012c5076d4
The PMD specific API to configure, clear and obtain session private size is renamed, including the word _sym_ to clarify that it is API for symmetric sessions, so there will not be any conflicts for asymmetric and other type of sessions in the future. Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com> Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
1743 lines
43 KiB
C
1743 lines
43 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2016-2017 Intel Corporation
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*/
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#include <rte_common.h>
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#include <rte_hexdump.h>
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#include <rte_cryptodev.h>
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#include <rte_cryptodev_pmd.h>
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#include <rte_bus_vdev.h>
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#include <rte_malloc.h>
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#include <rte_cpuflags.h>
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#include <openssl/hmac.h>
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#include <openssl/evp.h>
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#include "rte_openssl_pmd_private.h"
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#define DES_BLOCK_SIZE 8
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static uint8_t cryptodev_driver_id;
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#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
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static HMAC_CTX *HMAC_CTX_new(void)
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{
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HMAC_CTX *ctx = OPENSSL_malloc(sizeof(*ctx));
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if (ctx != NULL)
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HMAC_CTX_init(ctx);
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return ctx;
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}
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static void HMAC_CTX_free(HMAC_CTX *ctx)
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{
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if (ctx != NULL) {
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HMAC_CTX_cleanup(ctx);
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OPENSSL_free(ctx);
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}
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}
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#endif
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static int cryptodev_openssl_remove(struct rte_vdev_device *vdev);
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/*----------------------------------------------------------------------------*/
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/**
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* Increment counter by 1
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* Counter is 64 bit array, big-endian
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*/
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static void
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ctr_inc(uint8_t *ctr)
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{
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uint64_t *ctr64 = (uint64_t *)ctr;
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*ctr64 = __builtin_bswap64(*ctr64);
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(*ctr64)++;
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*ctr64 = __builtin_bswap64(*ctr64);
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}
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/*
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*------------------------------------------------------------------------------
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* Session Prepare
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*------------------------------------------------------------------------------
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*/
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/** Get xform chain order */
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static enum openssl_chain_order
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openssl_get_chain_order(const struct rte_crypto_sym_xform *xform)
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{
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enum openssl_chain_order res = OPENSSL_CHAIN_NOT_SUPPORTED;
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if (xform != NULL) {
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if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
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if (xform->next == NULL)
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res = OPENSSL_CHAIN_ONLY_AUTH;
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else if (xform->next->type ==
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RTE_CRYPTO_SYM_XFORM_CIPHER)
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res = OPENSSL_CHAIN_AUTH_CIPHER;
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}
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if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
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if (xform->next == NULL)
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res = OPENSSL_CHAIN_ONLY_CIPHER;
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else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
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res = OPENSSL_CHAIN_CIPHER_AUTH;
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}
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if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD)
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res = OPENSSL_CHAIN_COMBINED;
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}
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return res;
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}
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/** Get session cipher key from input cipher key */
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static void
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get_cipher_key(uint8_t *input_key, int keylen, uint8_t *session_key)
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{
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memcpy(session_key, input_key, keylen);
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}
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/** Get key ede 24 bytes standard from input key */
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static int
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get_cipher_key_ede(uint8_t *key, int keylen, uint8_t *key_ede)
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{
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int res = 0;
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/* Initialize keys - 24 bytes: [key1-key2-key3] */
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switch (keylen) {
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case 24:
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memcpy(key_ede, key, 24);
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break;
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case 16:
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/* K3 = K1 */
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memcpy(key_ede, key, 16);
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memcpy(key_ede + 16, key, 8);
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break;
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case 8:
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/* K1 = K2 = K3 (DES compatibility) */
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memcpy(key_ede, key, 8);
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memcpy(key_ede + 8, key, 8);
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memcpy(key_ede + 16, key, 8);
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break;
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default:
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OPENSSL_LOG(ERR, "Unsupported key size");
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res = -EINVAL;
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}
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return res;
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}
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/** Get adequate openssl function for input cipher algorithm */
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static uint8_t
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get_cipher_algo(enum rte_crypto_cipher_algorithm sess_algo, size_t keylen,
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const EVP_CIPHER **algo)
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{
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int res = 0;
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if (algo != NULL) {
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switch (sess_algo) {
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case RTE_CRYPTO_CIPHER_3DES_CBC:
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switch (keylen) {
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case 16:
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*algo = EVP_des_ede_cbc();
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break;
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case 24:
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*algo = EVP_des_ede3_cbc();
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break;
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default:
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res = -EINVAL;
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}
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break;
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case RTE_CRYPTO_CIPHER_3DES_CTR:
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break;
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case RTE_CRYPTO_CIPHER_AES_CBC:
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switch (keylen) {
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case 16:
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*algo = EVP_aes_128_cbc();
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break;
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case 24:
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*algo = EVP_aes_192_cbc();
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break;
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case 32:
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*algo = EVP_aes_256_cbc();
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break;
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default:
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res = -EINVAL;
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}
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break;
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case RTE_CRYPTO_CIPHER_AES_CTR:
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switch (keylen) {
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case 16:
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*algo = EVP_aes_128_ctr();
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break;
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case 24:
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*algo = EVP_aes_192_ctr();
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break;
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case 32:
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*algo = EVP_aes_256_ctr();
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break;
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default:
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res = -EINVAL;
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}
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break;
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default:
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res = -EINVAL;
