+ /* brainpoolP256r1 / 1.3.36.3.3.2.8.1.1.7 */
+ } else if ((keydata->data[6] == 9) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x24) &&
+ (keydata->data[9] == 0x03) &&
+ (keydata->data[10] == 0x03) &&
+ (keydata->data[11] == 0x02) &&
+ (keydata->data[12] == 0x08) &&
+ (keydata->data[13] == 0x01) &&
+ (keydata->data[14] == 0x01) &&
+ (keydata->data[15] == 0x07)) {
+ length = 256;
+ /* brainpoolP384r1 / 1.3.36.3.3.2.8.1.1.11 */
+ } else if ((keydata->data[6] == 9) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x24) &&
+ (keydata->data[9] == 0x03) &&
+ (keydata->data[10] == 0x03) &&
+ (keydata->data[11] == 0x02) &&
+ (keydata->data[12] == 0x08) &&
+ (keydata->data[13] == 0x01) &&
+ (keydata->data[14] == 0x01) &&
+ (keydata->data[15] == 0x0B)) {
+ length = 384;
+ /* brainpoolP512r1 / 1.3.36.3.3.2.8.1.1.13 */
+ } else if ((keydata->data[6] == 9) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x24) &&
+ (keydata->data[9] == 0x03) &&
+ (keydata->data[10] == 0x03) &&
+ (keydata->data[11] == 0x02) &&
+ (keydata->data[12] == 0x08) &&
+ (keydata->data[13] == 0x01) &&
+ (keydata->data[14] == 0x01) &&
+ (keydata->data[15] == 0x0D)) {
+ length = 512;
+ /* secp256k1 / 1.3.132.0.10 */
+ } else if ((keydata->data[6] == 5) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x81) &&
+ (keydata->data[9] == 0x04) &&
+ (keydata->data[10] == 0x00) &&
+ (keydata->data[11] == 0x0A)) {
+ length = 256;