Possible enhancement to OpenPGP card specification 2.0.1

Byte Length Value
01 01 Algorithm ID (RFC6637), 19 = ECDSA
02- any OID of the curve, e.g.: 2A 86 48 CE 3D 03 01 07 for NIST P-256, 2B 81 04 00 0A for secp256k1
4D xx Extended Header list
B6 or B8 or A4 00 Control Reference Template to indicate the private key
7F48 xx cardholder private key template
??9x?? Ld 9x=Tag of private key d, Ld=Length of private key d
5F48 xx keydata...

OpenPGPcardECC (last edited 2014-02-25 01:50:50 by gniibe)