Finish rename from prior commit

1 files changed, 1706 insertions, 0 deletions

diff --git a/libtdenetwork/libgpgme-copy/gpgme/gpgme.h b/libtdenetwork/libgpgme-copy/gpgme/gpgme.h
new file mode 100644
index 000000000..f6f31ae2a
--- /dev/null
+++ b/libtdenetwork/libgpgme-copy/gpgme/gpgme.h
@@ -0,0 +1,1706 @@
+/* gpgme.h - Public interface to GnuPG Made Easy.
+   Copyright (C) 2000 Werner Koch (dd9jn)
+   Copyright (C) 2001, 2002, 2003, 2004, 2005 g10 Code GmbH
+
+   This file is part of GPGME.
+ 
+   GPGME is free software; you can redistribute it and/or modify it
+   under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of
+   the License, or (at your option) any later version.
+   
+   GPGME 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
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#ifndef GPGME_H
+#define GPGME_H
+
+#ifdef __GNUC__
+#define _GPGME_INLINE __inline__
+#elif __STDC_VERSION__ >= 199901L
+#define _GPGME_INLINE inline
+#else
+#define _GPGME_INLINE
+#endif
+
+/* Include stdio.h for the FILE type definition.  */
+#include <stdio.h>
+
+#ifdef _MSC_VER
+  typedef long off_t;
+  typedef long ssize_t;
+#else
+# include <sys/types.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#if 0 /* just to make Emacs auto-indent happy */
+}
+#endif
+#endif /* __cplusplus */
+
+#include <gpg-error.h>
+
+
+/* Check for compiler features.  */
+#if __GNUC__
+#define _GPGME_GCC_VERSION (__GNUC__ * 10000 \
+                            + __GNUC_MINOR__ * 100 \
+                            + __GNUC_PATCHLEVEL__)
+
+#if _GPGME_GCC_VERSION > 30100
+#define _GPGME_DEPRECATED	__attribute__ ((__deprecated__))
+#endif
+#endif
+
+#ifndef _GPGME_DEPRECATED
+#define _GPGME_DEPRECATED
+#endif
+
+
+/* The version of this header should match the one of the library.  Do
+   not use this symbol in your application, use gpgme_check_version
+   instead.  The purpose of this macro is to let autoconf (using the
+   AM_PATH_GPGME macro) check that this header matches the installed
+   library.  Warning: Do not edit the next line.  configure will do
+   that for you!  */
+#define GPGME_VERSION "1.1.4"
+
+
+
+/* Some opaque data types used by GPGME.  */
+
+/* The context holds some global state and configration options, as
+   well as the results of a crypto operation.  */
+struct gpgme_context;
+typedef struct gpgme_context *gpgme_ctx_t;
+
+/* The data object is used by GPGME to exchange arbitrary data.  */
+struct gpgme_data;
+typedef struct gpgme_data *gpgme_data_t;
+
+
+/* Wrappers for the libgpg-error library.  */
+
+typedef gpg_error_t gpgme_error_t;
+typedef gpg_err_code_t gpgme_err_code_t;
+typedef gpg_err_source_t gpgme_err_source_t;
+
+
+static _GPGME_INLINE gpgme_error_t
+gpgme_err_make (gpgme_err_source_t source, gpgme_err_code_t code)
+{
+  return gpg_err_make (source, code);
+}
+
+
+/* The user can define GPGME_ERR_SOURCE_DEFAULT before including this
+   file to specify a default source for gpgme_error.  */
+#ifndef GPGME_ERR_SOURCE_DEFAULT
+#define GPGME_ERR_SOURCE_DEFAULT  GPG_ERR_SOURCE_USER_1
+#endif
+
+static _GPGME_INLINE gpgme_error_t
+gpgme_error (gpgme_err_code_t code)
+{
+  return gpgme_err_make (GPGME_ERR_SOURCE_DEFAULT, code);
+}
+
+
+static _GPGME_INLINE gpgme_err_code_t
+gpgme_err_code (gpgme_error_t err)
+{
+  return gpg_err_code (err);
+}
+
+
+static _GPGME_INLINE gpgme_err_source_t
+gpgme_err_source (gpgme_error_t err)
+{
+  return gpg_err_source (err);
+}
+
+
+/* Return a pointer to a string containing a description of the error
+   code in the error value ERR.  This function is not thread safe.  */
+const char *gpgme_strerror (gpgme_error_t err);
+
+/* Return the error string for ERR in the user-supplied buffer BUF of
+   size BUFLEN.  This function is, in contrast to gpg_strerror,
+   thread-safe if a thread-safe strerror_r() function is provided by
+   the system.  If the function succeeds, 0 is returned and BUF
+   contains the string describing the error.  If the buffer was not
+   large enough, ERANGE is returned and BUF contains as much of the
+   beginning of the error string as fits into the buffer.  */
+int gpgme_strerror_r (gpg_error_t err, char *buf, size_t buflen);
+
+
+/* Return a pointer to a string containing a description of the error
+   source in the error value ERR.  */
+const char *gpgme_strsource (gpgme_error_t err);
+
+
+/* Retrieve the error code for the system error ERR.  This returns
+   GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped (report
+   this).  */
+gpgme_err_code_t gpgme_err_code_from_errno (int err);
+
+
+/* Retrieve the system error for the error code CODE.  This returns 0
+   if CODE is not a system error code.  */
+int gpgme_err_code_to_errno (gpgme_err_code_t code);
+
+  
+/* Return an error value with the error source SOURCE and the system
+   error ERR.  */
+gpgme_error_t gpgme_err_make_from_errno (gpgme_err_source_t source, int err);
+
+
+/* Return an error value with the system error ERR.  */
+gpgme_err_code_t gpgme_error_from_errno (int err);
+
+
+/* The possible encoding mode of gpgme_data_t objects.  */
+typedef enum
+  {
+    GPGME_DATA_ENCODING_NONE   = 0,	/* Not specified.  */
+    GPGME_DATA_ENCODING_BINARY = 1,
+    GPGME_DATA_ENCODING_BASE64 = 2,
+    GPGME_DATA_ENCODING_ARMOR  = 3	/* Either PEM or OpenPGP Armor.  */
+  }
+gpgme_data_encoding_t;
+
+
+/* Public key algorithms from libgcrypt.  */
+typedef enum
+  {
+    GPGME_PK_RSA   = 1,
+    GPGME_PK_RSA_E = 2,
+    GPGME_PK_RSA_S = 3,
+    GPGME_PK_ELG_E = 16,
+    GPGME_PK_DSA   = 17,
+    GPGME_PK_ELG   = 20
+  }
+gpgme_pubkey_algo_t;
+
+
+/* Hash algorithms from libgcrypt.  */
+typedef enum
+  {
+    GPGME_MD_NONE          = 0,  
+    GPGME_MD_MD5           = 1,
+    GPGME_MD_SHA1          = 2,
+    GPGME_MD_RMD160        = 3,
+    GPGME_MD_MD2           = 5,
+    GPGME_MD_TIGER         = 6,   /* TIGER/192. */
+    GPGME_MD_HAVAL         = 7,   /* HAVAL, 5 pass, 160 bit. */
+    GPGME_MD_SHA256        = 8,
+    GPGME_MD_SHA384        = 9,
+    GPGME_MD_SHA512        = 10,
+    GPGME_MD_MD4           = 301,
+    GPGME_MD_CRC32	   = 302,
+    GPGME_MD_CRC32_RFC1510 = 303,
+    GPGME_MD_CRC24_RFC2440 = 304
+  }
+gpgme_hash_algo_t;
+
+
+/* The possible signature stati.  Deprecated, use error value in sig
+   status.  */
+typedef enum
+  {
+    GPGME_SIG_STAT_NONE  = 0,
+    GPGME_SIG_STAT_GOOD  = 1,
+    GPGME_SIG_STAT_BAD   = 2,
+    GPGME_SIG_STAT_NOKEY = 3,
+    GPGME_SIG_STAT_NOSIG = 4,
+    GPGME_SIG_STAT_ERROR = 5,
+    GPGME_SIG_STAT_DIFF  = 6,
+    GPGME_SIG_STAT_GOOD_EXP = 7,
+    GPGME_SIG_STAT_GOOD_EXPKEY = 8
+  }
+_gpgme_sig_stat_t;
+typedef _gpgme_sig_stat_t gpgme_sig_stat_t _GPGME_DEPRECATED;
+
+
