/*-
* BSD LICENSE
*
- * Copyright(c) 2016 Intel Corporation. All rights reserved.
+ * Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#include <rte_hexdump.h>
#include <rte_cryptodev.h>
#include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
#include <rte_vdev.h>
#include <rte_malloc.h>
#include <rte_cpuflags.h>
#include "rte_openssl_pmd_private.h"
-static int cryptodev_openssl_remove(const char *name);
+#define DES_BLOCK_SIZE 8
+
+static int cryptodev_openssl_remove(struct rte_vdev_device *vdev);
/*----------------------------------------------------------------------------*/
else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
res = OPENSSL_CHAIN_CIPHER_AUTH;
}
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD)
+ res = OPENSSL_CHAIN_COMBINED;
}
return res;
res = -EINVAL;
}
break;
- case RTE_CRYPTO_CIPHER_AES_GCM:
- switch (keylen) {
- case 16:
- *algo = EVP_aes_128_gcm();
- break;
- case 24:
- *algo = EVP_aes_192_gcm();
- break;
- case 32:
- *algo = EVP_aes_256_gcm();
- break;
- default:
- res = -EINVAL;
- }
- break;
default:
res = -EINVAL;
break;
return res;
}
+/** Get adequate openssl function for input cipher algorithm */
+static uint8_t
+get_aead_algo(enum rte_crypto_aead_algorithm sess_algo, size_t keylen,
+ const EVP_CIPHER **algo)
+{
+ int res = 0;
+
+ if (algo != NULL) {
+ switch (sess_algo) {
+ case RTE_CRYPTO_AEAD_AES_GCM:
+ switch (keylen) {
+ case 16:
+ *algo = EVP_aes_128_gcm();
+ break;
+ case 24:
+ *algo = EVP_aes_192_gcm();
+ break;
+ case 32:
+ *algo = EVP_aes_256_gcm();
+ break;
+ default:
+ res = -EINVAL;
+ }
+ break;
+ default:
+ res = -EINVAL;
+ break;
+ }
+ } else {
+ res = -EINVAL;
+ }
+
+ return res;
+}
+
/** Set session cipher parameters */
static int
openssl_set_session_cipher_parameters(struct openssl_session *sess,
/* Select cipher key */
sess->cipher.key.length = xform->cipher.key.length;
+ /* Set IV parameters */
+ sess->iv.offset = xform->cipher.iv.offset;
+ sess->iv.length = xform->cipher.iv.length;
+
/* Select cipher algo */
switch (xform->cipher.algo) {
case RTE_CRYPTO_CIPHER_3DES_CBC:
case RTE_CRYPTO_CIPHER_AES_CBC:
case RTE_CRYPTO_CIPHER_AES_CTR:
- case RTE_CRYPTO_CIPHER_AES_GCM:
sess->cipher.mode = OPENSSL_CIPHER_LIB;
sess->cipher.algo = xform->cipher.algo;
sess->cipher.ctx = EVP_CIPHER_CTX_new();
sess->cipher.key.data) != 0)
return -EINVAL;
break;
+ case RTE_CRYPTO_CIPHER_DES_DOCSISBPI:
+ sess->cipher.algo = xform->cipher.algo;
+ sess->chain_order = OPENSSL_CHAIN_CIPHER_BPI;
+ sess->cipher.ctx = EVP_CIPHER_CTX_new();
+ sess->cipher.evp_algo = EVP_des_cbc();
+
+ sess->cipher.bpi_ctx = EVP_CIPHER_CTX_new();
+ /* IV will be ECB encrypted whether direction is encrypt or decrypt */
+ if (EVP_EncryptInit_ex(sess->cipher.bpi_ctx, EVP_des_ecb(),
+ NULL, xform->cipher.key.data, 0) != 1)
+ return -EINVAL;
+ get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
+ sess->cipher.key.data);
+ break;
default:
sess->cipher.algo = RTE_CRYPTO_CIPHER_NULL;
return -EINVAL;
/* Select auth algo */
switch (xform->auth.algo) {
case RTE_CRYPTO_AUTH_AES_GMAC:
- case RTE_CRYPTO_AUTH_AES_GCM:
- /* Check additional condition for AES_GMAC/GCM */
- if (sess->cipher.algo != RTE_CRYPTO_CIPHER_AES_GCM)
- return -EINVAL;
sess->chain_order = OPENSSL_CHAIN_COMBINED;
+
+ /* Set IV parameters */
+ sess->iv.offset = xform->auth.iv.offset;
+ sess->iv.length = xform->auth.iv.length;
+
+ /*
+ * OpenSSL requires GMAC to be a GCM operation
+ * with no cipher data length
+ */
+ sess->cipher.mode = OPENSSL_CIPHER_LIB;
+ if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_GENERATE)
+ sess->cipher.direction = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
+ else
+ sess->cipher.direction = RTE_CRYPTO_CIPHER_OP_DECRYPT;
+
+ sess->cipher.key.length = xform->auth.key.length;
+ sess->cipher.ctx = EVP_CIPHER_CTX_new();
+
+ if (get_aead_algo(RTE_CRYPTO_AEAD_AES_GCM,
+ sess->cipher.key.length,
+ &sess->cipher.evp_algo) != 0)
