Man page - fido_cred_exclude(3)

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Manual

FIDO_CRED_EXCLUDE (3) Library Functions Manual FIDO_CRED_EXCLUDE (3)

NAME

fido_cred_exclude, fido_cred_empty_exclude_list ā€” manage exclude lists in a FIDO2 credential

SYNOPSIS

#include <fido.h>

int

fido_cred_exclude ( fido_cred_tĀ *cred , constĀ unsignedĀ charĀ *ptr , size_tĀ len );

int

fido_cred_empty_exclude_list ( fido_cred_tĀ *cred );

DESCRIPTION

The fido_cred_exclude () function adds ptr to the list of credentials excluded by cred , where ptr points to a credential ID of len bytes. A copy of ptr is made, and no references to the passed pointer are kept. If fido_cred_exclude () fails, the existing list of excluded credentials is preserved.

If fido_cred_exclude returns success and cred is later passed to fido_dev_make_cred (3) on a device that contains the credential denoted by ptr , then fido_dev_make_cred (3) will fail.

For the format of a FIDO2 credential ID, please refer to the Web Authentication (webauthn) standard.

The fido_cred_empty_exclude_list () function empties the list of credentials excluded by cred .

RETURN VALUES

The error codes returned by fido_cred_exclude () and fido_cred_empty_exclude_list () are defined in < fido/err.h >. On success, FIDO_OK is returned.

SEE ALSO

fido_cred_new (3), fido_cred_set_authdata (3), fido_dev_make_cred (3) Debian DecemberĀ 2, 2022 FIDO_CRED_EXCLUDE (3)