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/*
* Demo on how to use /dev/crypto device for HMAC.
*
* Placed under public domain.
*
*/
#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <time.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <linux/netlink.h>
#include <stdlib.h>
#include "../alg.h"
struct hash_vectors_st {
const char *algorithm;
const uint8_t *key; /* if hmac */
int key_size;
const uint8_t *plaintext;
int plaintext_size;
const uint8_t *output;
int output_size;
} hash_vectors[] = {
{
.algorithm = "sha1",.key = NULL,.plaintext =
(uint8_t *) "what do ya want for nothing?",.
plaintext_size =
sizeof("what do ya want for nothing?") - 1,.output =
(uint8_t *)
"\x8f\x82\x03\x94\xf9\x53\x35\x18\x20\x45\xda\x24\xf3\x4d\xe5\x2b\xf8\xbc\x34\x32",.
output_size = 20}
,
#if 0
{
.algorithm = "hmac(md5)",.key = (uint8_t *) "Jefe",.key_size =
4,.plaintext =
(uint8_t *) "what do ya want for nothing?",.
plaintext_size =
sizeof("what do ya want for nothing?") - 1,.output =
(uint8_t *)
"\x75\x0c\x78\x3e\x6a\xb0\xb5\x03\xea\xa8\x6e\x31\x0a\x5d\xb7\x38",.
output_size = 16}
,
/* from rfc4231 */
{
.algorithm = "hmac(sha224)",.key =
(uint8_t *)
"\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",.
key_size = 20,.plaintext =
(uint8_t *) "Hi There",.plaintext_size =
sizeof("Hi There") - 1,.output =
(uint8_t *)
"\x89\x6f\xb1\x12\x8a\xbb\xdf\x19\x68\x32\x10\x7c\xd4\x9d\xf3\x3f\x47\xb4\xb1\x16\x99\x12\xba\x4f\x53\x68\x4b\x22",.
output_size = 28}
, {
.algorithm = "hmac(sha256)",.key =
(uint8_t *)
"\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",.
key_size = 20,.plaintext =
(uint8_t *) "Hi There",.plaintext_size =
sizeof("Hi There") - 1,.output =
(uint8_t *)
"\xb0\x34\x4c\x61\xd8\xdb\x38\x53\x5c\xa8\xaf\xce\xaf\x0b\xf1\x2b\x88\x1d\xc2\x00\xc9\x83\x3d\xa7\x26\xe9\x37\x6c\x2e\x32\xcf\xf7",.
output_size = 32}
, {
.algorithm = "hmac(sha384)",.key =
(uint8_t *)
"\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",.
key_size = 20,.plaintext =
(uint8_t *) "Hi There",.plaintext_size =
sizeof("Hi There") - 1,.output =
(uint8_t *)
"\xaf\xd0\x39\x44\xd8\x48\x95\x62\x6b\x08\x25\xf4\xab\x46\x90\x7f\x15\xf9\xda\xdb\xe4\x10\x1e\xc6\x82\xaa\x03\x4c\x7c\xeb\xc5\x9c\xfa\xea\x9e\xa9\x07\x6e\xde\x7f\x4a\xf1\x52\xe8\xb2\xfa\x9c\xb6",.
output_size = 48}
, {
.algorithm = "hmac(sha512)",.key =
(uint8_t *)
"\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",.
key_size = 20,.plaintext =
(uint8_t *) "Hi There",.plaintext_size =
sizeof("Hi There") - 1,.output =
(uint8_t *)
"\x87\xaa\x7c\xde\xa5\xef\x61\x9d\x4f\xf0\xb4\x24\x1a\x1d\x6c\xb0\x23\x79\xf4\xe2\xce\x4e\xc2\x78\x7a\xd0\xb3\x05\x45\xe1\x7c\xde\xda\xa8\x33\xb7\xd6\xb8\xa7\x02\x03\x8b\x27\x4e\xae\xa3\xf4\xe4\xbe\x9d\x91\x4e\xeb\x61\xf1\x70\x2e\x69\x6c\x20\x3a\x12\x68\x54",.
output_size = 64}
#endif
};
#define HASH_DATA_SIZE 64
/* SHA1 and other hashes */
static int test_ncr_hash(int with_accept)
{
uint8_t data[HASH_DATA_SIZE];
int i, j;
ssize_t data_size;
/* convert it to key */
if (with_accept)
fprintf(stdout, "Tests on Hashes with accept()\n");
else
fprintf(stdout, "Tests on Hashes without accept()\n");
for (i = 0; i < sizeof(hash_vectors) / sizeof(hash_vectors[0]); i++) {
struct sockaddr_alg salg;
int fd, hfd;
fprintf(stdout, "\t%s:\n", hash_vectors[i].algorithm);
fd = socket(PF_ALG, SOCK_STREAM, 0);
if (fd < 0) {
perror("socket()");
return 1;
}
salg.salg_family = AF_ALG;
strcpy(salg.salg_type, "hash");
strcpy(salg.salg_tfm, hash_vectors[i].algorithm);
if (bind(fd, (struct sockaddr *)&salg, sizeof(salg)) != 0) {
perror("bind()");
return 1;
}
if (with_accept) {
if (listen(fd, 1) != 0) {
perror("listen()");
return 1;
}
hfd = accept(fd, NULL, NULL);
if (hfd < 0) {
perror("accept()");
return 1;
}
close(fd);
} else
hfd = fd;
errno = 0;
if (write(hfd, hash_vectors[i].plaintext,
hash_vectors[i].plaintext_size)
!= hash_vectors[i].plaintext_size) {
perror("write()");
return 1;
}
errno = 0;
data_size = read(hfd, data, sizeof(data));
if (data_size < 0) {
perror("read()");
return 1;
}
close(hfd);
if (data_size != hash_vectors[i].output_size
|| memcmp(data, hash_vectors[i].output,
hash_vectors[i].output_size) != 0) {
fprintf(stderr, "HASH test vector %d failed!\n", i);
fprintf(stderr, "Output[%d]: ", (int)data_size);
for (j = 0; j < data_size; j++)
fprintf(stderr, "%.2x:", (int)data[j]);
fprintf(stderr, "\n");
fprintf(stderr, "Expected[%d]: ",
hash_vectors[i].output_size);
for (j = 0; j < hash_vectors[i].output_size; j++)
fprintf(stderr, "%.2x:",
(int)hash_vectors[i].output[j]);
fprintf(stderr, "\n");
return 1;
}
}
fprintf(stdout, "\n");
return 0;
}
int main()
{
if (test_ncr_hash(0))
return 1;
if (test_ncr_hash(1))
return 1;
return 0;
}
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