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84e665848675afdc8e76fcbfb2bd65bccd4f25a8
vpp/src/plugins/unittest/crypto_test.c
Benoît Ganne 84e6658486 ipsec: add support for RFC-4543 ENCR_NULL_AUTH_AES_GMAC 
Type: improvement

Change-Id: I830f7a2ea3ac0aff5185698b9fa7a278c45116b0
Signed-off-by: Benoît Ganne <bganne@cisco.com>
2023-08-08 10:16:26 +00:00

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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 void
print_results (vlib_main_t * vm, unittest_crypto_test_registration_t ** rv,
vnet_crypto_op_t * ops, vnet_crypto_op_chunk_t * chunks,
u32 n_ops, crypto_test_main_t * tm)
{
int i;
unittest_crypto_test_registration_t *r;
vnet_crypto_op_chunk_t *chp;
u8 *s = 0, *err = 0;
vnet_crypto_op_t *op;
vec_foreach (op, ops)
{
int fail = 0;
r = rv[op->user_data];
unittest_crypto_test_data_t *exp_pt = 0, *exp_ct = 0, exp_pt_data;
unittest_crypto_test_data_t *exp_digest = 0, *exp_tag = 0;
unittest_crypto_test_data_t *exp_pt_chunks = 0, *exp_ct_chunks = 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;
exp_ct_chunks = r->ct_chunks;
break;
case VNET_CRYPTO_OP_TYPE_AEAD_DECRYPT:
case VNET_CRYPTO_OP_TYPE_DECRYPT:
if (r->plaintext_incremental)
{
exp_pt_data.length = r->plaintext_incremental;
exp_pt_data.data = tm->inc_data;
exp_pt = &exp_pt_data;
}
else
{
exp_pt = &r->plaintext;
exp_pt_chunks = r->pt_chunks;
}
break;
case VNET_CRYPTO_OP_TYPE_HMAC:
exp_digest = &r->digest;
break;
case VNET_CRYPTO_OP_TYPE_HASH:
exp_digest = &r->digest;
break;
default:
ASSERT (0);
}
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 (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)
{
if (exp_ct_chunks)
{
chp = vec_elt_at_index (chunks, op->chunk_index);
for (i = 0; i < op->n_chunks; i++)
{
if (memcmp (chp->dst, exp_ct_chunks[i].data, chp->len))
err = format (err, "%sciphertext mismatch [chunk %d]",
vec_len (err) ? ", " : "", i);
chp += 1;
}
}
if (exp_pt_chunks)
{
chp = vec_elt_at_index (chunks, op->chunk_index);
for (i = 0; i < op->n_chunks; i++)
{
if (memcmp (chp->dst, exp_pt_chunks[i].data, chp->len))
err = format (err, "%splaintext mismatch [chunk %d]",
vec_len (err) ? ", " : "", i);
chp += 1;
}
}
}
else
{
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,
r->is_chained);
if (vec_len (err))
fail = 1;
vlib_cli_output (vm, "%-65v%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);
}
}
vec_free (err);
vec_free (s);
}
static void
validate_data (u8 ** data, u32 len)
{
u32 i, diff, old_len;
if (vec_len (data[0]) >= len)
return;
old_len = vec_len (data[0]);
diff = len - vec_len (data[0]);
vec_validate (data[0], old_len + diff - 1);
for (i = old_len; i < len; i++)
data[0][i] = (u8) i;
}
static void
generate_digest (vlib_main_t * vm,
unittest_crypto_test_registration_t * r,
vnet_crypto_op_id_t id)
{
crypto_test_main_t *cm = &crypto_test_main;
vnet_crypto_op_t op[1];
vnet_crypto_op_init (op, id);
vec_validate (r->digest.data, r->digest.length - 1);
op->src = cm->inc_data;
op->len = r->plaintext_incremental;
op->digest = r->digest.data;
op->digest_len = r->digest.length;
op->key_index = vnet_crypto_key_add (vm, r->alg,
cm->inc_data, r->key.length);
