The same OID serves as key type and signature algorithm, and its AlgorithmIdentifier has no parameters. Its DER is 06 03 2B 65 70, the bytes visible near the start of every Ed25519 SPKI (RFC 8410 §4).
1.3.101.112
id-Ed25519
id-Ed25519 identifies an Ed25519 key or signature in X.509 (RFC 8410).
1.3.101.112 identifies id-Ed25519, a signature algorithm. DER: 06032b6570.
- Dotted notation
1.3.101.112- DER encoding
06032b6570- Category
- a signature algorithm
- Also known as
Ed25519- OpenSSL short name
ED25519- Curve
- edwards25519
- Listed by
- the ecdsa.com catalog