+/* The available signature modes.  */
+typedef enum
+  {
+    GPGME_SIG_MODE_NORMAL = 0,
+    GPGME_SIG_MODE_DETACH = 1,
+    GPGME_SIG_MODE_CLEAR  = 2
+  }
+gpgme_sig_mode_t;
+
+
+/* The available key and signature attributes.  Deprecated, use the
+   individual result structures instead.  */
+typedef enum
+  {
+    GPGME_ATTR_KEYID        = 1,
+    GPGME_ATTR_FPR          = 2,
+    GPGME_ATTR_ALGO         = 3,
+    GPGME_ATTR_LEN          = 4,
+    GPGME_ATTR_CREATED      = 5,
+    GPGME_ATTR_EXPIRE       = 6,
+    GPGME_ATTR_OTRUST       = 7,
+    GPGME_ATTR_USERID       = 8,
+    GPGME_ATTR_NAME         = 9,
+    GPGME_ATTR_EMAIL        = 10,
+    GPGME_ATTR_COMMENT      = 11,
+    GPGME_ATTR_VALIDITY     = 12,
+    GPGME_ATTR_LEVEL        = 13,
+    GPGME_ATTR_TYPE         = 14,
+    GPGME_ATTR_IS_SECRET    = 15,
+    GPGME_ATTR_KEY_REVOKED  = 16,
+    GPGME_ATTR_KEY_INVALID  = 17,
+    GPGME_ATTR_UID_REVOKED  = 18,
+    GPGME_ATTR_UID_INVALID  = 19,
+    GPGME_ATTR_KEY_CAPS     = 20,
+    GPGME_ATTR_CAN_ENCRYPT  = 21,
+    GPGME_ATTR_CAN_SIGN     = 22,
+    GPGME_ATTR_CAN_CERTIFY  = 23,
+    GPGME_ATTR_KEY_EXPIRED  = 24,
+    GPGME_ATTR_KEY_DISABLED = 25,
+    GPGME_ATTR_SERIAL       = 26,
+    GPGME_ATTR_ISSUER       = 27,
+    GPGME_ATTR_CHAINID      = 28,
+    GPGME_ATTR_SIG_STATUS   = 29,
+    GPGME_ATTR_ERRTOK       = 30,
+    GPGME_ATTR_SIG_SUMMARY  = 31,
+    GPGME_ATTR_SIG_CLASS    = 32
+  }
+_gpgme_attr_t;
+typedef _gpgme_attr_t gpgme_attr_t _GPGME_DEPRECATED;
+
+
+/* The available validities for a trust item or key.  */
+typedef enum
+  {
+    GPGME_VALIDITY_UNKNOWN   = 0,
+    GPGME_VALIDITY_UNDEFINED = 1,
+    GPGME_VALIDITY_NEVER     = 2,
+    GPGME_VALIDITY_MARGINAL  = 3,
+    GPGME_VALIDITY_FULL      = 4,
+    GPGME_VALIDITY_ULTIMATE  = 5
+  }
+gpgme_validity_t;
+
+
+/* The available protocols.  */
+typedef enum
+  {
+    GPGME_PROTOCOL_OpenPGP = 0,  /* The default mode.  */
+    GPGME_PROTOCOL_CMS     = 1
+  }
+gpgme_protocol_t;
+
+
+/* The available keylist mode flags.  */
+#define GPGME_KEYLIST_MODE_LOCAL		1
+#define GPGME_KEYLIST_MODE_EXTERN		2
+#define GPGME_KEYLIST_MODE_SIGS			4
+#define GPGME_KEYLIST_MODE_SIG_NOTATIONS	8
+#define GPGME_KEYLIST_MODE_VALIDATE		256
+
+typedef unsigned int gpgme_keylist_mode_t;
+
+
+/* Signature notations.  */
+
+/* The available signature notation flags.  */
+#define GPGME_SIG_NOTATION_HUMAN_READABLE	1
+#define GPGME_SIG_NOTATION_CRITICAL		2
+
+typedef unsigned int gpgme_sig_notation_flags_t;
+
+struct _gpgme_sig_notation
+{
+  struct _gpgme_sig_notation *next;
+
+  /* If NAME is a null pointer, then VALUE contains a policy URL
+     rather than a notation.  */
+  char *name;
+
+  /* The value of the notation data.  */
+  char *value;
+
+  /* The length of the name of the notation data.  */
+  int name_len;
+
+  /* The length of the value of the notation data.  */
+  int value_len;
+
+  /* The accumulated flags.  */
+  gpgme_sig_notation_flags_t flags;
+
+  /* Notation data is human-readable.  */
+  unsigned int human_readable : 1;
+
+  /* Notation data is critical.  */
+  unsigned int critical : 1;
+
+  /* Internal to GPGME, do not use.  */
+  int _unused : 30;
+};
+typedef struct _gpgme_sig_notation *gpgme_sig_notation_t;
+
+
+/* The possible stati for the edit operation.  */
+typedef enum
+  {
+    GPGME_STATUS_EOF,
+    /* mkstatus processing starts here */
+    GPGME_STATUS_ENTER,
+    GPGME_STATUS_LEAVE,
+    GPGME_STATUS_ABORT,
+
+    GPGME_STATUS_GOODSIG,
+    GPGME_STATUS_BADSIG,
+    GPGME_STATUS_ERRSIG,
+
+    GPGME_STATUS_BADARMOR,
+
+    GPGME_STATUS_RSA_OR_IDEA,
+    GPGME_STATUS_KEYEXPIRED,
+    GPGME_STATUS_KEYREVOKED,
+
+    GPGME_STATUS_TRUST_UNDEFINED,
+    GPGME_STATUS_TRUST_NEVER,
+    GPGME_STATUS_TRUST_MARGINAL,
+    GPGME_STATUS_TRUST_FULLY,
+    GPGME_STATUS_TRUST_ULTIMATE,
+
+    GPGME_STATUS_SHM_INFO,
+    GPGME_STATUS_SHM_GET,
+    GPGME_STATUS_SHM_GET_BOOL,
+    GPGME_STATUS_SHM_GET_HIDDEN,
+
+    GPGME_STATUS_NEED_PASSPHRASE,
+    GPGME_STATUS_VALIDSIG,
+    GPGME_STATUS_SIG_ID,
+    GPGME_STATUS_ENC_TO,
+    GPGME_STATUS_NODATA,
+    GPGME_STATUS_BAD_PASSPHRASE,
+    GPGME_STATUS_NO_PUBKEY,
+    GPGME_STATUS_NO_SECKEY,
+    GPGME_STATUS_NEED_PASSPHRASE_SYM,
+    GPGME_STATUS_DECRYPTION_FAILED,
+    GPGME_STATUS_DECRYPTION_OKAY,
+    GPGME_STATUS_MISSING_PASSPHRASE,
+    GPGME_STATUS_GOOD_PASSPHRASE,
+    GPGME_STATUS_GOODMDC,
+    GPGME_STATUS_BADMDC,
+    GPGME_STATUS_ERRMDC,
+    GPGME_STATUS_IMPORTED,
+    GPGME_STATUS_IMPORT_OK,
+    GPGME_STATUS_IMPORT_PROBLEM,
+    GPGME_STATUS_IMPORT_RES,
+    GPGME_STATUS_FILE_START,
+    GPGME_STATUS_FILE_DONE,
+    GPGME_STATUS_FILE_ERROR,
+
+    GPGME_STATUS_BEGIN_DECRYPTION,
+    GPGME_STATUS_END_DECRYPTION,
+    GPGME_STATUS_BEGIN_ENCRYPTION,
+    GPGME_STATUS_END_ENCRYPTION,
+
+    GPGME_STATUS_DELETE_PROBLEM,
+    GPGME_STATUS_GET_BOOL,
+    GPGME_STATUS_GET_LINE,
+    GPGME_STATUS_GET_HIDDEN,
+    GPGME_STATUS_GOT_IT,
+    GPGME_STATUS_PROGRESS,
+    GPGME_STATUS_SIG_CREATED,
+    GPGME_STATUS_SESSION_KEY,
+    GPGME_STATUS_NOTATION_NAME,
+    GPGME_STATUS_NOTATION_DATA,
+    GPGME_STATUS_POLICY_URL,
+    GPGME_STATUS_BEGIN_STREAM,
+    GPGME_STATUS_END_STREAM,
+    GPGME_STATUS_KEY_CREATED,
+    GPGME_STATUS_USERID_HINT,
+    GPGME_STATUS_UNEXPECTED,
+    GPGME_STATUS_INV_RECP,
+    GPGME_STATUS_NO_RECP,
+    GPGME_STATUS_ALREADY_SIGNED,
+    GPGME_STATUS_SIGEXPIRED,
+    GPGME_STATUS_EXPSIG,
+    GPGME_STATUS_EXPKEYSIG,
+    GPGME_STATUS_TRUNCATED,
+    GPGME_STATUS_ERROR,
+    GPGME_STATUS_NEWSIG,
+    GPGME_STATUS_REVKEYSIG,
+    GPGME_STATUS_SIG_SUBPACKET,
+    GPGME_STATUS_NEED_PASSPHRASE_PIN,
+    GPGME_STATUS_SC_OP_FAILURE,
+    GPGME_STATUS_SC_OP_SUCCESS,
+    GPGME_STATUS_CARDCTRL,
+    GPGME_STATUS_BACKUP_KEY_CREATED,
+    GPGME_STATUS_PKA_TRUST_BAD,
+    GPGME_STATUS_PKA_TRUST_GOOD,
+
+    GPGME_STATUS_PLAINTEXT
+  }
+gpgme_status_code_t;
+
+
+/* The engine information structure.  */
+struct _gpgme_engine_info
+{
+  struct _gpgme_engine_info *next;
+
+  /* The protocol ID.  */
+  gpgme_protocol_t protocol;
+
+  /* The file name of the engine binary.  */
+  char *file_name;
+  
+  /* The version string of the installed engine.  */
+  char *version;
+
+  /* The minimum version required for GPGME.  */
+  const char *req_version;
+
+  /* The home directory used, or NULL if default.  */
+  char *home_dir;
+};
+typedef struct _gpgme_engine_info *gpgme_engine_info_t;
+
+
+/* A subkey from a key.  */
+struct _gpgme_subkey
+{
+  struct _gpgme_subkey *next;
+
+  /* True if subkey is revoked.  */
+  unsigned int revoked : 1;
+
+  /* True if subkey is expired.  */
+  unsigned int expired : 1;
+
+  /* True if subkey is disabled.  */
