| /* |
| * Copyright (c) 2022 Fastly, Kazuho Oku |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| #ifdef _WINDOWS |
| #include "wincompat.h" |
| #endif |
| #include <assert.h> |
| #include <string.h> |
| #include "picotls.h" |
| #include "../deps/picotest/picotest.h" |
| #include "test.h" |
| #include "../lib/hpke.c" |
| |
| static ptls_hpke_kem_t *test_kem; |
| static ptls_hpke_cipher_suite_t *test_cipher; |
| |
| void test_one_hpke(void) |
| { |
| static const uint8_t cleartext[] = {0x42, 0x65, 0x61, 0x75, 0x74, 0x79, 0x20, 0x69, 0x73, 0x20, 0x74, 0x72, 0x75, 0x74, 0x68, |
| 0x2c, 0x20, 0x74, 0x72, 0x75, 0x74, 0x68, 0x20, 0x62, 0x65, 0x61, 0x75, 0x74, 0x79}, |
| info[] = {0x4f, 0x64, 0x65, 0x20, 0x6f, 0x6e, 0x20, 0x61, 0x20, 0x47, |
| 0x72, 0x65, 0x63, 0x69, 0x61, 0x6e, 0x20, 0x55, 0x72, 0x6e}, |
| aad[2][7] = {{0x43, 0x6f, 0x75, 0x6e, 0x74, 0x2d, 0x30}, {0x43, 0x6f, 0x75, 0x6e, 0x74, 0x2d, 0x31}}; |
| static const struct { |
| struct { |
| uint16_t kem; |
| uint16_t kdf; |
| uint16_t aead; |
| } id; |
| struct { |
| uint8_t bytes[65]; |
| size_t len; |
| } server_pubkey, client_pubkey, dh; |
| uint8_t expected_secret[PTLS_MAX_DIGEST_SIZE]; |
| uint8_t expected_ciphertext[2][sizeof(cleartext) + 32 /* max tag size */]; |
| } all[] = |
| {{.id = {PTLS_HPKE_KEM_X25519_SHA256, PTLS_HPKE_HKDF_SHA256, PTLS_HPKE_AEAD_AES_128_GCM}, |
| .server_pubkey = {{0x39, 0x48, 0xcf, 0xe0, 0xad, 0x1d, 0xdb, 0x69, 0x5d, 0x78, 0x0e, 0x59, 0x07, 0x71, 0x95, 0xda, |
| 0x6c, 0x56, 0x50, 0x6b, 0x02, 0x73, 0x29, 0x79, 0x4a, 0xb0, 0x2b, 0xca, 0x80, 0x81, 0x5c, 0x4d}, |
| 32}, |
| .client_pubkey = {{0x37, 0xfd, 0xa3, 0x56, 0x7b, 0xdb, 0xd6, 0x28, 0xe8, 0x86, 0x68, 0xc3, 0xc8, 0xd7, 0xe9, 0x7d, |
| 0x1d, 0x12, 0x53, 0xb6, 0xd4, 0xea, 0x6d, 0x44, 0xc1, 0x50, 0xf7, 0x41, 0xf1, 0xbf, 0x44, 0x31}, |
| 32}, |
| .dh = {{0xb3, 0xb5, 0xc1, 0x9e, 0xab, 0x3f, 0x08, 0x8a, 0xc1, 0x8f, 0x23, 0xf7, 0x74, 0xff, 0x64, 0x14, |
| 0xba, 0x4f, 0xde, 0x45, 0x40, 0x4d, 0x10, 0x08, 0x5e, 0xfc, 0x3e, 0x4d, 0xc9, 0xc7, 0x2e, 0x35}, |
| 32}, |
| .expected_secret = {0xfe, 0x0e, 0x18, 0xc9, 0xf0, 0x24, 0xce, 0x43, 0x79, 0x9a, 0xe3, 0x93, 0xc7, 0xe8, 0xfe, 0x8f, |
| 0xce, 0x9d, 0x21, 0x88, 0x75, 0xe8, 0x22, 0x7b, 0x01, 0x87, 0xc0, 0x4e, 0x7d, 0x2e, 0xa1, 0xfc}, |
| .expected_ciphertext = {{0xf9, 0x38, 0x55, 0x8b, 0x5d, 0x72, 0xf1, 0xa2, 0x38, 0x10, 0xb4, 0xbe, 0x2a, 0xb4, 0xf8, |
