-$(eval $(call CfeImageDTB,HG556a_AB,hg556a-a,HW556,6358,HG556a_A,EchoLife_HG556a,--image-offset 0x20000 --block-size 0x10000 --tag-version 8))
-$(eval $(call CfeImageDTB,HG556a_AB,hg556a-b,HW556,6358,HG556a_B,EchoLife_HG556a,--image-offset 0x20000 --block-size 0x20000 --tag-version 8))
-$(eval $(call CfeImageDTB,HG556a_C,hg556a-c,HW556,6358,HG556a_C,EchoLife_HG556a,--image-offset 0x20000 --block-size 0x20000 --tag-version 8))
+$(eval $(call CfeImageDTB,HG556a_AB,hg556a-a,HW556,6358,HG556a_A,--rsa-signature "EchoLife_HG556a" --image-offset 0x20000 --block-size 0x10000 --tag-version 8))
+$(eval $(call CfeImageDTB,HG556a_AB,hg556a-b,HW556,6358,HG556a_B,--rsa-signature "EchoLife_HG556a" --image-offset 0x20000 --block-size 0x20000 --tag-version 8))
+$(eval $(call CfeImageDTB,HG556a_C,hg556a-c,HW556,6358,HG556a_C,--rsa-signature "EchoLife_HG556a" --image-offset 0x20000 --block-size 0x20000 --tag-version 8))