third_party/cose-c/include/cose/cose_configure.h

#define USE_EDDSA

#define INCLUDE_ENCRYPT 0
#define INCLUDE_ENCRYPT0 0
#define INCLUDE_MAC 0
#define INCLUDE_MAC0 0
#define INCLUDE_SIGN 0
#define INCLUDE_SIGN1 1
#define INCLUDE_COUNTERSIGNATURE 0
#define INCLUDE_COUNTERSIGNATURE1 0