+  unsigned int disabled : 1;
+
+  /* True if subkey is invalid.  */
+  unsigned int invalid : 1;
+
+  /* True if subkey can be used for encryption.  */
+  unsigned int can_encrypt : 1;
+
+  /* True if subkey can be used for signing.  */
+  unsigned int can_sign : 1;
+
+  /* True if subkey can be used for certification.  */
+  unsigned int can_certify : 1;
+
+  /* True if subkey is secret.  */
+  unsigned int secret : 1;
+
+  /* True if subkey can be used for authentication.  */
+  unsigned int can_authenticate : 1;
+
+  /* True if subkey is qualified for signatures according to German law.  */
+  unsigned int is_qualified : 1;
+
+  /* Internal to GPGME, do not use.  */
+  unsigned int _unused : 22;
+  
+  /* Public key algorithm supported by this subkey.  */
+  gpgme_pubkey_algo_t pubkey_algo;
+
+  /* Length of the subkey.  */
+  unsigned int length;
+
+  /* The key ID of the subkey.  */
+  char *keyid;
+
+  /* Internal to GPGME, do not use.  */
+  char _keyid[16 + 1];
+
+  /* The fingerprint of the subkey in hex digit form.  */
+  char *fpr;
+
+  /* The creation timestamp, -1 if invalid, 0 if not available.  */
+  long int timestamp;
+
+  /* The expiration timestamp, 0 if the subkey does not expire.  */
+  long int expires;
+};
+typedef struct _gpgme_subkey *gpgme_subkey_t;
+
+
+/* A signature on a user ID.  */
+struct _gpgme_key_sig
+{
+  struct _gpgme_key_sig *next;
+
+  /* True if the signature is a revocation signature.  */
+  unsigned int revoked : 1;
+
+  /* True if the signature is expired.  */
+  unsigned int expired : 1;
+
+  /* True if the signature is invalid.  */
+  unsigned int invalid : 1;
+
+  /* True if the signature should be exported.  */
+  unsigned int exportable : 1;
+
+  /* Internal to GPGME, do not use.  */
+  unsigned int _unused : 28;
+
+  /* The public key algorithm used to create the signature.  */
+  gpgme_pubkey_algo_t pubkey_algo;
+
+  /* The key ID of key used to create the signature.  */
+  char *keyid;
+
+  /* Internal to GPGME, do not use.  */
+  char _keyid[16 + 1];
+
+  /* The creation timestamp, -1 if invalid, 0 if not available.  */
+  long int timestamp;
+
+  /* The expiration timestamp, 0 if the subkey does not expire.  */
+  long int expires;
+
+  /* Same as in gpgme_signature_t.  */
+  gpgme_error_t status;
+
+#ifdef __cplusplus
+  unsigned int _obsolete_class _GPGME_DEPRECATED;
+#else
+  /* Must be set to SIG_CLASS below.  */
+  unsigned int class _GPGME_DEPRECATED;
+#endif
+
+  /* The user ID string.  */
+  char *uid;
+
+  /* The name part of the user ID.  */
+  char *name;
+
+  /* The email part of the user ID.  */
+  char *email;
+
+  /* The comment part of the user ID.  */
+  char *comment;
+
+  /* Crypto backend specific signature class.  */
+  unsigned int sig_class;
+
+  /* Notation data and policy URLs.  */
+  gpgme_sig_notation_t notations;
+
+  /* Internal to GPGME, do not use.  */
+  gpgme_sig_notation_t _last_notation;
+};
+typedef struct _gpgme_key_sig *gpgme_key_sig_t;
+
+
+/* An user ID from a key.  */
+struct _gpgme_user_id
+{
+  struct _gpgme_user_id *next;
+
+  /* True if the user ID is revoked.  */
+  unsigned int revoked : 1;
+
+  /* True if the user ID is invalid.  */
+  unsigned int invalid : 1;
+
+  /* Internal to GPGME, do not use.  */
+  unsigned int _unused : 30;
+
+  /* The validity of the user ID.  */
+  gpgme_validity_t validity; 
+
+  /* The user ID string.  */
+  char *uid;
+
+  /* The name part of the user ID.  */
+  char *name;
+
+  /* The email part of the user ID.  */
+  char *email;
+
+  /* The comment part of the user ID.  */
+  char *comment;
+
+  /* The signatures of the user ID.  */
+  gpgme_key_sig_t signatures;
+
+  /* Internal to GPGME, do not use.  */
+  gpgme_key_sig_t _last_keysig;
+};
+typedef struct _gpgme_user_id *gpgme_user_id_t;
+
+
+/* A key from the keyring.  */
+struct _gpgme_key
+{
+  /* Internal to GPGME, do not use.  */
+  unsigned int _refs;
+
+  /* True if key is revoked.  */
+  unsigned int revoked : 1;
+
+  /* True if key is expired.  */
+  unsigned int expired : 1;
+
+  /* True if key is disabled.  */
+  unsigned int disabled : 1;
+
+  /* True if key is invalid.  */
+  unsigned int invalid : 1;
+
+  /* True if key can be used for encryption.  */
+  unsigned int can_encrypt : 1;
+
+  /* True if key can be used for signing.  */
+  unsigned int can_sign : 1;
+
+  /* True if key can be used for certification.  */
+  unsigned int can_certify : 1;
+
+  /* True if key is secret.  */
+  unsigned int secret : 1;
+
+  /* True if key can be used for authentication.  */
+  unsigned int can_authenticate : 1;
+
+  /* True if subkey is qualified for signatures according to German law.  */
+  unsigned int is_qualified : 1;
+
+  /* Internal to GPGME, do not use.  */
+  unsigned int _unused : 22;
+
+  /* This is the protocol supported by this key.  */
+  gpgme_protocol_t protocol;
+
+  /* If protocol is GPGME_PROTOCOL_CMS, this string contains the
+     issuer serial.  */
+  char *issuer_serial;
+
+  /* If protocol is GPGME_PROTOCOL_CMS, this string contains the
+     issuer name.  */
+  char *issuer_name;
+
+  /* If protocol is GPGME_PROTOCOL_CMS, this string contains the chain
+     ID.  */
+  char *chain_id;
+
+  /* If protocol is GPGME_PROTOCOL_OpenPGP, this field contains the
+     owner trust.  */
+  gpgme_validity_t owner_trust;
+
+  /* The subkeys of the key.  */
+  gpgme_subkey_t subkeys;
+
+  /* The user IDs of the key.  */
+  gpgme_user_id_t uids;
+
+  /* Internal to GPGME, do not use.  */
+  gpgme_subkey_t _last_subkey;
+
+  /* Internal to GPGME, do not use.  */
+  gpgme_user_id_t _last_uid;
+
+  /* The keylist mode that was active when listing the key.  */
+  gpgme_keylist_mode_t keylist_mode;
+};
+typedef struct _gpgme_key *gpgme_key_t;
+
+
+
+/* Types for callback functions.  */
+
+/* Request a passphrase from the user.  */
+typedef gpgme_error_t (*gpgme_passphrase_cb_t) (void *hook,
+						const char *uid_hint,
+						const char *passphrase_info,
+						int prev_was_bad, int fd);
+
+/* Inform the user about progress made.  */
+typedef void (*gpgme_progress_cb_t) (void *opaque, const char *what,
+				     int type, int current, int total);
+
+/* Interact with the user about an edit operation.  */
+typedef gpgme_error_t (*gpgme_edit_cb_t) (void *opaque,
+					  gpgme_status_code_t status,
+					  const char *args, int fd);
+
+
+/* Context management functions.  */
+
+/* Create a new context and return it in CTX.  */
+gpgme_error_t gpgme_new (gpgme_ctx_t *ctx);
+
+/* Release the context CTX.  */
+void gpgme_release (gpgme_ctx_t ctx);
+
+/* Set the protocol to be used by CTX to PROTO.  */
+gpgme_error_t gpgme_set_protocol (gpgme_ctx_t ctx, gpgme_protocol_t proto);