/* at this point openssl is set for each algo */
vnet_crypto_process_ops (vm, op, 1);
}
static int
restore_engines (u32 * engs)
{
vnet_crypto_main_t *cm = &crypto_main;
u32 i;
vnet_crypto_engine_t *ce;
for (i = 1; i < VNET_CRYPTO_N_OP_IDS; i++)
{
vnet_crypto_op_data_t *od = &cm->opt_data[i];
if (engs[i] != ~0)
{
ce = vec_elt_at_index (cm->engines, engs[i]);
od->active_engine_index_simple = engs[i];
cm->ops_handlers[i] = ce->ops_handlers[i];
}
}
return 0;
}
static int
save_current_engines (u32 * engs)
{
vnet_crypto_main_t *cm = &crypto_main;
uword *p;
u32 i;
vnet_crypto_engine_t *ce;
p = hash_get_mem (cm->engine_index_by_name, "openssl");
if (!p)
return -1;
ce = vec_elt_at_index (cm->engines, p[0]);
/* set openssl for all crypto algs to generate expected data */
for (i = 1; i < VNET_CRYPTO_N_OP_IDS; i++)
{
vnet_crypto_op_data_t *od = &cm->opt_data[i];
if (od->active_engine_index_simple != ~0)
{
/* save engine index */
engs[i] = od->active_engine_index_simple;
od->active_engine_index_simple = ce - cm->engines;
cm->ops_handlers[i] = ce->ops_handlers[i];
}
}
return 0;
}
static clib_error_t *
test_crypto_incremental (vlib_main_t * vm, crypto_test_main_t * tm,
unittest_crypto_test_registration_t ** rv, u32 n_ops,
u32 computed_data_total_len)
{
vnet_crypto_main_t *cm = &crypto_main;
vnet_crypto_alg_data_t *ad;
vnet_crypto_key_index_t *key_indices = 0;
u32 i;
unittest_crypto_test_registration_t *r;
vnet_crypto_op_t *ops = 0, *op;
u8 *encrypted_data = 0, *decrypted_data = 0, *s = 0, *err = 0;
if (n_ops == 0)
return 0;
vec_validate_aligned (encrypted_data, computed_data_total_len - 1,
CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (decrypted_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;
/* first stage: encrypt only */
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;
switch (t)
{
case VNET_CRYPTO_OP_TYPE_ENCRYPT:
vnet_crypto_op_init (op, id);
op->iv = tm->inc_data;
op->key_index = vnet_crypto_key_add (vm, r->alg,
tm->inc_data, r->key.length);
vec_add1 (key_indices, op->key_index);
op->len = r->plaintext_incremental;
op->src = tm->inc_data;
op->dst = encrypted_data + computed_data_total_len;
computed_data_total_len += r->plaintext_incremental;
op->user_data = i;
op++;
break;
case VNET_CRYPTO_OP_TYPE_AEAD_ENCRYPT:
vnet_crypto_op_init (op, id);
op->iv = tm->inc_data;
op->key_index = vnet_crypto_key_add (vm, r->alg,
tm->inc_data, r->key.length);
vec_add1 (key_indices, op->key_index);
op->aad = tm->inc_data;
op->aad_len = r->aad.length;
op->len = r->plaintext_incremental;
op->dst = encrypted_data + computed_data_total_len;
computed_data_total_len += r->plaintext_incremental;
op->src = tm->inc_data;
op->tag = encrypted_data + computed_data_total_len;
computed_data_total_len += r->tag.length;
op->tag_len = r->tag.length;
op->user_data = i;
op++;
break;
case VNET_CRYPTO_OP_TYPE_HMAC:
/* compute hmac in the next stage */
op->op = VNET_CRYPTO_OP_NONE;
computed_data_total_len += r->digest.length;
op->user_data = i;
op++;
break;
default:
break;
};
}
}
vnet_crypto_process_ops (vm, ops, n_ops);
computed_data_total_len = 0;
/* second stage: hash/decrypt previously encrypted data */
op = ops;