+ return -EINVAL;
+
+ get_cipher_key(xform->auth.key.data, xform->auth.key.length,
+ sess->cipher.key.data);
+
break;
case RTE_CRYPTO_AUTH_MD5:
return -EINVAL;
}
+ sess->auth.aad_length = xform->auth.add_auth_data_length;
+ sess->auth.digest_length = xform->auth.digest_length;
+
+ return 0;
+}
+
+/* Set session AEAD parameters */
+static int
+openssl_set_session_aead_parameters(struct openssl_session *sess,
+ const struct rte_crypto_sym_xform *xform)
+{
+ /* Select cipher direction */
+ sess->cipher.direction = xform->cipher.op;
+ /* Select cipher key */
+ sess->cipher.key.length = xform->aead.key.length;
+
+ /* Set IV parameters */
+ sess->iv.offset = xform->aead.iv.offset;
+ sess->iv.length = xform->aead.iv.length;
+
+ /* Select auth generate/verify */
+ sess->auth.operation = xform->auth.op;
+ sess->auth.algo = xform->auth.algo;
+
+ /* Select auth algo */
+ switch (xform->aead.algo) {
+ case RTE_CRYPTO_AEAD_AES_GCM:
+ sess->cipher.mode = OPENSSL_CIPHER_LIB;
+ sess->aead_algo = xform->aead.algo;
+ sess->cipher.ctx = EVP_CIPHER_CTX_new();
+
+ if (get_aead_algo(sess->aead_algo, sess->cipher.key.length,
+ &sess->cipher.evp_algo) != 0)
+ return -EINVAL;
+
+ get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
+ sess->cipher.key.data);
+
+ sess->chain_order = OPENSSL_CHAIN_COMBINED;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ sess->auth.aad_length = xform->aead.add_auth_data_length;
+ sess->auth.digest_length = xform->aead.digest_length;
+
return 0;
}
{
const struct rte_crypto_sym_xform *cipher_xform = NULL;
const struct rte_crypto_sym_xform *auth_xform = NULL;
+ const struct rte_crypto_sym_xform *aead_xform = NULL;
sess->chain_order = openssl_get_chain_order(xform);
switch (sess->chain_order) {
auth_xform = xform;
cipher_xform = xform->next;
break;
+ case OPENSSL_CHAIN_COMBINED:
+ aead_xform = xform;
+ break;
default:
return -EINVAL;
}
+ /* Default IV length = 0 */
+ sess->iv.length = 0;
+
/* cipher_xform must be check before auth_xform */
if (cipher_xform) {
if (openssl_set_session_cipher_parameters(
}
}
+ if (aead_xform) {
+ if (openssl_set_session_aead_parameters(sess, aead_xform)) {
+ OPENSSL_LOG_ERR(
+ "Invalid/unsupported auth parameters");
+ return -EINVAL;
+ }
+ }
+
return 0;
}
{
EVP_CIPHER_CTX_free(sess->cipher.ctx);
+ if (sess->chain_order == OPENSSL_CHAIN_CIPHER_BPI)
+ EVP_CIPHER_CTX_free(sess->cipher.bpi_ctx);
+
switch (sess->auth.mode) {
case OPENSSL_AUTH_AS_AUTH:
EVP_MD_CTX_destroy(sess->auth.auth.ctx);
{
struct openssl_session *sess = NULL;
- if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
/* get existing session */
if (likely(op->sym->session != NULL &&
op->sym->session->dev_type ==
return -EINVAL;
}
+/** Process standard openssl cipher encryption */
+static int
+process_openssl_cipher_bpi_encrypt(uint8_t *src, uint8_t *dst,
+ uint8_t *iv, int srclen,
+ EVP_CIPHER_CTX *ctx)
+{
+ uint8_t i;
+ uint8_t encrypted_iv[DES_BLOCK_SIZE];
+ int encrypted_ivlen;
+
+ if (EVP_EncryptUpdate(ctx, encrypted_iv, &encrypted_ivlen,
+ iv, DES_BLOCK_SIZE) <= 0)
+ goto process_cipher_encrypt_err;
+
+ for (i = 0; i < srclen; i++)
+ *(dst + i) = *(src + i) ^ (encrypted_iv[i]);
+
+ return 0;
+
+process_cipher_encrypt_err:
+ OPENSSL_LOG_ERR("Process openssl cipher bpi encrypt failed");
+ return -EINVAL;
+}
/** Process standard openssl cipher decryption */
static int
process_openssl_cipher_decrypt(struct rte_mbuf *mbuf_src, uint8_t *dst,
/* cipher */
uint8_t *dst = NULL, *iv, *tag, *aad;
int srclen, ivlen, aadlen, status = -1;
+ uint32_t offset;
/*
* Segmented destination buffer is not supported for
return;
}
- iv = op->sym->cipher.iv.data;
- ivlen = op->sym->cipher.iv.length;
- aad = op->sym->auth.aad.data;
- aadlen = op->sym->auth.aad.length;
-
- tag = op->sym->auth.digest.data;
- if (tag == NULL)
- tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
- op->sym->cipher.data.offset +
- op->sym->cipher.data.length);
-
