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SUSE:SLE-12-SP3:GA
libgcrypt.13597
libgcrypt-CMAC-AES-TDES-selftest.patch
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File libgcrypt-CMAC-AES-TDES-selftest.patch of Package libgcrypt.13597
Index: libgcrypt-1.6.1/cipher/cipher-cmac.c =================================================================== --- libgcrypt-1.6.1.orig/cipher/cipher-cmac.c +++ libgcrypt-1.6.1/cipher/cipher-cmac.c @@ -236,3 +236,246 @@ _gcry_cipher_cmac_set_subkeys (gcry_ciph return GPG_ERR_NO_ERROR; } + +/* CMAC selftests. + * Copyright (C) 2008 Free Software Foundation, Inc. + * Copyright (C) 2019 Red Hat, Inc. + */ + + + +/* Check one MAC with MAC ALGO using the regular MAC + * API. (DATA,DATALEN) is the data to be MACed, (KEY,KEYLEN) the key + * and (EXPECT,EXPECTLEN) the expected result. If TRUNC is set, the + * EXPECTLEN may be less than the digest length. Returns NULL on + * success or a string describing the failure. */ +static const char * +check_one (int algo, + const void *data, size_t datalen, + const void *key, size_t keylen, + const void *expect, size_t expectlen) +{ + gcry_mac_hd_t hd; + unsigned char mac[512]; /* hardcoded to avoid allocation */ + size_t macoutlen = expectlen; + +/* printf ("MAC algo %d\n", algo); */ + if (_gcry_mac_get_algo_maclen (algo) != expectlen || + expectlen > sizeof (mac)) + return "invalid tests data"; + if (_gcry_mac_open (&hd, algo, 0, NULL)) + return "gcry_mac_open failed"; + if (_gcry_mac_setkey (hd, key, keylen)) + { + _gcry_mac_close (hd); + return "gcry_md_setkey failed"; + } + if (_gcry_mac_write (hd, data, datalen)) + { + _gcry_mac_close (hd); + return "gcry_mac_write failed"; + } + if (_gcry_mac_read (hd, mac, &macoutlen)) + { + _gcry_mac_close (hd); + return "gcry_mac_read failed"; + } + _gcry_mac_close (hd); + if (macoutlen != expectlen || memcmp (mac, expect, expectlen)) + { +/* int i; */ + +/* fputs (" {", stdout); */ +/* for (i=0; i < expectlen-1; i++) */ +/* { */ +/* if (i && !(i % 8)) */ +/* fputs ("\n ", stdout); */ +/* printf (" 0x%02x,", mac[i]); */ +/* } */ +/* printf (" 0x%02x } },\n", mac[i]); */ + + return "does not match"; + } + return NULL; +} + + +static gpg_err_code_t +selftests_cmac_tdes (int extended, selftest_report_func_t report) +{ + const char *what; + const char *errtxt; + + what = "Basic TDES"; + errtxt = check_one (GCRY_MAC_CMAC_3DES, + "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96\xe9\x3d\x7e\x11\x73\x93\x17\x2a" + "\xae\x2d\x8a\x57", 20, + "\x8a\xa8\x3b\xf8\xcb\xda\x10\x62\x0b\xc1\xbf\x19\xfb\xb6\xcd\x58" + "\xbc\x31\x3d\x4a\x37\x1c\xa8\xb5", 24, + "\x74\x3d\xdb\xe0\xce\x2d\xc2\xed", 8); + if (errtxt) + goto failed; + + if (extended) + { + what = "Extended TDES #1"; + errtxt = check_one (GCRY_MAC_CMAC_3DES, + "", 0, + "\x8a\xa8\x3b\xf8\xcb\xda\x10\x62\x0b\xc1\xbf\x19\xfb\xb6\xcd\x58" + "\xbc\x31\x3d\x4a\x37\x1c\xa8\xb5", 24, + "\xb7\xa6\x88\xe1\x22\xff\xaf\x95", 8); + if (errtxt) + goto failed; + + what = "Extended TDES #2"; + errtxt = check_one (GCRY_MAC_CMAC_3DES, + "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96", 8, + "\x8a\xa8\x3b\xf8\xcb\xda\x10\x62\x0b\xc1\xbf\x19\xfb\xb6\xcd\x58" + "\xbc\x31\x3d\x4a\x37\x1c\xa8\xb5", 24, + "\x8e\x8f\x29\x31\x36\x28\x37\x97", 8); + if (errtxt) + goto failed; + + what = "Extended TDES #3"; + errtxt = check_one (GCRY_MAC_CMAC_3DES, + "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96\xe9\x3d\x7e\x11\x73\x93\x17\x2a" + "\xae\x2d\x8a\x57\x1e\x03\xac\x9c\x9e\xb7\x6f\xac\x45\xaf\x8e\x51", 32, + "\x8a\xa8\x3b\xf8\xcb\xda\x10\x62\x0b\xc1\xbf\x19\xfb\xb6\xcd\x58" + "\xbc\x31\x3d\x4a\x37\x1c\xa8\xb5", 24, + "\x33\xe6\xb1\x09\x24\x00\xea\xe5", 8); + if (errtxt) + goto failed; + } + + return 0; /* Succeeded. */ + + failed: + if (report) + report ("cmac", GCRY_MAC_CMAC_3DES, what, errtxt); + return GPG_ERR_SELFTEST_FAILED; +} + + + +static gpg_err_code_t +selftests_cmac_aes (int extended, selftest_report_func_t report) +{ + const char *what; + const char *errtxt; + + what = "Basic AES128"; + errtxt = check_one (GCRY_MAC_CMAC_AES, + "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96\xe9\x3d\x7e\x11\x73\x93\x17\x2a" + "\xae\x2d\x8a\x57\x1e\x03\xac\x9c\x9e\xb7\x6f\xac\x45\xaf\x8e\x51" + "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11", 40, + "\x2b\x7e\x15\x16\x28\xae\xd2\xa6\xab\xf7\x15\x88\x09\xcf\x4f\x3c", 16, + "\xdf\xa6\x67\x47\xde\x9a\xe6\x30\x30\xca\x32\x61\x14\x97\xc8\x27", 16); + if (errtxt) + goto failed; + + what = "Basic AES192"; + errtxt = check_one (GCRY_MAC_CMAC_AES, + "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96\xe9\x3d\x7e\x11\x73\x93\x17\x2a" + "\xae\x2d\x8a\x57\x1e\x03\xac\x9c\x9e\xb7\x6f\xac\x45\xaf\x8e\x51" + "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11", 40, + "\x8e\x73\xb0\xf7\xda\x0e\x64\x52\xc8\x10\xf3\x2b\x80\x90\x79\xe5" + "\x62\xf8\xea\xd2\x52\x2c\x6b\x7b", 24, + "\x8a\x1d\xe5\xbe\x2e\xb3\x1a\xad\x08\x9a\x82\xe6\xee\x90\x8b\x0e", 16); + if (errtxt) + goto failed; + + what = "Basic AES256"; + errtxt = check_one (GCRY_MAC_CMAC_AES, + "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96\xe9\x3d\x7e\x11\x73\x93\x17\x2a" + "\xae\x2d\x8a\x57\x1e\x03\xac\x9c\x9e\xb7\x6f\xac\x45\xaf\x8e\x51" + "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11", 40, + "\x60\x3d\xeb\x10\x15\xca\x71\xbe\x2b\x73\xae\xf0\x85\x7d\x77\x81" + "\x1f\x35\x2c\x07\x3b\x61\x08\xd7\x2d\x98\x10\xa3\x09\x14\xdf\xf4", 32, + "\xaa\xf3\xd8\xf1\xde\x56\x40\xc2\x32\xf5\xb1\x69\xb9\xc9\x11\xe6", 16); + if (errtxt) + goto failed; + if (extended) + { + what = "Extended AES #1"; + errtxt = check_one (GCRY_MAC_CMAC_AES, + "", 0, + "\x2b\x7e\x15\x16\x28\xae\xd2\xa6\xab\xf7\x15\x88\x09\xcf\x4f\x3c", 16, + "\xbb\x1d\x69\x29\xe9\x59\x37\x28\x7f\xa3\x7d\x12\x9b\x75\x67\x46", 16); + if (errtxt) + goto failed; + + what = "Extended AES #2"; + errtxt = check_one (GCRY_MAC_CMAC_AES, + "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96\xe9\x3d\x7e\x11\x73\x93\x17\x2a", 16, + "\x8e\x73\xb0\xf7\xda\x0e\x64\x52\xc8\x10\xf3\x2b\x80\x90\x79\xe5" + "\x62\xf8\xea\xd2\x52\x2c\x6b\x7b", 24, + "\x9e\x99\xa7\xbf\x31\xe7\x10\x90\x06\x62\xf6\x5e\x61\x7c\x51\x84", 16); + if (errtxt) + goto failed; + + what = "Extended AES #3"; + errtxt = check_one (GCRY_MAC_CMAC_AES, + "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96\xe9\x3d\x7e\x11\x73\x93\x17\x2a" + "\xae\x2d\x8a\x57\x1e\x03\xac\x9c\x9e\xb7\x6f\xac\x45\xaf\x8e\x51" + "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11\xe5\xfb\xc1\x19\x1a\x0a\x52\xef" + "\xf6\x9f\x24\x45\xdf\x4f\x9b\x17\xad\x2b\x41\x7b\xe6\x6c\x37\x10", 