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;
switch (t)
{
case VNET_CRYPTO_OP_TYPE_DECRYPT:
vnet_crypto_op_init (op, id);
op->iv = tm->inc_data;
op->key_index = vnet_crypto_key_add (vm, r->alg,
tm->inc_data, r->key.length);
vec_add1 (key_indices, op->key_index);
op->len = r->plaintext_incremental;
op->src = encrypted_data + computed_data_total_len;
op->dst = decrypted_data + computed_data_total_len;
computed_data_total_len += r->plaintext_incremental;
op->user_data = i;
op++;
break;
case VNET_CRYPTO_OP_TYPE_AEAD_DECRYPT:
vnet_crypto_op_init (op, id);
op->iv = tm->inc_data;
op->key_index = vnet_crypto_key_add (vm, r->alg,
tm->inc_data, r->key.length);
vec_add1 (key_indices, op->key_index);
op->aad = tm->inc_data;
op->aad_len = r->aad.length;
op->len = r->plaintext_incremental;
op->dst = decrypted_data + computed_data_total_len;
op->src = encrypted_data + computed_data_total_len;
computed_data_total_len += r->plaintext_incremental;
op->tag = encrypted_data + computed_data_total_len;
computed_data_total_len += r->tag.length;
op->tag_len = r->tag.length;
op->user_data = i;
op++;
break;
case VNET_CRYPTO_OP_TYPE_HMAC:
vnet_crypto_op_init (op, id);
op->key_index = vnet_crypto_key_add (vm, r->alg,
tm->inc_data, r->key.length);
vec_add1 (key_indices, op->key_index);
op->src = tm->inc_data;
op->len = r->plaintext_incremental;
op->digest_len = r->digest.length;
op->digest = encrypted_data + computed_data_total_len;
computed_data_total_len += r->digest.length;
op->user_data = i;
op++;
break;
default:
break;
};
}
}
vnet_crypto_process_ops (vm, ops, n_ops);
print_results (vm, rv, ops, 0, n_ops, tm);
vec_foreach_index (i, key_indices) vnet_crypto_key_del (vm, key_indices[i]);
vec_free (tm->inc_data);
vec_free (ops);
vec_free (encrypted_data);
vec_free (decrypted_data);
vec_free (err);
vec_free (s);
return 0;
}
static clib_error_t *
test_crypto_static (vlib_main_t * vm, crypto_test_main_t * tm,
unittest_crypto_test_registration_t ** rv, u32 n_ops,
u32 n_chained_ops, u32 computed_data_total_len)
{
unittest_crypto_test_data_t *pt, *ct;
vnet_crypto_op_chunk_t *chunks = 0, ch;
unittest_crypto_test_registration_t *r;
vnet_crypto_op_t *ops = 0, *op, *chained_ops = 0;
vnet_crypto_op_t *current_chained_op = 0, *current_op = 0;
vnet_crypto_main_t *cm = &crypto_main;
vnet_crypto_alg_data_t *ad;
vnet_crypto_key_index_t *key_indices = 0;
u8 *computed_data = 0;
u32 i;
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);
vec_validate_aligned (chained_ops, n_chained_ops - 1,
CLIB_CACHE_LINE_BYTES);
computed_data_total_len = 0;
current_op = ops;
current_chained_op = chained_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;
if (r->is_chained)
{
op = current_chained_op;
current_chained_op += 1;
}
else
{
op = current_op;
current_op += 1;
}
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->key_index = vnet_crypto_key_add (vm, r->alg,
r->key.data,
r->key.length);
vec_add1 (key_indices, op->key_index);
if (r->is_chained)
{
pt = r->pt_chunks;
ct = r->ct_chunks;
op->flags |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS;
op->chunk_index = vec_len (chunks);
while (pt->data)
{
ch.src = t == VNET_CRYPTO_OP_TYPE_ENCRYPT ?
