[dpdk-dev] [PATCH 1/2] aesni_mb: add counter mode support
Fan Zhang
roy.fan.zhang at intel.com
Thu May 5 16:59:01 CEST 2016
This patch provides counter mode support to AES-NI multi-buffer library.
The following cipher algorithm is enabled:
- RTE_CRYPTO_CIPHER_AES_CTR
Signed-off-by: Fan Zhang <roy.fan.zhang at intel.com>
---
doc/guides/cryptodevs/aesni_mb.rst | 3 +++
doc/guides/cryptodevs/overview.rst | 6 +++---
doc/guides/rel_notes/release_16_07.rst | 5 +++++
drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c | 3 +++
drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c | 20 ++++++++++++++++++++
5 files changed, 34 insertions(+), 3 deletions(-)
diff --git a/doc/guides/cryptodevs/aesni_mb.rst b/doc/guides/cryptodevs/aesni_mb.rst
index fd5414d..60a8914 100644
--- a/doc/guides/cryptodevs/aesni_mb.rst
+++ b/doc/guides/cryptodevs/aesni_mb.rst
@@ -48,6 +48,9 @@ Cipher algorithms:
* RTE_CRYPTO_SYM_CIPHER_AES128_CBC
* RTE_CRYPTO_SYM_CIPHER_AES192_CBC
* RTE_CRYPTO_SYM_CIPHER_AES256_CBC
+* RTE_CRYPTO_SYM_CIPHER_AES128_CTR
+* RTE_CRYPTO_SYM_CIPHER_AES192_CTR
+* RTE_CRYPTO_SYM_CIPHER_AES256_CTR
Hash algorithms:
diff --git a/doc/guides/cryptodevs/overview.rst b/doc/guides/cryptodevs/overview.rst
index e1f33e1..4a84146 100644
--- a/doc/guides/cryptodevs/overview.rst
+++ b/doc/guides/cryptodevs/overview.rst
@@ -55,9 +55,9 @@ Supported Cipher Algorithms
"AES_CBC_128",x,,x,,
"AES_CBC_192",x,,x,,
"AES_CBC_256",x,,x,,
- "AES_CTR_128",x,,,,
- "AES_CTR_192",x,,,,
- "AES_CTR_256",x,,,,
+ "AES_CTR_128",x,,x,,
+ "AES_CTR_192",x,,x,,
+ "AES_CTR_256",x,,x,,
"SNOW3G_UEA2",x,,,,x
Supported Authentication Algorithms
diff --git a/doc/guides/rel_notes/release_16_07.rst b/doc/guides/rel_notes/release_16_07.rst
index 84e61c0..4600e81 100644
--- a/doc/guides/rel_notes/release_16_07.rst
+++ b/doc/guides/rel_notes/release_16_07.rst
@@ -34,6 +34,11 @@ This section should contain new features added in this release. Sample format:
Refer to the previous release notes for examples.
+* **Added AES-CTR support to AESNI MB PMD.**
+
+ Now AESNI MB PMD supports 128/192/256-bit counter mode AES encryption and
+ decryption.
+
* **Added support of AES counter mode for Intel QuickAssist devices.**
Enabled support for the AES CTR algorithm for IntelQuick Assist devices.
diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
index 3415ac1..ce763bf 100644
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
@@ -222,6 +222,9 @@ aesni_mb_set_session_cipher_parameters(const struct aesni_mb_ops *mb_ops,
case RTE_CRYPTO_CIPHER_AES_CBC:
sess->cipher.mode = CBC;
break;
+ case RTE_CRYPTO_CIPHER_AES_CTR:
+ sess->cipher.mode = CNTR;
+ break;
default:
MB_LOG_ERR("Unsupported cipher mode parameter");
return -1;
diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c
index 3806a66..d3c46ac 100644
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c
@@ -207,6 +207,26 @@ static const struct rte_cryptodev_capabilities aesni_mb_pmd_capabilities[] = {
}, }
}, }
},
+ { /* AES CTR */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_AES_CTR,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 32,
+ .increment = 8
+ },
+ .iv_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};
--
2.5.5
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