+
+/* Get the protocol used with CTX */
+gpgme_protocol_t gpgme_get_protocol (gpgme_ctx_t ctx);
+
+/* Get the string describing protocol PROTO, or NULL if invalid.  */
+const char *gpgme_get_protocol_name (gpgme_protocol_t proto);
+
+/* If YES is non-zero, enable armor mode in CTX, disable it otherwise.  */
+void gpgme_set_armor (gpgme_ctx_t ctx, int yes);
+
+/* Return non-zero if armor mode is set in CTX.  */
+int gpgme_get_armor (gpgme_ctx_t ctx);
+
+/* If YES is non-zero, enable text mode in CTX, disable it otherwise.  */
+void gpgme_set_textmode (gpgme_ctx_t ctx, int yes);
+
+/* Return non-zero if text mode is set in CTX.  */
+int gpgme_get_textmode (gpgme_ctx_t ctx);
+
+/* Use whatever the default of the backend crypto engine is.  */
+#define GPGME_INCLUDE_CERTS_DEFAULT	-256
+
+/* Include up to NR_OF_CERTS certificates in an S/MIME message.  */
+void gpgme_set_include_certs (gpgme_ctx_t ctx, int nr_of_certs);
+
+/* Return the number of certs to include in an S/MIME message.  */
+int gpgme_get_include_certs (gpgme_ctx_t ctx);
+
+/* Set keylist mode in CTX to MODE.  */
+gpgme_error_t gpgme_set_keylist_mode (gpgme_ctx_t ctx,
+				      gpgme_keylist_mode_t mode);
+
+/* Get keylist mode in CTX.  */
+gpgme_keylist_mode_t gpgme_get_keylist_mode (gpgme_ctx_t ctx);
+
+/* Set the passphrase callback function in CTX to CB.  HOOK_VALUE is
+   passed as first argument to the passphrase callback function.  */
+void gpgme_set_passphrase_cb (gpgme_ctx_t ctx,
+                              gpgme_passphrase_cb_t cb, void *hook_value);
+
+/* Get the current passphrase callback function in *CB and the current
+   hook value in *HOOK_VALUE.  */
+void gpgme_get_passphrase_cb (gpgme_ctx_t ctx, gpgme_passphrase_cb_t *cb,
+			      void **hook_value);
+
+/* Set the progress callback function in CTX to CB.  HOOK_VALUE is
+   passed as first argument to the progress callback function.  */
+void gpgme_set_progress_cb (gpgme_ctx_t c, gpgme_progress_cb_t cb,
+			    void *hook_value);
+
+/* Get the current progress callback function in *CB and the current
+   hook value in *HOOK_VALUE.  */
+void gpgme_get_progress_cb (gpgme_ctx_t ctx, gpgme_progress_cb_t *cb,
+			    void **hook_value);
+
+/* This function sets the locale for the context CTX, or the default
+   locale if CTX is a null pointer.  */
+gpgme_error_t gpgme_set_locale (gpgme_ctx_t ctx, int category,
+				const char *value);
+
+/* Get the information about the configured engines.  A pointer to the
+   first engine in the statically allocated linked list is returned.
+   The returned data is valid until the next gpgme_ctx_set_engine_info.  */
+gpgme_engine_info_t gpgme_ctx_get_engine_info (gpgme_ctx_t ctx);
+
+/* Set the engine info for the context CTX, protocol PROTO, to the
+   file name FILE_NAME and the home directory HOME_DIR.  */
+gpgme_error_t gpgme_ctx_set_engine_info (gpgme_ctx_t ctx,
+					 gpgme_protocol_t proto,
+					 const char *file_name,
+					 const char *home_dir);
+
+
+/* Return a statically allocated string with the name of the public
+   key algorithm ALGO, or NULL if that name is not known.  */
+const char *gpgme_pubkey_algo_name (gpgme_pubkey_algo_t algo);
+
+/* Return a statically allocated string with the name of the hash
+   algorithm ALGO, or NULL if that name is not known.  */
+const char *gpgme_hash_algo_name (gpgme_hash_algo_t algo);
+
+
+/* Delete all signers from CTX.  */
+void gpgme_signers_clear (gpgme_ctx_t ctx);
+
+/* Add KEY to list of signers in CTX.  */
+gpgme_error_t gpgme_signers_add (gpgme_ctx_t ctx, const gpgme_key_t key);
+
+/* Return the SETQth signer's key in CTX.  */
+gpgme_key_t gpgme_signers_enum (const gpgme_ctx_t ctx, int seq);
+
+/* Retrieve the signature status of signature IDX in CTX after a
+   successful verify operation in R_STAT (if non-null).  The creation
+   time stamp of the signature is returned in R_CREATED (if non-null).
+   The function returns a string containing the fingerprint.
+   Deprecated, use verify result directly.  */
+const char *gpgme_get_sig_status (gpgme_ctx_t ctx, int idx,
+                                  _gpgme_sig_stat_t *r_stat,
+				  time_t *r_created) _GPGME_DEPRECATED;
+
+/* Retrieve certain attributes of a signature.  IDX is the index
+   number of the signature after a successful verify operation.  WHAT
+   is an attribute where GPGME_ATTR_EXPIRE is probably the most useful
+   one.  WHATIDX is to be passed as 0 for most attributes . */
+unsigned long gpgme_get_sig_ulong_attr (gpgme_ctx_t c, int idx,
+                                        _gpgme_attr_t what, int whatidx)
+     _GPGME_DEPRECATED;
+const char *gpgme_get_sig_string_attr (gpgme_ctx_t c, int idx,
+				       _gpgme_attr_t what, int whatidx)
+     _GPGME_DEPRECATED;
+
+
+/* Get the key used to create signature IDX in CTX and return it in
+   R_KEY.  */
+gpgme_error_t gpgme_get_sig_key (gpgme_ctx_t ctx, int idx, gpgme_key_t *r_key)
+     _GPGME_DEPRECATED;
+
+
+/* Clear all notation data from the context.  */
+void gpgme_sig_notation_clear (gpgme_ctx_t ctx);
+
+/* Add the human-readable notation data with name NAME and value VALUE
+   to the context CTX, using the flags FLAGS.  If NAME is NULL, then
+   VALUE should be a policy URL.  The flag
+   GPGME_SIG_NOTATION_HUMAN_READABLE is forced to be true for notation
+   data, and false for policy URLs.  */
+gpgme_error_t gpgme_sig_notation_add (gpgme_ctx_t ctx, const char *name,
+				      const char *value,
+				      gpgme_sig_notation_flags_t flags);
+
+/* Get the sig notations for this context.  */
+gpgme_sig_notation_t gpgme_sig_notation_get (gpgme_ctx_t ctx);
+
+
+/* Run control.  */
+
+/* The type of an I/O callback function.  */
+typedef gpgme_error_t (*gpgme_io_cb_t) (void *data, int fd);
+
+/* The type of a function that can register FNC as the I/O callback
+   function for the file descriptor FD with direction dir (0: for writing,
+   1: for reading).  FNC_DATA should be passed as DATA to FNC.  The
+   function should return a TAG suitable for the corresponding
+   gpgme_remove_io_cb_t, and an error value.  */
+typedef gpgme_error_t (*gpgme_register_io_cb_t) (void *data, int fd, int dir,
+						 gpgme_io_cb_t fnc,
+						 void *fnc_data, void **tag);
+
+/* The type of a function that can remove a previously registered I/O
+   callback function given TAG as returned by the register
+   function.  */
+typedef void (*gpgme_remove_io_cb_t) (void *tag);
+
+typedef enum
+  {
+    GPGME_EVENT_START,
+    GPGME_EVENT_DONE,
+    GPGME_EVENT_NEXT_KEY,
+    GPGME_EVENT_NEXT_TRUSTITEM
+  }
+gpgme_event_io_t;
+
+/* The type of a function that is called when a context finished an
+   operation.  */