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break;
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}
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} else {
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res = -EINVAL;
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}
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return res;
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}
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/** Get adequate openssl function for input auth algorithm */
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static uint8_t
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get_auth_algo(enum rte_crypto_auth_algorithm sessalgo,
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const EVP_MD **algo)
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{
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int res = 0;
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if (algo != NULL) {
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switch (sessalgo) {
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case RTE_CRYPTO_AUTH_MD5:
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case RTE_CRYPTO_AUTH_MD5_HMAC:
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*algo = EVP_md5();
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break;
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case RTE_CRYPTO_AUTH_SHA1:
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case RTE_CRYPTO_AUTH_SHA1_HMAC:
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*algo = EVP_sha1();
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break;
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case RTE_CRYPTO_AUTH_SHA224:
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case RTE_CRYPTO_AUTH_SHA224_HMAC:
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*algo = EVP_sha224();
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break;
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case RTE_CRYPTO_AUTH_SHA256:
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case RTE_CRYPTO_AUTH_SHA256_HMAC:
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*algo = EVP_sha256();
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break;
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case RTE_CRYPTO_AUTH_SHA384:
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case RTE_CRYPTO_AUTH_SHA384_HMAC:
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*algo = EVP_sha384();
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break;
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case RTE_CRYPTO_AUTH_SHA512:
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case RTE_CRYPTO_AUTH_SHA512_HMAC:
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*algo = EVP_sha512();
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break;
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default:
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res = -EINVAL;
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break;
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}
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} else {
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res = -EINVAL;
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}
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return res;
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}
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/** Get adequate openssl function for input cipher algorithm */
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static uint8_t
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get_aead_algo(enum rte_crypto_aead_algorithm sess_algo, size_t keylen,
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const EVP_CIPHER **algo)
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{
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int res = 0;
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if (algo != NULL) {
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switch (sess_algo) {
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case RTE_CRYPTO_AEAD_AES_GCM:
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switch (keylen) {
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case 16:
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*algo = EVP_aes_128_gcm();
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break;
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case 24:
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*algo = EVP_aes_192_gcm();
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break;
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case 32:
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*algo = EVP_aes_256_gcm();
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break;
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default:
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res = -EINVAL;
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}
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break;
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case RTE_CRYPTO_AEAD_AES_CCM:
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switch (keylen) {
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case 16:
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*algo = EVP_aes_128_ccm();
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break;
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case 24:
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*algo = EVP_aes_192_ccm();
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break;
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case 32:
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*algo = EVP_aes_256_ccm();
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break;
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default:
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res = -EINVAL;
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}
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break;
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default:
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res = -EINVAL;
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break;
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}
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} else {
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res = -EINVAL;
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}
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return res;
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}
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/* Set session AEAD encryption parameters */
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static int
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openssl_set_sess_aead_enc_param(struct openssl_session *sess,
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enum rte_crypto_aead_algorithm algo,
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uint8_t tag_len, uint8_t *key)
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{
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int iv_type = 0;
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unsigned int do_ccm;
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sess->cipher.direction = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
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sess->auth.operation = RTE_CRYPTO_AUTH_OP_GENERATE;
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/* Select AEAD algo */
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switch (algo) {
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case RTE_CRYPTO_AEAD_AES_GCM:
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iv_type = EVP_CTRL_GCM_SET_IVLEN;
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if (tag_len != 16)
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return -EINVAL;
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do_ccm = 0;
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break;
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case RTE_CRYPTO_AEAD_AES_CCM:
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iv_type = EVP_CTRL_CCM_SET_IVLEN;
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/* Digest size can be 4, 6, 8, 10, 12, 14 or 16 bytes */
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if (tag_len < 4 || tag_len > 16 || (tag_len & 1) == 1)
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return -EINVAL;
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do_ccm = 1;
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break;
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default:
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return -ENOTSUP;
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}
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sess->cipher.mode = OPENSSL_CIPHER_LIB;
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sess->cipher.ctx = EVP_CIPHER_CTX_new();
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if (get_aead_algo(algo, sess->cipher.key.length,
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&sess->cipher.evp_algo) != 0)
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return -EINVAL;
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get_cipher_key(key, sess->cipher.key.length, sess->cipher.key.data);
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sess->chain_order = OPENSSL_CHAIN_COMBINED;
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if (EVP_EncryptInit_ex(sess->cipher.ctx, sess->cipher.evp_algo,
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NULL, NULL, NULL) <= 0)
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return -EINVAL;
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if (EVP_CIPHER_CTX_ctrl(sess->cipher.ctx, iv_type, sess->iv.length,
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NULL) <= 0)
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return -EINVAL;
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if (do_ccm)
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EVP_CIPHER_CTX_ctrl(sess->cipher.ctx, EVP_CTRL_CCM_SET_TAG,
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tag_len, NULL);
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if (EVP_EncryptInit_ex(sess->cipher.ctx, NULL, NULL, key, NULL) <= 0)
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return -EINVAL;
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return 0;
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}
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/* Set session AEAD decryption parameters */
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static int
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openssl_set_sess_aead_dec_param(struct openssl_session *sess,
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enum rte_crypto_aead_algorithm algo,
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uint8_t tag_len, uint8_t *key)
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{
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int iv_type = 0;
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unsigned int do_ccm = 0;
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sess->cipher.direction = RTE_CRYPTO_CIPHER_OP_DECRYPT;
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sess->auth.operation = RTE_CRYPTO_AUTH_OP_VERIFY;
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/* Select AEAD algo */
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switch (algo) {
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case RTE_CRYPTO_AEAD_AES_GCM:
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iv_type = EVP_CTRL_GCM_SET_IVLEN;
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if (tag_len != 16)
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return -EINVAL;
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break;
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case RTE_CRYPTO_AEAD_AES_CCM:
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iv_type = EVP_CTRL_CCM_SET_IVLEN;
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/* Digest size can be 4, 6, 8, 10, 12, 14 or 16 bytes */
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if (tag_len < 4 || tag_len > 16 || (tag_len & 1) == 1)
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return -EINVAL;
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do_ccm = 1;
