> -----Original Message-----
> From: dev <dev-boun...@dpdk.org> On Behalf Of Arek Kusztal
> Sent: Monday, January 13, 2020 4:14 PM
> To: dev@dpdk.org
> Cc: akhil.go...@nxp.com; fiona.tr...@intel.com; Arek Kusztal
> <arkadiuszx.kusz...@intel.com>
> Subject: [dpdk-dev] [PATCH v3] cryptodev: add chacha20-poly1305 aead
> algorithm
>
> This patch adds Chacha20-Poly1305 AEAD algorithm to Cryptodev.
>
> Signed-off-by: Arek Kusztal <arkadiuszx.kusz...@intel.com>
> Acked-by: Fiona Trahe <fiona.tr...@intel.com>
Acked-by: Anoob Joseph <ano...@marvell.com>
> ---
> v2:
> - moved release notes to 20.02
> v3:
> - added algorithm strings
>
> doc/guides/cryptodevs/features/default.ini | 13 +++++++------
> doc/guides/rel_notes/release_20_02.rst | 4 ++++
> lib/librte_cryptodev/rte_crypto_sym.h | 9 +++++++++
> lib/librte_cryptodev/rte_cryptodev.c | 1 +
> 4 files changed, 21 insertions(+), 6 deletions(-)
>
> diff --git a/doc/guides/cryptodevs/features/default.ini
> b/doc/guides/cryptodevs/features/default.ini
> index b7f9a0a..2a3ff48 100644
> --- a/doc/guides/cryptodevs/features/default.ini
> +++ b/doc/guides/cryptodevs/features/default.ini
> @@ -93,12 +93,13 @@ SHA3_512 HMAC =
> ; Supported AEAD algorithms of a default crypto driver.
> ;
> [AEAD]
> -AES GCM (128) =
> -AES GCM (192) =
> -AES GCM (256) =
> -AES CCM (128) =
> -AES CCM (192) =
> -AES CCM (256) =
> +AES GCM (128) =
> +AES GCM (192) =
> +AES GCM (256) =
> +AES CCM (128) =
> +AES CCM (192) =
> +AES CCM (256) =
> +CHACHA20-POLY1305 =
> ;
> ; Supported Asymmetric algorithms of a default crypto driver.
> ;
> diff --git a/doc/guides/rel_notes/release_20_02.rst
> b/doc/guides/rel_notes/release_20_02.rst
> index 0eaa45a..6b60f47 100644
> --- a/doc/guides/rel_notes/release_20_02.rst
> +++ b/doc/guides/rel_notes/release_20_02.rst
> @@ -56,6 +56,10 @@ New Features
> Also, make sure to start the actual text at the margin.
> =========================================================
>
> +* **Added Chacha20-Poly1305 algorithm to Cryptodev API.**
> +
> + Chacha20-Poly1305 AEAD algorithm can now be supported in Cryptodev.
> +
>
> Removed Items
> -------------
> diff --git a/lib/librte_cryptodev/rte_crypto_sym.h
> b/lib/librte_cryptodev/rte_crypto_sym.h
> index ffa038d..bc356f6 100644
> --- a/lib/librte_cryptodev/rte_crypto_sym.h
> +++ b/lib/librte_cryptodev/rte_crypto_sym.h
> @@ -348,6 +348,8 @@ enum rte_crypto_aead_algorithm {
> /**< AES algorithm in CCM mode. */
> RTE_CRYPTO_AEAD_AES_GCM,
> /**< AES algorithm in GCM mode. */
> + RTE_CRYPTO_AEAD_CHACHA20_POLY1305,
> + /**< Chacha20 cipher with poly1305 authenticator */
> RTE_CRYPTO_AEAD_LIST_END
> };
>
> @@ -391,6 +393,11 @@ struct rte_crypto_aead_xform {
> * be allocated, even though the length field will
> * have a value less than this.
> *
> + * - For Chacha20-Poly1305 it is 96-bit nonce.
> + * PMD sets initial counter for Poly1305 key generation
> + * part to 0 and for Chacha20 encryption to 1 as per
> + * rfc8439 2.8. AEAD construction.
> + *
> * For optimum performance, the data pointed to SHOULD
> * be 8-byte aligned.
> */
> @@ -407,6 +414,8 @@ struct rte_crypto_aead_xform {
> *
> * - For CCM mode, this is the length of the nonce,
> * which can be in the range 7 to 13 inclusive.
> + *
> + * - For Chacha20-Poly1305 this field is always 12.
> */
> } iv; /**< Initialisation vector parameters */
>
> diff --git a/lib/librte_cryptodev/rte_cryptodev.c
> b/lib/librte_cryptodev/rte_cryptodev.c
> index 89aa2ed..410520f 100644
> --- a/lib/librte_cryptodev/rte_cryptodev.c
> +++ b/lib/librte_cryptodev/rte_cryptodev.c
> @@ -151,6 +151,7 @@ const char *
> rte_crypto_aead_algorithm_strings[] = {
> [RTE_CRYPTO_AEAD_AES_CCM] = "aes-ccm",
> [RTE_CRYPTO_AEAD_AES_GCM] = "aes-gcm",
> + [RTE_CRYPTO_AEAD_CHACHA20_POLY1305] = "chacha20-poly1305"
> };
>
> /**
> --
> 2.1.0
