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ecc: added SOC_ECC_SUPPORT_POINT_VERIFY_QUIRK soc caps for esp32c2

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as the ESP32C2 ECC peripheral has a bug in ECC point verification,
if value of K is zero the verification fails
This commit is contained in:
harshal.patil
2023-05-15 11:19:01 +05:30
parent 647c2dabfe
commit 56ac7eee3b
3 changed files with 9 additions and 2 deletions
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4
components/hal/test_apps/ecc/main/test_ecc.c
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@@ -132,7 +132,7 @@ TEST_CASE("ECC point multiplication on SECP192R1 and SECP256R1", "[ecc][hal]")
} }
#endif #endif
#if SOC_ECC_SUPPORT_POINT_VERIFY #if SOC_ECC_SUPPORT_POINT_VERIFY && !defined(SOC_ECC_SUPPORT_POINT_VERIFY_QUIRK)
static int ecc_point_verify(const uint8_t *x_le, const uint8_t *y_le, uint8_t len) static int ecc_point_verify(const uint8_t *x_le, const uint8_t *y_le, uint8_t len)
{ {
ecc_enable_and_reset(); ecc_enable_and_reset();
@@ -182,7 +182,7 @@ TEST_CASE("ECC point verification on SECP192R1 and SECP256R1", "[ecc][hal]")
} }
#endif #endif
#if SOC_ECC_SUPPORT_POINT_MULT && SOC_ECC_SUPPORT_POINT_VERIFY #if SOC_ECC_SUPPORT_POINT_MULT && SOC_ECC_SUPPORT_POINT_VERIFY && !defined(SOC_ECC_SUPPORT_POINT_VERIFY_QUIRK)
TEST_CASE("ECC point verification and multiplication on SECP192R1 and SECP256R1", "[ecc][hal]") TEST_CASE("ECC point verification and multiplication on SECP192R1 and SECP256R1", "[ecc][hal]")
{ {
test_ecc_point_mul_inner(true); test_ecc_point_mul_inner(true);

4
components/soc/esp32c2/include/soc/Kconfig.soc_caps.in
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@@ -203,6 +203,10 @@ config SOC_CPU_IDRAM_SPLIT_USING_PMP
bool bool
default y default y
config SOC_ECC_SUPPORT_POINT_VERIFY_QUIRK
bool
default y
config SOC_GDMA_GROUPS config SOC_GDMA_GROUPS
int int
default 1 default 1

3
components/soc/esp32c2/include/soc/soc_caps.h
View File

@@ -98,6 +98,9 @@
#define SOC_CPU_IDRAM_SPLIT_USING_PMP 1 #define SOC_CPU_IDRAM_SPLIT_USING_PMP 1
/*-------------------------- ECC CAPS --------------------------*/
#define SOC_ECC_SUPPORT_POINT_VERIFY_QUIRK 1 // C2 ECC peripheral has a bug in ECC point verification, if value of K is zero the verification fails
/*-------------------------- GDMA CAPS -------------------------------------*/ /*-------------------------- GDMA CAPS -------------------------------------*/
#define SOC_GDMA_GROUPS (1U) // Number of GDMA groups #define SOC_GDMA_GROUPS (1U) // Number of GDMA groups
#define SOC_GDMA_PAIRS_PER_GROUP (1U) // Number of GDMA pairs in each group #define SOC_GDMA_PAIRS_PER_GROUP (1U) // Number of GDMA pairs in each group