pt->data : ct->data;
ch.len = pt->length;
ch.dst = computed_data + computed_data_total_len;
computed_data_total_len += pt->length;
vec_add1 (chunks, ch);
op->n_chunks++;
pt++;
ct++;
}
}
else
{
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:
if (r->is_chained)
{
op->iv = r->iv.data;
op->key_index = vnet_crypto_key_add (vm, r->alg,
r->key.data,
r->key.length);
vec_add1 (key_indices, op->key_index);
op->aad = r->aad.data;
op->aad_len = r->aad.length;
if (t == VNET_CRYPTO_OP_TYPE_AEAD_ENCRYPT)
{
pt = r->pt_chunks;
op->flags |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS;
op->chunk_index = vec_len (chunks);
while (pt->data)
{
clib_memset (&ch, 0, sizeof (ch));
ch.src = pt->data;
ch.len = pt->length;
ch.dst = computed_data + computed_data_total_len;
computed_data_total_len += pt->length;
vec_add1 (chunks, ch);
op->n_chunks++;
pt++;
}
op->tag = computed_data + computed_data_total_len;
computed_data_total_len += r->tag.length;
}
else
{
ct = r->ct_chunks;
op->flags |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS;
op->chunk_index = vec_len (chunks);
while (ct->data)
{
clib_memset (&ch, 0, sizeof (ch));
ch.src = ct->data;
ch.len = ct->length;
ch.dst = computed_data + computed_data_total_len;
computed_data_total_len += ct->length;
vec_add1 (chunks, ch);
op->n_chunks++;
ct++;
}
op->tag = r->tag.data;
}
op->tag_len = r->tag.length;
}
else
{
op->iv = r->iv.data;
op->key_index = vnet_crypto_key_add (vm, r->alg,
r->key.data,
r->key.length);
vec_add1 (key_indices, op->key_index);
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->tag = r->tag.data;
op->src = r->ciphertext.data;
}
op->tag_len = r->tag.length;
}
break;
case VNET_CRYPTO_OP_TYPE_HMAC:
if (r->is_chained)
{
op->key_index = vnet_crypto_key_add (vm, r->alg,
r->key.data,
r->key.length);
vec_add1 (key_indices, op->key_index);
op->digest_len = r->digest.length;
op->digest = computed_data + computed_data_total_len;
computed_data_total_len += r->digest.length;
pt = r->pt_chunks;
op->flags |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS;
op->chunk_index = vec_len (chunks);
while (pt->data)
{
clib_memset (&ch, 0, sizeof (ch));
ch.src = pt->data;
ch.len = pt->length;
vec_add1 (chunks, ch);
op->n_chunks++;
pt++;
}
}
else
{
op->key_index = vnet_crypto_key_add (vm, r->alg,
r->key.data,
r->key.length);
vec_add1 (key_indices, op->key_index);
op->digest_len = r->digest.length;
op->digest = computed_data + computed_data_total_len;
computed_data_total_len += r->digest.length;
op->src = r->plaintext.data;
op->len = r->plaintext.length;
}
break;
case VNET_CRYPTO_OP_TYPE_HASH:
op->digest = computed_data + computed_data_total_len;
computed_data_total_len += r->digest.length;
op->src = r->plaintext.data;
op->len = r->plaintext.length;
break;
default:
break;
};
op->user_data = i;
}
}
/* *INDENT-ON* */
vnet_crypto_process_ops (vm, ops, vec_len (ops));
vnet_crypto_process_chained_ops (vm, chained_ops, chunks,
vec_len (chained_ops));
print_results (vm, rv, ops, chunks, vec_len (ops), tm);
print_results (vm, rv, chained_ops, chunks, vec_len (chained_ops), tm);