| 0x43, 0x31, 0xac, 0xc0, 0x2f, 0xc9, 0x7b, 0xab, 0xc5, 0x3a, 0x52, 0xae, 0x82, 0x18, 0xa3, |
| 0x55, 0xa9, 0x6d, 0x87, 0x70, 0xac, 0x83, 0xd0, 0x7b, 0xea, 0x87, 0xe1, 0x3c, 0x51, 0x2a}, |
| {0xaf, 0x2d, 0x7e, 0x9a, 0xc9, 0xae, 0x7e, 0x27, 0x0f, 0x46, 0xba, 0x1f, 0x97, 0x5b, 0xe5, |
| 0x3c, 0x09, 0xf8, 0xd8, 0x75, 0xbd, 0xc8, 0x53, 0x54, 0x58, 0xc2, 0x49, 0x4e, 0x8a, 0x6e, |
| 0xab, 0x25, 0x1c, 0x03, 0xd0, 0xc2, 0x2a, 0x56, 0xb8, 0xca, 0x42, 0xc2, 0x06, 0x3b, 0x84}}}, |
| {.id = {PTLS_HPKE_KEM_P256_SHA256, PTLS_HPKE_HKDF_SHA256, PTLS_HPKE_AEAD_AES_128_GCM}, |
| .server_pubkey = {{0x04, 0xfe, 0x8c, 0x19, 0xce, 0x09, 0x05, 0x19, 0x1e, 0xbc, 0x29, 0x8a, 0x92, 0x45, 0x79, 0x25, 0x31, |
| 0xf2, 0x6f, 0x0c, 0xec, 0xe2, 0x46, 0x06, 0x39, 0xe8, 0xbc, 0x39, 0xcb, 0x7f, 0x70, 0x6a, 0x82, 0x6a, |
| 0x77, 0x9b, 0x4c, 0xf9, 0x69, 0xb8, 0xa0, 0xe5, 0x39, 0xc7, 0xf6, 0x2f, 0xb3, 0xd3, 0x0a, 0xd6, 0xaa, |
| 0x8f, 0x80, 0xe3, 0x0f, 0x1d, 0x12, 0x8a, 0xaf, 0xd6, 0x8a, 0x2c, 0xe7, 0x2e, 0xa0}, |
| 65}, |
| .client_pubkey = {{0x04, 0xa9, 0x27, 0x19, 0xc6, 0x19, 0x5d, 0x50, 0x85, 0x10, 0x4f, 0x46, 0x9a, 0x8b, 0x98, 0x14, 0xd5, |
| 0x83, 0x8f, 0xf7, 0x2b, 0x60, 0x50, 0x1e, 0x2c, 0x44, 0x66, 0xe5, 0xe6, 0x7b, 0x32, 0x5a, 0xc9, 0x85, |
| 0x36, 0xd7, 0xb6, 0x1a, 0x1a, 0xf4, 0xb7, 0x8e, 0x5b, 0x7f, 0x95, 0x1c, 0x09, 0x00, 0xbe, 0x86, 0x3c, |
| 0x40, 0x3c, 0xe6, 0x5c, 0x9b, 0xfc, 0xb9, 0x38, 0x26, 0x57, 0x22, 0x2d, 0x18, 0xc4}, |
| 65}, |
| .dh = {{0x13, 0xf9, 0x18, 0x52, 0x94, 0x58, 0xd2, 0x54, 0x25, 0x31, 0x40, 0x68, 0x88, 0xc8, 0xa6, 0xd4, |
| 0xea, 0x7f, 0xf4, 0x73, 0xa6, 0xf4, 0xdb, 0x45, 0x2a, 0xc3, 0xc4, 0xae, 0x1d, 0x01, 0xce, 0xa1}, |
| 32}, |
| .expected_secret = {0xc0, 0xd2, 0x6a, 0xea, 0xb5, 0x36, 0x60, 0x9a, 0x57, 0x2b, 0x07, 0x69, 0x5d, 0x93, 0x3b, 0x58, |
| 0x9d, 0xcf, 0x36, 0x3f, 0xf9, 0xd9, 0x3c, 0x93, 0xad, 0xea, 0x53, 0x7a, 0xea, 0xbb, 0x8c, 0xb8}, |
| .expected_ciphertext = {{0x5a, 0xd5, 0x90, 0xbb, 0x8b, 0xaa, 0x57, 0x7f, 0x86, 0x19, 0xdb, 0x35, 0xa3, 0x63, 0x11, |
| 0x22, 0x6a, 0x89, 0x6e, 0x73, 0x42, 0xa6, 0xd8, 0x36, 0xd8, 0xb7, 0xbc, 0xd2, 0xf2, 0x0b, |
| 0x6c, 0x7f, 0x90, 0x76, 0xac, 0x23, 0x2e, 0x3a, 0xb2, 0x52, 0x3f, 0x39, 0x51, 0x34, 0x34}, |
| {0xfa, 0x6f, 0x03, 0x7b, 0x47, 0xfc, 0x21, 0x82, 0x6b, 0x61, 0x01, 0x72, 0xca, 0x96, 0x37, |
