SignatureScheme Value,Signature Algorithm,Reference
0x0000-0x0402,Unassigned,
ecdsa_secp256r1_sha256 (0x0403),ECDSA (NIST P-256) with SHA-256,[FIPS186-4]
ecdsa_secp256r1_sha256 (0x0403),Deterministic ECDSA (NIST P-256) with HMAC-SHA256,[RFC6979]
0x0404-0x0806,Unassigned,
ed25519 (0x0807),Ed25519 (PureEdDSA with the edwards25519 curve),[RFC8032]
0x0808-0xFDFF,Unassigned,
0xFE00-0xFEFF,Reserved for Experimental Use,[RFC9162]
0xFF00-0xFFFF,Reserved for Private Use,[RFC9162]