added anonymous sender key (-A) support

tests/sample.c

@@ -34,7 +34,7 @@ int main() {
 
   /* actually encrypt the message, don't sign it
      Alice is the sender, Bob is the recipient */
-  pcp_encrypt_stream(ptx, clear_in, crypt_out, alice, pubhash, 0);
+  pcp_encrypt_stream(ptx, clear_in, crypt_out, alice, pubhash, 0, 0);
 
   /* now, print the encrypted result */
   fprintf(stderr, "Alice encrypted %"FMT_SIZE_T" bytes for Bob:\n", (SIZE_T_CAST)strlen(message));
@@ -51,7 +51,7 @@ int main() {
   pcphash_add(ptx, alicepub, alicepub->type);
 
   /* try to decrypt the message */
-  if(pcp_decrypt_stream(ptx, crypt_out, clear_out, bob, NULL, 0) == 0)
+  if(pcp_decrypt_stream(ptx, crypt_out, clear_out, bob, NULL, 0, 0) == 0)
     fatals_ifany(ptx);
   else {
     /* and finally print out the decrypted message */

tests/unittests.cfg

@@ -182,6 +182,7 @@ temporarily disabled
   expect = /encrypted/
 </test>
 */
+
 #
 # encryption tests
 <test check-crypto-alicia-2-bobby>
@@ -202,12 +203,23 @@ temporarily disabled
     expect = /${idbobby} - Bobby/
   </test>
 
+  <test check-crypto-alicia-encrypt-anonymous>
+    cmd = $pcp -V va -e -A -i ${idbobby} -I testmessage -O testencryptedanon -x a
+    expect = /${idbobby} - Bobby/
+  </test>
+
   # bobbys part
   <test check-crypto-bobby-import-secret>
     cmd = $pcp -V vb -K -I key-bobby-sec -x b
     expect = /${idbobby}/
   </test>
 
+  <test check-crypto-bobby-decrypt-anonymous>
+    # decrypt anon, without knowing alicias key
+    cmd = $pcp -V vb -d -O testdecryptedanon -I testencryptedanon -x b
+    expect = /successfully/
+  </test>
+
   <test check-crypto-alicia-import-alicias-key>
     cmd = $pcp -V vb -K -I key-alicia-pub
     expect = /${idalicia}/
@@ -272,7 +284,7 @@ temporarily disabled
 
   <test check-vcl-crypto-unencrypted-secret-message>
     cmd     = echo HALLO | $pcp -V vcl -e -O testencrypted -i ${idbobby}
-    expect  = /success/
+    expect  = /Bobby/
   </test>
 
   <test check-vcl-crypto-unencrypted-secret-read>