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overwrite x509 fields for tap or somu

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This commit is contained in:
Conor Patrick
2019-12-01 15:17:33 -05:00
parent 6217fc34b9
commit 54c66d80b6
4 changed files with 44 additions and 8 deletions
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10
fido2/u2f.c
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@@ -299,7 +299,7 @@ static int16_t u2f_authenticate(struct u2f_authenticate_request * req, uint8_t c
static int16_t u2f_register(struct u2f_register_request * req)
{
uint8_t i[] = {0x0,U2F_EC_FMT_UNCOMPRESSED};
uint8_t cert[1024];
struct u2f_key_handle key_handle;
uint8_t pubkey[64];
uint8_t hash[32];
@@ -308,6 +308,11 @@ static int16_t u2f_register(struct u2f_register_request * req)
const uint16_t attest_size = device_attestation_cert_der_get_size();
if (attest_size > sizeof(cert)){
printf2(TAG_ERR,"Certificate is too large for buffer\r\n");
return U2F_SW_INSUFFICIENT_MEMORY;
}
if ( ! ctap_user_presence_test(750))
{
return U2F_SW_CONDITIONS_NOT_SATISFIED;
@@ -341,7 +346,8 @@ static int16_t u2f_register(struct u2f_register_request * req)
u2f_response_writeback(i,1);
u2f_response_writeback((uint8_t*)&key_handle,U2F_KEY_HANDLE_SIZE);
u2f_response_writeback(attestation_cert_der,attest_size);
device_attestation_read_cert_der(cert);
u2f_response_writeback(cert,attest_size);
dump_signature_der(sig);