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/* call-agent.h - Divert operations to the agent
* Copyright (C) 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#ifndef GNUPG_G10_CALL_AGENT_H
#define GNUPG_G10_CALL_AGENT_H
struct agent_card_info_s
{
int error; /* private. */
char *reader; /* Reader information. */
char *apptype; /* Malloced application type string. */
char *serialno; /* malloced hex string. */
char *disp_name; /* malloced. */
char *disp_lang; /* malloced. */
int disp_sex; /* 0 = unspecified, 1 = male, 2 = female */
char *pubkey_url; /* malloced. */
char *login_data; /* malloced. */
char *private_do[4]; /* malloced. */
char cafpr1valid;
char cafpr2valid;
char cafpr3valid;
char cafpr1[20];
char cafpr2[20];
char cafpr3[20];
char fpr1valid;
char fpr2valid;
char fpr3valid;
char fpr1[20];
char fpr2[20];
char fpr3[20];
u32 fpr1time;
u32 fpr2time;
u32 fpr3time;
unsigned long sig_counter;
int chv1_cached; /* True if a PIN is not required for each
signing. Note that the gpg-agent might cache
it anyway. */
int is_v2; /* True if this is a v2 card. */
int chvmaxlen[3]; /* Maximum allowed length of a CHV. */
int chvretry[3]; /* Allowed retries for the CHV; 0 = blocked. */
struct { /* Array with key attributes. */
int algo; /* Algorithm identifier. */
union {
unsigned int nbits; /* Supported keysize. */
const char *curve; /* Name of curve. */
};
} key_attr[3];
struct {
unsigned int ki:1; /* Key import available. */
unsigned int aac:1; /* Algorithm attributes are changeable. */
} extcap;
unsigned int status_indicator;
};
/* Release the card info structure. */
void agent_release_card_info (struct agent_card_info_s *info);
/* Return card info. */
int agent_scd_learn (struct agent_card_info_s *info, int force);
/* Return list of cards. */
int agent_scd_cardlist (strlist_t *result);
/* Return the serial number, possibly select by DEMAND. */
int agent_scd_serialno (char **r_serialno, const char *demand);
/* Send an APDU to the card. */
gpg_error_t agent_scd_apdu (const char *hexapdu, unsigned int *r_sw);
/* Update INFO with the attribute NAME. */
int agent_scd_getattr (const char *name, struct agent_card_info_s *info);
/* Send the KEYTOCARD command. */
int agent_keytocard (const char *hexgrip, int keyno, int force,
const char *serialno, const char *timestamp);
/* Send a SETATTR command to the SCdaemon. */
int agent_scd_setattr (const char *name,
const unsigned char *value, size_t valuelen,
const char *serialno);
/* Send a WRITECERT command to the SCdaemon. */
int agent_scd_writecert (const char *certidstr,
const unsigned char *certdata, size_t certdatalen);
/* Send a WRITEKEY command to the SCdaemon. */
int agent_scd_writekey (int keyno, const char *serialno,
const unsigned char *keydata, size_t keydatalen);
/* Send a GENKEY command to the SCdaemon. */
int agent_scd_genkey (int keyno, int force, u32 *createtime);
/* Send a READKEY command to the SCdaemon. */
int agent_scd_readcert (const char *certidstr,
void **r_buf, size_t *r_buflen);
/* Change the PIN of an OpenPGP card or reset the retry counter. */
int agent_scd_change_pin (int chvno, const char *serialno);
/* Send the CHECKPIN command to the SCdaemon. */
int agent_scd_checkpin (const char *serialno);
/* Dummy function, only implemented by gpg 1.4. */
void agent_clear_pin_cache (const char *sn);
/* Send the GET_PASSPHRASE command to the agent. */
gpg_error_t agent_get_passphrase (const char *cache_id,
const char *err_msg,
const char *prompt,
const char *desc_msg,
int repeat,
int check,
char **r_passphrase);
/* Send the CLEAR_PASSPHRASE command to the agent. */
gpg_error_t agent_clear_passphrase (const char *cache_id);
/* Present the prompt DESC and ask the user to confirm. */
gpg_error_t gpg_agent_get_confirmation (const char *desc);
/* Return the S2K iteration count as computed by gpg-agent. */
gpg_error_t agent_get_s2k_count (unsigned long *r_count);
/* Check whether a secret key for public key PK is available. Returns
0 if the secret key is available. */
gpg_error_t agent_probe_secret_key (ctrl_t ctrl, PKT_public_key *pk);
/* Ask the agent whether a secret key is availabale for any of the
keys (primary or sub) in KEYBLOCK. Returns 0 if available. */
gpg_error_t agent_probe_any_secret_key (ctrl_t ctrl, kbnode_t keyblock);
/* Return infos about the secret key with HEXKEYGRIP. */
gpg_error_t agent_get_keyinfo (ctrl_t ctrl, const char *hexkeygrip,
char **r_serialno, int *r_cleartext);
/* Generate a new key. */
gpg_error_t agent_genkey (ctrl_t ctrl,
char **cache_nonce_addr, char **passwd_nonce_addr,
const char *keyparms, int no_protection,
const char *passphrase,
gcry_sexp_t *r_pubkey);
/* Read a public key. */
gpg_error_t agent_readkey (ctrl_t ctrl, int fromcard, const char *hexkeygrip,
unsigned char **r_pubkey);
/* Create a signature. */
gpg_error_t agent_pksign (ctrl_t ctrl, const char *cache_nonce,
const char *hexkeygrip, const char *desc,
u32 *keyid, u32 *mainkeyid, int pubkey_algo,
unsigned char *digest, size_t digestlen,
int digestalgo,
gcry_sexp_t *r_sigval);
/* Decrypt a ciphertext. */
gpg_error_t agent_pkdecrypt (ctrl_t ctrl, const char *keygrip, const char *desc,
u32 *keyid, u32 *mainkeyid, int pubkey_algo,
gcry_sexp_t s_ciphertext,
unsigned char **r_buf, size_t *r_buflen,
int *r_padding);
/* Retrieve a key encryption key. */
gpg_error_t agent_keywrap_key (ctrl_t ctrl, int forexport,
void **r_kek, size_t *r_keklen);
/* Send a key to the agent. */
gpg_error_t agent_import_key (ctrl_t ctrl, const char *desc,
char **cache_nonce_addr, const void *key,
size_t keylen, int unattended, int force);
/* Receive a key from the agent. */
gpg_error_t agent_export_key (ctrl_t ctrl, const char *keygrip,
const char *desc, int openpgp_protected,
char **cache_nonce_addr,
unsigned char **r_result, size_t *r_resultlen);
/* Delete a key from the agent. */
gpg_error_t agent_delete_key (ctrl_t ctrl, const char *hexkeygrip,
const char *desc, int force);
/* Change the passphrase of a key. */
gpg_error_t agent_passwd (ctrl_t ctrl, const char *hexkeygrip, const char *desc,
int verify,
char **cache_nonce_addr, char **passwd_nonce_addr);
/* Get the version reported by gpg-agent. */
gpg_error_t agent_get_version (ctrl_t ctrl, char **r_version);
#endif /*GNUPG_G10_CALL_AGENT_H*/

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