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/*
* Copyright (c) 2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <vlib/vlib.h>
#include <vppinfra/time.h>
#include <vppinfra/cache.h>
#include <vppinfra/error.h>
#include <vnet/crypto/crypto.h>
#include <unittest/crypto/crypto.h>
crypto_test_main_t crypto_test_main;
static int
sort_registrations (void *a0, void *a1)
{
unittest_crypto_test_registration_t **r0 = a0;
unittest_crypto_test_registration_t **r1 = a1;
return (strncmp (r0[0]->name, r1[0]->name, 256));
}
static clib_error_t *
test_crypto (vlib_main_t * vm, crypto_test_main_t * tm)
{
vnet_crypto_main_t *cm = &crypto_main;
unittest_crypto_test_registration_t *r = tm->test_registrations;
unittest_crypto_test_registration_t **rv = 0;
vnet_crypto_alg_data_t *ad;
vnet_crypto_op_t *ops = 0, *op;
u8 *computed_data = 0, *s = 0, *err = 0;
u32 computed_data_total_len = 0, n_ops = 0;
u32 i;
/* construct registration vector */
while (r)
{
vec_add1 (rv, r);
ad = vec_elt_at_index (cm->algs, r->alg);
for (i = 0; i < VNET_CRYPTO_OP_N_TYPES; i++)
{
vnet_crypto_op_id_t id = ad->op_by_type[i];
if (id == 0)
continue;
switch (i)
{
case VNET_CRYPTO_OP_TYPE_ENCRYPT:
case VNET_CRYPTO_OP_TYPE_DECRYPT:
case VNET_CRYPTO_OP_TYPE_AEAD_DECRYPT:
computed_data_total_len += r->ciphertext.length;
n_ops += 1;
break;
case VNET_CRYPTO_OP_TYPE_AEAD_ENCRYPT:
computed_data_total_len += r->ciphertext.length;
computed_data_total_len += r->tag.length;
n_ops += 1;
break;
case VNET_CRYPTO_OP_TYPE_HMAC:
computed_data_total_len += r->digest.length;
n_ops += 1;
break;
default:
break;
};
}
/* next */
r = r->next;
}
/* no tests registered */
if (n_ops == 0)
return 0;
vec_sort_with_function (rv, sort_registrations);
vec_validate_aligned (computed_data, computed_data_total_len - 1,
CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (ops, n_ops - 1, CLIB_CACHE_LINE_BYTES);
computed_data_total_len = 0;
op = ops;
/* *INDENT-OFF* */
vec_foreach_index (i, rv)
{
r = rv[i];
int t;
ad = vec_elt_at_index (cm->algs, r->alg);
for (t = 0; t < VNET_CRYPTO_OP_N_TYPES; t++)
{
vnet_crypto_op_id_t id = ad->op_by_type[t];
if (id == 0)
continue;
vnet_crypto_op_init (op, id);
switch (t)
{
case VNET_CRYPTO_OP_TYPE_ENCRYPT:
case VNET_CRYPTO_OP_TYPE_DECRYPT:
op->iv = r->iv.data;
op->iv_len = r->iv.length;
op->key = r->key.data;
op->key_len = r->key.length;
op->len = r->plaintext.length;
op->src = t == VNET_CRYPTO_OP_TYPE_ENCRYPT ?
