X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fcryptodevs%2Fkasumi.rst;h=4790f0ff773c4755981c565f9209a83cc06653d6;hb=de429906dc8f9599232f40475ff42c12c5249d3b;hp=2265eee4e225226b47f0fcea8a40cd2097368303;hpb=d166f3db3554ebf7837317a5525c4a08d7f454d5;p=dpdk.git diff --git a/doc/guides/cryptodevs/kasumi.rst b/doc/guides/cryptodevs/kasumi.rst index 2265eee4e2..4790f0ff77 100644 --- a/doc/guides/cryptodevs/kasumi.rst +++ b/doc/guides/cryptodevs/kasumi.rst @@ -1,12 +1,12 @@ .. SPDX-License-Identifier: BSD-3-Clause - Copyright(c) 2016 Intel Corporation. + Copyright(c) 2016-2019 Intel Corporation. KASUMI Crypto Poll Mode Driver =============================== -The KASUMI PMD (**librte_pmd_kasumi**) provides poll mode crypto driver -support for utilizing Intel Libsso library, which implements F8 and F9 functions -for KASUMI UEA1 cipher and UIA1 hash algorithms. +The KASUMI PMD (**librte_crypto_kasumi**) provides poll mode crypto driver support for +utilizing `Intel IPSec Multi-buffer library `_ +which implements F8 and F9 functions for KASUMI UEA1 cipher and UIA1 hash algorithms. Features -------- @@ -33,33 +33,53 @@ Limitations Installation ------------ -To build DPDK with the KASUMI_PMD the user is required to download -the export controlled ``libsso_kasumi`` library, by registering in -`Intel Resource & Design Center `_. -Once approval has been granted, the user needs to search for -*Kasumi F8 F9 3GPP cryptographic algorithms Software Library* to download the -library or directly through this `link `_. +To build DPDK with the KASUMI_PMD the user is required to download the multi-buffer +library from `here `_ +and compile it on their user system before building DPDK. +The latest version of the library supported by this PMD is v0.54, which +can be downloaded from ``_. + After downloading the library, the user needs to unpack and compile it -on their system before building DPDK:: +on their system before building DPDK: + +.. code-block:: console + + make + make install + +The library requires NASM to be built. Depending on the library version, it might +require a minimum NASM version (e.g. v0.54 requires at least NASM 2.14). + +NASM is packaged for different OS. However, on some OS the version is too old, +so a manual installation is required. In that case, NASM can be downloaded from +`NASM website `_. +Once it is downloaded, extract it and follow these steps: - make +.. code-block:: console + + ./configure + make + make install + +.. note:: -**Note**: When encrypting with KASUMI F8, by default the library -encrypts full blocks of 8 bytes, regardless the number of bytes to -be encrypted provided (which leads to a possible buffer overflow). -To avoid this situation, it is necessary not to pass -3GPP_SAFE_BUFFERS as a compilation flag. -Also, this is required when using chained operations -(cipher-then-auth/auth-then-cipher). -For this, in the Makefile of the library, make sure that this flag -is commented out:: + Compilation of the Multi-Buffer library is broken when GCC < 5.0, if library <= v0.53. + If a lower GCC version than 5.0, the workaround proposed by the following link + should be used: ``_. - #EXTRA_CFLAGS += -D_3GPP_SAFE_BUFFERS +As a reference, the following table shows a mapping between the past DPDK versions +and the external crypto libraries supported by them: -**Note**: To build the PMD as a shared library, the libsso_kasumi -library must be built as follows:: +.. _table_kasumi_versions: - make KASUMI_CFLAGS=-DKASUMI_C +.. table:: DPDK and external crypto library version compatibility + + ============= ================================ + DPDK version Crypto library version + ============= ================================ + 16.11 - 19.11 LibSSO KASUMI + 20.02+ Multi-buffer library 0.53 - 0.54 + ============= ================================ Initialization @@ -67,12 +87,7 @@ Initialization In order to enable this virtual crypto PMD, user must: -* Export the environmental variable LIBSSO_KASUMI_PATH with the path where - the library was extracted (kasumi folder). - -* Build the LIBSSO library (explained in Installation section). - -* Set CONFIG_RTE_LIBRTE_PMD_KASUMI=y in config/common_base. +* Build the multi buffer library (explained in Installation section). To use the PMD in an application, user must: @@ -93,7 +108,7 @@ Example: .. code-block:: console - ./l2fwd-crypto -l 1 -n 4 --vdev="crypto_kasumi,socket_id=0,max_nb_sessions=128" \ + ./dpdk-l2fwd-crypto -l 1 -n 4 --vdev="crypto_kasumi,socket_id=0,max_nb_sessions=128" \ -- -p 1 --cdev SW --chain CIPHER_ONLY --cipher_algo "kasumi-f8" Extra notes on KASUMI F9