fixed decrypt from out buf

TODO

@@ -1,23 +1,3 @@
-[15.Aug 14:29:22] --- [~/pcp/tests] ---
-% pcp1 -K key-alicia-pub
-Could not open input file <20>fz
-Error: No such file or directory
-*** Error in `pcp1': double free or corruption (top): 0x000000000208e460 ***
-Aborted
-
-
-% tests/sample 
-hh: 56
-Alice encrypted 11 bytes for Bob:
-Pcpstreamoutbuf (0160): 05000000017842cd4e82f2ec585398765a2d0439197f5ce67984b22c4aa3d0f649929b21
-                        2d6d4b32538ce61e0cb3ed3a3f546fd214ece9c026febeb4f59c92338ab8d89496bb35a1
-                        a685abe4230101c0c69116fe04d552325c6722f2991df47631496253e8c6f27310e94852
-                        76c71f9f4cae4f22eb8f3e87b1898ff32131d88b19000000000000000000000000000000
-                        00000000000000000000000000000000
-Error: input file corrupted, incomplete or no recipients (got 53, exp 72)
-Error: Invalid argument
-*** Error in `tests/sample': double free or corruption (!prev): 0x0000000001893a30 ***
-Aborted
 
 
 If with -k passphrase has been retrieved interactively, ask

tests/sample.c

@@ -4,7 +4,7 @@ int main() {
   Buffer *inbuf;
   pcp_key_t *alice, *bob;
   pcp_pubkey_t *alicepub, *bobpub, *pubhash;
-  Pcpstream *clear_in, *crypt_out, *clear_out;
+  Pcpstream *clear_in, *crypt_out, *clear_out, *crypt_in;
   PCPCTX *ptx;
   char message[] = "hello world"; 
 
@@ -47,15 +47,18 @@ int main() {
   /* prepare the output buffer stream */
   clear_out =  ps_new_outbuffer();
 
+  /* input buffer stream from crypto output */
+  crypt_in = ps_new_inbuffer(ps_buffer(crypt_out));
+  
   /* in order for the decryptor find the senders public key,
      we need to put it into the context hash. this step can be
      omitted when using a Vault. */
   pcphash_add(ptx, alicepub, alicepub->type);
 
-  buffer_info(crypt_out->b);
+  buffer_info(crypt_in->b);
   
   /* try to decrypt the message */
-  if(pcp_decrypt_stream(ptx, crypt_out, clear_out, bob, NULL, 0, 0) == 0)
+  if(pcp_decrypt_stream(ptx, crypt_in, clear_out, bob, NULL, 0, 0) == 0)
     fatals_ifany(ptx);
   else {
     /* and finally print out the decrypted message */
@@ -64,6 +67,7 @@ int main() {
   }
 
   ps_close(clear_in);
+  ps_close(crypt_in);
   ps_close(crypt_out);
   ps_close(clear_out);