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>
Acked-by: Akhil Goyal <akhil.go...@nxp.com>
---
v3:
- rebased against 20.05
v4:
- rebased again against 20.05
doc/guides/cryptodevs/features/default.ini | 13 +++++++------
doc/guides/rel_notes/release_20_05.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 118479d..800bcf8 100644
--- a/doc/guides/cryptodevs/features/default.ini
+++ b/doc/guides/cryptodevs/features/default.ini
@@ -95,12 +95,13 @@ 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_05.rst
b/doc/guides/rel_notes/release_20_05.rst
index b124c3f..88396e8 100644
--- a/doc/guides/rel_notes/release_20_05.rst
+++ b/doc/guides/rel_notes/release_20_05.rst
@@ -212,6 +212,10 @@ New Features
* Added IPsec inbound load-distribution support for ipsec-secgw application
using NIC load distribution feature(Flow Director).
+* **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 9e887c1..d9585ec 100644
--- a/lib/librte_cryptodev/rte_crypto_sym.h
+++ b/lib/librte_cryptodev/rte_crypto_sym.h
@@ -409,6 +409,8 @@ 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
};
@@ -452,6 +454,11 @@ 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.
*/
@@ -468,6 +475,8 @@ 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 7693eb6..a499c47 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -152,6 +152,7 @@ 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
