gnutls_certificate_set_openpgp_key ()

int
gnutls_certificate_set_openpgp_key (gnutls_certificate_credentials_t res,
                                    gnutls_openpgp_crt_t crt,
                                    gnutls_openpgp_privkey_t pkey);

This function sets a certificate/private key pair in the gnutls_certificate_credentials_t type. This function may be called more than once (in case multiple keys/certificates exist for the server).

Note that this function requires that the preferred key ids have been set and be used. See gnutls_openpgp_crt_set_preferred_key_id(). Otherwise the master key will be used.

gnutls_certificate_set_openpgp_key_file ()

int
gnutls_certificate_set_openpgp_key_file
                               (gnutls_certificate_credentials_t res,
                                const char *certfile,
                                const char *keyfile,
                                gnutls_openpgp_crt_fmt_t format);

This function is used to load OpenPGP keys into the GnuTLS credentials structure. The file should contain at least one valid non encrypted subkey.

gnutls_certificate_set_openpgp_key_file2 ()

int
gnutls_certificate_set_openpgp_key_file2
                               (gnutls_certificate_credentials_t res,
                                const char *certfile,
                                const char *keyfile,
                                const char *subkey_id,
                                gnutls_openpgp_crt_fmt_t format);

This function is used to load OpenPGP keys into the GnuTLS credential structure. The file should contain at least one valid non encrypted subkey.

The special keyword "auto" is also accepted as subkey_id . In that case the gnutls_openpgp_crt_get_auth_subkey() will be used to retrieve the subkey.

Since: 2.4.0

gnutls_certificate_set_openpgp_key_mem ()

int
gnutls_certificate_set_openpgp_key_mem
                               (gnutls_certificate_credentials_t res,
                                const gnutls_datum_t *cert,
                                const gnutls_datum_t *key,
                                gnutls_openpgp_crt_fmt_t format);

This function is used to load OpenPGP keys into the GnuTLS credential structure. The datum should contain at least one valid non encrypted subkey.

gnutls_certificate_set_openpgp_key_mem2 ()

int
gnutls_certificate_set_openpgp_key_mem2
                               (gnutls_certificate_credentials_t res,
                                const gnutls_datum_t *cert,
                                const gnutls_datum_t *key,
                                const char *subkey_id,
                                gnutls_openpgp_crt_fmt_t format);

This function is used to load OpenPGP keys into the GnuTLS credentials structure. The datum should contain at least one valid non encrypted subkey.

The special keyword "auto" is also accepted as subkey_id . In that case the gnutls_openpgp_crt_get_auth_subkey() will be used to retrieve the subkey.

Since: 2.4.0

gnutls_certificate_set_openpgp_keyring_file ()

int
gnutls_certificate_set_openpgp_keyring_file
                               (gnutls_certificate_credentials_t c,
                                const char *file,
                                gnutls_openpgp_crt_fmt_t format);

The function is used to set keyrings that will be used internally by various OpenPGP functions. For example to find a key when it is needed for an operations. The keyring will also be used at the verification functions.

gnutls_certificate_set_openpgp_keyring_mem ()

int
gnutls_certificate_set_openpgp_keyring_mem
                               (gnutls_certificate_credentials_t c,
                                const unsigned char *data,
                                size_t dlen,
                                gnutls_openpgp_crt_fmt_t format);

The function is used to set keyrings that will be used internally by various OpenPGP functions. For example to find a key when it is needed for an operations. The keyring will also be used at the verification functions.

gnutls_openpgp_crt_check_hostname ()

int
gnutls_openpgp_crt_check_hostname (gnutls_openpgp_crt_t key,
                                   const char *hostname);

This function will check if the given key's owner matches the given hostname. This is a basic implementation of the matching described in RFC2818 (HTTPS), which takes into account wildcards.

gnutls_openpgp_crt_deinit ()

void
gnutls_openpgp_crt_deinit (gnutls_openpgp_crt_t key);

