Viewing file:  keytools.h (2.28 KB) -rw-r--r--
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/*
* keytools.h
*/
#ifndef _KEYTOOLS_H
#define _KEYTOOLS_H
#ifdef __cplusplus
extern "C" {
#endif
#define USM_LENGTH_EXPANDED_PASSPHRASE (1024 * 1024) /* 1Meg. */
#define USM_LENGTH_KU_HASHBLOCK 64 /* In bytes. */
#define USM_LENGTH_P_MIN 8 /* In characters. */
/*
* Recommended practice given in <draft-ietf-snmpv3-usm-v2-02.txt>,
* * Section 11.2 "Defining Users". Move into cmdline app argument
* * parsing, and out of the internal routine? XXX
*/
/*
* Prototypes.h
*/
NETSNMP_IMPORT
int generate_Ku(const oid * hashtype, u_int hashtype_len,
const u_char * P, size_t pplen,
u_char * Ku, size_t * kulen);
NETSNMP_IMPORT
int generate_kul(const oid * hashtype, u_int hashtype_len,
const u_char * engineID, size_t engineID_len,
const u_char * Ku, size_t ku_len,
u_char * Kul, size_t * kul_len);
NETSNMP_IMPORT
int netsnmp_extend_kul(u_int needKeyLen, oid *hashoid, u_int hashoid_len,
int privType, u_char *engineID, u_int engineIDLen,
u_char **kulBuf, size_t *kulBufLen,
u_int kulBufSize);
NETSNMP_IMPORT
int encode_keychange(const oid * hashtype,
u_int hashtype_len, u_char * oldkey,
size_t oldkey_len, u_char * newkey,
size_t newkey_len, u_char * kcstring,
size_t * kcstring_len);
NETSNMP_IMPORT
int decode_keychange(const oid * hashtype,
u_int hashtype_len, u_char * oldkey,
size_t oldkey_len, u_char * kcstring,
size_t kcstring_len, u_char * newkey,
size_t * newkey_len);
/*
* All functions devolve to the following block if we can't do cryptography
*/
#define _KEYTOOLS_NOT_AVAILABLE \
{ \
return SNMPERR_KT_NOT_AVAILABLE; \
}
#ifdef __cplusplus
}
#endif
#endif /* _KEYTOOLS_H */
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