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-rw-r--r--configs/sandbox_defconfig2
-rw-r--r--test/dm/Makefile1
-rw-r--r--test/dm/ecdsa.c38
3 files changed, 41 insertions, 0 deletions
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index bcd82f76ff4..8bb981d6f53 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -299,3 +299,5 @@ 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 d5c42e7643e..516f69d61cb 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -36,6 +36,7 @@ obj-$(CONFIG_DEVRES) += devres.o
obj-$(CONFIG_DMA) += dma.o
obj-$(CONFIG_VIDEO_MIPI_DSI) += dsi_host.o
obj-$(CONFIG_DM_DSA) += dsa.o
+obj-$(CONFIG_ECDSA_VERIFY) += ecdsa.o
obj-$(CONFIG_DM_ETH) += eth.o
ifneq ($(CONFIG_EFI_PARTITION),)
obj-$(CONFIG_FASTBOOT_FLASH_MMC) += fastboot.o
diff --git a/test/dm/ecdsa.c b/test/dm/ecdsa.c
new file mode 100644
index 00000000000..da535c98b59
--- /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)
+{
+ struct uclass *ucp;
+
+ 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_asserteq(-ENODEV, ecdsa_verify(&info, NULL, 0, NULL, 0));
+
+ return 0;
+}
+DM_TEST(dm_test_ecdsa_verify, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);