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/*
* Copyright (C) 2014-2015 Andrew Cagney <cagney@gnu.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/gpl2.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <stdio.h>
#include <stdlib.h>
#include "constants.h"
#include "lswalloc.h"
#include "ike_alg.h"
#include "test_buffer.h"
#include "ike_alg_test_ctr.h"
#include "crypt_cipher.h"
#include "fips_mode.h"
#include "pk11pub.h"
#include "crypt_symkey.h"
#include "crypt_mac.h"
#include "lswlog.h"
/*
* Ref: https://tools.ietf.org/html/rfc3686 Test Vectors
*/
static const struct ctr_test_vector aes_ctr_test_vectors[] = {
{
.description = "Encrypting 16 octets using AES-CTR with 128-bit key",
.key = "0x AE 68 52 F8 12 10 67 CC 4B F7 A5 76 55 77 F3 9E",
.plaintext = "0x 53 69 6E 67 6C 65 20 62 6C 6F 63 6B 20 6D 73 67",
.cb = "0x 00 00 00 30 00 00 00 00 00 00 00 00 00 00 00 01",
.ciphertext = "0x E4 09 5D 4F B7 A7 B3 79 2D 61 75 A3 26 13 11 B8",
.output_cb = "0x 00 00 00 30 00 00 00 00 00 00 00 00 00 00 00 02",
},
{
.description = "Encrypting 32 octets using AES-CTR with 128-bit key",
.key = "0x 7E 24 06 78 17 FA E0 D7 43 D6 CE 1F 32 53 91 63",
.plaintext = "0x"
"00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"
"10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F",
.cb = "0x 00 6C B6 DB C0 54 3B 59 DA 48 D9 0B 00 00 00 01",
.ciphertext = "0x"
"51 04 A1 06 16 8A 72 D9 79 0D 41 EE 8E DA D3 88"
"EB 2E 1E FC 46 DA 57 C8 FC E6 30 DF 91 41 BE 28",
.output_cb = "0x 00 6C B6 DB C0 54 3B 59 DA 48 D9 0B 00 00 00 03",
},
{
.description = "Encrypting 36 octets using AES-CTR with 128-bit key",
.key = "0x 76 91 BE 03 5E 50 20 A8 AC 6E 61 85 29 F9 A0 DC",
.plaintext = "0x"
"00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"
"10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F"
"20 21 22 23",
.cb = "0x 00 E0 01 7B 27 77 7F 3F 4A 17 86 F0 00 00 00 01",
.ciphertext = "0x"
"C1 CF 48 A8 9F 2F FD D9 CF 46 52 E9 EF DB 72 D7"
"45 40 A4 2B DE 6D 78 36 D5 9A 5C EA AE F3 10 53"
"25 B2 07 2F",
.output_cb = "0x 00 E0 01 7B 27 77 7F 3F 4A 17 86 F0 00 00 00 04",
},
{
.description = "Encrypting 16 octets using AES-CTR with 192-bit key",
.key = "0x"
"16 AF 5B 14 5F C9 F5 79 C1 75 F9 3E 3B FB 0E ED"
"86 3D 06 CC FD B7 85 15",
.plaintext = "0x 53 69 6E 67 6C 65 20 62 6C 6F 63 6B 20 6D 73 67",
.cb = "0x 00 00 00 48 36 73 3C 14 7D 6D 93 CB 00 00 00 01",
.ciphertext = "0x 4B 55 38 4F E2 59 C9 C8 4E 79 35 A0 03 CB E9 28",
.output_cb = "0x 00 00 00 48 36 73 3C 14 7D 6D 93 CB 00 00 00 02",
},
{
.description = "Encrypting 32 octets using AES-CTR with 192-bit key",
.key = "0x"
"7C 5C B2 40 1B 3D C3 3C 19 E7 34 08 19 E0 F6 9C"
"67 8C 3D B8 E6 F6 A9 1A",
.plaintext = "0x"
"00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"
"10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F",
.cb = "0x 00 96 B0 3B 02 0C 6E AD C2 CB 50 0D 00 00 00 01",
.ciphertext = "0x"
"45 32 43 FC 60 9B 23 32 7E DF AA FA 71 31 CD 9F"
"84 90 70 1C 5A D4 A7 9C FC 1F E0 FF 42 F4 FB 00",
.output_cb = "0x 00 96 B0 3B 02 0C 6E AD C2 CB 50 0D 00 00 00 03",
},
{
.description = "Encrypting 36 octets using AES-CTR with 192-bit key",
.key = "0x"
"02 BF 39 1E E8 EC B1 59 B9 59 61 7B 09 65 27 9B"
"F5 9B 60 A7 86 D3 E0 FE",
.plaintext = "0x"
"00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"
"10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F"
"20 21 22 23",
.cb = "0x 00 07 BD FD 5C BD 60 27 8D CC 09 12 00 00 00 01",
.ciphertext = "0x"
"96 89 3F C5 5E 5C 72 2F 54 0B 7D D1 DD F7 E7 58"
"D2 88 BC 95 C6 91 65 88 45 36 C8 11 66 2F 21 88"
"AB EE 09 35",
.output_cb = "0x 00 07 BD FD 5C BD 60 27 8D CC 09 12 00 00 00 04",
},
{
.description = "Encrypting 16 octets using AES-CTR with 256-bit key",
.key = "0x"
"77 6B EF F2 85 1D B0 6F 4C 8A 05 42 C8 69 6F 6C"
