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path: root/pwmanager/libcrypt/cipher/serpent.c
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Diffstat (limited to 'pwmanager/libcrypt/cipher/serpent.c') (more/less context) (ignore whitespace changes)
-rw-r--r--pwmanager/libcrypt/cipher/serpent.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/pwmanager/libcrypt/cipher/serpent.c b/pwmanager/libcrypt/cipher/serpent.c
index d606d9f..fb5df20 100644
--- a/pwmanager/libcrypt/cipher/serpent.c
+++ b/pwmanager/libcrypt/cipher/serpent.c
@@ -628,111 +628,111 @@ serpent_subkeys_generate (serpent_key_t key, serpent_subkeys_t subkeys)
SBOX (0, w, k, 12);
SBOX (7, w, k, 16);
SBOX (6, w, k, 20);
SBOX (5, w, k, 24);
SBOX (4, w, k, 28);
SBOX (3, w, k, 32);
SBOX (2, w, k, 36);
SBOX (1, w, k, 40);
SBOX (0, w, k, 44);
SBOX (7, w, k, 48);
SBOX (6, w, k, 52);
SBOX (5, w, k, 56);
SBOX (4, w, k, 60);
SBOX (3, w, k, 64);
SBOX (2, w, k, 68);
SBOX (1, w, k, 72);
SBOX (0, w, k, 76);
SBOX (7, w, k, 80);
SBOX (6, w, k, 84);
SBOX (5, w, k, 88);
SBOX (4, w, k, 92);
SBOX (3, w, k, 96);
SBOX (2, w, k, 100);
SBOX (1, w, k, 104);
SBOX (0, w, k, 108);
SBOX (7, w, k, 112);
SBOX (6, w, k, 116);
SBOX (5, w, k, 120);
SBOX (4, w, k, 124);
SBOX (3, w, k, 128);
/* Renumber subkeys. */
for (i = 0; i < ROUNDS + 1; i++)
for (j = 0; j < 4; j++)
subkeys[i][j] = k[4 * i + j];
}
/* Initialize CONTEXT with the key KEY of KEY_LENGTH bits. */
static void
serpent_setkey_internal (serpent_context_t *context,
const byte_t *key, unsigned int key_length)
{
serpent_key_t key_prepared;
serpent_key_prepare (key, key_length, key_prepared);
serpent_subkeys_generate (key_prepared, context->keys);
_gcry_burn_stack (272 * sizeof (u32_t));
}
-
+ static const char *serpent_test (void);
/* Initialize CTX with the key KEY of KEY_LENGTH bytes. */
static gcry_err_code_t
serpent_setkey (void *ctx,
const byte_t *key, unsigned int key_length)
{
serpent_context_t *context = ctx;
static const char *serpent_test_ret;
static int serpent_init_done;
gcry_err_code_t ret = GPG_ERR_NO_ERROR;
if (! serpent_init_done)
{
/* Execute a self-test the first time, Serpent is used. */
- static const char *serpent_test (void);
+
serpent_test_ret = serpent_test ();
if (serpent_test_ret)
log_error ("Serpent test failure: %s\n", serpent_test_ret);
serpent_init_done = 1;
}
if (serpent_test_ret)
ret = GPG_ERR_SELFTEST_FAILED;
else
{
serpent_setkey_internal (context, key, key_length);
_gcry_burn_stack (sizeof (serpent_key_t));
}
return ret;
}
static void
serpent_encrypt_internal (serpent_context_t *context,
const serpent_block_t input, serpent_block_t output)
{
serpent_block_t b, b_next;
int round = 0;
#ifdef WORDS_BIGENDIAN
b[0] = byte_swap_32 (input[0]);
b[1] = byte_swap_32 (input[1]);
b[2] = byte_swap_32 (input[2]);
b[3] = byte_swap_32 (input[3]);
#else
b[0] = input[0];
b[1] = input[1];
b[2] = input[2];
b[3] = input[3];
#endif
ROUND (0, context->keys, b, b_next);
ROUND (1, context->keys, b, b_next);
ROUND (2, context->keys, b, b_next);
ROUND (3, context->keys, b, b_next);
ROUND (4, context->keys, b, b_next);
ROUND (5, context->keys, b, b_next);
ROUND (6, context->keys, b, b_next);
ROUND (7, context->keys, b, b_next);
ROUND (0, context->keys, b, b_next);
ROUND (1, context->keys, b, b_next);
ROUND (2, context->keys, b, b_next);