Constant ECDSA_P256 

pub const ECDSA_P256: AlgorithmIdentifier;

Available on crate feature crypto only.

AlgorithmIdentifier for id-ecPublicKey with named curve secp256r1.

This is:

# ecPublicKey
OBJECT_IDENTIFIER { 1.2.840.10045.2.1 }
# secp256r1
OBJECT_IDENTIFIER { 1.2.840.10045.3.1.7 }