This function will deinitialize a key structure.

gnutls_openpgp_crt_export ()

int
gnutls_openpgp_crt_export (gnutls_openpgp_crt_t key,
                           gnutls_openpgp_crt_fmt_t format,
                           void *output_data,
                           size_t *output_data_size);

This function will convert the given key to RAW or Base64 format. If the buffer provided is not long enough to hold the output, then GNUTLS_E_SHORT_MEMORY_BUFFER will be returned.

gnutls_openpgp_crt_export2 ()

int
gnutls_openpgp_crt_export2 (gnutls_openpgp_crt_t key,
                            gnutls_openpgp_crt_fmt_t format,
                            gnutls_datum_t *out);

This function will convert the given key to RAW or Base64 format. The output buffer is allocated using gnutls_malloc().

Since: 3.1.3

gnutls_openpgp_crt_get_auth_subkey ()

int
gnutls_openpgp_crt_get_auth_subkey (gnutls_openpgp_crt_t crt,
                                    gnutls_openpgp_keyid_t keyid,
                                    unsigned int flag);

Returns the 64-bit keyID of the first valid OpenPGP subkey marked for authentication. If flag is non-zero and no authentication subkey exists, then a valid subkey will be returned even if it is not marked for authentication.

gnutls_openpgp_crt_get_creation_time ()

time_t
gnutls_openpgp_crt_get_creation_time (gnutls_openpgp_crt_t key);

Get key creation time.

gnutls_openpgp_crt_get_expiration_time ()

time_t
gnutls_openpgp_crt_get_expiration_time
                               (gnutls_openpgp_crt_t key);

Get key expiration time. A value of '0' means that the key doesn't expire at all.

gnutls_openpgp_crt_get_fingerprint ()

int
gnutls_openpgp_crt_get_fingerprint (gnutls_openpgp_crt_t key,
                                    void *fpr,
                                    size_t *fprlen);

Get key fingerprint. Depending on the algorithm, the fingerprint can be 16 or 20 bytes.

gnutls_openpgp_crt_get_key_id ()

int
gnutls_openpgp_crt_get_key_id (gnutls_openpgp_crt_t key,
                               gnutls_openpgp_keyid_t keyid);

Get key id string.

Since: 2.4.0

gnutls_openpgp_crt_get_key_usage ()

int
gnutls_openpgp_crt_get_key_usage (gnutls_openpgp_crt_t key,
                                  unsigned int *key_usage);

This function will return certificate's key usage, by checking the key algorithm. The key usage value will ORed values of the: GNUTLS_KEY_DIGITAL_SIGNATURE, GNUTLS_KEY_KEY_ENCIPHERMENT.

gnutls_openpgp_crt_get_name ()

int
gnutls_openpgp_crt_get_name (gnutls_openpgp_crt_t key,
                             int idx,
                             char *buf,
                             size_t *sizeof_buf);

Extracts the userID from the parsed OpenPGP key.

gnutls_openpgp_crt_get_pk_algorithm ()

gnutls_pk_algorithm_t
gnutls_openpgp_crt_get_pk_algorithm (gnutls_openpgp_crt_t key,
                                     unsigned int *bits);

This function will return the public key algorithm of an OpenPGP certificate.

If bits is non null, it should have enough size to hold the parameters size in bits. For RSA the bits returned is the modulus. For DSA the bits returned are of the public exponent.

gnutls_openpgp_crt_get_pk_dsa_raw ()

int
gnutls_openpgp_crt_get_pk_dsa_raw (gnutls_openpgp_crt_t crt,
                                   gnutls_datum_t *p,
                                   gnutls_datum_t *q,
                                   gnutls_datum_t *g,
                                   gnutls_datum_t *y);

This function will export the DSA public key's parameters found in the given certificate. The new parameters will be allocated using gnutls_malloc() and will be stored in the appropriate datum.

