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Merge pull request #15289 from OpenNuvoton/nuvoton_m487_des_ecp 

M487: Fix crypto h/w port
pull/15293/head
Martin Kojtal 2022-05-30 09:27:18 +01:00 committed by GitHub
parent 1ab98dec9a b402c97136
commit b6fadd3221
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 1 deletions
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2
connectivity/drivers/mbedtls/TARGET_NUVOTON/TARGET_M480/des/des_alt.c
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@ -375,7 +375,7 @@ static int mbedtls_des_docrypt(uint16_t keyopt, uint8_t key[3][MBEDTLS_DES_KEY_S
* 1. BE for byte sequence in word
* 2. BE for word sequence in double-word
*/
TDES_Open(CRPT
TDES_Open(CRPT,
0, // Channel number (0~4)
enc, // 0: decode, 1: encode
(tdes_opmode & CRPT_TDES_CTL_TMODE_Msk) ? 1 : 0, // 0: DES, 1: TDES

5
connectivity/drivers/mbedtls/TARGET_NUVOTON/TARGET_M480/ecp/ecp_internal_alt.c
View File

@ -502,6 +502,11 @@ NU_STATIC int internal_run_eccop(const mbedtls_ecp_group *grp,
return MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED;
}
/* NOTE: Engine doesn't support P + Q when P and Q are the same. Workaround by 2*P */
if (mbedtls_ecp_point_cmp(P, Q) == 0) {
return internal_run_eccop(grp, R, NULL, P, NULL, NULL, ECCOP_POINT_DOUBLE);
}
int ret;
bool ecc_done;