ECDSA_size function
ECDSA_size returns the maximum size of an ASN.1-based ECDSA signature using
key. It returns zero if key is NULL or if it doesn't have a group set.
Implementation
@meta.RecordUse()
@ffi.Native<ffi.Size Function(ffi.Pointer<EC_KEY>)>(
symbol: 'bssl_dart_ECDSA_size',
)
external int ECDSA_size(
ffi.Pointer<EC_KEY> key,
);