vec_foreach_index (i, key_indices) vnet_crypto_key_del (vm, key_indices[i]);
vec_free (computed_data);
vec_free (ops);
vec_free (chained_ops);
vec_free (chunks);
return 0;
}
static u32
test_crypto_get_key_sz (vnet_crypto_alg_t alg)
{
switch (alg)
{
#define _(n, s, l) \
case VNET_CRYPTO_ALG_##n: \
return l;
/* *INDENT-OFF* */
foreach_crypto_cipher_alg
foreach_crypto_aead_alg
/* *INDENT-ON* */
#undef _
case VNET_CRYPTO_ALG_HMAC_MD5:
case VNET_CRYPTO_ALG_HMAC_SHA1:
return 20;
case VNET_CRYPTO_ALG_HMAC_SHA224:
return 28;
case VNET_CRYPTO_ALG_HMAC_SHA256:
return 32;
case VNET_CRYPTO_ALG_HMAC_SHA384:
return 48;
case VNET_CRYPTO_ALG_HMAC_SHA512:
return 64;
default:
return 0;
}
return 0;
}
static clib_error_t *
test_crypto (vlib_main_t * vm, crypto_test_main_t * tm)
{
clib_error_t *err = 0;
vnet_crypto_main_t *cm = &crypto_main;
unittest_crypto_test_registration_t *r = tm->test_registrations;
unittest_crypto_test_registration_t **static_tests = 0, **inc_tests = 0;
u32 i, j, n_ops_static = 0, n_ops_incr = 0, n_chained_ops = 0;
vnet_crypto_alg_data_t *ad;
u32 computed_data_total_len = 0;
u32 computed_data_total_incr_len = 0;
u32 saved_engs[VNET_CRYPTO_N_OP_IDS] = { ~0, };
unittest_crypto_test_data_t *ct;
/* pre-allocate plaintext data with reasonable length */
validate_data (&tm->inc_data, 2048);
int rc = save_current_engines (saved_engs);
if (rc)
return clib_error_return (0, "failed to set default crypto engine!");
/* construct registration vector */
while (r)
{
if (r->plaintext_incremental)
vec_add1 (inc_tests, r);
else
vec_add1 (static_tests, 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:
if (r->plaintext_incremental)
{
computed_data_total_incr_len += r->plaintext_incremental;
n_ops_incr += 1;
}
/* fall though */
case VNET_CRYPTO_OP_TYPE_DECRYPT:
case VNET_CRYPTO_OP_TYPE_AEAD_DECRYPT:
if (r->is_chained)
{
ct = r->ct_chunks;
j = 0;
while (ct->data)
{
if (j > CRYPTO_TEST_MAX_OP_CHUNKS)
return clib_error_return (0,
"test case '%s' exceeds extra data!",
r->name);
computed_data_total_len += ct->length;
ct++;
j++;
}
n_chained_ops += 1;
}
else if (!r->plaintext_incremental)
{
computed_data_total_len += r->ciphertext.length;
n_ops_static += 1;
}
break;
case VNET_CRYPTO_OP_TYPE_AEAD_ENCRYPT:
if (r->plaintext_incremental)
{
computed_data_total_incr_len += r->plaintext_incremental;
computed_data_total_incr_len += r->tag.length;
n_ops_incr += 1;
}
else
{
computed_data_total_len += r->ciphertext.length;
computed_data_total_len += r->tag.length;
if (r->is_chained)
{
ct = r->ct_chunks;
j = 0;
while (ct->data)
{
if (j > CRYPTO_TEST_MAX_OP_CHUNKS)
return clib_error_return (0,
"test case '%s' exceeds extra data!",
r->name);
computed_data_total_len += ct->length;
ct++;
j++;
}
n_chained_ops += 1;
}
else
n_ops_static += 1;
}
break;
case VNET_CRYPTO_OP_TYPE_HMAC:
if (r->plaintext_incremental)
{
computed_data_total_incr_len += r->digest.length;
n_ops_incr += 1;
generate_digest (vm, r, id);
}
else
{
computed_data_total_len += r->digest.length;
if (r->is_chained)
n_chained_ops += 1;
else
n_ops_static += 1;
