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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
#include <fluent-bit/flb_info.h>
#include <fluent-bit/flb_hmac.h>
#include "flb_tests_internal.h"
static size_t get_sample_data(unsigned char ***buffer_list,
size_t **length_list,
char **precomputed_key,
char **precomputed_mac,
int *precomputed_mac_type)
{
static size_t lengths[] = {0, 0, 0, 0};
static const char *buffers[] = {
"This is one ",
"of the four ",
"buffers that will be passed ",
"to the simple batched digest processor function"
};
static const char *signature = "a68b8b3e480e00e0e61b4c097a29e64a261dc2548c608677c2827ea1e5b65d77";
static const int mac_type = FLB_HASH_SHA256;
size_t index;
static const char *key = "Long live the bird thing!";
if (lengths[0] == 0) {
for (index = 0 ; index < 4 ; index++) {
lengths[index] = strlen(buffers[index]);
}
}
*buffer_list = (unsigned char **) buffers;
*length_list = lengths;
*precomputed_key = (char *) key;
*precomputed_mac = (char *) signature;
*precomputed_mac_type = mac_type;
return 4;
}
static void hexlify(uint8_t *hash, char *out)
{
int i;
static const char hex[] = "0123456789abcdef";
char *buf = out;
for (i = 0; i < 32; i++) {
*buf++ = hex[hash[i] >> 4];
*buf++ = hex[hash[i] & 0xf];
}
}
static void test_hmac_standard()
{
int ref_signature_type;
char hex_signature[64];
char *ref_hex_signature;
uint8_t raw_signature[32];
size_t buffer_count;
unsigned char **buffer_list;
size_t *length_list;
char *ref_key;
int result;
size_t index;
struct flb_hmac hmac;
buffer_count = get_sample_data(&buffer_list, &length_list,
&ref_key,
&ref_hex_signature,
&ref_signature_type);
TEST_CHECK(buffer_count > 0);
TEST_CHECK(ref_signature_type == FLB_HASH_SHA256);
result = flb_hmac_init(&hmac,
ref_signature_type,
(unsigned char *) ref_key,
strlen(ref_key));
TEST_CHECK(result == FLB_CRYPTO_SUCCESS);
for (index = 0 ; index < buffer_count ; index++) {
result = flb_hmac_update(&hmac, buffer_list[index], length_list[index]);
TEST_CHECK(result == FLB_CRYPTO_SUCCESS);
}
result = flb_hmac_finalize(&hmac, raw_signature, sizeof(raw_signature));
TEST_CHECK(result == FLB_CRYPTO_SUCCESS);
hexlify(raw_signature, hex_signature);
TEST_CHECK(memcmp(hex_signature, ref_hex_signature, 64) == 0);
flb_hmac_cleanup(&hmac);
}
static void test_hmac_simple_batch()
{
int ref_signature_type;
char hex_signature[64];
char *ref_hex_signature;
uint8_t raw_signature[32];
size_t buffer_count;
unsigned char **buffer_list;
size_t *length_list;
char *ref_key;
int result;
buffer_count = get_sample_data(&buffer_list, &length_list,
&ref_key,
&ref_hex_signature,
&ref_signature_type);
TEST_CHECK(buffer_count > 0);
TEST_CHECK(ref_signature_type == FLB_HASH_SHA256);
result = flb_hmac_simple_batch(ref_signature_type,
(unsigned char *) ref_key,
strlen(ref_key),
buffer_count,
buffer_list,
length_list,
raw_signature,
sizeof(raw_signature));
TEST_CHECK(result == FLB_CRYPTO_SUCCESS);
hexlify(raw_signature, hex_signature);
TEST_CHECK(memcmp(hex_signature, ref_hex_signature, 64) == 0);
}
TEST_LIST = {
{ "test_hmac_simple_batch", test_hmac_simple_batch },
{ "test_hmac_standard", test_hmac_standard },
{ 0 }
};
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