64, + "\x60\x3d\xeb\x10\x15\xca\x71\xbe\x2b\x73\xae\xf0\x85\x7d\x77\x81" + "\x1f\x35\x2c\x07\x3b\x61\x08\xd7\x2d\x98\x10\xa3\x09\x14\xdf\xf4", 32, + "\xe1\x99\x21\x90\x54\x9f\x6e\xd5\x69\x6a\x2c\x05\x6c\x31\x54\x10", 16 ); + if (errtxt) + goto failed; + } + + return 0; /* Succeeded. */ + + failed: + if (report) + report ("cmac", GCRY_MAC_CMAC_AES, what, errtxt); + return GPG_ERR_SELFTEST_FAILED; +} + + +/* Run a full self-test for ALGO and return 0 on success. */ +static gpg_err_code_t +run_cmac_selftests (int algo, int extended, selftest_report_func_t report) +{ + gpg_err_code_t ec; + + switch (algo) + { + case GCRY_MAC_CMAC_3DES: + ec = selftests_cmac_tdes (extended, report); + break; + case GCRY_MAC_CMAC_AES: + ec = selftests_cmac_aes (extended, report); + break; + + default: + ec = GPG_ERR_MAC_ALGO; + break; + } + return ec; +} + + + + +/* Run the selftests for CMAC with CMAC algorithm ALGO with optional + reporting function REPORT. */ +gpg_error_t +_gcry_cmac_selftest (int algo, int extended, selftest_report_func_t report) +{ + gcry_err_code_t ec = 0; + + if (!_gcry_mac_algo_info( algo, GCRYCTL_TEST_ALGO, NULL, NULL )) + { + ec = run_cmac_selftests (algo, extended, report); + } + else + { + ec = GPG_ERR_MAC_ALGO; + if (report) + report ("mac", algo, "module", "algorithm not available"); + } + return gpg_error (ec); +} Index: libgcrypt-1.6.1/src/cipher-proto.h =================================================================== --- libgcrypt-1.6.1.orig/src/cipher-proto.h +++ libgcrypt-1.6.1/src/cipher-proto.h @@ -252,6 +252,8 @@ gcry_error_t _gcry_pk_selftest (int algo selftest_report_func_t report); gcry_error_t _gcry_hmac_selftest (int algo, int extended, selftest_report_func_t report); +gcry_error_t _gcry_cmac_selftest (int algo, int extended, + selftest_report_func_t report); gcry_error_t _gcry_random_selftest (selftest_report_func_t report); Index: libgcrypt-1.6.1/src/fips.c =================================================================== --- libgcrypt-1.6.1.orig/src/fips.c +++ libgcrypt-1.6.1/src/fips.c @@ -521,25 +521,28 @@ run_digest_selftests (int extended) /* Run self-tests for all HMAC algorithms. Return 0 on success. */ static int -run_hmac_selftests (int extended) +run_mac_selftests (int extended) { - static int algos[] = + static int algos[][2] = { - GCRY_MD_SHA1, - GCRY_MD_SHA224, - GCRY_MD_SHA256, - GCRY_MD_SHA384, - GCRY_MD_SHA512, - 0 + { GCRY_MD_SHA1, 0 }, + { GCRY_MD_SHA224, 0 }, + { GCRY_MD_SHA256, 0 }, + { GCRY_MD_SHA384, 0 }, + { GCRY_MD_SHA512, 0 }, + { GCRY_MAC_CMAC_3DES, 1 }, + { GCRY_MAC_CMAC_AES, 1 }, + { 0, 0 } }; int idx; gpg_error_t err; int anyerr = 0; - for (idx=0; algos[idx]; idx++) + for (idx=0; algos[idx][0]; idx++) { - err = _gcry_hmac_selftest (algos[idx], extended, reporter); - reporter ("hmac", algos[idx], NULL, + err = algos[idx][1] ? _gcry_cmac_selftest (algos[idx][0], extended, reporter) : + _gcry_hmac_selftest (algos[idx][0], extended, reporter); + reporter (algos[idx][1] ? "cmac" : "hmac", algos[idx][0], NULL, err? gpg_strerror (err):NULL); if (err) anyerr = 1; @@ -770,7 +777,7 @@ _gcry_fips_run_selftests (int extended) if (run_digest_selftests (extended)) goto leave; - if (run_hmac_selftests (extended)) + if (run_mac_selftests (extended)) goto leave; /* Run random tests before the pubkey tests because the latter
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