Possible enhancement to OpenPGP card specification 2.0.1
- p22: 4.3.3.6 Algorithm Attributes
| 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 |
- p23: 4.3.3.7 Private Key Template
| 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... |
- p41: 7.2.9 PSO: Decipher Decryption by ECDH. TBD.
- p44: 7.2.11 Generate Asymmetric Key Pair 06 xx OID (optional???) 86 xx public key MPI