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break;
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default:
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return -ENOTSUP;
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}
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sess->cipher.mode = OPENSSL_CIPHER_LIB;
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sess->cipher.ctx = EVP_CIPHER_CTX_new();
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if (get_aead_algo(algo, sess->cipher.key.length,
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&sess->cipher.evp_algo) != 0)
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return -EINVAL;
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get_cipher_key(key, sess->cipher.key.length, sess->cipher.key.data);
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sess->chain_order = OPENSSL_CHAIN_COMBINED;
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if (EVP_DecryptInit_ex(sess->cipher.ctx, sess->cipher.evp_algo,
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NULL, NULL, NULL) <= 0)
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return -EINVAL;
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if (EVP_CIPHER_CTX_ctrl(sess->cipher.ctx, iv_type,
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sess->iv.length, NULL) <= 0)
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return -EINVAL;
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if (do_ccm)
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EVP_CIPHER_CTX_ctrl(sess->cipher.ctx, EVP_CTRL_CCM_SET_TAG,
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tag_len, NULL);
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if (EVP_DecryptInit_ex(sess->cipher.ctx, NULL, NULL, key, NULL) <= 0)
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return -EINVAL;
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return 0;
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}
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/** Set session cipher parameters */
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static int
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openssl_set_session_cipher_parameters(struct openssl_session *sess,
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const struct rte_crypto_sym_xform *xform)
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{
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/* Select cipher direction */
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sess->cipher.direction = xform->cipher.op;
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/* Select cipher key */
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sess->cipher.key.length = xform->cipher.key.length;
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/* Set IV parameters */
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sess->iv.offset = xform->cipher.iv.offset;
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sess->iv.length = xform->cipher.iv.length;
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/* Select cipher algo */
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switch (xform->cipher.algo) {
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case RTE_CRYPTO_CIPHER_3DES_CBC:
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case RTE_CRYPTO_CIPHER_AES_CBC:
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case RTE_CRYPTO_CIPHER_AES_CTR:
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sess->cipher.mode = OPENSSL_CIPHER_LIB;
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sess->cipher.algo = xform->cipher.algo;
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sess->cipher.ctx = EVP_CIPHER_CTX_new();
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if (get_cipher_algo(sess->cipher.algo, sess->cipher.key.length,
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&sess->cipher.evp_algo) != 0)
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return -EINVAL;
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get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
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sess->cipher.key.data);
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if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
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if (EVP_EncryptInit_ex(sess->cipher.ctx,
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sess->cipher.evp_algo,
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NULL, xform->cipher.key.data,
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NULL) != 1) {
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return -EINVAL;
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}
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} else if (sess->cipher.direction ==
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RTE_CRYPTO_CIPHER_OP_DECRYPT) {
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if (EVP_DecryptInit_ex(sess->cipher.ctx,
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sess->cipher.evp_algo,
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NULL, xform->cipher.key.data,
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NULL) != 1) {
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return -EINVAL;
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}
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}
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break;
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case RTE_CRYPTO_CIPHER_3DES_CTR:
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sess->cipher.mode = OPENSSL_CIPHER_DES3CTR;
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sess->cipher.ctx = EVP_CIPHER_CTX_new();
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if (get_cipher_key_ede(xform->cipher.key.data,
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sess->cipher.key.length,
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sess->cipher.key.data) != 0)
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return -EINVAL;
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break;
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case RTE_CRYPTO_CIPHER_DES_CBC:
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sess->cipher.algo = xform->cipher.algo;
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sess->cipher.ctx = EVP_CIPHER_CTX_new();
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sess->cipher.evp_algo = EVP_des_cbc();
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get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
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sess->cipher.key.data);
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if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
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if (EVP_EncryptInit_ex(sess->cipher.ctx,
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sess->cipher.evp_algo,
|
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NULL, xform->cipher.key.data,
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NULL) != 1) {
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return -EINVAL;
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}
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} else if (sess->cipher.direction ==
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RTE_CRYPTO_CIPHER_OP_DECRYPT) {
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if (EVP_DecryptInit_ex(sess->cipher.ctx,
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sess->cipher.evp_algo,
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NULL, xform->cipher.key.data,
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NULL) != 1) {
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return -EINVAL;
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}
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}
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break;
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case RTE_CRYPTO_CIPHER_DES_DOCSISBPI:
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sess->cipher.algo = xform->cipher.algo;
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sess->chain_order = OPENSSL_CHAIN_CIPHER_BPI;
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sess->cipher.ctx = EVP_CIPHER_CTX_new();
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sess->cipher.evp_algo = EVP_des_cbc();
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sess->cipher.bpi_ctx = EVP_CIPHER_CTX_new();
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/* IV will be ECB encrypted whether direction is encrypt or decrypt */
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if (EVP_EncryptInit_ex(sess->cipher.bpi_ctx, EVP_des_ecb(),
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NULL, xform->cipher.key.data, 0) != 1)
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return -EINVAL;
|
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|
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get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
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sess->cipher.key.data);
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if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
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if (EVP_EncryptInit_ex(sess->cipher.ctx,
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sess->cipher.evp_algo,
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NULL, xform->cipher.key.data,
|
|
NULL) != 1) {
|
|
return -EINVAL;
|
|
}
|
|
} else if (sess->cipher.direction ==
|
|
RTE_CRYPTO_CIPHER_OP_DECRYPT) {
|
|
if (EVP_DecryptInit_ex(sess->cipher.ctx,
|
|
sess->cipher.evp_algo,
|
|
NULL, xform->cipher.key.data,
|
|
NULL) != 1) {
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
break;
|
|
default:
|
|
sess->cipher.algo = RTE_CRYPTO_CIPHER_NULL;
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Set session auth parameters */
|
|
static int
|
|
openssl_set_session_auth_parameters(struct openssl_session *sess,
|
|
const struct rte_crypto_sym_xform *xform)
|
|
{
|
|
/* Select auth generate/verify */
|
|
sess->auth.operation = xform->auth.op;
|
|
sess->auth.algo = xform->auth.algo;
|
|
|
|
sess->auth.digest_length = xform->auth.digest_length;
|
|
|
|
/* Select auth algo */
|
|
switch (xform->auth.algo) {
|
|
case RTE_CRYPTO_AUTH_AES_GMAC:
|
|
/*
|
|
* OpenSSL requires GMAC to be a GCM operation
|
|
* with no cipher data length
|
|
*/
|
|
sess->cipher.key.length = xform->auth.key.length;
|
|
|
|
/* Set IV parameters */
|
|
sess->iv.offset = xform->auth.iv.offset;
|
|
sess->iv.length = xform->auth.iv.length;
|
|
|
|
if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_GENERATE)
|
|
return openssl_set_sess_aead_enc_param(sess,
|
|
RTE_CRYPTO_AEAD_AES_GCM,
|
|
xform->auth.digest_length,
|
|
xform->auth.key.data);
|
|
else
|
|
return openssl_set_sess_aead_dec_param(sess,
|
|
RTE_CRYPTO_AEAD_AES_GCM,
|
|
xform->auth.digest_length,
|
|
xform->auth.key.data);
|
|
break;
|
|
|
|
case RTE_CRYPTO_AUTH_MD5:
|
|
case RTE_CRYPTO_AUTH_SHA1:
|
|
case RTE_CRYPTO_AUTH_SHA224:
|
|
case RTE_CRYPTO_AUTH_SHA256:
|
|
case RTE_CRYPTO_AUTH_SHA384:
|
|
case RTE_CRYPTO_AUTH_SHA512:
|
|
sess->auth.mode = OPENSSL_AUTH_AS_AUTH;
|
|
if (get_auth_algo(xform->auth.algo,
|
|
&sess->auth.auth.evp_algo) != 0)
|
|
return -EINVAL;
|
|
sess->auth.auth.ctx = EVP_MD_CTX_create();
|
|
break;
|
|
|
|
case RTE_CRYPTO_AUTH_MD5_HMAC:
|
|
case RTE_CRYPTO_AUTH_SHA1_HMAC:
|
|
case RTE_CRYPTO_AUTH_SHA224_HMAC:
|
|
case RTE_CRYPTO_AUTH_SHA256_HMAC:
|
|
case RTE_CRYPTO_AUTH_SHA384_HMAC:
|
|
case RTE_CRYPTO_AUTH_SHA512_HMAC:
|
|
sess->auth.mode = OPENSSL_AUTH_AS_HMAC;
|
|
sess->auth.hmac.ctx = HMAC_CTX_new();
|
|
if (get_auth_algo(xform->auth.algo,
|
|
&sess->auth.hmac.evp_algo) != 0)
|
|
return -EINVAL;
|
|
|
|
if (HMAC_Init_ex(sess->auth.hmac.ctx,
|
|
xform->auth.key.data,
|
|
xform->auth.key.length,
|
|
sess->auth.hmac.evp_algo, NULL) != 1)
|
|
return -EINVAL;
|
|
break;
|
|
|
|
default:
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
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 key */
|
|
sess->cipher.key.length = xform->aead.key.length;
|
|
|
|
/* Set IV parameters */
|
|
if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM)
|
|
/*
|
|
* For AES-CCM, the actual IV is placed
|
|
* one byte after the start of the IV field,
|
|
* according to the API.
