dearsky/pico-fido
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Adding support for backup.

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Now it is possible to backup and restore the internal keys to recover a pico fido. The process is splitted in two parts: a list of 24 words and a file, which stores the security key.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-10-28 00:31:50 +02:00
parent a42131876f
commit 43cd8869f9
6 changed files with 106 additions and 3 deletions
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3
src/fido/cbor_get_info.c
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@@ -80,10 +80,11 @@ int cbor_get_info() {
CBOR_CHECK(cbor_encode_uint(&mapEncoder, PICO_FIDO_VERSION)); // firmwareVersion
CBOR_CHECK(cbor_encode_uint(&mapEncoder, 0x15));
CBOR_CHECK(cbor_encoder_create_array(&mapEncoder, &arrayEncoder, 3));
CBOR_CHECK(cbor_encoder_create_array(&mapEncoder, &arrayEncoder, 4));
CBOR_CHECK(cbor_encode_uint(&arrayEncoder, CTAP_CONFIG_AUT));
CBOR_CHECK(cbor_encode_uint(&arrayEncoder, CTAP_CONFIG_KEY_AGREEMENT));
CBOR_CHECK(cbor_encode_uint(&arrayEncoder, CTAP_CONFIG_UNLOCK));
CBOR_CHECK(cbor_encode_uint(&arrayEncoder, CTAP_CONFIG_BACKUP));
CBOR_CHECK(cbor_encoder_close_container(&mapEncoder, &arrayEncoder));
CBOR_CHECK(cbor_encoder_close_container(&encoder, &mapEncoder));