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Adding support for generating more than 32 bytes at a time.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-03-04 10:46:10 +01:00
parent 41f0b53dd5
commit 59833d08eb
7 changed files with 28 additions and 24 deletions
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16
openpgp-do.c
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@@ -1472,7 +1472,7 @@ gpg_do_write_prvkey (enum kind_of_key kk, const uint8_t *key_data,
compute_key_data_checksum (&kdi, prvkey_len, CKDC_CALC);
dek = random_bytes_get (); /* 32-byte random bytes */
dek = random_bytes_get (32); /* 32-byte random bytes */
iv = dek + DATA_ENCRYPTION_KEY_SIZE;
memcpy (pd->dek_encrypted_1, dek, DATA_ENCRYPTION_KEY_SIZE);
memcpy (pd->dek_encrypted_2, dek, DATA_ENCRYPTION_KEY_SIZE);
@@ -2532,7 +2532,7 @@ gpg_do_keygen (uint8_t *buf)
{
if (rnd)
random_bytes_free (rnd);
rnd = random_bytes_get ();
rnd = random_bytes_get (32);
r = ecc_check_secret_p256k1 (rnd, d1);
}
while (r == 0);
@@ -2553,7 +2553,7 @@ gpg_do_keygen (uint8_t *buf)
}
else if (attr == ALGO_CURVE25519)
{
rnd = random_bytes_get ();
rnd = random_bytes_get (32);
memcpy (d, rnd, 32);
random_bytes_free (rnd);
d[0] &= 248;
@@ -2564,7 +2564,7 @@ gpg_do_keygen (uint8_t *buf)
}
else if (attr == ALGO_ED25519)
{
rnd = random_bytes_get ();
rnd = random_bytes_get (32);
mbedtls_sha512_context ctx;
mbedtls_sha512_init(&ctx);
@@ -2584,11 +2584,11 @@ gpg_do_keygen (uint8_t *buf)
else if (attr == ALGO_ED448)
{
shake_context ctx;
rnd = random_bytes_get ();
rnd = random_bytes_get (32);
shake256_start (&ctx);
shake256_update (&ctx, rnd, 32);
random_bytes_free (rnd);
rnd = random_bytes_get ();
rnd = random_bytes_get (32);
shake256_update (&ctx, rnd, 25);
shake256_finish (&ctx, d, 2*57);
random_bytes_free (rnd);
@@ -2598,10 +2598,10 @@ gpg_do_keygen (uint8_t *buf)
}
else if (attr == ALGO_X448)
{
rnd = random_bytes_get ();
rnd = random_bytes_get (32);
memcpy (d, rnd, 32);
random_bytes_free (rnd);
rnd = random_bytes_get ();
rnd = random_bytes_get (32);
memcpy (d+32, rnd, 24);
prv = d;
ecdh_compute_public_x448 (pubkey, prv);