+typedef void (*gpgme_event_io_cb_t) (void *data, gpgme_event_io_t type,
+				     void *type_data);
+
+struct gpgme_io_cbs
+{
+  gpgme_register_io_cb_t add;
+  void *add_priv;
+  gpgme_remove_io_cb_t remove;
+  gpgme_event_io_cb_t event;
+  void *event_priv;
+};
+typedef struct gpgme_io_cbs *gpgme_io_cbs_t;
+
+/* Set the I/O callback functions in CTX to IO_CBS.  */
+void gpgme_set_io_cbs (gpgme_ctx_t ctx, gpgme_io_cbs_t io_cbs);
+
+/* Get the current I/O callback functions.  */
+void gpgme_get_io_cbs (gpgme_ctx_t ctx, gpgme_io_cbs_t io_cbs);
+
+/* Process the pending operation and, if HANG is non-zero, wait for
+   the pending operation to finish.  */
+gpgme_ctx_t gpgme_wait (gpgme_ctx_t ctx, gpgme_error_t *status, int hang);
+
+
+/* Functions to handle data objects.  */
+
+/* Read up to SIZE bytes into buffer BUFFER from the data object with
+   the handle HANDLE.  Return the number of characters read, 0 on EOF
+   and -1 on error.  If an error occurs, errno is set.  */
+typedef ssize_t (*gpgme_data_read_cb_t) (void *handle, void *buffer,
+					 size_t size);
+
+/* Write up to SIZE bytes from buffer BUFFER to the data object with
+   the handle HANDLE.  Return the number of characters written, or -1
+   on error.  If an error occurs, errno is set.  */
+typedef ssize_t (*gpgme_data_write_cb_t) (void *handle, const void *buffer,
+					  size_t size);
+
+/* Set the current position from where the next read or write starts
+   in the data object with the handle HANDLE to OFFSET, relativ to
+   WHENCE.  */
+typedef off_t (*gpgme_data_seek_cb_t) (void *handle, off_t offset, int whence);
+
+/* Close the data object with the handle DL.  */
+typedef void (*gpgme_data_release_cb_t) (void *handle);
+
+struct gpgme_data_cbs
+{
+  gpgme_data_read_cb_t read;
+  gpgme_data_write_cb_t write;
+  gpgme_data_seek_cb_t seek;
+  gpgme_data_release_cb_t release;
+};
+typedef struct gpgme_data_cbs *gpgme_data_cbs_t;
+
+/* Read up to SIZE bytes into buffer BUFFER from the data object with
+   the handle DH.  Return the number of characters read, 0 on EOF and
+   -1 on error.  If an error occurs, errno is set.  */
+ssize_t gpgme_data_read (gpgme_data_t dh, void *buffer, size_t size);
+
+/* Write up to SIZE bytes from buffer BUFFER to the data object with
+   the handle DH.  Return the number of characters written, or -1 on
+   error.  If an error occurs, errno is set.  */
+ssize_t gpgme_data_write (gpgme_data_t dh, const void *buffer, size_t size);
+
+/* Set the current position from where the next read or write starts
+   in the data object with the handle DH to OFFSET, relativ to
+   WHENCE.  */
+off_t gpgme_data_seek (gpgme_data_t dh, off_t offset, int whence);
+
+/* Create a new data buffer and return it in R_DH.  */
+gpgme_error_t gpgme_data_new (gpgme_data_t *r_dh);
+
+/* Destroy the data buffer DH.  */
+void gpgme_data_release (gpgme_data_t dh);
+
+/* Create a new data buffer filled with SIZE bytes starting from
+   BUFFER.  If COPY is zero, copying is delayed until necessary, and
+   the data is taken from the original location when needed.  */
+gpgme_error_t gpgme_data_new_from_mem (gpgme_data_t *r_dh,
+				       const char *buffer, size_t size,
+				       int copy);
+
+/* Destroy the data buffer DH and return a pointer to its content.
+   The memory has be to released with gpgme_free() by the user.  It's
+   size is returned in R_LEN.  */
+char *gpgme_data_release_and_get_mem (gpgme_data_t dh, size_t *r_len);
+
+/* Release the memory returned by gpgme_data_release_and_get_mem().  */
+void gpgme_free (void *buffer);
+
+gpgme_error_t gpgme_data_new_from_cbs (gpgme_data_t *dh,
+				       gpgme_data_cbs_t cbs,
+				       void *handle);
+
+gpgme_error_t gpgme_data_new_from_fd (gpgme_data_t *dh, int fd);
+
+gpgme_error_t gpgme_data_new_from_stream (gpgme_data_t *dh, FILE *stream);
+
+/* Return the encoding attribute of the data buffer DH */
+gpgme_data_encoding_t gpgme_data_get_encoding (gpgme_data_t dh);
+
+/* Set the encoding attribute of data buffer DH to ENC */
+gpgme_error_t gpgme_data_set_encoding (gpgme_data_t dh,
+				       gpgme_data_encoding_t enc);
+
+/* Get the file name associated with the data object with handle DH, or
+   NULL if there is none.  */
+char *gpgme_data_get_file_name (gpgme_data_t dh);
+
+/* Set the file name associated with the data object with handle DH to
+   FILE_NAME.  */
+gpgme_error_t gpgme_data_set_file_name (gpgme_data_t dh,
+					const char *file_name);
+
+
+/* Create a new data buffer which retrieves the data from the callback
+   function READ_CB.  Deprecated, please use gpgme_data_new_from_cbs
+   instead.  */
+gpgme_error_t gpgme_data_new_with_read_cb (gpgme_data_t *r_dh,
+					   int (*read_cb) (void*,char *,
+							   size_t,size_t*),
+					   void *read_cb_value)
+     _GPGME_DEPRECATED;
+
+/* Create a new data buffer filled with the content of file FNAME.
+   COPY must be non-zero.  For delayed read, please use
+   gpgme_data_new_from_fd or gpgme_data_new_from stream instead.  */
+gpgme_error_t gpgme_data_new_from_file (gpgme_data_t *r_dh,
+					const char *fname,
+					int copy);
+
+/* Create a new data buffer filled with LENGTH bytes starting from
+   OFFSET within the file FNAME or stream FP (exactly one must be
+   non-zero).  */
+gpgme_error_t gpgme_data_new_from_filepart (gpgme_data_t *r_dh,
+					    const char *fname, FILE *fp,
+					    off_t offset, size_t length);
+
+/* Reset the read pointer in DH.  Deprecated, please use
+   gpgme_data_seek instead.  */
+gpgme_error_t gpgme_data_rewind (gpgme_data_t dh) _GPGME_DEPRECATED;
+
+
+/* Key and trust functions.  */
+
+/* Get the key with the fingerprint FPR from the crypto backend.  If
+   SECRET is true, get the secret key.  */
+gpgme_error_t gpgme_get_key (gpgme_ctx_t ctx, const char *fpr,
+			     gpgme_key_t *r_key, int secret);
+
+/* Acquire a reference to KEY.  */
+void gpgme_key_ref (gpgme_key_t key);
+
+/* Release a reference to KEY.  If this was the last one the key is
+   destroyed.  */
+void gpgme_key_unref (gpgme_key_t key);
+void gpgme_key_release (gpgme_key_t key);
+
+/* Return the value of the attribute WHAT of KEY, which has to be
+   representable by a string.  IDX specifies the sub key or user ID
+   for attributes related to sub keys or user IDs.  Deprecated, use
+   key structure directly instead. */
+const char *gpgme_key_get_string_attr (gpgme_key_t key, _gpgme_attr_t what,
+				       const void *reserved, int idx)
+     _GPGME_DEPRECATED;
+
+/* Return the value of the attribute WHAT of KEY, which has to be
+   representable by an unsigned integer.  IDX specifies the sub key or
+   user ID for attributes related to sub keys or user IDs.
