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FIDO_ASSERT_ALLOW_CRED(3) FreeBSD Library Functions Manual NAME fido_assert_allow_cred, fido_assert_empty_allow_list - manage allow lists in a FIDO2 assertion SYNOPSIS #include <fido.h> int fido_assert_allow_cred(fido_assert_t *assert, const unsigned char *ptr, size_t len); int fido_assert_empty_allow_list(fido_assert_t *assert); DESCRIPTION The fido_assert_allow_cred() function adds ptr to the list of credentials allowed in assert, 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_assert_allow_cred() fails, the existing list of allowed credentials is preserved. For the format of a FIDO2 credential ID, please refer to the Web Authentication (webauthn) standard. The fido_assert_empty_allow_list() function empties the list of credentials allowed in assert. RETURN VALUES The error codes returned by fido_assert_allow_cred() and fido_assert_empty_allow_list() are defined in <fido/err.h>. On success, FIDO_OK is returned. SEE ALSO fido_assert_new(3), fido_assert_set_authdata(3), fido_dev_get_assert(3) FreeBSD 14.1-RELEASE-p8 December 1, 2022 FreeBSD 14.1-RELEASE-p8