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refactor: clean up features

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This commit is contained in:
Bobbin Threadbare
2023-10-03 18:08:36 -07:00
parent 025c25fdd9
commit cf91c89845
12 changed files with 110 additions and 76 deletions
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26
src/dsa/rpo_falcon512/falcon_c/rpo.c
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@@ -14,7 +14,7 @@
#define M 12289
// From https://github.com/ncw/iprime/blob/master/mod_math_noasm.go
uint64_t add_mod_p(uint64_t a, uint64_t b)
static uint64_t add_mod_p(uint64_t a, uint64_t b)
{
a = P - a;
uint64_t res = b - a;
@@ -23,7 +23,7 @@ uint64_t add_mod_p(uint64_t a, uint64_t b)
return res;
}
uint64_t sub_mod_p(uint64_t a, uint64_t b)
static uint64_t sub_mod_p(uint64_t a, uint64_t b)
{
uint64_t r = a - b;
if (a < b)
@@ -31,7 +31,7 @@ uint64_t sub_mod_p(uint64_t a, uint64_t b)
return r;
}
uint64_t reduce_mod_p(uint64_t b, uint64_t a)
static uint64_t reduce_mod_p(uint64_t b, uint64_t a)
{
uint32_t d = b >> 32,
c = b;
@@ -43,7 +43,7 @@ uint64_t reduce_mod_p(uint64_t b, uint64_t a)
return a;
}
uint64_t mult_mod_p(uint64_t x, uint64_t y)
static uint64_t mult_mod_p(uint64_t x, uint64_t y)
{
uint32_t a = x,
b = x >> 32,
@@ -85,7 +85,7 @@ static const uint64_t NUM_ROUNDS = 7;
/*
* MDS matrix
*/
const uint64_t MDS[12][12] = {
static const uint64_t MDS[12][12] = {
{ 7, 23, 8, 26, 13, 10, 9, 7, 6, 22, 21, 8 },
{ 8, 7, 23, 8, 26, 13, 10, 9, 7, 6, 22, 21 },
{ 21, 8, 7, 23, 8, 26, 13, 10, 9, 7, 6, 22 },
@@ -103,7 +103,7 @@ const uint64_t MDS[12][12] = {
/*
* Round constants.
*/
const uint64_t ARK1[7][12] = {
static const uint64_t ARK1[7][12] = {
{
5789762306288267392ULL,
6522564764413701783ULL,
@@ -304,7 +304,7 @@ const uint64_t ARK2[7][12] = {
},
};
void apply_sbox(uint64_t *const state)
static void apply_sbox(uint64_t *const state)
{
for (uint64_t i = 0; i < STATE_WIDTH; i++)
{
@@ -315,7 +315,7 @@ void apply_sbox(uint64_t *const state)
}
}
void apply_mds(uint64_t *state)
static void apply_mds(uint64_t *state)
{
uint64_t res[STATE_WIDTH];
for (uint64_t i = 0; i < STATE_WIDTH; i++)
@@ -336,7 +336,7 @@ void apply_mds(uint64_t *state)
}
}
void apply_constants(uint64_t *const state, const uint64_t *ark)
static void apply_constants(uint64_t *const state, const uint64_t *ark)
{
for (uint64_t i = 0; i < STATE_WIDTH; i++)
{
@@ -344,7 +344,7 @@ void apply_constants(uint64_t *const state, const uint64_t *ark)
}
}
void exp_acc(const uint64_t m, const uint64_t *base, const uint64_t *tail, uint64_t *const res)
static void exp_acc(const uint64_t m, const uint64_t *base, const uint64_t *tail, uint64_t *const res)
{
for (uint64_t i = 0; i < m; i++)
{
@@ -367,7 +367,7 @@ void exp_acc(const uint64_t m, const uint64_t *base, const uint64_t *tail, uint6
}
}
void apply_inv_sbox(uint64_t *const state)
static void apply_inv_sbox(uint64_t *const state)
{
uint64_t t1[STATE_WIDTH];
for (uint64_t i = 0; i < STATE_WIDTH; i++)
@@ -435,7 +435,7 @@ void apply_inv_sbox(uint64_t *const state)
}
}
void apply_round(uint64_t *const state, const uint64_t round)
static void apply_round(uint64_t *const state, const uint64_t round)
{
apply_mds(state);
apply_constants(state, ARK1[round]);
@@ -579,4 +579,4 @@ void PQCLEAN_FALCON512_CLEAN_hash_to_point_rpo(rpo128_context *rc, uint16_t *x,
*x++ = (uint16_t)w;
n--;
}
}
}