|
|
*/
|
|
sess->iv.offset = xform->aead.iv.offset + 1;
|
|
else
|
|
sess->iv.offset = xform->aead.iv.offset;
|
|
|
|
sess->iv.length = xform->aead.iv.length;
|
|
|
|
sess->auth.aad_length = xform->aead.aad_length;
|
|
sess->auth.digest_length = xform->aead.digest_length;
|
|
|
|
sess->aead_algo = xform->aead.algo;
|
|
/* Select cipher direction */
|
|
if (xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
|
|
return openssl_set_sess_aead_enc_param(sess, xform->aead.algo,
|
|
xform->aead.digest_length, xform->aead.key.data);
|
|
else
|
|
return openssl_set_sess_aead_dec_param(sess, xform->aead.algo,
|
|
xform->aead.digest_length, xform->aead.key.data);
|
|
}
|
|
|
|
/** Parse crypto xform chain and set private session parameters */
|
|
int
|
|
openssl_set_session_parameters(struct openssl_session *sess,
|
|
const struct rte_crypto_sym_xform *xform)
|
|
{
|
|
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;
|
|
int ret;
|
|
|
|
sess->chain_order = openssl_get_chain_order(xform);
|
|
switch (sess->chain_order) {
|
|
case OPENSSL_CHAIN_ONLY_CIPHER:
|
|
cipher_xform = xform;
|
|
break;
|
|
case OPENSSL_CHAIN_ONLY_AUTH:
|
|
auth_xform = xform;
|
|
break;
|
|
case OPENSSL_CHAIN_CIPHER_AUTH:
|
|
cipher_xform = xform;
|
|
auth_xform = xform->next;
|
|
break;
|
|
case OPENSSL_CHAIN_AUTH_CIPHER:
|
|
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) {
|
|
ret = openssl_set_session_cipher_parameters(
|
|
sess, cipher_xform);
|
|
if (ret != 0) {
|
|
OPENSSL_LOG(ERR,
|
|
"Invalid/unsupported cipher parameters");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (auth_xform) {
|
|
ret = openssl_set_session_auth_parameters(sess, auth_xform);
|
|
if (ret != 0) {
|
|
OPENSSL_LOG(ERR,
|
|
"Invalid/unsupported auth parameters");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (aead_xform) {
|
|
ret = openssl_set_session_aead_parameters(sess, aead_xform);
|
|
if (ret != 0) {
|
|
OPENSSL_LOG(ERR,
|
|
"Invalid/unsupported AEAD parameters");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/** Reset private session parameters */
|
|
void
|
|
openssl_reset_session(struct openssl_session *sess)
|
|
{
|
|
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);
|
|
break;
|
|
case OPENSSL_AUTH_AS_HMAC:
|
|
EVP_PKEY_free(sess->auth.hmac.pkey);
|
|
HMAC_CTX_free(sess->auth.hmac.ctx);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/** Provide session for operation */
|
|
static struct openssl_session *
|
|
get_session(struct openssl_qp *qp, struct rte_crypto_op *op)
|
|
{
|
|
struct openssl_session *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_sym_session_private_data(
|
|
op->sym->session,
|
|
cryptodev_driver_id);
|
|
} else {
|
|
/* provide internal session */
|
|
void *_sess = NULL;
|
|
void *_sess_private_data = NULL;
|
|
|
|
if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
|
|
return NULL;
|
|
|
|
if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
|
|
return NULL;
|
|
|
|
sess = (struct openssl_session *)_sess_private_data;
|
|
|
|
if (unlikely(openssl_set_session_parameters(sess,
|
|
op->sym->xform) != 0)) {
|
|
rte_mempool_put(qp->sess_mp, _sess);
|
|
rte_mempool_put(qp->sess_mp, _sess_private_data);
|
|
sess = NULL;
|
|
}
|
|
op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
|
|
set_sym_session_private_data(op->sym->session,
|
|
cryptodev_driver_id, _sess_private_data);
|
|
}
|
|
|
|
if (sess == NULL)
|
|
op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
|
|
|
|
return sess;
|
|
}
|
|
|
|
/*
|
|
*------------------------------------------------------------------------------
|
|
* Process Operations
|
|
*------------------------------------------------------------------------------
|
|
*/
|
|
static inline int
|
|
process_openssl_encryption_update(struct rte_mbuf *mbuf_src, int offset,
|
|
uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx)
|
|
{
|
|
struct rte_mbuf *m;
|
|
int dstlen;
|
|
int l, n = srclen;
|
|
uint8_t *src;
|
|
|
|
for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
|
|
m = m->next)
|
|
offset -= rte_pktmbuf_data_len(m);
|
|
|
|
if (m == 0)
|
|
return -1;
|
|
|
|
src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
|
|
|
|
l = rte_pktmbuf_data_len(m) - offset;
|
|
if (srclen <= l) {
|
|
if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0)
|
|
return -1;
|
|
*dst += l;
|
|
return 0;
|
|
}
|
|
|
|
if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
|
|
return -1;
|
|
|
|
*dst += dstlen;
|
|
n -= l;
|
|
|
|
for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
|
|
src = rte_pktmbuf_mtod(m, uint8_t *);
|
|
l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
|
|
if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
|
|
return -1;
|
|
*dst += dstlen;
|
|
n -= l;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline int
|
|
process_openssl_decryption_update(struct rte_mbuf *mbuf_src, int offset,
|
|
uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx)
|
|
{
|
|
struct rte_mbuf *m;
|
|
int dstlen;
|
|
int l, n = srclen;
|
|
uint8_t *src;
|
|
|
|
for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
|
|
m = m->next)
|
|
offset -= rte_pktmbuf_data_len(m);
|
|
|
|
if (m == 0)
|
|
return -1;
|
|
|
|
src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
|
|
|
|
l = rte_pktmbuf_data_len(m) - offset;
|
|
if (srclen <= l) {
|
|
