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Add compatibility of old resident key system with the new one.

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Related to #184.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2025-09-06 19:14:27 +02:00
parent 1ac628d241
commit 56d5c61044
5 changed files with 14 additions and 5 deletions
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7
src/fido/credential.c
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@@ -440,3 +440,10 @@ int credential_derive_resident(const uint8_t *cred_id, size_t cred_id_len, uint8
bool credential_is_resident(const uint8_t *cred_id, size_t cred_id_len) {
return memcmp(cred_id, CRED_PROTO_RESIDENT, CRED_PROTO_RESIDENT_LEN) == 0;
}
int credential_load_resident(const file_t *ef, const uint8_t *rp_id_hash, Credential *cred) {
if (credential_is_resident(file_get_data(ef) + 32, file_get_size(ef) - 32)) {
return credential_load(file_get_data(ef) + 32 + CRED_RESIDENT_LEN, file_get_size(ef) - 32 - CRED_RESIDENT_LEN, rp_id_hash, cred);
}
return credential_load(file_get_data(ef) + 32, file_get_size(ef) - 32, rp_id_hash, cred);
}