new file:   ec/Makefile
	new file:   ec/include/ec.h
	new file:   ec/src/add_test.c
	new file:   ec/src/bit_test.c
	new file:   ec/src/ec_add.c
	new file:   ec/src/ec_clear.c
	new file:   ec/src/ec_init.c
	new file:   ec/src/ec_mul.c
	new file:   ec/src/ec_set.c
	new file:   ec/src/ec_util.c
	new file:   ec/src/mul_test.c