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Remove unused code.

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Approved by:	re (kib@)
MFC after:	1 week
This commit is contained in:
Michael Tuexen 2018-09-18 10:53:07 +00:00
parent b6af74d289
commit ba4704a278
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=338749
2 changed files with 0 additions and 37 deletions
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34
sys/netinet/sctp_auth.c
View File

@ -1060,40 +1060,6 @@ sctp_hmac_m(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,
return (digestlen);
}
/*-
* verify the HMAC digest using the desired hash key, text, and HMAC
* algorithm.
* Returns -1 on error, 0 on success.
*/
int
sctp_verify_hmac(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,
uint8_t *text, uint32_t textlen,
uint8_t *digest, uint32_t digestlen)
{
uint32_t len;
uint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];
/* sanity check the material and length */
if ((key == NULL) || (keylen == 0) ||
(text == NULL) || (textlen == 0) || (digest == NULL)) {
/* can't do HMAC with empty key or text or digest */
return (-1);
}
len = sctp_get_hmac_digest_len(hmac_algo);
if ((len == 0) || (digestlen != len))
return (-1);
/* compute the expected hash */
if (sctp_hmac(hmac_algo, key, keylen, text, textlen, temp) != len)
return (-1);
if (memcmp(digest, temp, digestlen) != 0)
return (-1);
else
return (0);
}
/*
* computes the requested HMAC using a key struct (which may be modified if
* the keylen exceeds the HMAC block len).

3
sys/netinet/sctp_auth.h
View File

@ -178,9 +178,6 @@ extern uint32_t sctp_get_hmac_digest_len(uint16_t hmac_algo);
extern uint32_t
sctp_hmac(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,
uint8_t *text, uint32_t textlen, uint8_t *digest);
extern int
sctp_verify_hmac(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,
uint8_t *text, uint32_t textlen, uint8_t *digest, uint32_t digestlen);
extern uint32_t
sctp_compute_hmac(uint16_t hmac_algo, sctp_key_t *key,
uint8_t *text, uint32_t textlen, uint8_t *digest);