This test verifies that ECDSA_UCLASS is implemented, and that ecdsa_verify() works as expected. The definition of "expected" is "does not find a device, and returns -ENODEV".
The lack of a hardware-independent ECDSA implementation prevents us from having one in the sandbox, for now.
Signed-off-by: Alexandru Gagniuc mr.nuke.me@gmail.com --- configs/sandbox_defconfig | 2 ++ test/dm/Makefile | 1 + test/dm/ecdsa.c | 38 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 41 insertions(+) create mode 100644 test/dm/ecdsa.c
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig index 5bc90d09a8..bb73cab18d 100644 --- a/configs/sandbox_defconfig +++ b/configs/sandbox_defconfig @@ -283,3 +283,5 @@ CONFIG_TEST_FDTDEC=y CONFIG_UNIT_TEST=y CONFIG_UT_TIME=y CONFIG_UT_DM=y +CONFIG_ECDSA=y +CONFIG_ECDSA_VERIFY=y diff --git a/test/dm/Makefile b/test/dm/Makefile index fd1455109d..7d1870f941 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_CLK) += clk.o clk_ccf.o obj-$(CONFIG_CROS_EC) += cros_ec.o obj-$(CONFIG_DEVRES) += devres.o obj-$(CONFIG_VIDEO_MIPI_DSI) += dsi_host.o +obj-$(CONFIG_ECDSA_VERIFY) += ecdsa.o obj-$(CONFIG_DM_ETH) += eth.o obj-$(CONFIG_FIRMWARE) += firmware.o obj-$(CONFIG_DM_GPIO) += gpio.o diff --git a/test/dm/ecdsa.c b/test/dm/ecdsa.c new file mode 100644 index 0000000000..23d57dd47f --- /dev/null +++ b/test/dm/ecdsa.c @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <crypto/ecdsa-uclass.h> +#include <dm.h> +#include <dm/test.h> +#include <test/ut.h> +#include <u-boot/ecdsa.h> + +/* + * Basic test of the ECDSA uclass and ecdsa_verify() + * + * ECDSA implementations in u-boot are hardware-dependent. Until we have a + * software implementation that can be compiled into the sandbox, all we can + * test is the uclass support. + * + * The uclass_get() test is redundant since ecdsa_verify() would also fail. We + * run both functions in order to isolate the cause more clearly. i.e. is + * ecdsa_verify() failing because the UCLASS is absent/broken? + */ +static int dm_test_ecdsa_verify(struct unit_test_state *uts) +{ + const struct ecdsa_ops *ops; + struct uclass *ucp; + + const struct checksum_algo algo = { + .checksum_len = 256, + }; + + struct image_sign_info info = { + .checksum = &algo, + }; + + ut_assertok(uclass_get(UCLASS_ECDSA, &ucp)); + ut_assertnonnull(ucp); + ut_assert(ecdsa_verify(&info, NULL, 0, NULL, 0) == -ENODEV); + return 0; +} +DM_TEST(dm_test_ecdsa_verify, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);