if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0)
|
|
return -1;
|
|
*dst += l;
|
|
return 0;
|
|
}
|
|
|
|
if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
|
|
return -1;
|
|
|
|
*dst += dstlen;
|
|
n -= l;
|
|
|
|
for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
|
|
src = rte_pktmbuf_mtod(m, uint8_t *);
|
|
l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
|
|
if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
|
|
return -1;
|
|
*dst += dstlen;
|
|
n -= l;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/** Process standard openssl cipher encryption */
|
|
static int
|
|
process_openssl_cipher_encrypt(struct rte_mbuf *mbuf_src, uint8_t *dst,
|
|
int offset, uint8_t *iv, int srclen, EVP_CIPHER_CTX *ctx)
|
|
{
|
|
int totlen;
|
|
|
|
if (EVP_EncryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
|
|
goto process_cipher_encrypt_err;
|
|
|
|
EVP_CIPHER_CTX_set_padding(ctx, 0);
|
|
|
|
if (process_openssl_encryption_update(mbuf_src, offset, &dst,
|
|
srclen, ctx))
|
|
goto process_cipher_encrypt_err;
|
|
|
|
if (EVP_EncryptFinal_ex(ctx, dst, &totlen) <= 0)
|
|
goto process_cipher_encrypt_err;
|
|
|
|
return 0;
|
|
|
|
process_cipher_encrypt_err:
|
|
OPENSSL_LOG(ERR, "Process openssl cipher encrypt failed");
|
|
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,
|
|
int offset, uint8_t *iv, int srclen, EVP_CIPHER_CTX *ctx)
|
|
{
|
|
int totlen;
|
|
|
|
if (EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
|
|
goto process_cipher_decrypt_err;
|
|
|
|
EVP_CIPHER_CTX_set_padding(ctx, 0);
|
|
|
|
if (process_openssl_decryption_update(mbuf_src, offset, &dst,
|
|
srclen, ctx))
|
|
goto process_cipher_decrypt_err;
|
|
|
|
if (EVP_DecryptFinal_ex(ctx, dst, &totlen) <= 0)
|
|
goto process_cipher_decrypt_err;
|
|
return 0;
|
|
|
|
process_cipher_decrypt_err:
|
|
OPENSSL_LOG(ERR, "Process openssl cipher decrypt failed");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/** Process cipher des 3 ctr encryption, decryption algorithm */
|
|
static int
|
|
process_openssl_cipher_des3ctr(struct rte_mbuf *mbuf_src, uint8_t *dst,
|
|
int offset, uint8_t *iv, uint8_t *key, int srclen,
|
|
EVP_CIPHER_CTX *ctx)
|
|
{
|
|
uint8_t ebuf[8], ctr[8];
|
|
int unused, n;
|
|
struct rte_mbuf *m;
|
|
uint8_t *src;
|
|
int l;
|
|
|
|
for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
|
|
m = m->next)
|
|
offset -= rte_pktmbuf_data_len(m);
|
|
|
|
if (m == 0)
|
|
goto process_cipher_des3ctr_err;
|
|
|
|
src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
|
|
l = rte_pktmbuf_data_len(m) - offset;
|
|
|
|
/* We use 3DES encryption also for decryption.
|
|
* IV is not important for 3DES ecb
|
|
*/
|
|
if (EVP_EncryptInit_ex(ctx, EVP_des_ede3_ecb(), NULL, key, NULL) <= 0)
|
|
goto process_cipher_des3ctr_err;
|
|
|
|
memcpy(ctr, iv, 8);
|
|
|
|
for (n = 0; n < srclen; n++) {
|
|
if (n % 8 == 0) {
|
|
if (EVP_EncryptUpdate(ctx,
|
|
(unsigned char *)&ebuf, &unused,
|
|
(const unsigned char *)&ctr, 8) <= 0)
|
|
goto process_cipher_des3ctr_err;
|
|
ctr_inc(ctr);
|
|
}
|
|
dst[n] = *(src++) ^ ebuf[n % 8];
|
|
|
|
l--;
|
|
if (!l) {
|
|
m = m->next;
|
|
if (m) {
|
|
src = rte_pktmbuf_mtod(m, uint8_t *);
|
|
l = rte_pktmbuf_data_len(m);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
process_cipher_des3ctr_err:
|
|
OPENSSL_LOG(ERR, "Process openssl cipher des 3 ede ctr failed");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/** Process AES-GCM encrypt algorithm */
|
|
static int
|
|
process_openssl_auth_encryption_gcm(struct rte_mbuf *mbuf_src, int offset,
|
|
int srclen, uint8_t *aad, int aadlen, uint8_t *iv,
|
|
uint8_t *dst, uint8_t *tag, EVP_CIPHER_CTX *ctx)
|
|
{
|
|
int len = 0, unused = 0;
|
|
uint8_t empty[] = {};
|
|
|
|
if (EVP_EncryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
|
|
goto process_auth_encryption_gcm_err;
|
|
|
|
if (aadlen > 0)
|
|
if (EVP_EncryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
|
|
goto process_auth_encryption_gcm_err;
|
|
|
|
if (srclen > 0)
|
|
if (process_openssl_encryption_update(mbuf_src, offset, &dst,
|
|
srclen, ctx))
|
|
goto process_auth_encryption_gcm_err;
|
|
|
|
/* Workaround open ssl bug in version less then 1.0.1f */
|
|
if (EVP_EncryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
|
|
goto process_auth_encryption_gcm_err;
|
|
|
|
if (EVP_EncryptFinal_ex(ctx, dst, &len) <= 0)
|
|
goto process_auth_encryption_gcm_err;
|
|
|
|
if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, 16, tag) <= 0)
|
|
goto process_auth_encryption_gcm_err;
|
|
|
|
return 0;
|
|
|
|
process_auth_encryption_gcm_err:
|
|
OPENSSL_LOG(ERR, "Process openssl auth encryption gcm failed");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/** Process AES-CCM encrypt algorithm */
|
|
static int
|
|
process_openssl_auth_encryption_ccm(struct rte_mbuf *mbuf_src, int offset,
|
|
int srclen, uint8_t *aad, int aadlen, uint8_t *iv,
|
|
uint8_t *dst, uint8_t *tag, uint8_t taglen, EVP_CIPHER_CTX *ctx)
|
|
{
|
|
int len = 0;
|
|
|
|
if (EVP_EncryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
|
|
goto process_auth_encryption_ccm_err;
|
|
|
|
if (EVP_EncryptUpdate(ctx, NULL, &len, NULL, srclen) <= 0)
|
|
goto process_auth_encryption_ccm_err;
|
|
|
|
if (aadlen > 0)
|
|
/*
|
|
* For AES-CCM, the actual AAD is placed
|
|
* 18 bytes after the start of the AAD field,
|
|
* according to the API.
