ASN.1 Object Identifier,OID Len,Curve OID Octets,Curve Name,Usage,Field Size (fsize),Reference 1.2.840.10045.3.1.7,8,2A 86 48 CE 3D 03 01 07,NIST P-256,"ECDSA, ECDH",32,[RFC9580] 1.3.132.0.34,5,2B 81 04 00 22,NIST P-384,"ECDSA, ECDH",48,[RFC9580] 1.3.132.0.35,5,2B 81 04 00 23,NIST P-521,"ECDSA, ECDH",66,[RFC9580] 1.3.36.3.3.2.8.1.1.7,9,2B 24 03 03 02 08 01 01 07,brainpoolP256r1,"ECDSA, ECDH",32,[RFC9580] 1.3.36.3.3.2.8.1.1.11,9,2B 24 03 03 02 08 01 01 0B,brainpoolP384r1,"ECDSA, ECDH",48,[RFC9580] 1.3.36.3.3.2.8.1.1.13,9,2B 24 03 03 02 08 01 01 0D,brainpoolP512r1,"ECDSA, ECDH",64,[RFC9580] 1.3.6.1.4.1.11591.15.1,9,2B 06 01 04 01 DA 47 0F 01,Ed25519Legacy,EdDSALegacy,32,[RFC9580] 1.3.6.1.4.1.3029.1.5.1,10,2B 06 01 04 01 97 55 01 05 01,Curve25519Legacy,ECDH,32,[RFC9580]