1 files changed, 0 insertions, 138 deletions
diff --git a/agent/pkdecrypt.c b/agent/pkdecrypt.c
deleted file mode 100644
index 543a82737..000000000
--- a/agent/pkdecrypt.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/* pkdecrypt.c - public key decryption (well, acually using a secret key)
- *	Copyright (C) 2001, 2003 Free Software Foundation, Inc.
- *
- * This file is part of GnuPG.
- *
- * GnuPG is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * GnuPG is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include <config.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <assert.h>
-#include <unistd.h>
-#include <sys/stat.h>
-
-#include "agent.h"
-
-
-/* DECRYPT the stuff in ciphertext which is expected to be a S-Exp.
-   Try to get the key from CTRL and write the decoded stuff back to
-   OUTFP. */
-int
-agent_pkdecrypt (CTRL ctrl, const char *ciphertext, size_t ciphertextlen,
-                 FILE *outfp) 
-{
-  gcry_sexp_t s_skey = NULL, s_cipher = NULL, s_plain = NULL;
-  unsigned char *shadow_info = NULL;
-  int rc;
-  char *buf = NULL;
-  size_t len;
-
-  if (!ctrl->have_keygrip)
-    {
-      log_error ("speculative decryption not yet supported\n");
-      rc = gpg_error (GPG_ERR_NO_SECKEY);
-      goto leave;
-    }
-
-  rc = gcry_sexp_sscan (&s_cipher, NULL, ciphertext, ciphertextlen);
-  if (rc)
-    {
-      log_error ("failed to convert ciphertext: %s\n", gpg_strerror (rc));
-      rc = gpg_error (GPG_ERR_INV_DATA);
-      goto leave;
-    }
-
-  if (DBG_CRYPTO)
-    {
-      log_printhex ("keygrip:", ctrl->keygrip, 20);
-      log_printhex ("cipher: ", ciphertext, ciphertextlen);
-    }
-  s_skey = agent_key_from_file (ctrl, ctrl->keygrip, &shadow_info, 0);
-  if (!s_skey && !shadow_info)
-    {
-      log_error ("failed to read the secret key\n");
-      rc = gpg_error (GPG_ERR_NO_SECKEY);
-      goto leave;
-    }
-
-  if (!s_skey)
-    { /* divert operation to the smartcard */
-
-      if (!gcry_sexp_canon_len (ciphertext, ciphertextlen, NULL, NULL))
-        {
-          rc = gpg_error (GPG_ERR_INV_SEXP);
-          goto leave;
-        }
-
-      rc = divert_pkdecrypt (ctrl, ciphertext, shadow_info, &buf, &len );
-      if (rc)
-        {
-          log_error ("smartcard decryption failed: %s\n", gpg_strerror (rc));
-          goto leave;
-        }
-      /* FIXME: don't use buffering and change the protocol to return
-         a complete S-expression and not just a part. */
-      fprintf (outfp, "%u:", (unsigned int)len);
-      fwrite (buf, 1, len, outfp);
-      putc (0, outfp);
-    }
-  else
-    { /* no smartcard, but a private key */
-      if (DBG_CRYPTO)
-        {
-          log_debug ("skey: ");
-          gcry_sexp_dump (s_skey);
-        }
-
-      rc = gcry_pk_decrypt (&s_plain, s_cipher, s_skey);
-      if (rc)
-        {
-          log_error ("decryption failed: %s\n", gpg_strerror (rc));
-          rc = map_gcry_err (rc);
-          goto leave;
-        }
-
-      if (DBG_CRYPTO)
-        {
-          log_debug ("plain: ");
-          gcry_sexp_dump (s_plain);
-        }
-      len = gcry_sexp_sprint (s_plain, GCRYSEXP_FMT_CANON, NULL, 0);
-      assert (len);
-      buf = xmalloc (len);
-      len = gcry_sexp_sprint (s_plain, GCRYSEXP_FMT_CANON, buf, len);
-      assert (len);
-      /* FIXME: we must make sure that no buffering takes place or we are
-         in full control of the buffer memory (easy to do) - should go
-         into assuan. */
-      fwrite (buf, 1, len, outfp);
-    }      
-
-
- leave:
-  gcry_sexp_release (s_skey);
-  gcry_sexp_release (s_plain);
-  gcry_sexp_release (s_cipher);
-  xfree (buf);
-  xfree (shadow_info);
-  return rc;
-}
-
-