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drop last 0x01 if 33 bytes long

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This commit is contained in:
Conor Patrick 2018-07-11 23:03:04 -04:00
parent 807dcc0422
commit 42f752fe41
1 changed files with 6 additions and 0 deletions
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6
fido2/wallet.c
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@ -345,6 +345,12 @@ int16_t bridge_u2f_to_wallet(uint8_t * _chal, uint8_t * _appid, uint8_t klen, ui
printf1(TAG_WALLET,"adding key [%d]: ",lens[0]); dump_hex1(TAG_WALLET, args[0], lens[0]); printf1(TAG_WALLET,"adding key [%d]: ",lens[0]); dump_hex1(TAG_WALLET, args[0], lens[0]);
if (lens[0] == 33)
{
// drop the last byte
lens[0]--;
}
ret = ctap_store_key(0, args[0], lens[0]); ret = ctap_store_key(0, args[0], lens[0]);
if (ret == ERR_NO_KEY_SPACE || ret == ERR_KEY_SPACE_TAKEN) if (ret == ERR_NO_KEY_SPACE || ret == ERR_KEY_SPACE_TAKEN)