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scapi.h
资源名称：net-snmp-5.2.2.rar　[点击查看]
上传用户：wxp200602
上传日期：2007-10-30
资源大小：4028k
文件大小：4k
源码类别：

SNMP编程

开发平台：

Unix_Linux

scapi.h：源码内容
  1. /*
  2.  * scapi.h
  3.  */
  5. #ifndef _SCAPI_H
  6. #define _SCAPI_H
  8. #ifdef __cplusplus
  9. extern          "C" {
  10. #endif
  12.     /*
  13.      * Authentication/privacy transform bitlengths.
  14.      */
  15. #define SNMP_TRANS_AUTHLEN_HMACMD5 128
  16. #define SNMP_TRANS_AUTHLEN_HMACSHA1 160
  18. #define SNMP_TRANS_AUTHLEN_HMAC96 96
  20. #define SNMP_TRANS_PRIVLEN_1DES 64
  21. #define SNMP_TRANS_PRIVLEN_1DES_IV 64
  23. #define SNMP_TRANS_PRIVLEN_AES 128
  24. #define SNMP_TRANS_PRIVLEN_AES_IV 128
  25. #define SNMP_TRANS_AES_PADSIZE     128  /* backwards compat */
  26. #define SNMP_TRANS_PRIVLEN_AES128 128  /* backwards compat */
  27. #define SNMP_TRANS_PRIVLEN_AES128_IV 128  /* backwards compat */
  28. #define SNMP_TRANS_AES_AES128_PADSIZE   128  /* backwards compat */
  30.     /*
  31.      * Prototypes.
  32.      */
  33.     int             sc_get_properlength(const oid * hashtype,
  34.                                         u_int hashtype_len);
  35.     int             sc_get_proper_priv_length(const oid * privtype,
  36.                                               u_int privtype_len);
  38.     int             sc_init(void);
  39.     int             sc_shutdown(int majorID, int minorID, void *serverarg,
  40.                                 void *clientarg);
  42.     int             sc_random(u_char * buf, size_t * buflen);
  44.     int             sc_generate_keyed_hash(const oid * authtype,
  45.                                            size_t authtypelen,
  46.                                            u_char * key, u_int keylen,
  47.                                            u_char * message, u_int msglen,
  48.                                            u_char * MAC, size_t * maclen);
  50.     int             sc_check_keyed_hash(const oid * authtype,
  51.                                         size_t authtypelen, u_char * key,
  52.                                         u_int keylen, u_char * message,
  53.                                         u_int msglen, u_char * MAC,
  54.                                         u_int maclen);
  56.     int             sc_encrypt(const oid * privtype, size_t privtypelen,
  57.                                u_char * key, u_int keylen,
  58.                                u_char * iv, u_int ivlen,
  59.                                u_char * plaintext, u_int ptlen,
  60.                                u_char * ciphertext, size_t * ctlen);
  62.     int             sc_decrypt(const oid * privtype, size_t privtypelen,
  63.                                u_char * key, u_int keylen,
  64.                                u_char * iv, u_int ivlen,
  65.                                u_char * ciphertext, u_int ctlen,
  66.                                u_char * plaintext, size_t * ptlen);
  68.     int             sc_hash(const oid * hashtype, size_t hashtypelen,
  69.                             u_char * buf, size_t buf_len,
  70.                             u_char * MAC, size_t * MAC_len);
  72.     int             sc_get_transform_type(oid * hashtype,
  73.                                           u_int hashtype_len,
  74.                                           int (**hash_fn) (const int mode,
  75.                                                            void **context,
  76.                                                            const u_char *
  77.                                                            data,
  78.                                                            const int
  79.                                                            data_len,
  80.                                                            u_char **
  81.                                                            digest,
  82.                                                            size_t *
  83.                                                            digest_len));
  86.     /*
  87.      * All functions devolve to the following block if we can't do cryptography
  88.      */
  89. #define _SCAPI_NOT_CONFIGURED
  90. {
  91.         snmp_log(LOG_ERR, "Encryption support not enabled.n"); 
  92.         DEBUGMSGTL(("scapi", "SCAPI not configured"));
  93. return SNMPERR_SC_NOT_CONFIGURED;
  94. }
  96.     /*
  97.      * define a transform type if we're using the internal md5 support 
  98.      */
  99. #ifdef USE_INTERNAL_MD5
  100. #define INTERNAL_MD5 1
  101. #endif
  103. #ifdef __cplusplus
  104. }
  105. #endif
  106. #endif                          /* _SCAPI_H */