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Leonardo Francisco a486b58c5a validity: enrollment, verification & DB operations\n\nImplement the complete enrollment and verification flow for\nSynaptics VCSFW (Validity) fingerprint sensors:\n\n- Enrollment state machine: LED control, capture loop with\n scan_complete polling, enrollment_update_start/end cycle,\n template building across ~8-9 stages until TID is received\n- DB write phase: StgWindsor storage auto-creation (0x04b3),\n user record creation, finger record creation with proper\n write_enable/call_cleanups wrapping\n- Pre-enrollment cleanup: delete existing user records from\n sensor DB before re-enrolling (prevents 0x0526 errors)\n- Stale session cleanup: send enrollment_update_end before\n starting new enrollment to close interrupted sessions\n- Verification: match_finger command with proper response\n parsing, delete and clear_storage operations\n- Print data: FPI_PRINT_RAW with fpi-data GVariant containing\n user identity string\n- Capture fixes: TST instruction search bug (save patched_tst\n before key_line replacement), ENROLL vs IDENTIFY mode\n differences in capture command structure\n- TLS improvements: proper session state tracking, reconnect\n handling, extended response buffer management\n- Pairing: device certificate chain validation, Windows Hello\n compatible key exchange\n\nTested on 06cb:009a (Synaptics Metallica MIS Touch):\n- Fresh enrollment: completes in 7-9 stages\n- Re-enrollment: pre-cleanup deletes stale records, then enrolls\n- Verification: verify-match confirmed (3x consecutive)\n\nReference: python-validity by uunicorn"		2026-04-22 03:06:34 +00:00
.ci	ci: Add ABI check	2019-08-05 20:05:13 +02:00
.gitlab-ci	ci: Add PyGObject symbols	2026-02-10 06:33:00 +01:00
data	validity: Add new driver for Validity/Synaptics VCSFW sensors	2026-04-22 03:06:34 +00:00
demo	scripts/uncrustify: Use 2-spaces indentation for defines too	2025-02-20 15:50:46 +00:00
doc	build: Stop using deprecated dep.get_pkgconfig_variable() method	2024-02-20 01:02:00 +01:00
examples	examples/clear-storage: Remove local storage for devices without storage	2025-02-20 16:37:11 +01:00
libfprint	validity: enrollment, verification & DB operations\n\nImplement the complete enrollment and verification flow for\nSynaptics VCSFW (Validity) fingerprint sensors:\n\n- Enrollment state machine: LED control, capture loop with\n scan_complete polling, enrollment_update_start/end cycle,\n template building across ~8-9 stages until TID is received\n- DB write phase: StgWindsor storage auto-creation (0x04b3),\n user record creation, finger record creation with proper\n write_enable/call_cleanups wrapping\n- Pre-enrollment cleanup: delete existing user records from\n sensor DB before re-enrolling (prevents 0x0526 errors)\n- Stale session cleanup: send enrollment_update_end before\n starting new enrollment to close interrupted sessions\n- Verification: match_finger command with proper response\n parsing, delete and clear_storage operations\n- Print data: FPI_PRINT_RAW with fpi-data GVariant containing\n user identity string\n- Capture fixes: TST instruction search bug (save patched_tst\n before key_line replacement), ENROLL vs IDENTIFY mode\n differences in capture command structure\n- TLS improvements: proper session state tracking, reconnect\n handling, extended response buffer management\n- Pairing: device certificate chain validation, Windows Hello\n compatible key exchange\n\nTested on 06cb:009a (Synaptics Metallica MIS Touch):\n- Fresh enrollment: completes in 7-9 stages\n- Re-enrollment: pre-cleanup deletes stale records, then enrolls\n- Verification: verify-match confirmed (3x consecutive)\n\nReference: python-validity by uunicorn"	2026-04-22 03:06:34 +00:00
scripts	scripts/uncrustify: Use 2-spaces indentation for defines too	2025-02-20 15:50:46 +00:00
tests	validity: Iteration 8 — Final Polish	2026-04-22 03:06:34 +00:00
.git-blame-ignore-revs	.git-blame-ignore-revs: Ignore formatting commit and add hint how to use it	2020-12-07 19:01:10 +01:00
.gitignore	gitignore: Remove autotools ignores, add _build	2020-02-10 11:41:40 +01:00
.gitlab-ci.yml	ci: Make jobs interrumpible	2026-02-10 06:35:26 +01:00
AUTHORS	AUTHORS: Update	2012-12-14 13:17:24 +01:00
code-of-conduct.md	Add code of conduct document	2019-07-25 12:04:39 +02:00
COPYING	upekts relicensing	2007-11-15 09:54:35 +00:00
gcovr.cfg	gcovr: Add gcovr project configuration	2025-08-01 01:42:01 +02:00
HACKING.md	HACKING: Clarify the intent of the license	2019-08-05 13:37:28 +02:00
INSTALL	INSTALL: Update for Meson	2018-05-18 01:16:30 +02:00
MAINTAINERS	Add MAINTAINERS file	2020-05-22 15:00:11 +02:00
meson.build	validity: Add TLS session management (Iteration 2)	2026-04-22 03:06:34 +00:00
meson_options.txt	tests: Add support for installed tests	2023-06-28 16:35:16 +02:00
NEWS	Release 1.94.10	2026-02-10 03:18:14 +01:00
README.md	README: Add contact information	2024-05-03 15:35:11 +02:00
THANKS	Thanks to Greg and Martin from AuthenTec	2012-11-29 09:51:55 +01:00

README.md

LibFPrint

LibFPrint is part of the FPrint project.

History

LibFPrint was originally developed as part of an academic project at the University Of Manchester.

It aimed to hide the differences between consumer fingerprint scanners and provide a single uniform API to application developers.

Goal

The ultimate goal of the FPrint project is to make fingerprint scanners widely and easily usable under common Linux environments.

License

Section 6 of the license states that for compiled works that use this library, such works must include LibFPrint copyright notices alongside the copyright notices for the other parts of the work.

LibFPrint includes code from NIST's NBIS software distribution.

We include Bozorth3 from the US Export Controlled distribution, which we have determined to be fine being shipped in an open source project.

Get in touch

IRC - #fprint @ irc.oftc.net
Matrix - #fprint:matrix.org bridged to the IRC channel
MailingList - low traffic, not much used these days