+ }
+ },
+ }
+ },
+ { /* modinv */
+ .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
+ {.asym = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_MODINV,
+ .xfrm_capa = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_MODINV,
+ .op_types = 0,
+ {
+ .modlen = {
+ /* min length is based on openssl rsa keygen */
+ .min = 0,
+ /* value 0 symbolizes no limit on max length */
+ .max = 0,
+ .increment = 1
+ }, }
+ }
+ },
+ }
+ },
+ { /* dh */
+ .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
+ {.asym = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_DH,
+ .xfrm_capa = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_DH,
+ .op_types =
+ ((1<<RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE) |
+ (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE |
+ (1 <<
+ RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE))),
+ {
+ .modlen = {
+ /* min length is based on openssl rsa keygen */
+ .min = 0,
+ /* value 0 symbolizes no limit on max length */
+ .max = 0,
+ .increment = 1
+ }, }
+ }
+ },
+ }
+ },
+ { /* dsa */
+ .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
+ {.asym = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_DSA,
+ .xfrm_capa = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_DSA,
+ .op_types =
+ ((1<<RTE_CRYPTO_ASYM_OP_SIGN) |
+ (1 << RTE_CRYPTO_ASYM_OP_VERIFY)),
+ {
+ .modlen = {
+ /* min length is based on openssl rsa keygen */
+ .min = 0,
+ /* value 0 symbolizes no limit on max length */
+ .max = 0,
+ .increment = 1
+ }, }
+ }
+ },
+ }
+ },
RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};
@@ -670,13 +774,20 @@
return dev->data->nb_queue_pairs;
}
-/** Returns the size of the session structure */
+/** Returns the size of symmetric session structure */
static unsigned
openssl_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
{
return sizeof(struct openssl_session);
}
+/** Returns the size of the 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_session_configure(struct rte_cryptodev *dev __rte_unused,
@@ -713,6 +824,236 @@
return 0;
}
+static int openssl_set_asym_session_parameters(
+ struct openssl_asym_session *asym_session,
+ struct rte_crypto_asym_xform *xform)
+{
+
+ if ((xform->xform_type != RTE_CRYPTO_ASYM_XFORM_DH) &&
+ (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:
+ {
+ struct rte_crypto_rsa_xform *xfrm = &(xform->rsa);
+ asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_RSA;
+
+ RSA *rsa = RSA_new();
+ if (rsa == NULL)
+ return -1;
+ /* copy xfrm data into rsa struct */
+ rsa->n = BN_bin2bn((const unsigned char *)xfrm->n.data,
+ xfrm->n.length, rsa->n);
+ rsa->e = BN_bin2bn((const unsigned char *)xfrm->e.data,
+ xfrm->e.length, rsa->e);
+ if (xfrm->key_type == RTE_RSA_KEY_TYPE_EXP) {
+ rsa->d = BN_bin2bn((const unsigned char *)xfrm->d.data,
+ xfrm->d.length,
+ rsa->d);
+ } else {
+ rsa->p = BN_bin2bn(
+ (const unsigned char *)xfrm->qt.p.data,
+ xfrm->qt.p.length,
+ rsa->p);
+ rsa->q = BN_bin2bn(
+ (const unsigned char *)xfrm->qt.q.data,
+ xfrm->qt.q.length,
+ rsa->q);
+ rsa->dmp1 = BN_bin2bn(
+ (const unsigned char *)xfrm->qt.dP.data,
+ xfrm->qt.dP.length,
+ rsa->dmp1);
+ rsa->dmq1 = BN_bin2bn(
+ (const unsigned char *)xfrm->qt.dQ.data,
+ xfrm->qt.dQ.length,
+ rsa->dmq1);
+ rsa->iqmp = BN_bin2bn(
+ (const unsigned char *)
+ xfrm->qt.qInv.data,
+ xfrm->qt.qInv.length,
+ rsa->iqmp);
+ }
+ asym_session->u.r.rsa = rsa;
+ break;
+ }
+ case RTE_CRYPTO_ASYM_XFORM_MODEX:
+ {
+ struct rte_crypto_modex_xform *xfrm = &(xform->modex);
+
+ asym_session->xfrm_type = RTE_CRYPTO_ASYM_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;
+ break;
+ }
+ case RTE_CRYPTO_ASYM_XFORM_MODINV:
+ {
+ struct rte_crypto_modinv_xform *xfrm = &(xform->modinv);
+
+ asym_session->xfrm_type = RTE_CRYPTO_ASYM_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;
+ break;
+ }
+ case RTE_CRYPTO_ASYM_XFORM_DH:
+ {
+ asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_DH;
+
+ asym_session->u.dh.dh_key = DH_new();
+ DH *dh = asym_session->u.dh.dh_key;
+ if (dh == NULL) {
+ OPENSSL_LOG_ERR(" failed to allocate resources\n");
+ return -1;
+ }
+
+ dh->p = BN_bin2bn((const unsigned char *)
+ xform->dh.p.data,
+ xform->dh.p.length,
+ dh->p);
+
+ dh->g = BN_bin2bn((const unsigned char *)
+ xform->dh.g.data,
+ xform->dh.g.length,
+ dh->g);
+
+ /* setup xfrom for
+ * public key generate, or
+ * DH Priv key generate, or both
+ * public and private key generate
+ */
+ asym_session->u.dh.key_op = (1 << xform->dh.type);
+
+ if (xform->dh.type == RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE) {
+ /* check if next is pubkey */
+ if ((xform->next != NULL) &&
+ (xform->next->xform_type ==
+ RTE_CRYPTO_ASYM_XFORM_DH) &&
+ (xform->next->dh.type ==
+ RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE)) {
+ /* setup op as pub/priv key pair generation */
+ asym_session->u.dh.key_op |=
+ (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE);
+ }
+ }
+ break;
+ }
+ case RTE_CRYPTO_ASYM_XFORM_DSA:
+ {
+ asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_DSA;
+
+ asym_session->u.s.dsa = DSA_new();
+ DSA *dsa = asym_session->u.s.dsa;
+ if (dsa == NULL) {
+ OPENSSL_LOG_ERR(
+ " failed to allocate resources\n");
+ return -1;
+ }
+
+ dsa->p = BN_bin2bn((const unsigned char *)
+ xform->dsa.p.data,
+ xform->dsa.p.length,
+ dsa->p);
+
+ dsa->g = BN_bin2bn((const unsigned char *)
+ xform->dsa.g.data,
+ xform->dsa.g.length,
+ dsa->g);
+
+ dsa->q = BN_bin2bn((const unsigned char *)
+ xform->dsa.q.data,
+ xform->dsa.q.length,
+ dsa->q);
+
+ dsa->priv_key = BN_bin2bn((const unsigned char *)
+ xform->dsa.x.data,
+ xform->dsa.x.length,
+ dsa->priv_key);
+
+ 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
@@ -732,6 +1073,58 @@
}
}
+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;
+ case RTE_CRYPTO_ASYM_XFORM_DH:
+ if (sess->u.dh.dh_key)
+ DH_free(sess->u.dh.dh_key);
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_DSA:
+ if (sess->u.s.dsa)
+ DSA_free(sess->u.s.dsa);
+ 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,
@@ -750,8 +1143,11 @@ struct rte_cryptodev_ops openssl_pmd_ops = {
.queue_pair_count = openssl_pmd_qp_count,
.session_get_size = openssl_pmd_session_get_size,
+ .asym_session_get_size = openssl_pmd_asym_session_get_size,
.session_configure = openssl_pmd_session_configure,
- .session_clear = openssl_pmd_session_clear
+ .asym_session_configure = openssl_pmd_asym_session_configure,
+ .session_clear = openssl_pmd_session_clear,
+ .asym_session_clear = openssl_pmd_asym_session_clear
};
struct rte_cryptodev_ops *rte_openssl_pmd_ops = &openssl_pmd_ops;
diff --git a/drivers/crypto/openssl/rte_openssl_pmd_private.h
b/drivers/crypto/openssl/rte_openssl_pmd_private.h
index bc8dc7c..ebc9dee 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd_private.h
+++ b/drivers/crypto/openssl/rte_openssl_pmd_private.h
@@ -8,6 +8,10 @@
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/des.h>
+#include <openssl/rsa.h>
+#include <openssl/dh.h>
+#include <openssl/dsa.h>
+
#define CRYPTODEV_NAME_OPENSSL_PMD crypto_openssl
/**< Open SSL Crypto PMD device name */
@@ -157,6 +161,31 @@ struct openssl_session {
} __rte_cache_aligned;
+/** OPENSSL crypto private asymmetric session structure */
+struct openssl_asym_session {
+ enum rte_crypto_asym_xform_type xfrm_type;
+ union {
+ struct rsa {
+ RSA *rsa;
+ } r;
+ struct exp {
+ BIGNUM *exp;
+ BIGNUM *mod;
+ BN_CTX *ctx;
+ } e;
+ struct mod {
+ BIGNUM *modulus;
+ BN_CTX *ctx;
+ } m;
+ struct dh {
+ DH *dh_key;
+ uint32_t key_op;
+ } dh;
+ struct {
+ DSA *dsa;
+ } s;
+ } u;
+} __rte_cache_aligned;
/** Set and validate OPENSSL crypto session parameters */
extern int
openssl_set_session_parameters(struct openssl_session *sess,
--
1.9.1