|
|
*/
|
|
if (EVP_EncryptUpdate(ctx, NULL, &len, aad + 18, aadlen) <= 0)
|
|
goto process_auth_encryption_ccm_err;
|
|
|
|
if (srclen > 0)
|
|
if (process_openssl_encryption_update(mbuf_src, offset, &dst,
|
|
srclen, ctx))
|
|
goto process_auth_encryption_ccm_err;
|
|
|
|
if (EVP_EncryptFinal_ex(ctx, dst, &len) <= 0)
|
|
goto process_auth_encryption_ccm_err;
|
|
|
|
if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_GET_TAG, taglen, tag) <= 0)
|
|
goto process_auth_encryption_ccm_err;
|
|
|
|
return 0;
|
|
|
|
process_auth_encryption_ccm_err:
|
|
OPENSSL_LOG(ERR, "Process openssl auth encryption ccm failed");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/** Process AES-GCM decrypt algorithm */
|
|
static int
|
|
process_openssl_auth_decryption_gcm(struct rte_mbuf *mbuf_src, int offset,
|
|
int srclen, uint8_t *aad, int aadlen, uint8_t *iv,
|
|
uint8_t *dst, uint8_t *tag, EVP_CIPHER_CTX *ctx)
|
|
{
|
|
int len = 0, unused = 0;
|
|
uint8_t empty[] = {};
|
|
|
|
if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, 16, tag) <= 0)
|
|
goto process_auth_decryption_gcm_err;
|
|
|
|
if (EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
|
|
goto process_auth_decryption_gcm_err;
|
|
|
|
if (aadlen > 0)
|
|
if (EVP_DecryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
|
|
goto process_auth_decryption_gcm_err;
|
|
|
|
if (srclen > 0)
|
|
if (process_openssl_decryption_update(mbuf_src, offset, &dst,
|
|
srclen, ctx))
|
|
goto process_auth_decryption_gcm_err;
|
|
|
|
/* Workaround open ssl bug in version less then 1.0.1f */
|
|
if (EVP_DecryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
|
|
goto process_auth_decryption_gcm_err;
|
|
|
|
if (EVP_DecryptFinal_ex(ctx, dst, &len) <= 0)
|
|
return -EFAULT;
|
|
|
|
return 0;
|
|
|
|
process_auth_decryption_gcm_err:
|
|
OPENSSL_LOG(ERR, "Process openssl auth decryption gcm failed");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/** Process AES-CCM decrypt algorithm */
|
|
static int
|
|
process_openssl_auth_decryption_ccm(struct rte_mbuf *mbuf_src, int offset,
|
|
int srclen, uint8_t *aad, int aadlen, uint8_t *iv,
|
|
uint8_t *dst, uint8_t *tag, uint8_t tag_len,
|
|
EVP_CIPHER_CTX *ctx)
|
|
{
|
|
int len = 0;
|
|
|
|
if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_SET_TAG, tag_len, tag) <= 0)
|
|
goto process_auth_decryption_ccm_err;
|
|
|
|
if (EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
|
|
goto process_auth_decryption_ccm_err;
|
|
|
|
if (EVP_DecryptUpdate(ctx, NULL, &len, NULL, srclen) <= 0)
|
|
goto process_auth_decryption_ccm_err;
|
|
|
|
if (aadlen > 0)
|
|
/*
|
|
* For AES-CCM, the actual AAD is placed
|
|
* 18 bytes after the start of the AAD field,
|
|
* according to the API.
|
|
*/
|
|
if (EVP_DecryptUpdate(ctx, NULL, &len, aad + 18, aadlen) <= 0)
|
|
goto process_auth_decryption_ccm_err;
|
|
|
|
if (srclen > 0)
|
|
if (process_openssl_decryption_update(mbuf_src, offset, &dst,
|
|
srclen, ctx))
|
|
return -EFAULT;
|
|
|
|
return 0;
|
|
|
|
process_auth_decryption_ccm_err:
|
|
OPENSSL_LOG(ERR, "Process openssl auth decryption ccm failed");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/** Process standard openssl auth algorithms */
|
|
static int
|
|
process_openssl_auth(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset,
|
|
__rte_unused uint8_t *iv, __rte_unused EVP_PKEY * pkey,
|
|
int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo)
|
|
{
|
|
size_t dstlen;
|
|
struct rte_mbuf *m;
|
|
int l, n = srclen;
|
|
uint8_t *src;
|
|
|
|
for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
|
|
m = m->next)
|
|
offset -= rte_pktmbuf_data_len(m);
|
|
|
|
if (m == 0)
|
|
goto process_auth_err;
|
|
|
|
if (EVP_DigestInit_ex(ctx, algo, NULL) <= 0)
|
|
goto process_auth_err;
|
|
|
|
src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
|
|
|
|
l = rte_pktmbuf_data_len(m) - offset;
|
|
if (srclen <= l) {
|
|
if (EVP_DigestUpdate(ctx, (char *)src, srclen) <= 0)
|
|
goto process_auth_err;
|
|
goto process_auth_final;
|
|
}
|
|
|
|
if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0)
|
|
goto process_auth_err;
|
|
|
|
n -= l;
|
|
|
|
for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
|
|
src = rte_pktmbuf_mtod(m, uint8_t *);
|
|
l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
|
|
if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0)
|
|
goto process_auth_err;
|
|
n -= l;
|
|
}
|
|
|
|
process_auth_final:
|
|
if (EVP_DigestFinal_ex(ctx, dst, (unsigned int *)&dstlen) <= 0)
|
|
goto process_auth_err;
|
|
return 0;
|
|
|
|
process_auth_err:
|
|
OPENSSL_LOG(ERR, "Process openssl auth failed");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/** Process standard openssl auth algorithms with hmac */
|
|
static int
|
|
process_openssl_auth_hmac(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset,
|
|
int srclen, HMAC_CTX *ctx)
|
|
{
|
|
unsigned int dstlen;
|
|
struct rte_mbuf *m;
|
|
int l, n = srclen;
|
|
uint8_t *src;
|
|
|
|
for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
|
|
m = m->next)
|
|
offset -= rte_pktmbuf_data_len(m);
|
|
|
|
if (m == 0)
|
|
goto process_auth_err;
|
|
|
|
src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
|
|
|
|
l = rte_pktmbuf_data_len(m) - offset;
|
|
if (srclen <= l) {
|
|
if (HMAC_Update(ctx, (unsigned char *)src, srclen) != 1)
|
|
goto process_auth_err;
|
|
goto process_auth_final;
|
|
}
|
|
|
|
if (HMAC_Update(ctx, (unsigned char *)src, l) != 1)
|
|
goto process_auth_err;
|
|
|
|
n -= l;
|
|
|
|
for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
|
|
src = rte_pktmbuf_mtod(m, uint8_t *);
|
|
l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
|
|
