external/ibm-public/postfix/dist/src/tls/tls_prng.h

   1 /*      $NetBSD$        */
   2
   3 #ifndef _TLS_PRNG_SRC_H_INCLUDED_
   4 #define _TLS_PRNG_SRC_H_INCLUDED_
   5
   6 /*++
   7 /* NAME
   8 /*      tls_prng_src 3h
   9 /* SUMMARY
  10 /*      OpenSSL PRNG maintenance routines
  11 /* SYNOPSIS
  12 /*      #include <tls_prng_src.h>
  13 /* DESCRIPTION
  14 /* .nf
  15
  16  /*
  17   * External interface.
  18   */
  19 typedef struct TLS_PRNG_SRC {
  20     int     fd;                         /* file handle */
  21     char   *name;                       /* resource name */
  22     int     timeout;                    /* time limit of applicable */
  23 } TLS_PRNG_SRC;
  24
  25 extern TLS_PRNG_SRC *tls_prng_egd_open(const char *, int);
  26 extern ssize_t tls_prng_egd_read(TLS_PRNG_SRC *, size_t);
  27 extern int tls_prng_egd_close(TLS_PRNG_SRC *);
  28
  29 extern TLS_PRNG_SRC *tls_prng_dev_open(const char *, int);
  30 extern ssize_t tls_prng_dev_read(TLS_PRNG_SRC *, size_t);
  31 extern int tls_prng_dev_close(TLS_PRNG_SRC *);
  32
  33 extern TLS_PRNG_SRC *tls_prng_file_open(const char *, int);
  34 extern ssize_t tls_prng_file_read(TLS_PRNG_SRC *, size_t);
  35 extern int tls_prng_file_close(TLS_PRNG_SRC *);
  36
  37 extern TLS_PRNG_SRC *tls_prng_exch_open(const char *);
  38 extern void tls_prng_exch_update(TLS_PRNG_SRC *);
  39 extern void tls_prng_exch_close(TLS_PRNG_SRC *);
  40
  41 /* LICENSE
  42 /* .ad
  43 /* .fi
  44 /*      The Secure Mailer license must be distributed with this software.
  45 /* AUTHOR(S)
  46 /*      Wietse Venema
  47 /*      IBM T.J. Watson Research
  48 /*      P.O. Box 704
  49 /*      Yorktown Heights, NY 10598, USA
  50 /*--*/
  51
  52 #endif