"6A 81 AF 1E EC 96 B4 D3 7F C1 D6 89 E6 C1 C1 04",
.plaintext = "0x 53 69 6E 67 6C 65 20 62 6C 6F 63 6B 20 6D 73 67",
.cb = "0x 00 00 00 60 DB 56 72 C9 7A A8 F0 B2 00 00 00 01",
.ciphertext = "0x 14 5A D0 1D BF 82 4E C7 56 08 63 DC 71 E3 E0 C0",
.output_cb = "0x 00 00 00 60 DB 56 72 C9 7A A8 F0 B2 00 00 00 02",
},
{
.description = "Encrypting 32 octets using AES-CTR with 256-bit key",
.key = "0x"
"F6 D6 6D 6B D5 2D 59 BB 07 96 36 58 79 EF F8 86"
"C6 6D D5 1A 5B 6A 99 74 4B 50 59 0C 87 A2 38 84",
.plaintext = "0x"
"00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"
"10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F",
.cb = "0x 00 FA AC 24 C1 58 5E F1 5A 43 D8 75 00 00 00 01",
.ciphertext = "0x"
"F0 5E 23 1B 38 94 61 2C 49 EE 00 0B 80 4E B2 A9"
"B8 30 6B 50 8F 83 9D 6A 55 30 83 1D 93 44 AF 1C",
.output_cb = "0x 00 FA AC 24 C1 58 5E F1 5A 43 D8 75 00 00 00 03",
},
{
.description = "Encrypting 36 octets using AES-CTR with 256-bit key",
.key = "0x"
"FF 7A 61 7C E6 91 48 E4 F1 72 6E 2F 43 58 1D E2"
"AA 62 D9 F8 05 53 2E DF F1 EE D6 87 FB 54 15 3D",
.plaintext = "0x"
"00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"
"10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F"
"20 21 22 23",
.cb = "0x 00 1C C5 B7 51 A5 1D 70 A1 C1 11 48 00 00 00 01",
.ciphertext = "0x"
"EB 6C 52 82 1D 0B BB F7 CE 75 94 46 2A CA 4F AA"
"B4 07 DF 86 65 69 FD 07 F4 8C C0 B5 83 D6 07 1F"
"1E C0 E6 B8",
.output_cb = "0x 00 1C C5 B7 51 A5 1D 70 A1 C1 11 48 00 00 00 04",
},
{
.description = NULL,
}
};
const struct ctr_test_vector *const aes_ctr_tests = aes_ctr_test_vectors;
static bool test_ctr_op(const struct encrypt_desc *encrypt_desc,
const char *description,
enum cipher_op op,
PK11SymKey *sym_key,
const char *encoded_cb, const char *output_cb,
const char *input_name, const char *input,
const char *output_name, const char *output,
struct logger *logger)
{
const char *opstr = str_cipher_op(op);
bool ok = true;
struct crypt_mac cb = decode_to_mac("input counter-block: ", encoded_cb, logger, HERE);
chunk_t tmp = decode_to_chunk(input_name, input, logger, HERE);
chunk_t expected_output = decode_to_chunk(output_name, output, logger, HERE);
chunk_t expected_cb = decode_to_chunk("expected counter-block: ", output_cb, logger, HERE);
/* do_crypt modifies the data and IV in place. */
cipher_ikev1(encrypt_desc, op, tmp, &cb, sym_key, logger);
if (!verify_hunk(description, opstr,
expected_output, tmp,
logger, HERE)) {
ok = false;
}
if (!verify_hunk(description, "counter-block",
expected_cb, cb,
logger, HERE)) {
ok = false;
}
free_chunk_content(&expected_cb);
free_chunk_content(&tmp);
free_chunk_content(&expected_output);
return ok;
}
static bool test_ctr_vector(const struct encrypt_desc *encrypt_desc,
const struct ctr_test_vector *test,
struct logger *logger)
{
bool ok = true;
PK11SymKey *sym_key = decode_to_key(encrypt_desc, test->key, logger, HERE);
if (!test_ctr_op(encrypt_desc, test->description, 1, sym_key,
test->cb, test->output_cb,
"Plaintext", test->plaintext,
"Ciphertext", test->ciphertext,
logger)) {
ok = false;
}
if (!test_ctr_op(encrypt_desc, test->description, 0, sym_key,
test->cb, test->output_cb,
"Ciphertext", test->ciphertext,
"Plaintext", test->plaintext,
logger)) {
ok = false;
}
/* Clean up. */
symkey_delref(logger, "sym_key", &sym_key);
ldbg(logger, "%s() %s %s", __func__, test->description, (ok ? "passed" : "failed"));
return ok;
}
bool test_ctr_vectors(const struct encrypt_desc *desc,
const struct ctr_test_vector *tests,
struct logger *logger)
{
bool ok = true;
const struct ctr_test_vector *test;
for (test = tests; test->description != NULL; test++) {
llog(RC_LOG, logger, " %s", test->description);
if (!test_ctr_vector(desc, test, logger)) {
ok = false;
}
}
return ok;
}
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