+   Deprecated, use key structure directly instead.  */
+unsigned long gpgme_key_get_ulong_attr (gpgme_key_t key, _gpgme_attr_t what,
+					const void *reserved, int idx)
+     _GPGME_DEPRECATED;
+
+/* Return the value of the attribute WHAT of a signature on user ID
+   UID_IDX in KEY, which has to be representable by a string.  IDX
+   specifies the signature.  Deprecated, use key structure directly
+   instead.  */
+const char *gpgme_key_sig_get_string_attr (gpgme_key_t key, int uid_idx,
+					   _gpgme_attr_t what,
+					   const void *reserved, int idx)
+     _GPGME_DEPRECATED;
+
+/* Return the value of the attribute WHAT of a signature on user ID
+   UID_IDX in KEY, which has to be representable by an unsigned
+   integer string.  IDX specifies the signature.  Deprecated, use key
+   structure directly instead.  */
+unsigned long gpgme_key_sig_get_ulong_attr (gpgme_key_t key, int uid_idx,
+					    _gpgme_attr_t what,
+					    const void *reserved, int idx)
+     _GPGME_DEPRECATED;
+
+
+/* Crypto Operations.  */
+
+/* Cancel a pending asynchronous operation.  */
+gpgme_error_t gpgme_cancel (gpgme_ctx_t ctx);
+
+
+struct _gpgme_invalid_key
+{
+  struct _gpgme_invalid_key *next;
+  char *fpr;
+  gpgme_error_t reason;
+};
+typedef struct _gpgme_invalid_key *gpgme_invalid_key_t;
+
+
+/* Encryption.  */
+struct _gpgme_op_encrypt_result
+{
+  /* The list of invalid recipients.  */
+  gpgme_invalid_key_t invalid_recipients;
+};
+typedef struct _gpgme_op_encrypt_result *gpgme_encrypt_result_t;
+
+/* Retrieve a pointer to the result of the encrypt operation.  */
+gpgme_encrypt_result_t gpgme_op_encrypt_result (gpgme_ctx_t ctx);
+
+/* The valid encryption flags.  */
+typedef enum
+  {
+    GPGME_ENCRYPT_ALWAYS_TRUST = 1
+  }
+gpgme_encrypt_flags_t;
+
+/* Encrypt plaintext PLAIN within CTX for the recipients RECP and
+   store the resulting ciphertext in CIPHER.  */
+gpgme_error_t gpgme_op_encrypt_start (gpgme_ctx_t ctx, gpgme_key_t recp[],
+				      gpgme_encrypt_flags_t flags,
+				      gpgme_data_t plain, gpgme_data_t cipher);
+gpgme_error_t gpgme_op_encrypt (gpgme_ctx_t ctx, gpgme_key_t recp[],
+				gpgme_encrypt_flags_t flags,
+				gpgme_data_t plain, gpgme_data_t cipher);
+
+/* Encrypt plaintext PLAIN within CTX for the recipients RECP and
+   store the resulting ciphertext in CIPHER.  Also sign the ciphertext
+   with the signers in CTX.  */
+gpgme_error_t gpgme_op_encrypt_sign_start (gpgme_ctx_t ctx,
+					   gpgme_key_t recp[],
+					   gpgme_encrypt_flags_t flags,
+					   gpgme_data_t plain,
+					   gpgme_data_t cipher);
+gpgme_error_t gpgme_op_encrypt_sign (gpgme_ctx_t ctx, gpgme_key_t recp[],
+				     gpgme_encrypt_flags_t flags,
+				     gpgme_data_t plain, gpgme_data_t cipher);
+
+
+/* Decryption.  */
+
+struct _gpgme_recipient
+{
+  struct _gpgme_recipient *next;
+
+  /* The key ID of key for which the text was encrypted.  */
+  char *keyid;
+
+  /* Internal to GPGME, do not use.  */
+  char _keyid[16 + 1];
+
+  /* The public key algorithm of the recipient key.  */
+  gpgme_pubkey_algo_t pubkey_algo;
+
+  /* The status of the recipient.  */
+  gpgme_error_t status;
+};
+typedef struct _gpgme_recipient *gpgme_recipient_t;
+
+struct _gpgme_op_decrypt_result
+{
+  char *unsupported_algorithm;
+
+  /* Key should not have been used for encryption.  */
+  unsigned int wrong_key_usage : 1;
+
+  /* Internal to GPGME, do not use.  */
+  int _unused : 31;
+
+  gpgme_recipient_t recipients;
+
+  /* The original file name of the plaintext message, if
+     available.  */
+  char *file_name;
+};
+typedef struct _gpgme_op_decrypt_result *gpgme_decrypt_result_t;
+
+/* Retrieve a pointer to the result of the decrypt operation.  */
+gpgme_decrypt_result_t gpgme_op_decrypt_result (gpgme_ctx_t ctx);
+
+/* Decrypt ciphertext CIPHER within CTX and store the resulting
+   plaintext in PLAIN.  */
+gpgme_error_t gpgme_op_decrypt_start (gpgme_ctx_t ctx, gpgme_data_t cipher,
+				      gpgme_data_t plain);
+gpgme_error_t gpgme_op_decrypt (gpgme_ctx_t ctx,
+				gpgme_data_t cipher, gpgme_data_t plain);
+
+/* Decrypt ciphertext CIPHER and make a signature verification within
+   CTX and store the resulting plaintext in PLAIN.  */
+gpgme_error_t gpgme_op_decrypt_verify_start (gpgme_ctx_t ctx,
+					     gpgme_data_t cipher,
+					     gpgme_data_t plain);
+gpgme_error_t gpgme_op_decrypt_verify (gpgme_ctx_t ctx, gpgme_data_t cipher,
+				       gpgme_data_t plain);
+
+
+/* Signing.  */
+struct _gpgme_new_signature
+{
+  struct _gpgme_new_signature *next;
+
+  /* The type of the signature.  */
+  gpgme_sig_mode_t type;
+
+  /* The public key algorithm used to create the signature.  */
+  gpgme_pubkey_algo_t pubkey_algo;
+
+  /* The hash algorithm used to create the signature.  */
+  gpgme_hash_algo_t hash_algo;
+
+  /* Internal to GPGME, do not use.  Must be set to the same value as
+     CLASS below.  */
+  unsigned long _obsolete_class;
+
+  /* Signature creation time.  */
+  long int timestamp;
+
+  /* The fingerprint of the signature.  */
+  char *fpr;
+
+#ifdef __cplusplus
+  unsigned int _obsolete_class_2;
+#else
+  /* Must be set to SIG_CLASS below.  */
+  unsigned int class _GPGME_DEPRECATED;
+#endif
+
+  /* Crypto backend specific signature class.  */
+  unsigned int sig_class;
+};
+typedef struct _gpgme_new_signature *gpgme_new_signature_t;
+
+struct _gpgme_op_sign_result
+{
+  /* The list of invalid signers.  */
+  gpgme_invalid_key_t invalid_signers;
+  gpgme_new_signature_t signatures;
+};
+typedef struct _gpgme_op_sign_result *gpgme_sign_result_t;
+
+/* Retrieve a pointer to the result of the signing operation.  */
+gpgme_sign_result_t gpgme_op_sign_result (gpgme_ctx_t ctx);
+
+/* Sign the plaintext PLAIN and store the signature in SIG.  */
+gpgme_error_t gpgme_op_sign_start (gpgme_ctx_t ctx,
+				   gpgme_data_t plain, gpgme_data_t sig,
+				   gpgme_sig_mode_t mode);
+gpgme_error_t gpgme_op_sign (gpgme_ctx_t ctx,
+			     gpgme_data_t plain, gpgme_data_t sig,
+			     gpgme_sig_mode_t mode);
+
+
+/* Verify.  */
+
+/* Flags used for the SUMMARY field in a gpgme_signature_t.  */
+typedef enum
+  {
+    GPGME_SIGSUM_VALID       = 0x0001,  /* The signature is fully valid.  */
+    GPGME_SIGSUM_GREEN       = 0x0002,  /* The signature is good.  */
+    GPGME_SIGSUM_RED         = 0x0004,  /* The signature is bad.  */
+    GPGME_SIGSUM_KEY_REVOKED = 0x0010,  /* One key has been revoked.  */
+    GPGME_SIGSUM_KEY_EXPIRED = 0x0020,  /* One key has expired.  */
+    GPGME_SIGSUM_SIG_EXPIRED = 0x0040,  /* The signature has expired.  */
+    GPGME_SIGSUM_KEY_MISSING = 0x0080,  /* Can't verify: key missing.  */
+    GPGME_SIGSUM_CRL_MISSING = 0x0100,  /* CRL not available.  */
+    GPGME_SIGSUM_CRL_TOO_OLD = 0x0200,  /* Available CRL is too old.  */
+    GPGME_SIGSUM_BAD_POLICY  = 0x0400,  /* A policy was not met.  */