- if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
+ iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+ sess->iv.offset);
+ ivlen = sess->iv.length;
+ if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
srclen = 0;
- else {
- srclen = op->sym->cipher.data.length;
+ offset = op->sym->auth.data.offset;
+ aadlen = op->sym->auth.data.length;
+ aad = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
+ op->sym->auth.data.offset);
+ tag = op->sym->auth.digest.data;
+ if (tag == NULL)
+ tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
+ offset + aadlen);
+ } else {
+ srclen = op->sym->aead.data.length;
dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
- op->sym->cipher.data.offset);
+ op->sym->aead.data.offset);
+ offset = op->sym->aead.data.offset;
+ aad = op->sym->aead.aad.data;
+ aadlen = sess->auth.aad_length;
+ tag = op->sym->aead.digest.data;
+ if (tag == NULL)
+ tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
+ offset + srclen);
}
if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
status = process_openssl_auth_encryption_gcm(
- mbuf_src, op->sym->cipher.data.offset, srclen,
+ mbuf_src, offset, srclen,
aad, aadlen, iv, ivlen, sess->cipher.key.data,
dst, tag, sess->cipher.ctx,
sess->cipher.evp_algo);
else
status = process_openssl_auth_decryption_gcm(
- mbuf_src, op->sym->cipher.data.offset, srclen,
+ mbuf_src, offset, srclen,
aad, aadlen, iv, ivlen, sess->cipher.key.data,
dst, tag, sess->cipher.ctx,
sess->cipher.evp_algo);
dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
op->sym->cipher.data.offset);
- iv = op->sym->cipher.iv.data;
+ iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+ sess->iv.offset);
if (sess->cipher.mode == OPENSSL_CIPHER_LIB)
if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
}
+/** Process cipher operation */
+static void
+process_openssl_docsis_bpi_op(struct rte_crypto_op *op,
+ struct openssl_session *sess, struct rte_mbuf *mbuf_src,
+ struct rte_mbuf *mbuf_dst)
+{
+ uint8_t *src, *dst, *iv;
+ uint8_t block_size, last_block_len;
+ int srclen, status = 0;
+
+ srclen = op->sym->cipher.data.length;
+ src = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
+ op->sym->cipher.data.offset);
+ dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
+ op->sym->cipher.data.offset);
+
+ iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+ sess->iv.offset);
+
+ block_size = DES_BLOCK_SIZE;
+
+ last_block_len = srclen % block_size;
+ if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
+ /* Encrypt only with ECB mode XOR IV */
+ if (srclen < block_size) {
+ status = process_openssl_cipher_bpi_encrypt(src, dst,
+ iv, srclen,
+ sess->cipher.bpi_ctx);
+ } else {
+ srclen -= last_block_len;
+ /* Encrypt with the block aligned stream with CBC mode */
+ status = process_openssl_cipher_encrypt(mbuf_src, dst,
+ op->sym->cipher.data.offset, iv,
+ sess->cipher.key.data, srclen,
+ sess->cipher.ctx, sess->cipher.evp_algo);
+ if (last_block_len) {
+ /* Point at last block */
+ dst += srclen;
+ /*
+ * IV is the last encrypted block from
+ * the previous operation
+ */
+ iv = dst - block_size;
+ src += srclen;
+ srclen = last_block_len;
+ /* Encrypt the last frame with ECB mode */
+ status |= process_openssl_cipher_bpi_encrypt(src,
+ dst, iv,
+ srclen, sess->cipher.bpi_ctx);
+ }
+ }
+ } else {
+ /* Decrypt only with ECB mode (encrypt, as it is same operation) */
+ if (srclen < block_size) {
+ status = process_openssl_cipher_bpi_encrypt(src, dst,
+ iv,
+ srclen,
+ sess->cipher.bpi_ctx);
+ } else {
+ if (last_block_len) {
+ /* Point at last block */
+ dst += srclen - last_block_len;
+ src += srclen - last_block_len;
+ /*
+ * IV is the last full block
+ */
+ iv = src - block_size;
+ /*
+ * Decrypt the last frame with ECB mode
+ * (encrypt, as it is the same operation)
+ */
+ status = process_openssl_cipher_bpi_encrypt(src,
+ dst, iv,
+ last_block_len, sess->cipher.bpi_ctx);
+ /* Prepare parameters for CBC mode op */
+ iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+ sess->iv.offset);
+ dst += last_block_len - srclen;
+ srclen -= last_block_len;
+ }
+
+ /* Decrypt with CBC mode */
+ status |= process_openssl_cipher_decrypt(mbuf_src, dst,
+ op->sym->cipher.data.offset, iv,
+ sess->cipher.key.data, srclen,
+ sess->cipher.ctx,
+ sess->cipher.evp_algo);
+ }
+ }
+
+ if (status != 0)
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+}
+
/** Process auth operation */
static void
process_openssl_auth_op
if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY)
dst = (uint8_t *)rte_pktmbuf_append(mbuf_src,
- op->sym->auth.digest.length);
+ sess->auth.digest_length);
else {
dst = op->sym->auth.digest.data;
if (dst == NULL)
if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
if (memcmp(dst, op->sym->auth.digest.data,
- op->sym->auth.digest.length) != 0) {
+ sess->auth.digest_length) != 0) {
op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
}
/* Trim area used for digest from mbuf. */
- rte_pktmbuf_trim(mbuf_src, op->sym->auth.digest.length);
+ rte_pktmbuf_trim(mbuf_src, sess->auth.digest_length);
}
if (status != 0)
case OPENSSL_CHAIN_COMBINED:
process_openssl_combined_op(op, sess, msrc, mdst);
break;
+ case OPENSSL_CHAIN_CIPHER_BPI:
+ process_openssl_docsis_bpi_op(op, sess, msrc, mdst);
+ break;
default:
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
break;
}
/* Free session if a session-less crypto op */
- if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
+ if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
openssl_reset_session(sess);
memset(sess, 0, sizeof(struct openssl_session));
rte_mempool_put(qp->sess_mp, op->sym->session);
/** Create OPENSSL crypto device */
static int
-cryptodev_openssl_create(struct rte_crypto_vdev_init_params *init_params)
+cryptodev_openssl_create(const char *name,
+ struct rte_vdev_device *vdev,
+ struct rte_crypto_vdev_init_params *init_params)
{
struct rte_cryptodev *dev;
struct openssl_private *internals;
- if (init_params->name[0] == '\0') {
- int ret = rte_cryptodev_pmd_create_dev_name(
- init_params->name,
- RTE_STR(CRYPTODEV_NAME_OPENSSL_PMD));
-
- if (ret < 0) {
- OPENSSL_LOG_ERR("failed to create unique name");
- return ret;
- }
- }
+ if (init_params->name[0] == '\0')
+ snprintf(init_params->name, sizeof(init_params->name),
+ "%s", name);
- dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name,
+ dev = rte_cryptodev_vdev_pmd_init(init_params->name,
sizeof(struct openssl_private),
- init_params->socket_id);
+ init_params->socket_id,
+ vdev);
if (dev == NULL) {
OPENSSL_LOG_ERR("failed to create cryptodev vdev");
goto init_error;
OPENSSL_LOG_ERR("driver %s: cryptodev_openssl_create failed",
init_params->name);
- cryptodev_openssl_remove(init_params->name);
+ cryptodev_openssl_remove(vdev);
return -EFAULT;
}
/** Initialise OPENSSL crypto device */
static int
-cryptodev_openssl_probe(const char *name,
- const char *input_args)
+cryptodev_openssl_probe(struct rte_vdev_device *vdev)
{
struct rte_crypto_vdev_init_params init_params = {
RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
rte_socket_id(),
{0}
};
+ const char *name;
+ const char *input_args;
- rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+ input_args = rte_vdev_device_args(vdev);
+
+ rte_cryptodev_vdev_parse_init_params(&init_params, input_args);
RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
init_params.socket_id);
RTE_LOG(INFO, PMD, " Max number of sessions = %d\n",
init_params.max_nb_sessions);
- return cryptodev_openssl_create(&init_params);
+ return cryptodev_openssl_create(name, vdev, &init_params);
}
/** Uninitialise OPENSSL crypto device */
static int
-cryptodev_openssl_remove(const char *name)
+cryptodev_openssl_remove(struct rte_vdev_device *vdev)
{
+ const char *name;
+
+ name = rte_vdev_device_name(vdev);
if (name == NULL)
return -EINVAL;
git.droids-corp.org / dpdk.git / blobdiff