Generating an OpenPGP key cia gpg-agent basically works.
[gnupg.git] / g10 / seckey-cert.c
index 9995aa4..fed9213 100644 (file)
@@ -260,214 +260,16 @@ do_check( PKT_secret_key *sk, const char *tryagain_text, int mode,
 
 
 /****************
- * Check the secret key
- * Ask up to 3 (or n) times for a correct passphrase
- * If n is negative, disable the key info prompt and make n=abs(n)
- */
-int
-check_secret_key( PKT_secret_key *sk, int n )
-{
-    int rc = gpg_error (GPG_ERR_BAD_PASSPHRASE);
-    int i,mode;
-
-    if (sk && sk->is_protected && sk->protect.s2k.mode == 1002)
-      return 0; /* Let the scdaemon handle this. */
-
-    if(n<0)
-      {
-       n=abs(n);
-       mode=1;
-      }
-    else
-      mode=0;
-
-    if( n < 1 )
-       n = 3; /* Use the default value */
-
-    for(i=0; i < n && gpg_err_code (rc) == GPG_ERR_BAD_PASSPHRASE; i++ ) {
-        int canceled = 0;
-        const char *tryagain = NULL;
-       if (i) {
-            tryagain = N_("Invalid passphrase; please try again");
-            log_info (_("%s ...\n"), _(tryagain));
-        }
-       rc = do_check( sk, tryagain, mode, &canceled );
-       if ( gpg_err_code (rc) == GPG_ERR_BAD_PASSPHRASE
-             && is_status_enabled () ) {
-           u32 kid[2];
-           char buf[50];
-
-           keyid_from_sk( sk, kid );
-           sprintf(buf, "%08lX%08lX", (ulong)kid[0], (ulong)kid[1]);
-           write_status_text( STATUS_BAD_PASSPHRASE, buf );
-       }
-       if( have_static_passphrase() || canceled)
-           break;
-    }
-
-    if( !rc )
-       write_status( STATUS_GOOD_PASSPHRASE );
-
-    return rc;
-}
-
-/****************
  * check whether the secret key is protected.
  * Returns: 0 not protected, -1 on error or the protection algorithm
  *                           -2 indicates a card stub.
  *                           -3 indicates a not-online stub.
  */
 int
-is_secret_key_protected( PKT_secret_key *sk )
+is_secret_key_protected (PKT_public_key *pk)
 {
-    return sk->is_protected?
-               sk->protect.s2k.mode == 1002? -2 :
-               sk->protect.s2k.mode == 1001? -3 : sk->protect.algo : 0;
-}
-
-
-
-/****************
- * Protect the secret key with the passphrase from DEK
- */
-int
-protect_secret_key( PKT_secret_key *sk, DEK *dek )
-{
-    int i,j, rc = 0;
-    byte *buffer;
-    size_t nbytes;
-    u16 csum;
-
-    if( !dek )
-       return 0;
-
-    if( !sk->is_protected ) { /* okay, apply the protection */
-       gcry_cipher_hd_t cipher_hd=NULL;
-
-       if ( openpgp_cipher_test_algo ( sk->protect.algo ) ) {
-            /* Unsupport protection algorithm. */
-            rc = gpg_error (GPG_ERR_CIPHER_ALGO); 
-        }
-       else {
-           print_cipher_algo_note( sk->protect.algo );
-           
-           if ( openpgp_cipher_open (&cipher_hd, sk->protect.algo,
-                                     GCRY_CIPHER_MODE_CFB,
-                                     (GCRY_CIPHER_SECURE
-                                      | (sk->protect.algo >= 100 ?