if (HMAC_Update(ctx, (unsigned char *)src, l) != 1)
|
|
goto process_auth_err;
|
|
n -= l;
|
|
}
|
|
|
|
process_auth_final:
|
|
if (HMAC_Final(ctx, dst, &dstlen) != 1)
|
|
goto process_auth_err;
|
|
|
|
if (unlikely(HMAC_Init_ex(ctx, NULL, 0, NULL, NULL) != 1))
|
|
goto process_auth_err;
|
|
|
|
return 0;
|
|
|
|
process_auth_err:
|
|
OPENSSL_LOG(ERR, "Process openssl auth failed");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/*----------------------------------------------------------------------------*/
|
|
|
|
/** Process auth/cipher combined operation */
|
|
static void
|
|
process_openssl_combined_op
|
|
(struct rte_crypto_op *op, struct openssl_session *sess,
|
|
struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
|
|
{
|
|
/* cipher */
|
|
uint8_t *dst = NULL, *iv, *tag, *aad;
|
|
int srclen, aadlen, status = -1;
|
|
uint32_t offset;
|
|
uint8_t taglen;
|
|
|
|
/*
|
|
* Segmented destination buffer is not supported for
|
|
* encryption/decryption
|
|
*/
|
|
if (!rte_pktmbuf_is_contiguous(mbuf_dst)) {
|
|
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
|
|
return;
|
|
}
|
|
|
|
iv = rte_crypto_op_ctod_offset(op, uint8_t *,
|
|
sess->iv.offset);
|
|
if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
|
|
srclen = 0;
|
|
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->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);
|
|
}
|
|
|
|
taglen = sess->auth.digest_length;
|
|
|
|
if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
|
|
if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC ||
|
|
sess->aead_algo == RTE_CRYPTO_AEAD_AES_GCM)
|
|
status = process_openssl_auth_encryption_gcm(
|
|
mbuf_src, offset, srclen,
|
|
aad, aadlen, iv,
|
|
dst, tag, sess->cipher.ctx);
|
|
else
|
|
status = process_openssl_auth_encryption_ccm(
|
|
mbuf_src, offset, srclen,
|
|
aad, aadlen, iv,
|
|
dst, tag, taglen, sess->cipher.ctx);
|
|
|
|
} else {
|
|
if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC ||
|
|
sess->aead_algo == RTE_CRYPTO_AEAD_AES_GCM)
|
|
status = process_openssl_auth_decryption_gcm(
|
|
mbuf_src, offset, srclen,
|
|
aad, aadlen, iv,
|
|
dst, tag, sess->cipher.ctx);
|
|
else
|
|
status = process_openssl_auth_decryption_ccm(
|
|
mbuf_src, offset, srclen,
|
|
aad, aadlen, iv,
|
|
dst, tag, taglen, sess->cipher.ctx);
|
|
}
|
|
|
|
if (status != 0) {
|
|
if (status == (-EFAULT) &&
|
|
sess->auth.operation ==
|
|
RTE_CRYPTO_AUTH_OP_VERIFY)
|
|
op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
|
|
else
|
|
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
|
|
}
|
|
}
|
|
|
|
/** Process cipher operation */
|
|
static void
|
|
process_openssl_cipher_op
|
|
(struct rte_crypto_op *op, struct openssl_session *sess,
|
|
struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
|
|
{
|
|
uint8_t *dst, *iv;
|
|
int srclen, status;
|
|
|
|
/*
|
|
* Segmented destination buffer is not supported for
|
|
* encryption/decryption
|
|
*/
|
|
if (!rte_pktmbuf_is_contiguous(mbuf_dst)) {
|
|
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
|
|
return;
|
|
}
|
|
|
|
srclen = op->sym->cipher.data.length;
|
|
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);
|
|
|
|
if (sess->cipher.mode == OPENSSL_CIPHER_LIB)
|
|
if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
|
|
status = process_openssl_cipher_encrypt(mbuf_src, dst,
|
|
op->sym->cipher.data.offset, iv,
|
|
srclen, sess->cipher.ctx);
|
|
else
|
|
status = process_openssl_cipher_decrypt(mbuf_src, dst,
|
|
op->sym->cipher.data.offset, iv,
|
|
srclen, sess->cipher.ctx);
|
|
else
|
|
status = process_openssl_cipher_des3ctr(mbuf_src, dst,
|
|
op->sym->cipher.data.offset, iv,
|
|
sess->cipher.key.data, srclen,
|
|
sess->cipher.ctx);
|
|
|
|
if (status != 0)
|
|
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,
|
|
srclen, sess->cipher.ctx);
|
|
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,
|
|
srclen, sess->cipher.ctx);
|
|
}
|
|
}
|
|
|
|
if (status != 0)
|
|
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
|
|
}
|
|
|
|
/** Process auth operation */
|
|
static void
|
|
process_openssl_auth_op(struct openssl_qp *qp, struct rte_crypto_op *op,
|
|
struct openssl_session *sess, struct rte_mbuf *mbuf_src,
|
|
struct rte_mbuf *mbuf_dst)
|
|
{
|
|
uint8_t *dst;
|
|
int srclen, status;
|
|
|
|
srclen = op->sym->auth.data.length;
|
|
|
|
if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY)
|
|
dst = qp->temp_digest;
|
|
else {
|
|
dst = op->sym->auth.digest.data;
|
|
if (dst == NULL)
|
|
dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
|
|
op->sym->auth.data.offset +
|
|
op->sym->auth.data.length);
|
|
}
|
|
|
|
switch (sess->auth.mode) {
|
|
case OPENSSL_AUTH_AS_AUTH:
|
|
status = process_openssl_auth(mbuf_src, dst,
|
|
op->sym->auth.data.offset, NULL, NULL, srclen,
|
|
sess->auth.auth.ctx, sess->auth.auth.evp_algo);
|
|
break;
|
|
case OPENSSL_AUTH_AS_HMAC:
|
|
status = process_openssl_auth_hmac(mbuf_src, dst,
|
|
op->sym->auth.data.offset, srclen,
|
|
sess->auth.hmac.ctx);
|
|
break;
|
|
default:
|
|
status = -1;
|
|
break;
|
|
}
|
|
|
|
if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
|
|
if (memcmp(dst, op->sym->auth.digest.data,
|
|
sess->auth.digest_length) != 0) {
|
|
op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
|
|
}
|
|
}
|
|
|
|
if (status != 0)
|
|
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
|
|
}
|
|
|
|
/** Process crypto operation for mbuf */
|
|
static int
|
|
process_op(struct openssl_qp *qp, struct rte_crypto_op *op,
|
|
struct openssl_session *sess)
|
|
{
|
|
struct rte_mbuf *msrc, *mdst;
|
|
int retval;
|
|
|
|
msrc = op->sym->m_src;
|
|