+    GPGME_SIGSUM_SYS_ERROR   = 0x0800   /* A system error occured.  */
+  }
+gpgme_sigsum_t;
+
+struct _gpgme_signature
+{
+  struct _gpgme_signature *next;
+
+  /* A summary of the signature status.  */
+  gpgme_sigsum_t summary;
+
+  /* The fingerprint or key ID of the signature.  */
+  char *fpr;
+
+  /* The status of the signature.  */
+  gpgme_error_t status;
+
+  /* Notation data and policy URLs.  */
+  gpgme_sig_notation_t notations;
+
+  /* Signature creation time.  */
+  unsigned long timestamp;
+
+  /* Signature exipration time or 0.  */
+  unsigned long exp_timestamp;
+
+  /* Key should not have been used for signing.  */
+  unsigned int wrong_key_usage : 1;
+
+  /* PKA status: 0 = not available, 1 = bad, 2 = okay, 3 = RFU. */
+  unsigned int pka_trust : 2;
+
+  /* Internal to GPGME, do not use.  */
+  int _unused : 29;
+
+  gpgme_validity_t validity;
+  gpgme_error_t validity_reason;
+
+  /* The public key algorithm used to create the signature.  */
+  gpgme_pubkey_algo_t pubkey_algo;
+
+  /* The hash algorithm used to create the signature.  */
+  gpgme_hash_algo_t hash_algo;
+
+  /* The mailbox from the PKA information or NULL. */
+  char *pka_address;
+};
+typedef struct _gpgme_signature *gpgme_signature_t;
+
+struct _gpgme_op_verify_result
+{
+  gpgme_signature_t signatures;
+
+  /* The original file name of the plaintext message, if
+     available.  */
+  char *file_name;
+};
+typedef struct _gpgme_op_verify_result *gpgme_verify_result_t;
+
+/* Retrieve a pointer to the result of the verify operation.  */
+gpgme_verify_result_t gpgme_op_verify_result (gpgme_ctx_t ctx);
+
+/* Verify within CTX that SIG is a valid signature for TEXT.  */
+gpgme_error_t gpgme_op_verify_start (gpgme_ctx_t ctx, gpgme_data_t sig,
+				     gpgme_data_t signed_text,
+				     gpgme_data_t plaintext);
+gpgme_error_t gpgme_op_verify (gpgme_ctx_t ctx, gpgme_data_t sig,
+			       gpgme_data_t signed_text,
+			       gpgme_data_t plaintext);
+
+
+/* Import.  */
+
+/* The key was new.  */
+#define GPGME_IMPORT_NEW	1
+
+/* The key contained new user IDs.  */
+#define GPGME_IMPORT_UID	2
+
+/* The key contained new signatures.  */
+#define GPGME_IMPORT_SIG	4
+
+/* The key contained new sub keys.  */
+#define GPGME_IMPORT_SUBKEY	8
+
+/* The key contained a secret key.  */
+#define GPGME_IMPORT_SECRET	16
+
+
+struct _gpgme_import_status
+{
+  struct _gpgme_import_status *next;
+
+  /* Fingerprint.  */
+  char *fpr;
+
+  /* If a problem occured, the reason why the key could not be
+     imported.  Otherwise GPGME_No_Error.  */
+  gpgme_error_t result;
+
+  /* The result of the import, the GPGME_IMPORT_* values bit-wise
+     ORed.  0 means the key was already known and no new components
+     have been added.  */
+  unsigned int status;
+};
+typedef struct _gpgme_import_status *gpgme_import_status_t;
+
+/* Import.  */
+struct _gpgme_op_import_result
+{
+  /* Number of considered keys.  */
+  int considered;
+
+  /* Keys without user ID.  */
+  int no_user_id;
+
+  /* Imported keys.  */
+  int imported;
+
+  /* Imported RSA keys.  */
+  int imported_rsa;
+
+  /* Unchanged keys.  */
+  int unchanged;
+
+  /* Number of new user ids.  */
+  int new_user_ids;
+
+  /* Number of new sub keys.  */
+  int new_sub_keys;
+
+  /* Number of new signatures.  */
+  int new_signatures;
+
+  /* Number of new revocations.  */
+  int new_revocations;
+
+  /* Number of secret keys read.  */
+  int secret_read;
+
+  /* Number of secret keys imported.  */
+  int secret_imported;
+
+  /* Number of secret keys unchanged.  */
+  int secret_unchanged;
+
+  /* Number of new keys skipped.  */
+  int skipped_new_keys;
+
+  /* Number of keys not imported.  */
+  int not_imported;
+
+  /* List of keys for which an import was attempted.  */
+  gpgme_import_status_t imports;
+};
+typedef struct _gpgme_op_import_result *gpgme_import_result_t;
+
+/* Retrieve a pointer to the result of the import operation.  */
+gpgme_import_result_t gpgme_op_import_result (gpgme_ctx_t ctx);
+
+/* Import the key in KEYDATA into the keyring.  */
+gpgme_error_t gpgme_op_import_start (gpgme_ctx_t ctx, gpgme_data_t keydata);
+gpgme_error_t gpgme_op_import (gpgme_ctx_t ctx, gpgme_data_t keydata);
+gpgme_error_t gpgme_op_import_ext (gpgme_ctx_t ctx, gpgme_data_t keydata,
+				   int *nr) _GPGME_DEPRECATED;
+
+
+/* Export the keys found by PATTERN into KEYDATA.  */
+gpgme_error_t gpgme_op_export_start (gpgme_ctx_t ctx, const char *pattern,
+				     unsigned int reserved,
+				     gpgme_data_t keydata);
+gpgme_error_t gpgme_op_export (gpgme_ctx_t ctx, const char *pattern,
+			       unsigned int reserved, gpgme_data_t keydata);
+
+gpgme_error_t gpgme_op_export_ext_start (gpgme_ctx_t ctx,
+					 const char *pattern[],
+					 unsigned int reserved,
+					 gpgme_data_t keydata);
+gpgme_error_t gpgme_op_export_ext (gpgme_ctx_t ctx, const char *pattern[],
+				   unsigned int reserved,
+				   gpgme_data_t keydata);
+
+
+/* Key generation.  */
+struct _gpgme_op_genkey_result
+{
+  /* A primary key was generated.  */
+  unsigned int primary : 1;
+
+  /* A sub key was generated.  */
+  unsigned int sub : 1;
+
+  /* Internal to GPGME, do not use.  */
+  unsigned int _unused : 30;
+
+  /* The fingerprint of the generated key.  */
+  char *fpr;
+};
+typedef struct _gpgme_op_genkey_result *gpgme_genkey_result_t;
+
+/* Generate a new keypair and add it to the keyring.  PUBKEY and
+   SECKEY should be null for now.  PARMS specifies what keys should be
+   generated.  */
+gpgme_error_t gpgme_op_genkey_start (gpgme_ctx_t ctx, const char *parms,
+				     gpgme_data_t pubkey, gpgme_data_t seckey);
+gpgme_error_t gpgme_op_genkey (gpgme_ctx_t ctx, const char *parms,
+			       gpgme_data_t pubkey, gpgme_data_t seckey);
+
+/* Retrieve a pointer to the result of the genkey operation.  */
+gpgme_genkey_result_t gpgme_op_genkey_result (gpgme_ctx_t ctx);
+
+
+/* Delete KEY from the keyring.  If ALLOW_SECRET is non-zero, secret
+   keys are also deleted.  */
+gpgme_error_t gpgme_op_delete_start (gpgme_ctx_t ctx, const gpgme_key_t key,
+				     int allow_secret);
+gpgme_error_t gpgme_op_delete (gpgme_ctx_t ctx, const gpgme_key_t key,
+			       int allow_secret);
+
+
+/* Edit the key KEY.  Send status and command requests to FNC and
+   output of edit commands to OUT.  */
+gpgme_error_t gpgme_op_edit_start (gpgme_ctx_t ctx, gpgme_key_t key,
+				   gpgme_edit_cb_t fnc, void *fnc_value,
+				   gpgme_data_t out);
+gpgme_error_t gpgme_op_edit (gpgme_ctx_t ctx, gpgme_key_t key,
+			     gpgme_edit_cb_t fnc, void *fnc_value,
+			     gpgme_data_t out);
+
+/* Edit the card for the key KEY.  Send status and command requests to
+   FNC and output of edit commands to OUT.  */
+gpgme_error_t gpgme_op_card_edit_start (gpgme_ctx_t ctx, gpgme_key_t key,
+					gpgme_edit_cb_t fnc, void *fnc_value,
+					gpgme_data_t out);
