/*
  * Perform base64 decoding from an ascii string "inStr" to an Item.
  * The length of the input must be provided as "inLen".  The Item
  * may be provided (as "outItemOpt"); you can also pass in a NULL
  * and the Item will be allocated for you.
  *
  * In any case, the data within the Item will be allocated for you.
  * All allocation will happen out of the passed-in "arenaOpt", if non-NULL.
  * If "arenaOpt" is NULL, standard allocation (heap) will be used and
  * you will want to free the result via SECITEM_FreeItem.
  *
  * Return value is NULL on error, the Item (allocated or provided) otherwise.
  */
 SECItem *
 NSSBase64_DecodeBuffer (PRArenaPool *arenaOpt, SECItem *outItemOpt,
             const char *inStr, unsigned int inLen)

 /*
  * PK11SDR_Decrypt
  *  Decrypt a block of data produced by PK11SDR_Encrypt.  The key used is identified
  *  by the keyid field within the input.
  */
 SECStatus
 PK11SDR_Decrypt(SECItem *data, SECItem *result, void *cx)