}
break;
case VNET_CRYPTO_OP_TYPE_HASH:
computed_data_total_len += r->digest.length;
n_ops_static += 1;
break;
default:
break;
};
}
/* next: */
r = r->next;
}
restore_engines (saved_engs);
err = test_crypto_static (vm, tm, static_tests, n_ops_static, n_chained_ops,
computed_data_total_len);
if (err)
goto done;
err = test_crypto_incremental (vm, tm, inc_tests, n_ops_incr,
computed_data_total_incr_len);
r = tm->test_registrations;
while (r)
{
if (r->plaintext_incremental)
vec_free (r->digest.data);
r = r->next;
}
done:
vec_free (inc_tests);
vec_free (static_tests);
return err;
}
static clib_error_t *
test_crypto_perf (vlib_main_t * vm, crypto_test_main_t * tm)
{
vnet_crypto_main_t *cm = &crypto_main;
clib_error_t *err = 0;
u32 n_buffers, n_alloc = 0, warmup_rounds, rounds;
u32 *buffer_indices = 0;
vnet_crypto_op_t *ops1 = 0, *ops2 = 0, *op1, *op2;
vnet_crypto_alg_data_t *ad = vec_elt_at_index (cm->algs, tm->alg);
vnet_crypto_key_index_t key_index = ~0;
u8 key[64];
int buffer_size = vlib_buffer_get_default_data_size (vm);
u64 seed = clib_cpu_time_now ();
u64 t0[5], t1[5], t2[5], n_bytes = 0;
int i, j;
if (tm->buffer_size > buffer_size)
return clib_error_return (0, "buffer size must be <= %u", buffer_size);
rounds = tm->rounds ? tm->rounds : 100;
n_buffers = tm->n_buffers ? tm->n_buffers : 256;
buffer_size = tm->buffer_size ? tm->buffer_size : 2048;
warmup_rounds = tm->warmup_rounds ? tm->warmup_rounds : 100;
if (buffer_size > vlib_buffer_get_default_data_size (vm))
return clib_error_return (0, "buffer size too big");
vec_validate_aligned (buffer_indices, n_buffers - 1, CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (ops1, n_buffers - 1, CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (ops2, n_buffers - 1, CLIB_CACHE_LINE_BYTES);
n_alloc = vlib_buffer_alloc (vm, buffer_indices, n_buffers);
if (n_alloc != n_buffers)
{
if (n_alloc)
vlib_buffer_free (vm, buffer_indices, n_alloc);
err = clib_error_return (0, "buffer alloc failure");
goto done;
}
vlib_cli_output (vm, "%U: n_buffers %u buffer-size %u rounds %u "
"warmup-rounds %u",
format_vnet_crypto_alg, tm->alg, n_buffers, buffer_size,
rounds, warmup_rounds);
vlib_cli_output (vm, " cpu-freq %.2f GHz",
(f64) vm->clib_time.clocks_per_second * 1e-9);
vnet_crypto_op_type_t ot = 0;
for (i = 0; i < sizeof (key); i++)
key[i] = i;
key_index = vnet_crypto_key_add (vm, tm->alg, key,
test_crypto_get_key_sz (tm->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;
ot = i;
break;
}
for (i = 0; i < n_buffers; i++)
{
vlib_buffer_t *b = vlib_get_buffer (vm, buffer_indices[i]);
op1 = ops1 + i;
op2 = ops2 + i;
switch (ot)
{
case VNET_CRYPTO_OP_TYPE_ENCRYPT:
case VNET_CRYPTO_OP_TYPE_DECRYPT:
vnet_crypto_op_init (op1,
ad->op_by_type[VNET_CRYPTO_OP_TYPE_ENCRYPT]);
vnet_crypto_op_init (op2,
ad->op_by_type[VNET_CRYPTO_OP_TYPE_DECRYPT]);
op1->src = op2->src = op1->dst = op2->dst = b->data;
op1->key_index = op2->key_index = key_index;
op1->iv = op2->iv = b->data - 64;
n_bytes += op1->len = op2->len = buffer_size;
break;
case VNET_CRYPTO_OP_TYPE_AEAD_ENCRYPT:
