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#ifndef OPENPGP_H
# define OPENPGP_H

#include <config.h>

typedef enum gnutls_openpgp_key_fmt_t {
    GNUTLS_OPENPGP_FMT_RAW, GNUTLS_OPENPGP_FMT_BASE64
} gnutls_openpgp_key_fmt_t;

#ifdef ENABLE_OPENPGP

# include <opencdk.h>

typedef struct gnutls_openpgp_key_int {
    cdk_kbnode_t knode;
    cdk_stream_t inp;
} gnutls_openpgp_key_int;

typedef struct gnutls_openpgp_privkey_int {
    gnutls_privkey pkey;
} gnutls_openpgp_privkey_int;

typedef struct gnutls_openpgp_keyring_int {
    cdk_keydb_hd_t hd;
} gnutls_openpgp_keyring_int;

typedef struct gnutls_openpgp_trustdb_int {
    cdk_stream_t st;
} gnutls_openpgp_trustdb_int;

typedef struct gnutls_openpgp_keyring_int *gnutls_openpgp_keyring_t;
typedef struct gnutls_openpgp_trustdb_int *gnutls_openpgp_trustdb_t;

int _gnutls_map_cdk_rc(int rc);
int
gnutls_openpgp_key_get_name(gnutls_openpgp_key_t key,
			    int idx, char *buf, size_t * sizeof_buf);
int gnutls_openpgp_key_get_fingerprint(gnutls_openpgp_key_t key,
				       void *fpr, size_t * fprlen);
int gnutls_openpgp_key_get_pk_algorithm(gnutls_openpgp_key_t key,
					unsigned int *bits);
int gnutls_openpgp_key_get_version(gnutls_openpgp_key_t key);
time_t gnutls_openpgp_key_get_creation_time(gnutls_openpgp_key_t key);
time_t gnutls_openpgp_key_get_expiration_time(gnutls_openpgp_key_t key);
int gnutls_openpgp_key_get_id(gnutls_openpgp_key_t key,
			      unsigned char keyid[8]);

int gnutls_openpgp_key_init(gnutls_openpgp_key_t * key);
void gnutls_openpgp_key_deinit(gnutls_openpgp_key_t key);
int gnutls_openpgp_key_import(gnutls_openpgp_key_t key,
			      const gnutls_datum_t * data,
			      gnutls_openpgp_key_fmt_t format);
int gnutls_openpgp_key_export(gnutls_openpgp_key_t key,
			      gnutls_openpgp_key_fmt_t format,
			      void *output_data,
			      size_t * output_data_size);

void gnutls_openpgp_keyring_deinit(gnutls_openpgp_keyring_t keyring);
int gnutls_openpgp_keyring_init(gnutls_openpgp_keyring_t * keyring);
int gnutls_openpgp_keyring_import(gnutls_openpgp_keyring_t keyring,
				  const gnutls_datum_t * data,
				  gnutls_openpgp_key_fmt_t format);
int gnutls_openpgp_keyring_check_id(gnutls_openpgp_keyring_t ring,
				    const unsigned char keyid[8],
				    unsigned int flags);

void gnutls_openpgp_trustdb_deinit(gnutls_openpgp_trustdb_t trustdb);
int gnutls_openpgp_trustdb_init(gnutls_openpgp_trustdb_t * trustdb);
int gnutls_openpgp_trustdb_import_file(gnutls_openpgp_trustdb_t trustdb,
				       const char *file);

int gnutls_openpgp_key_verify_ring(gnutls_openpgp_key_t key,
				   gnutls_openpgp_keyring_t keyring,
				   unsigned int flags,
				   unsigned int *verify);

int gnutls_openpgp_key_verify_trustdb(gnutls_openpgp_key_t key,
				      gnutls_openpgp_trustdb_t trustdb,
				      unsigned int flags,
				      unsigned int *verify);

int gnutls_openpgp_key_verify_self(gnutls_openpgp_key_t key,
				   unsigned int flags,
				   unsigned int *verify);

int _gnutls_openpgp_key_to_gcert(gnutls_cert * gcert,
				 gnutls_openpgp_key_t cert);
int _gnutls_openpgp_privkey_to_gkey(gnutls_privkey * dest,
				    gnutls_openpgp_privkey_t src);

void gnutls_openpgp_privkey_deinit(gnutls_openpgp_privkey_t key);

#else				/* no opencdk */

typedef void *gnutls_openpgp_key_t;
typedef void *gnutls_openpgp_privkey_t;
typedef void *gnutls_openpgp_keyring_t;
typedef void *gnutls_openpgp_trustdb_t;

#endif /* ENABLE_OPENPGP */

#endif /* OPENPGP_H */