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FIDO_ASSERT_ALLOW_CRED(3)    Library Functions Manual  FIDO_ASSERT_ALLOW_CRED(3)

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 Authenti-
     cation (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_as-
     sert_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 ports 15.quarterly	December 1, 2022       FIDO_ASSERT_ALLOW_CRED(3)

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