-                                         0 : GCRY_CIPHER_ENABLE_SYNC))) )
-              BUG();
-           if ( gcry_cipher_setkey ( cipher_hd, dek->key, dek->keylen ) )
-               log_info(_("WARNING: Weak key detected"
-                          " - please change passphrase again.\n"));
-           sk->protect.ivlen = openpgp_cipher_get_algo_blklen (sk->protect.algo);
-           assert( sk->protect.ivlen <= DIM(sk->protect.iv) );
-           if( sk->protect.ivlen != 8 && sk->protect.ivlen != 16 )
-               BUG(); /* yes, we are very careful */
-           gcry_create_nonce (sk->protect.iv, sk->protect.ivlen);
-           gcry_cipher_setiv (cipher_hd, sk->protect.iv, sk->protect.ivlen);
-           if( sk->version >= 4 ) {
-                byte *bufarr[PUBKEY_MAX_NSKEY];
-               size_t narr[PUBKEY_MAX_NSKEY];
-               unsigned int nbits[PUBKEY_MAX_NSKEY];
-               int ndata=0;
-               byte *p, *data;
-
-               for (j=0, i = pubkey_get_npkey(sk->pubkey_algo);
-                       i < pubkey_get_nskey(sk->pubkey_algo); i++, j++ )
-                  {
-                   assert (!gcry_mpi_get_flag (sk->skey[i],
-                                                GCRYMPI_FLAG_OPAQUE));
-                   if (gcry_mpi_aprint (GCRYMPI_FMT_USG, bufarr+j,
-                                         narr+j, sk->skey[i]))
-                      BUG();
-                   nbits[j] = gcry_mpi_get_nbits (sk->skey[i]);
-                   ndata += narr[j] + 2;
-                  }
-               for ( ; j < PUBKEY_MAX_NSKEY; j++ )
-                  bufarr[j] = NULL;
-
-               ndata += opt.simple_sk_checksum? 2 : 20; /* for checksum */
-
-               data = xmalloc_secure( ndata );
-               p = data;
-               for(j=0; j < PUBKEY_MAX_NSKEY && bufarr[j]; j++ ) {
-                   p[0] = nbits[j] >> 8 ;
-                   p[1] = nbits[j];
-                   p += 2;
-                   memcpy(p, bufarr[j], narr[j] );
-                   p += narr[j];
-                   xfree(bufarr[j]);
-               }
-                
-                if (opt.simple_sk_checksum) {
-                    log_info (_("generating the deprecated 16-bit checksum"
-                              " for secret key protection\n")); 
-                    csum = checksum( data, ndata-2);
-                    sk->csum = csum;
-                    *p++ =     csum >> 8;
-                    *p++ =     csum;
-                    sk->protect.sha1chk = 0;
-                }
-                else {
-                    gcry_md_hd_t h;
-
-                    if (gcry_md_open (&h, GCRY_MD_SHA1, 1))
-                      BUG(); /* Algo not available. */
-                    gcry_md_write (h, data, ndata - 20);
-                    gcry_md_final (h);
-                    memcpy (p, gcry_md_read (h, DIGEST_ALGO_SHA1), 20);
-                    p += 20;
-                    gcry_md_close (h);
-                    sk->csum = csum = 0;
-                    sk->protect.sha1chk = 1;
-                }
-                assert( p == data+ndata );
-
-               gcry_cipher_encrypt (cipher_hd, data, ndata, NULL, 0);
-               for (i = pubkey_get_npkey(sk->pubkey_algo);
-                     i < pubkey_get_nskey(sk->pubkey_algo); i++ )
-                  {
-                   gcry_mpi_release (sk->skey[i]);
-                   sk->skey[i] = NULL;
-                  }
-               i = pubkey_get_npkey(sk->pubkey_algo);
-               sk->skey[i] = gcry_mpi_set_opaque (NULL, data, ndata*8 );
-           }
-           else {
-               csum = 0;
-               for(i=pubkey_get_npkey(sk->pubkey_algo);
-                       i < pubkey_get_nskey(sk->pubkey_algo); i++ ) {
-                    byte *data;
-                   unsigned int nbits;
-
-                   csum += checksum_mpi (sk->skey[i]);
-
-                   if (gcry_mpi_aprint (GCRYMPI_FMT_USG, &buffer,
-                                         &nbytes, sk->skey[i] ))
-                      BUG();
-                   gcry_cipher_sync (cipher_hd);
-                   assert (!gcry_mpi_get_flag (sk->skey[i],
-                                                GCRYMPI_FLAG_OPAQUE));
-
-                    data = xmalloc (nbytes+2);  /* fixme: need xtrymalloc. */
-                    nbits = gcry_mpi_get_nbits (sk->skey[i]);
-                    assert (nbytes == (nbits + 7)/8);
-                    data[0] = nbits >> 8;
-                    data[1] = nbits;
-                   gcry_cipher_encrypt (cipher_hd, data+2, nbytes,
-                                         buffer, nbytes);
-                   xfree( buffer );
-                    
-                    gcry_mpi_release (sk->skey[i]);
-                    sk->skey[i] = gcry_mpi_set_opaque (NULL,
-                                                       data, (nbytes+2)*8 );
-               }
-               sk->csum = csum;
-           }
-           sk->is_protected = 1;
-           gcry_cipher_close (cipher_hd);
-       }
-    }
-    return rc;
+  return 0; /* FIXME:  use agent_get_keyinfo?*/
+    /* return sk->is_protected? */
+    /*            sk->protect.s2k.mode == 1002? -2 : */
+    /*            sk->protect.s2k.mode == 1001? -3 : sk->protect.algo : 0; */
 }