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#include "config.h"
#include "unity.h"
#include "ntp_types.h"
#include "sntptest.h"
#include "crypto.h"
#define MD5_LENGTH 16
#define SHA1_LENGTH 20
void test_MakeMd5Mac(void) {
const char* PKT_DATA = "abcdefgh0123";
const int PKT_LEN = strlen(PKT_DATA);
const char* EXPECTED_DIGEST =
"\x52\x6c\xb8\x38\xaf\x06\x5a\xfb\x6c\x98\xbb\xc0\x9b\x0a\x7a\x1b";
char actual[MD5_LENGTH];
struct key md5;
md5.next = NULL;
md5.key_id = 10;
md5.key_len = 6;
memcpy(&md5.key_seq, "md5seq", md5.key_len);
memcpy(&md5.type, "MD5", 4);
TEST_ASSERT_EQUAL(MD5_LENGTH,
make_mac((char*)PKT_DATA, PKT_LEN, MD5_LENGTH, &md5, actual));
TEST_ASSERT_TRUE(memcmp(EXPECTED_DIGEST, actual, MD5_LENGTH) == 0);
}
void test_MakeSHA1Mac(void) {
#ifdef OPENSSL
const char* PKT_DATA = "abcdefgh0123";
const int PKT_LEN = strlen(PKT_DATA);
const char* EXPECTED_DIGEST =
"\x17\xaa\x82\x97\xc7\x17\x13\x6a\x9b\xa9"
"\x63\x85\xb4\xce\xbe\x94\xa0\x97\x16\x1d";
char actual[SHA1_LENGTH];
struct key sha1;
sha1.next = NULL;
sha1.key_id = 20;
sha1.key_len = 7;
memcpy(&sha1.key_seq, "sha1seq", sha1.key_len);
memcpy(&sha1.type, "SHA1", 5);
TEST_ASSERT_EQUAL(SHA1_LENGTH,
make_mac((char*)PKT_DATA, PKT_LEN, SHA1_LENGTH, &sha1, actual));
TEST_ASSERT_TRUE(memcmp(EXPECTED_DIGEST, actual, SHA1_LENGTH) == 0);
#else
TEST_IGNORE_MESSAGE("OpenSSL not found, skipping...");
#endif /* OPENSSL */
}
void test_VerifyCorrectMD5(void) {
const char* PKT_DATA =
"sometestdata" // Data
"\0\0\0\0" // Key-ID (unused)
"\xc7\x58\x99\xdd\x99\x32\x0f\x71" // MAC
"\x2b\x7b\xfe\x4f\xa2\x32\xcf\xac";
const int PKT_LEN = 12;
struct key md5;
md5.next = NULL;
md5.key_id = 0;
md5.key_len = 6;
memcpy(&md5.key_seq, "md5key", md5.key_len);
memcpy(&md5.type, "MD5", 4);
TEST_ASSERT_TRUE(auth_md5((char*)PKT_DATA, PKT_LEN, MD5_LENGTH, &md5));
}
void test_VerifySHA1(void) {
#ifdef OPENSSL
const char* PKT_DATA =
"sometestdata" // Data
"\0\0\0\0" // Key-ID (unused)
"\xad\x07\xde\x36\x39\xa6\x77\xfa\x5b\xce" // MAC
"\x2d\x8a\x7d\x06\x96\xe6\x0c\xbc\xed\xe1";
const int PKT_LEN = 12;
struct key sha1;
sha1.next = NULL;
sha1.key_id = 0;
sha1.key_len = 7;
memcpy(&sha1.key_seq, "sha1key", sha1.key_len);
memcpy(&sha1.type, "SHA1", 5);
TEST_ASSERT_TRUE(auth_md5((char*)PKT_DATA, PKT_LEN, SHA1_LENGTH, &sha1));
#else
TEST_IGNORE_MESSAGE("OpenSSL not found, skipping...");
#endif /* OPENSSL */
}
void test_VerifyFailure(void) {
/* We use a copy of the MD5 verification code, but modify
* the last bit to make sure verification fails. */
const char* PKT_DATA =
"sometestdata" // Data
"\0\0\0\0" // Key-ID (unused)
"\xc7\x58\x99\xdd\x99\x32\x0f\x71" // MAC
"\x2b\x7b\xfe\x4f\xa2\x32\xcf\x00"; // Last byte is wrong!
const int PKT_LEN = 12;
struct key md5;
md5.next = NULL;
md5.key_id = 0;
md5.key_len = 6;
memcpy(&md5.key_seq, "md5key", md5.key_len);
memcpy(&md5.type, "MD5", 4);
TEST_ASSERT_FALSE(auth_md5((char*)PKT_DATA, PKT_LEN, MD5_LENGTH, &md5));
}
void test_PacketSizeNotMultipleOfFourBytes(void) {
const char* PKT_DATA = "123456";
const int PKT_LEN = 6;
char actual[MD5_LENGTH];
struct key md5;
md5.next = NULL;
md5.key_id = 10;
md5.key_len = 6;
memcpy(&md5.key_seq, "md5seq", md5.key_len);
memcpy(&md5.type, "MD5", 4);
TEST_ASSERT_EQUAL(0, make_mac((char*)PKT_DATA, PKT_LEN, MD5_LENGTH, &md5, actual));
}
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