eden-emu/mbedtls
15
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Remove function pointers from curve structure

Browse source 
They're not needed in practice, and removing them decreases the code size
slightly and provides less opportunities for an attacker.
This commit is contained in:
Manuel Pégourié-Gonnard 2019-11-21 09:18:29 +01:00
parent e714332563
commit 1c6f7eae2d
3 changed files with 10 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

2
tinycrypt/ecc_dsa.c
View file

@ -280,7 +280,7 @@ int uECC_verify(const uint8_t *public_key, const uint8_t *message_hash,
for (i = num_bits - 2; i >= 0; --i) {
uECC_word_t index;
curve->double_jacobian(rx, ry, z, curve);
double_jacobian_default(rx, ry, z, curve);
index = (!!uECC_vli_testBit(u1, i)) | ((!!uECC_vli_testBit(u2, i)) << 1);
point = points[index];