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Groups > linux.kernel > #1351019
| From | Tadeusz Struk <tadeusz.struk@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/3] crypto: af_alg - add AEAD operation type |
| Date | 2016-03-06 02:30 +0100 |
| Message-ID | <r9vG9-6nu-3@gated-at.bofh.it> (permalink) |
| References | <r9vG9-6nu-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
We need to allow the user to set the authentication type.
This adds a new operation that sets IPSec or TLS authentication mode.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
---
crypto/af_alg.c | 6 ++++++
include/crypto/if_alg.h | 1 +
include/uapi/linux/if_alg.h | 4 ++++
3 files changed, 11 insertions(+)
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index f5e18c2..cc5f2b0 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -464,6 +464,12 @@ int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con)
con->op = *(u32 *)CMSG_DATA(cmsg);
break;
+ case ALG_SET_AEAD_TYPE:
+ if (cmsg->cmsg_len < CMSG_LEN(sizeof(u32)))
+ return -EINVAL;
+ con->op_type = *(u32 *)CMSG_DATA(cmsg);
+ break;
+
case ALG_SET_AEAD_ASSOCLEN:
if (cmsg->cmsg_len < CMSG_LEN(sizeof(u32)))
return -EINVAL;
diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h
index a2bfd78..d76ea0c 100644
--- a/include/crypto/if_alg.h
+++ b/include/crypto/if_alg.h
@@ -45,6 +45,7 @@ struct af_alg_completion {
struct af_alg_control {
struct af_alg_iv *iv;
int op;
+ int op_type;
unsigned int aead_assoclen;
};
diff --git a/include/uapi/linux/if_alg.h b/include/uapi/linux/if_alg.h
index f2acd2f..cef00de 100644
--- a/include/uapi/linux/if_alg.h
+++ b/include/uapi/linux/if_alg.h
@@ -34,9 +34,13 @@ struct af_alg_iv {
#define ALG_SET_OP 3
#define ALG_SET_AEAD_ASSOCLEN 4
#define ALG_SET_AEAD_AUTHSIZE 5
+#define ALG_SET_AEAD_TYPE 6
/* Operations */
#define ALG_OP_DECRYPT 0
#define ALG_OP_ENCRYPT 1
+/* AEAD operation type */
+#define ALG_AEAD_IPSEC 0 /* First encrypt then authenticate */
+#define ALG_AEAD_TLS 1 /* First authenticate then encrypt */
#endif /* _LINUX_IF_ALG_H */
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[PATCH 0/3] crypto: af_alg - add TLS type encryption Tadeusz Struk <tadeusz.struk@intel.com> - 2016-03-06 02:30 +0100
[PATCH 2/3] crypto: af_alg - add AEAD operation type Tadeusz Struk <tadeusz.struk@intel.com> - 2016-03-06 02:30 +0100
[PATCH 3/3] crypto: algif_aead - modify algif aead interface to work with encauth Tadeusz Struk <tadeusz.struk@intel.com> - 2016-03-06 02:30 +0100
[PATCH 1/3] crypto: authenc - add TLS type encryption Tadeusz Struk <tadeusz.struk@intel.com> - 2016-03-06 02:30 +0100
Re: [PATCH 1/3] crypto: authenc - add TLS type encryption Cristian Stoica <cristian.stoica@nxp.com> - 2016-03-07 12:40 +0100
Re: [PATCH 1/3] crypto: authenc - add TLS type encryption Tadeusz Struk <tadeusz.struk@intel.com> - 2016-03-07 15:40 +0100
Re: [PATCH 1/3] crypto: authenc - add TLS type encryption Cristian Stoica <cristian.stoica@nxp.com> - 2016-03-08 09:40 +0100
Re: [PATCH 1/3] crypto: authenc - add TLS type encryption Tadeusz Struk <tadeusz.struk@intel.com> - 2016-03-08 18:00 +0100
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