Hello,
I finally figured out why my call to generate_ku for authPriv
is failing:
It is this code snippet in keytools.c:
----------
/*
* Setup for the transform type.
*/
#ifdef USE_OPENSSL
#ifndef DISABLE_MD5
if (ISTRANSFORM(hashtype, HMACMD5Auth))
EVP_DigestInit(ctx, EVP_md5());
else
#endif
if (ISTRANSFORM(hashtype, HMACSHA1Auth))
EVP_DigestInit(ctx, EVP_sha1());
else {
free(ctx);
return (SNMPERR_GENERR);
}
#else
MDbegin(&MD);
#endif /* USE_OPENSSL */
----------
It would appear that there is NO support for authPriv via
the programming interface....interestingly enough, it works
(i.e., DES) from the command line interface!
SO what gives? I checked the CVS and I seem to have the current
version of keytools.c.
H-E-L-P!!
Thanks!
--daulat
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of M.Daulat
Rai
Sent: Friday, April 14, 2006 10:29 AM
To: Net-snmp-users@lists.sourceforge.net
Subject: encryption generation errors
Hello All,
I can run a "c" program with authNoPriv successfully;
I modified it to use "authPriv" and the generate_ku()
function fails.
Here is the relevant code snippet:
----------------
cnst char *our_v3_passphrase = "The Net-SNMP Demo Password";
/* set the encryption method to DES */
session.securityPrivProto = usmDESPrivProtocol;
session.securityPrivProtoLen = sizeof(usmDESPrivProtocol)/sizeof(oid);
session.securityPrivKeyLen = USM_PRIV_KU_LEN;
/* set the encryption to a DES encrypted version of our
passphrase */
if (generate_Ku(session.securityPrivProto,
session.securityPrivProtoLen,
(u_char *) our_v3_passphrase, strlen(our_v3_passphrase),
session.securityPrivKey,
&session.securityPrivKeyLen) != SNMPERR_SUCCESS)
{
==========
Please note the following command works:
snmpget -v 3 -u MD5DESUser -a MD5 -A "The Net-SNMP Demo Password" -x DES -X
"The Net-SNMP Demo Password" -l authPriv test.net-snmp.org system
Please help!
What I am missing in my call?
Thanks!
--daulat
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