r->plaintext.data : r->ciphertext.data;
op->dst = computed_data + computed_data_total_len;
computed_data_total_len += r->ciphertext.length;
break;
case VNET_CRYPTO_OP_TYPE_AEAD_ENCRYPT:
case VNET_CRYPTO_OP_TYPE_AEAD_DECRYPT:
op->iv = r->iv.data;
op->iv_len = r->iv.length;
op->key = r->key.data;
op->key_len = r->key.length;
op->aad = r->aad.data;
op->aad_len = r->aad.length;
op->len = r->plaintext.length;
op->dst = computed_data + computed_data_total_len;
computed_data_total_len += r->ciphertext.length;
if (t == VNET_CRYPTO_OP_TYPE_AEAD_ENCRYPT)
{
op->src = r->plaintext.data;
op->tag = computed_data + computed_data_total_len;
computed_data_total_len += r->tag.length;
}
else
{
op->src = r->ciphertext.data;
op->tag = r->tag.data;
}
op->tag_len = r->tag.length;
break;
case VNET_CRYPTO_OP_TYPE_HMAC:
op->key = r->key.data;
op->key_len = r->key.length;
op->src = r->plaintext.data;
op->len = r->plaintext.length;
op->digest_len = r->digest.length;
op->digest = computed_data + computed_data_total_len;
computed_data_total_len += r->digest.length;
break;
default:
break;
};
op->user_data = i;
op++;
}
}
/* *INDENT-ON* */
vnet_crypto_process_ops (vm, ops, vec_len (ops));
/* *INDENT-OFF* */
vec_foreach (op, ops)
{
int fail = 0;
r = rv[op->user_data];
unittest_crypto_test_data_t *exp_pt = 0, *exp_ct = 0;
unittest_crypto_test_data_t *exp_digest = 0, *exp_tag = 0;
switch (vnet_crypto_get_op_type (op->op))
{
case VNET_CRYPTO_OP_TYPE_AEAD_ENCRYPT:
exp_tag = &r->tag;
/* fall through */
case VNET_CRYPTO_OP_TYPE_ENCRYPT:
exp_ct = &r->ciphertext;
break;
case VNET_CRYPTO_OP_TYPE_AEAD_DECRYPT:
case VNET_CRYPTO_OP_TYPE_DECRYPT:
exp_pt = &r->plaintext;
break;
case VNET_CRYPTO_OP_TYPE_HMAC:
exp_digest = &r->digest;
break;
default:
break;
}
vec_reset_length (err);
if (op->status != VNET_CRYPTO_OP_STATUS_COMPLETED)
err = format (err, "%sengine error: %U", vec_len (err) ? ", " : "",
format_vnet_crypto_op_status, op->status);
if (exp_ct && memcmp (op->dst, exp_ct->data, exp_ct->length) != 0)
err = format (err, "%sciphertext mismatch",
vec_len (err) ? ", " : "");
if (exp_pt && memcmp (op->dst, exp_pt->data, exp_pt->length) != 0)
err = format (err, "%splaintext mismatch", vec_len (err) ? ", " : "");
if (exp_tag && memcmp (op->tag, exp_tag->data, exp_tag->length) != 0)
err = format (err, "%stag mismatch", vec_len (err) ? ", " : "");
if (exp_digest &&
memcmp (op->digest, exp_digest->data, exp_digest->length) != 0)
err = format (err, "%sdigest mismatch", vec_len (err) ? ", " : "");
vec_reset_length (s);
s = format (s, "%s (%U)", r->name, format_vnet_crypto_op, op->op);
if (vec_len (err))
fail = 1;
vlib_cli_output (vm, "%-60v%s%v", s, vec_len (err) ? "FAIL: " : "OK",
err);
if (tm->verbose)
{
if (tm->verbose == 2)
fail = 1;
if (exp_ct && fail)
vlib_cli_output (vm, "Expected ciphertext:\n%U"
"\nCalculated ciphertext:\n%U",
format_hexdump, exp_ct->data, exp_ct->length,
format_hexdump, op->dst, exp_ct->length);
if (exp_pt && fail)
vlib_cli_output (vm, "Expected plaintext:\n%U"
"\nCalculated plaintext:\n%U",
format_hexdump, exp_pt->data, exp_pt->length,
format_hexdump, op->dst, exp_pt->length);
if (r->tag.length && fail)
vlib_cli_output (vm, "Expected tag:\n%U"
"\nCalculated tag:\n%U",
format_hexdump, r->tag.data, r->tag.length,
format_hexdump, op->tag, op->tag_len);
if (exp_digest && fail)
vlib_cli_output (vm, "Expected digest:\n%U"
"\nCalculated Digest:\n%U",
format_hexdump, exp_digest->data,
exp_digest->length, format_hexdump, op->digest,
op->digest_len);
}
}
/* *INDENT-ON* */
vec_free (computed_data);
vec_free (ops);
vec_free (err);
vec_free (rv);
vec_free (s);
return 0;
}
static clib_error_t *
test_crypto_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
crypto_test_main_t *tm = &crypto_test_main;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "verbose"))
tm->verbose = 1;
else if (unformat (input, "detail"))
tm->verbose = 2;
else
return clib_error_return (0, "unknown input '%U'",
format_unformat_error, input);
}
return test_crypto (vm, tm);
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (test_crypto_command, static) =
{
.path = "test crypto",
.short_help = "test crypto",
.function = test_crypto_command_fn,
};
/* *INDENT-ON* */
static clib_error_t *
crypto_test_init (vlib_main_t * vm)
{
return (0);
}
VLIB_INIT_FUNCTION (crypto_test_init);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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