mdst = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src;
|
|
|
|
op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
|
|
|
|
switch (sess->chain_order) {
|
|
case OPENSSL_CHAIN_ONLY_CIPHER:
|
|
process_openssl_cipher_op(op, sess, msrc, mdst);
|
|
break;
|
|
case OPENSSL_CHAIN_ONLY_AUTH:
|
|
process_openssl_auth_op(qp, op, sess, msrc, mdst);
|
|
break;
|
|
case OPENSSL_CHAIN_CIPHER_AUTH:
|
|
process_openssl_cipher_op(op, sess, msrc, mdst);
|
|
process_openssl_auth_op(qp, op, sess, mdst, mdst);
|
|
break;
|
|
case OPENSSL_CHAIN_AUTH_CIPHER:
|
|
process_openssl_auth_op(qp, op, sess, msrc, mdst);
|
|
process_openssl_cipher_op(op, sess, msrc, mdst);
|
|
break;
|
|
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->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
|
|
openssl_reset_session(sess);
|
|
memset(sess, 0, sizeof(struct openssl_session));
|
|
memset(op->sym->session, 0,
|
|
rte_cryptodev_sym_get_header_session_size());
|
|
rte_mempool_put(qp->sess_mp, sess);
|
|
rte_mempool_put(qp->sess_mp, op->sym->session);
|
|
op->sym->session = NULL;
|
|
}
|
|
|
|
if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
|
|
op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
|
|
|
|
if (op->status != RTE_CRYPTO_OP_STATUS_ERROR)
|
|
retval = rte_ring_enqueue(qp->processed_ops, (void *)op);
|
|
else
|
|
retval = -1;
|
|
|
|
return retval;
|
|
}
|
|
|
|
/*
|
|
*------------------------------------------------------------------------------
|
|
* PMD Framework
|
|
*------------------------------------------------------------------------------
|
|
*/
|
|
|
|
/** Enqueue burst */
|
|
static uint16_t
|
|
openssl_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
|
|
uint16_t nb_ops)
|
|
{
|
|
struct openssl_session *sess;
|
|
struct openssl_qp *qp = queue_pair;
|
|
int i, retval;
|
|
|
|
for (i = 0; i < nb_ops; i++) {
|
|
sess = get_session(qp, ops[i]);
|
|
if (unlikely(sess == NULL))
|
|
goto enqueue_err;
|
|
|
|
retval = process_op(qp, ops[i], sess);
|
|
if (unlikely(retval < 0))
|
|
goto enqueue_err;
|
|
}
|
|
|
|
qp->stats.enqueued_count += i;
|
|
return i;
|
|
|
|
enqueue_err:
|
|
qp->stats.enqueue_err_count++;
|
|
return i;
|
|
}
|
|
|
|
/** Dequeue burst */
|
|
static uint16_t
|
|
openssl_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
|
|
uint16_t nb_ops)
|
|
{
|
|
struct openssl_qp *qp = queue_pair;
|
|
|
|
unsigned int nb_dequeued = 0;
|
|
|
|
nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
|
|
(void **)ops, nb_ops, NULL);
|
|
qp->stats.dequeued_count += nb_dequeued;
|
|
|
|
return nb_dequeued;
|
|
}
|
|
|
|
/** Create OPENSSL crypto device */
|
|
static int
|
|
cryptodev_openssl_create(const char *name,
|
|
struct rte_vdev_device *vdev,
|
|
struct rte_cryptodev_pmd_init_params *init_params)
|
|
{
|
|
struct rte_cryptodev *dev;
|
|
struct openssl_private *internals;
|
|
|
|
dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
|
|
if (dev == NULL) {
|
|
OPENSSL_LOG(ERR, "failed to create cryptodev vdev");
|
|
goto init_error;
|
|
}
|
|
|
|
dev->driver_id = cryptodev_driver_id;
|
|
dev->dev_ops = rte_openssl_pmd_ops;
|
|
|
|
/* register rx/tx burst functions for data path */
|
|
dev->dequeue_burst = openssl_pmd_dequeue_burst;
|
|
dev->enqueue_burst = openssl_pmd_enqueue_burst;
|
|
|
|
dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
|
|
RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
|
|
RTE_CRYPTODEV_FF_CPU_AESNI |
|
|
RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
|
|
RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT;
|
|
|
|
/* Set vector instructions mode supported */
|
|
internals = dev->data->dev_private;
|
|
|
|
internals->max_nb_qpairs = init_params->max_nb_queue_pairs;
|
|
|
|
return 0;
|
|
|
|
init_error:
|
|
OPENSSL_LOG(ERR, "driver %s: create failed",
|
|
init_params->name);
|
|
|
|
cryptodev_openssl_remove(vdev);
|
|
return -EFAULT;
|
|
}
|
|
|
|
/** Initialise OPENSSL crypto device */
|
|
static int
|
|
cryptodev_openssl_probe(struct rte_vdev_device *vdev)
|
|
{
|
|
struct rte_cryptodev_pmd_init_params init_params = {
|
|
"",
|
|
sizeof(struct openssl_private),
|
|
rte_socket_id(),
|
|
RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
|
|
};
|
|
const char *name;
|
|
const char *input_args;
|
|
|
|
name = rte_vdev_device_name(vdev);
|
|
if (name == NULL)
|
|
return -EINVAL;
|
|
input_args = rte_vdev_device_args(vdev);
|
|
|
|
rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
|
|
|
|
return cryptodev_openssl_create(name, vdev, &init_params);
|
|
}
|
|
|
|
/** Uninitialise OPENSSL crypto device */
|
|
static int
|
|
cryptodev_openssl_remove(struct rte_vdev_device *vdev)
|
|
{
|
|
struct rte_cryptodev *cryptodev;
|
|
const char *name;
|
|
|
|
name = rte_vdev_device_name(vdev);
|
|
if (name == NULL)
|
|
return -EINVAL;
|
|
|
|
cryptodev = rte_cryptodev_pmd_get_named_dev(name);
|
|
if (cryptodev == NULL)
|
|
return -ENODEV;
|
|
|
|
return rte_cryptodev_pmd_destroy(cryptodev);
|
|
}
|
|
|
|
static struct rte_vdev_driver cryptodev_openssl_pmd_drv = {
|
|
.probe = cryptodev_openssl_probe,
|
|
.remove = cryptodev_openssl_remove
|
|
};
|
|
|
|
static struct cryptodev_driver openssl_crypto_drv;
|
|
|
|
RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_OPENSSL_PMD,
|
|
cryptodev_openssl_pmd_drv);
|
|
RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_OPENSSL_PMD,
|
|
"max_nb_queue_pairs=<int> "
|
|
"socket_id=<int>");
|
|
RTE_PMD_REGISTER_CRYPTO_DRIVER(openssl_crypto_drv,
|
|
cryptodev_openssl_pmd_drv.driver, cryptodev_driver_id);
|
|
|
|
RTE_INIT(openssl_init_log);
|
|
static void
|
|
openssl_init_log(void)
|
|
{
|
|
openssl_logtype_driver = rte_log_register("pmd.crypto.openssl");
|
|
}
|