case VNET_CRYPTO_OP_TYPE_AEAD_DECRYPT:
vnet_crypto_op_init (op1,
ad->op_by_type
[VNET_CRYPTO_OP_TYPE_AEAD_ENCRYPT]);
vnet_crypto_op_init (op2,
ad->op_by_type
[VNET_CRYPTO_OP_TYPE_AEAD_DECRYPT]);
op1->src = op2->src = op1->dst = op2->dst = b->data;
op1->key_index = op2->key_index = key_index;
op1->tag = op2->tag = b->data - 32;
op1->iv = op2->iv = b->data - 64;
op1->aad = op2->aad = b->data - VLIB_BUFFER_PRE_DATA_SIZE;
op1->aad_len = op2->aad_len = 64;
op1->tag_len = op2->tag_len = 16;
n_bytes += op1->len = op2->len = buffer_size;
break;
case VNET_CRYPTO_OP_TYPE_HMAC:
vnet_crypto_op_init (op1, ad->op_by_type[VNET_CRYPTO_OP_TYPE_HMAC]);
op1->src = b->data;
op1->key_index = key_index;
op1->iv = 0;
op1->digest = b->data - VLIB_BUFFER_PRE_DATA_SIZE;
op1->digest_len = 0;
n_bytes += op1->len = buffer_size;
break;
default:
return 0;
}
for (j = -VLIB_BUFFER_PRE_DATA_SIZE; j < buffer_size; j += 8)
*(u64 *) (b->data + j) = 1 + random_u64 (&seed);
}
for (i = 0; i < 5; i++)
{
for (j = 0; j < warmup_rounds; j++)
{
vnet_crypto_process_ops (vm, ops1, n_buffers);
if (ot != VNET_CRYPTO_OP_TYPE_HMAC)
vnet_crypto_process_ops (vm, ops2, n_buffers);
}
t0[i] = clib_cpu_time_now ();
for (j = 0; j < rounds; j++)
vnet_crypto_process_ops (vm, ops1, n_buffers);
t1[i] = clib_cpu_time_now ();
if (ot != VNET_CRYPTO_OP_TYPE_HMAC)
{
for (j = 0; j < rounds; j++)
vnet_crypto_process_ops (vm, ops2, n_buffers);
t2[i] = clib_cpu_time_now ();
}
}
for (i = 0; i < 5; i++)
{
f64 tpb1 = (f64) (t1[i] - t0[i]) / (n_bytes * rounds);
f64 gbps1 = vm->clib_time.clocks_per_second * 1e-9 * 8 / tpb1;
f64 tpb2, gbps2;
if (ot != VNET_CRYPTO_OP_TYPE_HMAC)
{
tpb2 = (f64) (t2[i] - t1[i]) / (n_bytes * rounds);
gbps2 = vm->clib_time.clocks_per_second * 1e-9 * 8 / tpb2;
vlib_cli_output (vm, "%-2u: encrypt %.03f ticks/byte, %.02f Gbps; "
"decrypt %.03f ticks/byte, %.02f Gbps",
i + 1, tpb1, gbps1, tpb2, gbps2);
}
else
{
vlib_cli_output (vm, "%-2u: hash %.03f ticks/byte, %.02f Gbps\n",
i + 1, tpb1, gbps1);
}
}
done:
if (n_alloc)
vlib_buffer_free (vm, buffer_indices, n_alloc);
if (key_index != ~0)
vnet_crypto_key_del (vm, key_index);
vec_free (buffer_indices);
vec_free (ops1);
vec_free (ops2);
return err;
}
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;
unittest_crypto_test_registration_t *tr;
int is_perf = 0;
tr = tm->test_registrations;
memset (tm, 0, sizeof (crypto_test_main_t));
tm->test_registrations = tr;
tm->alg = ~0;
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
if (unformat (input, "perf %U", unformat_vnet_crypto_alg, &tm->alg))
is_perf = 1;
else if (unformat (input, "buffers %u", &tm->n_buffers))
;
else if (unformat (input, "rounds %u", &tm->rounds))
;
else if (unformat (input, "warmup-rounds %u", &tm->warmup_rounds))
;
else if (unformat (input, "buffer-size %u", &tm->buffer_size))
;
else
return clib_error_return (0, "unknown input '%U'",
format_unformat_error, input);
}
if (is_perf)
return test_crypto_perf (vm, tm);
else
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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