Since: 2.4.0

gnutls_openpgp_crt_get_pk_rsa_raw ()

int
gnutls_openpgp_crt_get_pk_rsa_raw (gnutls_openpgp_crt_t crt,
                                   gnutls_datum_t *m,
                                   gnutls_datum_t *e);

This function will export the RSA public key's parameters found in the given structure. The new parameters will be allocated using gnutls_malloc() and will be stored in the appropriate datum.

Since: 2.4.0

gnutls_openpgp_crt_get_preferred_key_id ()

int
gnutls_openpgp_crt_get_preferred_key_id
                               (gnutls_openpgp_crt_t key,
                                gnutls_openpgp_keyid_t keyid);

Get preferred key id. If it hasn't been set it returns GNUTLS_E_INVALID_REQUEST.

gnutls_openpgp_crt_get_revoked_status ()

int
gnutls_openpgp_crt_get_revoked_status (gnutls_openpgp_crt_t key);

Get revocation status of key.

Since: 2.4.0

gnutls_openpgp_crt_get_subkey_count ()

int
gnutls_openpgp_crt_get_subkey_count (gnutls_openpgp_crt_t key);

This function will return the number of subkeys present in the given OpenPGP certificate.

Since: 2.4.0

gnutls_openpgp_crt_get_subkey_creation_time ()

time_t
gnutls_openpgp_crt_get_subkey_creation_time
                               (gnutls_openpgp_crt_t key,
                                unsigned int idx);

Get subkey creation time.

Since: 2.4.0

gnutls_openpgp_crt_get_subkey_expiration_time ()

time_t
gnutls_openpgp_crt_get_subkey_expiration_time
                               (gnutls_openpgp_crt_t key,
                                unsigned int idx);

Get subkey expiration time. A value of '0' means that the key doesn't expire at all.

Since: 2.4.0

gnutls_openpgp_crt_get_subkey_fingerprint ()

int
gnutls_openpgp_crt_get_subkey_fingerprint
                               (gnutls_openpgp_crt_t key,
                                unsigned int idx,
                                void *fpr,
                                size_t *fprlen);

Get key fingerprint of a subkey. Depending on the algorithm, the fingerprint can be 16 or 20 bytes.

Since: 2.4.0

gnutls_openpgp_crt_get_subkey_id ()

int
gnutls_openpgp_crt_get_subkey_id (gnutls_openpgp_crt_t key,
                                  unsigned int idx,
                                  gnutls_openpgp_keyid_t keyid);

Get the subkey's key-id.

gnutls_openpgp_crt_get_subkey_idx ()

int
gnutls_openpgp_crt_get_subkey_idx (gnutls_openpgp_crt_t key,
                                   const gnutls_openpgp_keyid_t keyid);

Get subkey's index.

Since: 2.4.0

gnutls_openpgp_crt_get_subkey_pk_algorithm ()

gnutls_pk_algorithm_t
gnutls_openpgp_crt_get_subkey_pk_algorithm
                               (gnutls_openpgp_crt_t key,
                                unsigned int idx,
                                unsigned int *bits);

This function will return the public key algorithm of a subkey of an OpenPGP certificate.

If bits is non null, it should have enough size to hold the parameters size in bits. For RSA the bits returned is the modulus. For DSA the bits returned are of the public exponent.

Since: 2.4.0

gnutls_openpgp_crt_get_subkey_pk_dsa_raw ()

int
gnutls_openpgp_crt_get_subkey_pk_dsa_raw
                               (gnutls_openpgp_crt_t crt,
                                unsigned int idx,
                                gnutls_datum_t *p,
                                gnutls_datum_t *q,
                                gnutls_datum_t *g,
                                gnutls_datum_t *y);

This function will export the DSA public key's parameters found in the given certificate. The new parameters will be allocated using gnutls_malloc() and will be stored in the appropriate datum.

