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Starting migration from gnuk to own solution.

Browse Source 
gnuk/openpgp will be left as another pkcs15 app.
Lots of work has been done in the meanwhile.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-02-13 01:17:14 +01:00
parent 210fa98ca4
commit 0017284103
19 changed files with 1910 additions and 966 deletions
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92
random.c
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@@ -31,93 +31,87 @@
#define RANDOM_BYTES_LENGTH 32
static uint32_t random_word[RANDOM_BYTES_LENGTH/sizeof (uint32_t)];
void
random_init (void)
void random_init (void)
{
int i;
int i;
neug_init (random_word, RANDOM_BYTES_LENGTH/sizeof (uint32_t));
neug_init (random_word, RANDOM_BYTES_LENGTH/sizeof (uint32_t));
for (i = 0; i < NEUG_PRE_LOOP; i++)
(void)neug_get (NEUG_KICK_FILLING);
for (i = 0; i < NEUG_PRE_LOOP; i++)
neug_get (NEUG_KICK_FILLING);
}
void
random_fini (void)
void random_fini (void)
{
neug_fini ();
neug_fini ();
}
/*
* Return pointer to random 32-byte
*/
const uint8_t *
random_bytes_get (void)
const uint8_t * random_bytes_get (void)
{
static uint32_t return_word[RANDOM_BYTES_LENGTH/sizeof (uint32_t)];
neug_wait_full ();
memcpy(return_word, random_word, sizeof(return_word));
return (const uint8_t *)return_word;
static uint32_t return_word[RANDOM_BYTES_LENGTH/sizeof (uint32_t)];
neug_wait_full ();
memcpy(return_word, random_word, sizeof(return_word));
return (const uint8_t *)return_word;
}
/*
* Free pointer to random 32-byte
*/
void
random_bytes_free (const uint8_t *p)
void random_bytes_free (const uint8_t *p)
{
(void)p;
memset (random_word, 0, RANDOM_BYTES_LENGTH);
neug_flush ();
(void)p;
memset (random_word, 0, RANDOM_BYTES_LENGTH);
neug_flush ();
}
/*
* Return 4-byte salt
*/
void
random_get_salt (uint8_t *p)
void random_get_salt (uint8_t *p)
{
uint32_t rnd;
uint32_t rnd;
rnd = neug_get (NEUG_KICK_FILLING);
memcpy (p, &rnd, sizeof (uint32_t));
rnd = neug_get (NEUG_KICK_FILLING);
memcpy (p + sizeof (uint32_t), &rnd, sizeof (uint32_t));
rnd = neug_get (NEUG_KICK_FILLING);
memcpy (p, &rnd, sizeof (uint32_t));
rnd = neug_get (NEUG_KICK_FILLING);
memcpy (p + sizeof (uint32_t), &rnd, sizeof (uint32_t));
}
/*
* Random byte iterator
*/
int
random_gen (void *arg, unsigned char *out, size_t out_len)
int random_gen (void *arg, unsigned char *out, size_t out_len)
{
uint8_t *index_p = (uint8_t *)arg;
uint8_t index = index_p ? *index_p : 0;
size_t n;
uint8_t *index_p = (uint8_t *)arg;
uint8_t index = index_p ? *index_p : 0;
size_t n;
while (out_len)
while (out_len)
{
neug_wait_full ();
neug_wait_full ();
n = RANDOM_BYTES_LENGTH - index;
if (n > out_len)
n = out_len;
n = RANDOM_BYTES_LENGTH - index;
if (n > out_len)
n = out_len;
memcpy (out, ((unsigned char *)random_word) + index, n);
out += n;
out_len -= n;
index += n;
memcpy (out, ((unsigned char *)random_word) + index, n);
out += n;
out_len -= n;
index += n;
if (index >= RANDOM_BYTES_LENGTH)
{
index = 0;
neug_flush ();
}
if (index >= RANDOM_BYTES_LENGTH)
{
index = 0;
neug_flush ();
}
}
if (index_p)
*index_p = index;
if (index_p)
*index_p = index;
return 0;
return 0;
}