| 0xe8, 0x2d, 0x6e, 0x58, 0x01, 0xeb, 0x31, 0xcb, 0xd3, 0x74, 0x82, 0x71, 0xaf, 0xfd, 0x4e, |
| 0xcb, 0x06, 0x64, 0x6e, 0x03, 0x29, 0xcb, 0xdf, 0x3c, 0x3c, 0xd6, 0x55, 0xb2, 0x8e, 0x82}}}, |
| {.id = {PTLS_HPKE_KEM_P256_SHA256, PTLS_HPKE_HKDF_SHA512, PTLS_HPKE_AEAD_AES_128_GCM}, |
| .server_pubkey = {{0x04, 0x08, 0x5a, 0xa5, 0xb6, 0x65, 0xdc, 0x38, 0x26, 0xf9, 0x65, 0x0c, 0xcb, 0xcc, 0x47, 0x1b, 0xe2, |
| 0x68, 0xc8, 0xad, 0xa8, 0x66, 0x42, 0x2f, 0x73, 0x9e, 0x2d, 0x53, 0x1d, 0x4a, 0x88, 0x18, 0xa9, 0x46, |
| 0x6b, 0xc6, 0xb4, 0x49, 0x35, 0x70, 0x96, 0x23, 0x29, 0x19, 0xec, 0x4f, 0xe9, 0x07, 0x0c, 0xcb, 0xac, |
| 0x4a, 0xac, 0x30, 0xf4, 0xa1, 0xa5, 0x3e, 0xfc, 0xf7, 0xaf, 0x90, 0x61, 0x0e, 0xdd}, |
| 65}, |
| .client_pubkey = {{0x04, 0x93, 0xed, 0x86, 0x73, 0x5b, 0xdf, 0xb9, 0x78, 0xcc, 0x05, 0x5c, 0x98, 0xb4, 0x56, 0x95, 0xad, |
| 0x7c, 0xe6, 0x1c, 0xe7, 0x48, 0xf4, 0xdd, 0x63, 0xc5, 0x25, 0xa3, 0xb8, 0xd5, 0x3a, 0x15, 0x56, 0x5c, |
| 0x68, 0x97, 0x88, 0x80, 0x70, 0x07, 0x0c, 0x15, 0x79, 0xdb, 0x1f, 0x86, 0xaa, 0xa5, 0x6d, 0xeb, 0x82, |
| 0x97, 0xe6, 0x4d, 0xb7, 0xe8, 0x92, 0x4e, 0x72, 0x86, 0x6f, 0x9a, 0x47, 0x25, 0x80}, |
| 65}, |
| .dh = {{0x00, 0x63, 0x70, 0x63, 0x7d, 0xb3, 0x7e, 0xf6, 0x8f, 0x3a, 0x55, 0x0b, 0x9a, 0xba, 0xb6, 0xa4, |
| 0xb9, 0xa3, 0x4a, 0x16, 0x8f, 0x34, 0x29, 0x26, 0xda, 0x14, 0x25, 0xa1, 0x68, 0x49, 0xa0, 0x95}, |
| 32}, |
| .expected_secret = {0x02, 0xf5, 0x84, 0x73, 0x63, 0x90, 0xfc, 0x93, 0xf5, 0xb4, 0xad, 0x03, 0x98, 0x26, 0xa3, 0xfa, |
| 0x08, 0xe9, 0x91, 0x1b, 0xd1, 0x21, 0x5a, 0x3d, 0xb8, 0xe8, 0x79, 0x1b, 0xa5, 0x33, 0xca, 0xfd}, |
| .expected_ciphertext = {{0xd3, 0xcf, 0x49, 0x84, 0x93, 0x14, 0x84, 0xa0, 0x80, 0xf7, 0x4c, 0x1b, 0xb2, 0xa6, 0x78, |
| 0x27, 0x00, 0xdc, 0x1f, 0xef, 0x9a, 0xbe, 0x84, 0x42, 0xe4, 0x4a, 0x6f, 0x09, 0x04, 0x4c, |
| 0x88, 0x90, 0x72, 0x00, 0xb3, 0x32, 0x00, 0x35, 0x43, 0x75, 0x4e, 0xb5, 0x19, 0x17, 0xba}, |
| {0xd1, 0x44, 0x14, 0x55, 0x5a, 0x47, 0x26, 0x9d, 0xfe, 0xad, 0x9f, 0xbf, 0x26, 0xab, 0xb3, |
| 0x03, 0x36, 0x5e, 0x40, 0x70, 0x9a, 0x4e, 0xd1, 0x6e, 0xae, 0xfe, 0x1f, 0x20, 0x70, 0xf1, |
| 0xdd, 0xeb, 0x1b, 0xdd, 0x94, 0xd9, 0xe4, 0x11, 0x86, 0xf1, 0x24, 0xe0, 0xac, 0xc6, 0x2d}}}, |
| {{0}}}, |
| *test; |
| int ret; |
| |
| /* find the corresponding test vector or bail out if not found */ |
| for (test = all; |