Since: 2.4.0

gnutls_openpgp_crt_get_subkey_pk_rsa_raw ()

int
gnutls_openpgp_crt_get_subkey_pk_rsa_raw
                               (gnutls_openpgp_crt_t crt,
                                unsigned int idx,
                                gnutls_datum_t *m,
                                gnutls_datum_t *e);

This function will export the RSA public key's parameters found in the given structure. The new parameters will be allocated using gnutls_malloc() and will be stored in the appropriate datum.

Since: 2.4.0

gnutls_openpgp_crt_get_subkey_revoked_status ()

int
gnutls_openpgp_crt_get_subkey_revoked_status
                               (gnutls_openpgp_crt_t key,
                                unsigned int idx);

Get subkey revocation status. A negative error code indicates an error.

Since: 2.4.0

gnutls_openpgp_crt_get_subkey_usage ()

int
gnutls_openpgp_crt_get_subkey_usage (gnutls_openpgp_crt_t key,
                                     unsigned int idx,
                                     unsigned int *key_usage);

This function will return certificate's key usage, by checking the key algorithm. The key usage value will ORed values of GNUTLS_KEY_DIGITAL_SIGNATURE or GNUTLS_KEY_KEY_ENCIPHERMENT.

A negative error code may be returned in case of parsing error.

Since: 2.4.0

gnutls_openpgp_crt_get_version ()

int
gnutls_openpgp_crt_get_version (gnutls_openpgp_crt_t key);

Extract the version of the OpenPGP key.

gnutls_openpgp_crt_import ()

int
gnutls_openpgp_crt_import (gnutls_openpgp_crt_t key,
                           const gnutls_datum_t *data,
                           gnutls_openpgp_crt_fmt_t format);

This function will convert the given RAW or Base64 encoded key to the native gnutls_openpgp_crt_t format. The output will be stored in 'key'.

gnutls_openpgp_crt_init ()

int
gnutls_openpgp_crt_init (gnutls_openpgp_crt_t *key);

This function will initialize an OpenPGP key structure.

gnutls_openpgp_crt_print ()

int
gnutls_openpgp_crt_print (gnutls_openpgp_crt_t cert,
                          gnutls_certificate_print_formats_t format,
                          gnutls_datum_t *out);

This function will pretty print an OpenPGP certificate, suitable for display to a human.

The format should be (0) for future compatibility.

The output out needs to be deallocate using gnutls_free().

gnutls_openpgp_crt_set_preferred_key_id ()

int
gnutls_openpgp_crt_set_preferred_key_id
                               (gnutls_openpgp_crt_t key,
                                const gnutls_openpgp_keyid_t keyid);

This allows setting a preferred key id for the given certificate. This key will be used by functions that involve key handling.

If the provided keyid is NULL then the master key is set as preferred.

gnutls_openpgp_crt_verify_ring ()

int
gnutls_openpgp_crt_verify_ring (gnutls_openpgp_crt_t key,
                                gnutls_openpgp_keyring_t keyring,
                                unsigned int flags,
                                unsigned int *verify);

Verify all signatures in the key, using the given set of keys (keyring).

The key verification output will be put in verify and will be one or more of the gnutls_certificate_status_t enumerated elements bitwise or'd.

Note that this function does not verify using any "web of trust". You may use GnuPG for that purpose, or any other external PGP application.

gnutls_openpgp_crt_verify_self ()

int
gnutls_openpgp_crt_verify_self (gnutls_openpgp_crt_t key,
                                unsigned int flags,
                                unsigned int *verify);

Verifies the self signature in the key. The key verification output will be put in verify and will be one or more of the gnutls_certificate_status_t enumerated elements bitwise or'd.

gnutls_openpgp_keyring_check_id ()

int
gnutls_openpgp_keyring_check_id (gnutls_openpgp_keyring_t ring,
                                 const gnutls_openpgp_keyid_t keyid,
                                 unsigned int flags);

