Constant ECDSA_P256K1 

pub const ECDSA_P256K1: AlgorithmIdentifier;

AlgorithmIdentifier for id-ecPublicKey with named curve secp256k1.

This is:

# ecPublicKey
OBJECT_IDENTIFIER { 1.2.840.10045.2.1 }
# secp256k1
OBJECT_IDENTIFIER { 1.3.132.0.10 }