| !(test->id.kem == test_kem->id && test->id.kdf == test_cipher->id.kdf && test->id.aead == test_cipher->id.aead); ++test) { |
| if (test->id.kem == 0) { |
| note("no test vector for given kem / cipher"); |
| return; |
| } |
| } |
| |
| { /* derivation from DH shared secret */ |
| uint8_t secret[PTLS_MAX_DIGEST_SIZE]; |
| ret = dh_derive(test_kem, secret, ptls_iovec_init(test->client_pubkey.bytes, test->client_pubkey.len), |
| ptls_iovec_init(test->server_pubkey.bytes, test->server_pubkey.len), |
| ptls_iovec_init(test->dh.bytes, test->dh.len)); |
| ok(ret == 0); |
| ok(memcmp(secret, test->expected_secret, test_kem->hash->digest_size) == 0); |
| } |
| |
| { /* encryption */ |
| ptls_aead_context_t *enc; |
| uint8_t ciphertext[sizeof(cleartext) + 32]; |
| ret = key_schedule(test_kem, test_cipher, &enc, 1, test->expected_secret, ptls_iovec_init(info, sizeof(info))); |
| ok(ret == 0); |
| for (uint64_t seq = 0; seq < 2; ++seq) { |
| ptls_aead_encrypt(enc, ciphertext, cleartext, sizeof(cleartext), seq, aad[seq], sizeof(aad[seq])); |
| ok(memcmp(ciphertext, test->expected_ciphertext[seq], sizeof(cleartext) + test_cipher->aead->tag_size) == 0); |
| } |
| ptls_aead_free(enc); |
| } |
| |
| { /* decryption */ |
| ptls_aead_context_t *dec; |
| uint8_t text_recovered[sizeof(cleartext)]; |
| ret = key_schedule(test_kem, test_cipher, &dec, 0, test->expected_secret, ptls_iovec_init(info, sizeof(info))); |
| ok(ret == 0); |
| for (uint64_t seq = 0; seq < 2; ++seq) { |
| ok(ptls_aead_decrypt(dec, text_recovered, test->expected_ciphertext[seq], |
| sizeof(text_recovered) + test_cipher->aead->tag_size, seq, aad[seq], |
| sizeof(aad[seq])) == sizeof(cleartext)); |
| ok(memcmp(text_recovered, cleartext, sizeof(cleartext)) == 0); |
| } |
| ptls_aead_free(dec); |
| } |
| } |
| |
| void test_hpke(ptls_hpke_kem_t **all_kems, ptls_hpke_cipher_suite_t **all_ciphers) |
| { |
| |
| for (ptls_hpke_kem_t **kem = all_kems; *kem != NULL; ++kem) { |
| for (ptls_hpke_cipher_suite_t **cipher = all_ciphers; *cipher != NULL; ++cipher) { |
| char namebuf[64]; |
| snprintf(namebuf, sizeof(namebuf), "%s-%s/%s-%s", (*kem)->keyex->name, (*kem)->hash->name, (*cipher)->hash->name, |
| (*cipher)->aead->name); |
| test_kem = *kem; |
| test_cipher = *cipher; |
| subtest(namebuf, test_one_hpke); |
| } |
| } |
| } |
