syntax="proto3";

//import "gogoproto/gogo.proto"

package sign;

//option (gogoproto.marshaler_all) = true;
//option (gogoproto.sizer_all) = true;
//option (gogoproto.unmarshaler_all) = true;
//option (gogoproto.goproto_getters_all) = false;

message header {
	uint32 chunk_size = 1;
	bytes  salt = 2;
	repeated wrapped_key keys = 3;
}

message wrapped_key {
	bytes pk_hash = 1; // hash of Ed25519 PK
	bytes pk = 2;	    // curve25519 PK
	bytes nonce = 3;    // AEAD nonce
	bytes key = 4;	    // AEAD encrypted key
}