Check if a given key ID exists in the keyring.

gnutls_openpgp_keyring_deinit ()

void
gnutls_openpgp_keyring_deinit (gnutls_openpgp_keyring_t keyring);

This function will deinitialize a keyring structure.

gnutls_openpgp_keyring_get_crt ()

int
gnutls_openpgp_keyring_get_crt (gnutls_openpgp_keyring_t ring,
                                unsigned int idx,
                                gnutls_openpgp_crt_t *cert);

This function will extract an OpenPGP certificate from the given keyring. If the index given is out of range GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned. The returned structure needs to be deinited.

gnutls_openpgp_keyring_get_crt_count ()

int
gnutls_openpgp_keyring_get_crt_count (gnutls_openpgp_keyring_t ring);

This function will return the number of OpenPGP certificates present in the given keyring.

gnutls_openpgp_keyring_import ()

int
gnutls_openpgp_keyring_import (gnutls_openpgp_keyring_t keyring,
                               const gnutls_datum_t *data,
                               gnutls_openpgp_crt_fmt_t format);

This function will convert the given RAW or Base64 encoded keyring to the native gnutls_openpgp_keyring_t format. The output will be stored in 'keyring'.

gnutls_openpgp_keyring_init ()

int
gnutls_openpgp_keyring_init (gnutls_openpgp_keyring_t *keyring);

This function will initialize an keyring structure.

gnutls_openpgp_privkey_deinit ()

void
gnutls_openpgp_privkey_deinit (gnutls_openpgp_privkey_t key);

This function will deinitialize a key structure.

gnutls_openpgp_privkey_export ()

int
gnutls_openpgp_privkey_export (gnutls_openpgp_privkey_t key,
                               gnutls_openpgp_crt_fmt_t format,
                               const char *password,
                               unsigned int flags,
                               void *output_data,
                               size_t *output_data_size);

This function will convert the given key to RAW or Base64 format. If the buffer provided is not long enough to hold the output, then GNUTLS_E_SHORT_MEMORY_BUFFER will be returned.

Since: 2.4.0

gnutls_openpgp_privkey_export2 ()

int
gnutls_openpgp_privkey_export2 (gnutls_openpgp_privkey_t key,
                                gnutls_openpgp_crt_fmt_t format,
                                const char *password,
                                unsigned int flags,
                                gnutls_datum_t *out);

This function will convert the given key to RAW or Base64 format. The output buffer is allocated using gnutls_malloc().

Since: 3.1.3

gnutls_openpgp_privkey_export_dsa_raw ()

int
gnutls_openpgp_privkey_export_dsa_raw (gnutls_openpgp_privkey_t pkey,
                                       gnutls_datum_t *p,
                                       gnutls_datum_t *q,
                                       gnutls_datum_t *g,
                                       gnutls_datum_t *y,
                                       gnutls_datum_t *x);

This function will export the DSA private key's parameters found in the given certificate. The new parameters will be allocated using gnutls_malloc() and will be stored in the appropriate datum.

Since: 2.4.0

gnutls_openpgp_privkey_export_rsa_raw ()

int
gnutls_openpgp_privkey_export_rsa_raw (gnutls_openpgp_privkey_t pkey,
                                       gnutls_datum_t *m,
                                       gnutls_datum_t *e,
                                       gnutls_datum_t *d,
                                       gnutls_datum_t *p,
                                       gnutls_datum_t *q,
                                       gnutls_datum_t *u);

This function will export the RSA private key's parameters found in the given structure. The new parameters will be allocated using gnutls_malloc() and will be stored in the appropriate datum.

