espressif/esp-idf
1
0
Fork 1
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-07 22:54:33 +02:00
Code Issues Packages Projects Releases Wiki Activity

esp32c2/ecc: Remove support for inverse multiplication

Browse Source 
On C2, inverse multiplication (division) mode uses the modular base P
instead of N making it impractical for ECC crypto calculation
This commit is contained in:
Sachin Parekh
2023-03-06 18:52:54 +05:30
parent 413fa38a45
commit bbc99e5532
1 changed files with 0 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
components/hal/esp32c2/include/hal/ecc_ll.h
View File

@@ -41,9 +41,6 @@ static inline void ecc_ll_set_mode(ecc_mode_t mode)
case ECC_MODE_POINT_MUL:
REG_SET_FIELD(ECC_MULT_CONF_REG, ECC_MULT_WORK_MODE, 0);
break;
case ECC_MODE_INVERSE_MUL:
REG_SET_FIELD(ECC_MULT_CONF_REG, ECC_MULT_WORK_MODE, 1);
break;
case ECC_MODE_VERIFY:
REG_SET_FIELD(ECC_MULT_CONF_REG, ECC_MULT_WORK_MODE, 2);
break;