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Diffstat (limited to 'src/libipsec/tests/suites/test_chapoly.c')
-rw-r--r-- | src/libipsec/tests/suites/test_chapoly.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/libipsec/tests/suites/test_chapoly.c b/src/libipsec/tests/suites/test_chapoly.c new file mode 100644 index 000000000..31dc2ac7b --- /dev/null +++ b/src/libipsec/tests/suites/test_chapoly.c @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2015 Martin Willi + * Copyright (C) 2015 revosec AG + * + * 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 <http://www.fsf.org/copyleft/gpl.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 <test_suite.h> + +#include <ip_packet.h> +#include <esp_packet.h> + +static iv_gen_t *ivgen; + +METHOD(aead_t, get_iv_gen, iv_gen_t*, + aead_t *this) +{ + return ivgen; +} + +METHOD(iv_gen_t, get_iv, bool, + iv_gen_t *this, u_int64_t seq, size_t size, u_int8_t *buffer) +{ + if (size != 8) + { + return FALSE; + } + memcpy(buffer, "\x10\x11\x12\x13\x14\x15\x16\x17", 8); + return TRUE; +} + +METHOD(iv_gen_t, allocate_iv, bool, + iv_gen_t *this, u_int64_t seq, size_t size, chunk_t *chunk) +{ + if (size != 8) + { + return FALSE; + } + *chunk = chunk_alloc(size); + return get_iv(this, seq, chunk->len, chunk->ptr); +} + +/** + * Appendix A draft-ietf-ipsecme-chacha20-poly1305-06 + */ +START_TEST(test_chapoly) +{ + host_t *src, *dst; + ip_packet_t *icmp; + esp_packet_t *esp; + esp_context_t *ctx; + chunk_t data, exp; + u_int32_t seq = 0; + + icmp = ip_packet_create(chunk_clone(chunk_from_chars( + 0x45,0x00,0x00,0x54,0xa6,0xf2,0x00,0x00, + 0x40,0x01,0xe7,0x78,0xc6,0x33,0x64,0x05, + 0xc0,0x00,0x02,0x05,0x08,0x00,0x5b,0x7a, + 0x3a,0x08,0x00,0x00,0x55,0x3b,0xec,0x10, + 0x00,0x07,0x36,0x27,0x08,0x09,0x0a,0x0b, + 0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13, + 0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b, + 0x1c,0x1d,0x1e,0x1f,0x20,0x21,0x22,0x23, + 0x24,0x25,0x26,0x27,0x28,0x29,0x2a,0x2b, + 0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33, + 0x34,0x35,0x36,0x37))); + ck_assert(icmp); + + src = host_create_from_string("203.0.113.153", 0); + dst = host_create_from_string("203.0.113.5", 0); + esp = esp_packet_create_from_payload(src, dst, icmp); + + ctx = esp_context_create(ENCR_CHACHA20_POLY1305, chunk_from_chars( + 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, + 0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f, + 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97, + 0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f, + 0xa0,0xa1,0xa2,0xa3), + AUTH_UNDEFINED, chunk_empty, FALSE); + while (seq != 4) + { + ck_assert(ctx->next_seqno(ctx, &seq)); + } + INIT(ivgen, + .get_iv = _get_iv, + .allocate_iv = _allocate_iv, + .destroy = (void*)free, + ); + ctx->get_aead(ctx)->get_iv_gen = _get_iv_gen; + ck_assert(esp->encrypt(esp, ctx, htonl(0x01020304)) == SUCCESS); + + data = esp->packet.get_data(&esp->packet); + exp = chunk_from_chars(0x01,0x02,0x03,0x04,0x00,0x00,0x00,0x05, + 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17, + 0x24,0x03,0x94,0x28,0xb9,0x7f,0x41,0x7e, + 0x3c,0x13,0x75,0x3a,0x4f,0x05,0x08,0x7b, + 0x67,0xc3,0x52,0xe6,0xa7,0xfa,0xb1,0xb9, + 0x82,0xd4,0x66,0xef,0x40,0x7a,0xe5,0xc6, + 0x14,0xee,0x80,0x99,0xd5,0x28,0x44,0xeb, + 0x61,0xaa,0x95,0xdf,0xab,0x4c,0x02,0xf7, + 0x2a,0xa7,0x1e,0x7c,0x4c,0x4f,0x64,0xc9, + 0xbe,0xfe,0x2f,0xac,0xc6,0x38,0xe8,0xf3, + 0xcb,0xec,0x16,0x3f,0xac,0x46,0x9b,0x50, + 0x27,0x73,0xf6,0xfb,0x94,0xe6,0x64,0xda, + 0x91,0x65,0xb8,0x28,0x29,0xf6,0x41,0xe0, + 0x76,0xAA,0xA8,0x26,0x6B,0x7F,0xB0,0xF7, + 0xB1,0x1B,0x36,0x99,0x07,0xE1,0xAD,0x43); + ck_assert_msg(chunk_equals(data, exp), "got %B\nexp %B", &data, &exp); + + esp->destroy(esp); + ctx->destroy(ctx); + ivgen->destroy(ivgen); +} +END_TEST + +Suite *chapoly_suite_create() +{ + Suite *s; + TCase *tc; + + s = suite_create("chapoly"); + + tc = tcase_create("ChaCha20Poly1305 ESP encryption"); + tcase_add_test(tc, test_chapoly); + suite_add_tcase(s, tc); + + return s; +} |