Since: 2.4.0

gnutls_openpgp_privkey_export_subkey_dsa_raw ()

int
gnutls_openpgp_privkey_export_subkey_dsa_raw
                               (gnutls_openpgp_privkey_t pkey,
                                unsigned int idx,
                                gnutls_datum_t *p,
                                gnutls_datum_t *q,
                                gnutls_datum_t *g,
                                gnutls_datum_t *y,
                                gnutls_datum_t *x);

This function will export the DSA private key's parameters found in the given certificate. The new parameters will be allocated using gnutls_malloc() and will be stored in the appropriate datum.

Since: 2.4.0

gnutls_openpgp_privkey_export_subkey_rsa_raw ()

int
gnutls_openpgp_privkey_export_subkey_rsa_raw
                               (gnutls_openpgp_privkey_t pkey,
                                unsigned int idx,
                                gnutls_datum_t *m,
                                gnutls_datum_t *e,
                                gnutls_datum_t *d,
                                gnutls_datum_t *p,
                                gnutls_datum_t *q,
                                gnutls_datum_t *u);

This function will export the RSA private key's parameters found in the given structure. The new parameters will be allocated using gnutls_malloc() and will be stored in the appropriate datum.

Since: 2.4.0

gnutls_openpgp_privkey_get_fingerprint ()

int
gnutls_openpgp_privkey_get_fingerprint
                               (gnutls_openpgp_privkey_t key,
                                void *fpr,
                                size_t *fprlen);

Get the fingerprint of the OpenPGP key. Depends on the algorithm, the fingerprint can be 16 or 20 bytes.

Since: 2.4.0

gnutls_openpgp_privkey_get_key_id ()

int
gnutls_openpgp_privkey_get_key_id (gnutls_openpgp_privkey_t key,
                                   gnutls_openpgp_keyid_t keyid);

Get key-id.

Since: 2.4.0

gnutls_openpgp_privkey_get_pk_algorithm ()

gnutls_pk_algorithm_t
gnutls_openpgp_privkey_get_pk_algorithm
                               (gnutls_openpgp_privkey_t key,
                                unsigned int *bits);

This function will return the public key algorithm of an OpenPGP certificate.

If bits is non null, it should have enough size to hold the parameters size in bits. For RSA the bits returned is the modulus. For DSA the bits returned are of the public exponent.

Since: 2.4.0

gnutls_openpgp_privkey_get_preferred_key_id ()

int
gnutls_openpgp_privkey_get_preferred_key_id
                               (gnutls_openpgp_privkey_t key,
                                gnutls_openpgp_keyid_t keyid);

Get the preferred key-id for the key.

gnutls_openpgp_privkey_get_revoked_status ()

int
gnutls_openpgp_privkey_get_revoked_status
                               (gnutls_openpgp_privkey_t key);

Get revocation status of key.

Since: 2.4.0

gnutls_openpgp_privkey_get_subkey_count ()

int
gnutls_openpgp_privkey_get_subkey_count
                               (gnutls_openpgp_privkey_t key);

This function will return the number of subkeys present in the given OpenPGP certificate.

Since: 2.4.0

gnutls_openpgp_privkey_get_subkey_creation_time ()

time_t
gnutls_openpgp_privkey_get_subkey_creation_time
                               (gnutls_openpgp_privkey_t key,
                                unsigned int idx);

Get subkey creation time.

Since: 2.4.0

gnutls_openpgp_privkey_get_subkey_expiration_time ()

time_t
gnutls_openpgp_privkey_get_subkey_expiration_time
                               (gnutls_openpgp_privkey_t key,
                                unsigned int idx);

Get subkey expiration time. A value of '0' means that the key doesn't expire at all.

Since: 2.4.0

gnutls_openpgp_privkey_get_subkey_fingerprint ()

int
gnutls_openpgp_privkey_get_subkey_fingerprint
                               (gnutls_openpgp_privkey_t key,
                                unsigned int idx,
                                void *fpr,
                                size_t *fprlen);

Get the fingerprint of an OpenPGP subkey. Depends on the algorithm, the fingerprint can be 16 or 20 bytes.

