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diff --git a/examples/README.adoc b/examples/README.adoc new file mode 100644 index 0000000..6853757 --- /dev/null +++ b/examples/README.adoc @@ -0,0 +1,98 @@ += Examples + +=== Definitions + +The following definitions are used in the description below: + +- <device> + + The file system path or subsystem-specific identification string of a + FIDO device. + +- <pin>, [oldpin] + + Strings passed directly in the executed command's argument vector. + +- <cred_id> + + The file system path of a file containing a FIDO credential ID in + binary representation. + +- <pubkey> + + The file system path of a file containing a NIST P-256 public key in + PEM format. + +- <blobkey> + + A credential's associated CTAP 2.1 "largeBlob" symmetric key. + +=== Description + +The following examples are provided: + +- manifest + + Prints a list of configured FIDO devices. + +- info <device> + + Prints information about <device>. + +- reset <device> + + Performs a factory reset on <device>. + +- setpin <pin> [oldpin] <device> + + Configures <pin> as the new PIN of <device>. If [oldpin] is provided, + the device's PIN is changed from [oldpin] to <pin>. + +- cred [-t es256|es384|rs256|eddsa] [-k pubkey] [-ei cred_id] [-P pin] + [-T seconds] [-b blobkey] [-hruv] <device> + + Creates a new credential on <device> and verify that the credential + was signed by the authenticator. The device's attestation certificate + is not verified. If option -k is specified, the credential's public + key is stored in <pubkey>. If option -i is specified, the credential + ID is stored in <cred_id>. The -e option may be used to add <cred_id> + to the list of excluded credentials. If option -h is specified, + the hmac-secret FIDO2 extension is enabled on the generated + credential. If option -r is specified, the generated credential + will involve a resident key. User verification may be requested + through the -v option. If option -u is specified, the credential + is generated using U2F (CTAP1) instead of FIDO2 (CTAP2) commands. + The -T option may be used to enforce a timeout of <seconds>. If the + option -b is specified, the credential's "largeBlob" key is stored in + <blobkey>. + +- assert [-t es256|es384|rs256|eddsa] [-a cred_id] [-h hmac_secret] [-P pin] + [-s hmac_salt] [-T seconds] [-b blobkey] [-puv] <pubkey> <device> + + Asks <device> for a FIDO2 assertion corresponding to [cred_id], + which may be omitted for resident keys. The obtained assertion + is verified using <pubkey>. The -p option requests that the user + be present. User verification may be requested through the -v + option. If option -u is specified, the assertion is generated using + U2F (CTAP1) instead of FIDO2 (CTAP2) commands. If option -s is + specified, a FIDO2 hmac-secret is requested from the authenticator, + and the contents of <hmac_salt> are used as the salt. If option -h + is specified, the resulting hmac-secret is stored in <hmac_secret>. + The -T option may be used to enforce a timeout of <seconds>. If the + option -b specified, the credential's "largeBlob" key is stored in + <blobkey>. + +- retries <device> + Get the number of PIN attempts left on <device> before lockout. + +- select + + Enumerates available FIDO devices and, if more than one is present, + simultaneously requests touch on all of them, printing information + about the device touched. + +Debugging is possible through the use of the FIDO_DEBUG environment variable. +If set, libfido2 will produce a log of its transactions with the authenticator. + +Additionally, an example of a WebAuthn client using libfido2 is available at +https://github.com/martelletto/fido2-webauthn-client. |