+gpgme_error_t gpgme_op_card_edit (gpgme_ctx_t ctx, gpgme_key_t key,
+				  gpgme_edit_cb_t fnc, void *fnc_value,
+				  gpgme_data_t out);
+
+
+/* Key management functions.  */
+struct _gpgme_op_keylist_result
+{
+  unsigned int truncated : 1;
+
+  /* Internal to GPGME, do not use.  */
+  unsigned int _unused : 31;
+};
+typedef struct _gpgme_op_keylist_result *gpgme_keylist_result_t;
+
+/* Retrieve a pointer to the result of the key listing operation.  */
+gpgme_keylist_result_t gpgme_op_keylist_result (gpgme_ctx_t ctx);
+
+/* Start a keylist operation within CTX, searching for keys which
+   match PATTERN.  If SECRET_ONLY is true, only secret keys are
+   returned.  */
+gpgme_error_t gpgme_op_keylist_start (gpgme_ctx_t ctx, const char *pattern,
+				      int secret_only);
+gpgme_error_t gpgme_op_keylist_ext_start (gpgme_ctx_t ctx,
+					  const char *pattern[],
+					  int secret_only, int reserved);
+
+/* Return the next key from the keylist in R_KEY.  */
+gpgme_error_t gpgme_op_keylist_next (gpgme_ctx_t ctx, gpgme_key_t *r_key);
+
+/* Terminate a pending keylist operation within CTX.  */
+gpgme_error_t gpgme_op_keylist_end (gpgme_ctx_t ctx);
+
+
+/* Trust items and operations.  */
+
+struct _gpgme_trust_item
+{
+  /* Internal to GPGME, do not use.  */
+  unsigned int _refs;
+
+  /* The key ID to which the trust item belongs.  */
+  char *keyid;
+
+  /* Internal to GPGME, do not use.  */
+  char _keyid[16 + 1];
+
+  /* The type of the trust item, 1 refers to a key, 2 to a user ID.  */
+  int type;
+
+  /* The trust level.  */
+  int level;
+
+  /* The owner trust if TYPE is 1.  */
+  char *owner_trust;
+
+  /* Internal to GPGME, do not use.  */
+  char _owner_trust[2];
+
+  /* The calculated validity.  */
+  char *validity;
+ 
+  /* Internal to GPGME, do not use.  */
+  char _validity[2];
+
+  /* The user name if TYPE is 2.  */
+  char *name;
+};
+typedef struct _gpgme_trust_item *gpgme_trust_item_t;
+
+/* Start a trustlist operation within CTX, searching for trust items
+   which match PATTERN.  */
+gpgme_error_t gpgme_op_trustlist_start (gpgme_ctx_t ctx,
+					const char *pattern, int max_level);
+
+/* Return the next trust item from the trustlist in R_ITEM.  */
+gpgme_error_t gpgme_op_trustlist_next (gpgme_ctx_t ctx,
+				       gpgme_trust_item_t *r_item);
+
+/* Terminate a pending trustlist operation within CTX.  */
+gpgme_error_t gpgme_op_trustlist_end (gpgme_ctx_t ctx);
+
+/* Acquire a reference to ITEM.  */
+void gpgme_trust_item_ref (gpgme_trust_item_t item);
+
+/* Release a reference to ITEM.  If this was the last one the trust
+   item is destroyed.  */
+void gpgme_trust_item_unref (gpgme_trust_item_t item);
+
+/* Release the trust item ITEM.  Deprecated, use
+   gpgme_trust_item_unref.  */
+void gpgme_trust_item_release (gpgme_trust_item_t item) _GPGME_DEPRECATED;
+
+/* Return the value of the attribute WHAT of ITEM, which has to be
+   representable by a string.  Deprecated, use trust item structure
+   directly.  */
+const char *gpgme_trust_item_get_string_attr (gpgme_trust_item_t item,
+					      _gpgme_attr_t what,
+					      const void *reserved, int idx)
+     _GPGME_DEPRECATED;
+
+/* Return the value of the attribute WHAT of KEY, which has to be
+   representable by an integer.  IDX specifies a running index if the
+   attribute appears more than once in the key.  Deprecated, use trust
+   item structure directly.  */
+int gpgme_trust_item_get_int_attr (gpgme_trust_item_t item, _gpgme_attr_t what,
+				   const void *reserved, int idx)
+     _GPGME_DEPRECATED;
+
+
+/* Various functions.  */
+
+/* Check that the library fulfills the version requirement.  */
+const char *gpgme_check_version (const char *req_version);
+
+/* Get the information about the configured and installed engines.  A
+   pointer to the first engine in the statically allocated linked list
+   is returned in *INFO.  If an error occurs, it is returned.  The
+   returned data is valid until the next gpgme_set_engine_info.  */
+gpgme_error_t gpgme_get_engine_info (gpgme_engine_info_t *engine_info);
+
+/* Set the default engine info for the protocol PROTO to the file name
+   FILE_NAME and the home directory HOME_DIR.  */
+gpgme_error_t gpgme_set_engine_info (gpgme_protocol_t proto,
+				     const char *file_name,
+				     const char *home_dir);
+
+
+/* Engine support functions.  */
+
+/* Verify that the engine implementing PROTO is installed and
+   available.  */
+gpgme_error_t gpgme_engine_check_version (gpgme_protocol_t proto);
+
+
+/* Deprecated types.  */
+typedef gpgme_ctx_t GpgmeCtx _GPGME_DEPRECATED;
+typedef gpgme_data_t GpgmeData _GPGME_DEPRECATED;
+typedef gpgme_error_t GpgmeError _GPGME_DEPRECATED;
+typedef gpgme_data_encoding_t GpgmeDataEncoding _GPGME_DEPRECATED;
+typedef gpgme_pubkey_algo_t GpgmePubKeyAlgo _GPGME_DEPRECATED;
+typedef gpgme_hash_algo_t GpgmeHashAlgo _GPGME_DEPRECATED;
+typedef gpgme_sig_stat_t GpgmeSigStat _GPGME_DEPRECATED;
+typedef gpgme_sig_mode_t GpgmeSigMode _GPGME_DEPRECATED;
+typedef gpgme_attr_t GpgmeAttr _GPGME_DEPRECATED;
+typedef gpgme_validity_t GpgmeValidity _GPGME_DEPRECATED;
+typedef gpgme_protocol_t GpgmeProtocol _GPGME_DEPRECATED;
+typedef gpgme_engine_info_t GpgmeEngineInfo _GPGME_DEPRECATED;
+typedef gpgme_subkey_t GpgmeSubkey _GPGME_DEPRECATED;
+typedef gpgme_key_sig_t GpgmeKeySig _GPGME_DEPRECATED;
+typedef gpgme_user_id_t GpgmeUserID _GPGME_DEPRECATED;
+typedef gpgme_key_t GpgmeKey _GPGME_DEPRECATED;
+typedef gpgme_passphrase_cb_t GpgmePassphraseCb _GPGME_DEPRECATED;
+typedef gpgme_progress_cb_t GpgmeProgressCb _GPGME_DEPRECATED;
+typedef gpgme_io_cb_t GpgmeIOCb _GPGME_DEPRECATED;
+typedef gpgme_register_io_cb_t GpgmeRegisterIOCb _GPGME_DEPRECATED;
+typedef gpgme_remove_io_cb_t GpgmeRemoveIOCb _GPGME_DEPRECATED;
+typedef gpgme_event_io_t GpgmeEventIO _GPGME_DEPRECATED;
+typedef gpgme_event_io_cb_t GpgmeEventIOCb _GPGME_DEPRECATED;
+#define GpgmeIOCbs gpgme_io_cbs
+typedef gpgme_data_read_cb_t GpgmeDataReadCb _GPGME_DEPRECATED;
+typedef gpgme_data_write_cb_t GpgmeDataWriteCb _GPGME_DEPRECATED;
+typedef gpgme_data_seek_cb_t GpgmeDataSeekCb _GPGME_DEPRECATED;
+typedef gpgme_data_release_cb_t GpgmeDataReleaseCb _GPGME_DEPRECATED;
+#define GpgmeDataCbs gpgme_data_cbs
+typedef gpgme_encrypt_result_t GpgmeEncryptResult _GPGME_DEPRECATED;
+typedef gpgme_sig_notation_t GpgmeSigNotation _GPGME_DEPRECATED;
+typedef	gpgme_signature_t GpgmeSignature _GPGME_DEPRECATED;
+typedef gpgme_verify_result_t GpgmeVerifyResult _GPGME_DEPRECATED;
+typedef gpgme_import_status_t GpgmeImportqStatus _GPGME_DEPRECATED;
+typedef gpgme_import_result_t GpgmeImportResult _GPGME_DEPRECATED;
+typedef gpgme_genkey_result_t GpgmeGenKeyResult _GPGME_DEPRECATED;
+typedef	gpgme_trust_item_t GpgmeTrustItem _GPGME_DEPRECATED;
+typedef gpgme_status_code_t GpgmeStatusCode _GPGME_DEPRECATED;
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* GPGME_H */