Since: 2.4.0

gnutls_openpgp_privkey_get_subkey_id ()

int
gnutls_openpgp_privkey_get_subkey_id (gnutls_openpgp_privkey_t key,
                                      unsigned int idx,
                                      gnutls_openpgp_keyid_t keyid);

Get the key-id for the subkey.

Since: 2.4.0

gnutls_openpgp_privkey_get_subkey_idx ()

int
gnutls_openpgp_privkey_get_subkey_idx (gnutls_openpgp_privkey_t key,
                                       const gnutls_openpgp_keyid_t keyid);

Get index of subkey.

Since: 2.4.0

gnutls_openpgp_privkey_get_subkey_pk_algorithm ()

gnutls_pk_algorithm_t
gnutls_openpgp_privkey_get_subkey_pk_algorithm
                               (gnutls_openpgp_privkey_t key,
                                unsigned int idx,
                                unsigned int *bits);

This function will return the public key algorithm of a subkey of an OpenPGP certificate.

If bits is non null, it should have enough size to hold the parameters size in bits. For RSA the bits returned is the modulus. For DSA the bits returned are of the public exponent.

Since: 2.4.0

gnutls_openpgp_privkey_get_subkey_revoked_status ()

int
gnutls_openpgp_privkey_get_subkey_revoked_status
                               (gnutls_openpgp_privkey_t key,
                                unsigned int idx);

Get revocation status of key.

Since: 2.4.0

gnutls_openpgp_privkey_import ()

int
gnutls_openpgp_privkey_import (gnutls_openpgp_privkey_t key,
                               const gnutls_datum_t *data,
                               gnutls_openpgp_crt_fmt_t format,
                               const char *password,
                               unsigned int flags);

This function will convert the given RAW or Base64 encoded key to the native gnutls_openpgp_privkey_t format. The output will be stored in 'key'.

gnutls_openpgp_privkey_init ()

int
gnutls_openpgp_privkey_init (gnutls_openpgp_privkey_t *key);

This function will initialize an OpenPGP key structure.

gnutls_openpgp_privkey_sec_param ()

gnutls_sec_param_t
gnutls_openpgp_privkey_sec_param (gnutls_openpgp_privkey_t key);

This function will return the security parameter appropriate with this private key.

Since: 2.12.0

gnutls_openpgp_privkey_set_preferred_key_id ()

int
gnutls_openpgp_privkey_set_preferred_key_id
                               (gnutls_openpgp_privkey_t key,
                                const gnutls_openpgp_keyid_t keyid);

This allows setting a preferred key id for the given certificate. This key will be used by functions that involve key handling.

If the provided keyid is NULL then the master key is set as preferred.

gnutls_openpgp_recv_key_func ()

int
(*gnutls_openpgp_recv_key_func) (gnutls_session_t session,
                                 const unsigned char *keyfpr,
                                 unsigned int keyfpr_length,
                                 gnutls_datum_t *key);

A callback of this type is used to retrieve OpenPGP keys. Only useful on the server, and will only be used if the peer send a key fingerprint instead of a full key. See also gnutls_openpgp_set_recv_key_function().

The variable key must be allocated using gnutls_malloc().

gnutls_openpgp_set_recv_key_function ()

void
gnutls_openpgp_set_recv_key_function (gnutls_session_t session,
                                      gnutls_openpgp_recv_key_func func);

This function will set a key retrieval function for OpenPGP keys. This callback is only useful in server side, and will be used if the peer sent a key fingerprint instead of a full key.

The retrieved key must be allocated using gnutls_malloc().

GNUTLS_OPENPGP_KEYID_SIZE

#define GNUTLS_OPENPGP_KEYID_SIZE 8

GNUTLS_OPENPGP_MASTER_KEYID_IDX

#define GNUTLS_OPENPGP_MASTER_KEYID_IDX INT_MAX

enum gnutls_openpgp_crt_fmt_t

Enumeration of different OpenPGP key formats.