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SCTP: Fix build issues with SCTP AUTH.

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SCTP-AUTH requires selection of CRYPTO, HMAC and SHA1 since
SHA1 is a MUST requirement for AUTH.  We also support SHA256,
but that's optional, so fix the code to treat it as such.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
This commit is contained in:
Vlad Yasevich 2007-11-29 09:53:52 -05:00
parent 555d3d5d2b
commit b7e0fe9f81
3 changed files with 11 additions and 6 deletions
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9
include/net/sctp/constants.h
View File

@ -441,11 +441,14 @@ enum {
SCTP_AUTH_HMAC_ID_RESERVED_0,
SCTP_AUTH_HMAC_ID_SHA1,
SCTP_AUTH_HMAC_ID_RESERVED_2,
SCTP_AUTH_HMAC_ID_SHA256
#if defined (CONFIG_CRYPTO_SHA256) || defined (CONFIG_CRYPTO_SHA256_MODULE)
SCTP_AUTH_HMAC_ID_SHA256,
#endif
__SCTP_AUTH_HMAC_MAX
};
#define SCTP_AUTH_HMAC_ID_MAX SCTP_AUTH_HMAC_ID_SHA256
#define SCTP_AUTH_NUM_HMACS (SCTP_AUTH_HMAC_ID_SHA256 + 1)
#define SCTP_AUTH_HMAC_ID_MAX __SCTP_AUTH_HMAC_MAX - 1
#define SCTP_AUTH_NUM_HMACS __SCTP_AUTH_HMAC_MAX
#define SCTP_SHA1_SIG_SIZE 20
#define SCTP_SHA256_SIG_SIZE 32

6
net/sctp/Kconfig
View File

@ -6,9 +6,9 @@ menuconfig IP_SCTP
tristate "The SCTP Protocol (EXPERIMENTAL)"
depends on INET && EXPERIMENTAL
depends on IPV6 || IPV6=n
select CRYPTO if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5
select CRYPTO_HMAC if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5
select CRYPTO_SHA1 if SCTP_HMAC_SHA1
select CRYPTO
select CRYPTO_HMAC
select CRYPTO_SHA1
select CRYPTO_MD5 if SCTP_HMAC_MD5
---help---
Stream Control Transmission Protocol

2
net/sctp/auth.c
View File

@ -54,11 +54,13 @@ static struct sctp_hmac sctp_hmac_list[SCTP_AUTH_NUM_HMACS] = {
/* id 2 is reserved as well */
.hmac_id = SCTP_AUTH_HMAC_ID_RESERVED_2,
},
#if defined (CONFIG_CRYPTO_SHA256) || defined (CONFIG_CRYPTO_SHA256_MODULE)
{
.hmac_id = SCTP_AUTH_HMAC_ID_SHA256,
.hmac_name="hmac(sha256)",
.hmac_len = SCTP_SHA256_SIG_SIZE,
}
#endif
};