const google.golang.org/grpc/credentials/alts/internal/conn.aeadKeyLen

2 uses

	google.golang.org/grpc/credentials/alts/internal/conn (current package)
		aeadrekey.go#L130: 	return mac.Sum(nil)[:aeadKeyLen]
		aes128gcmrekey.go#L32: 	aeadKeyLen                = 16