| /* |
| * Copyright 2022-2024 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the Apache License 2.0 (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #include <openssl/evp.h> |
| #include <openssl/core_names.h> |
| #include <openssl/rand.h> |
| #include <openssl/hpke.h> |
| #include "testutil.h" |
| |
| /* a size to use for stack buffers */ |
| #define OSSL_HPKE_TSTSIZE 512 |
| |
| static OSSL_LIB_CTX *testctx = NULL; |
| static OSSL_PROVIDER *nullprov = NULL; |
| static OSSL_PROVIDER *deflprov = NULL; |
| static char *testpropq = "provider=default"; |
| static int verbose = 0; |
| |
| typedef struct { |
| int mode; |
| OSSL_HPKE_SUITE suite; |
| const unsigned char *ikmE; |
| size_t ikmElen; |
| const unsigned char *expected_pkEm; |
| size_t expected_pkEmlen; |
| const unsigned char *ikmR; |
| size_t ikmRlen; |
| const unsigned char *expected_pkRm; |
| size_t expected_pkRmlen; |
| const unsigned char *expected_skRm; |
| size_t expected_skRmlen; |
| const unsigned char *expected_secret; |
| size_t expected_secretlen; |
| const unsigned char *ksinfo; |
| size_t ksinfolen; |
| const unsigned char *ikmAuth; |
| size_t ikmAuthlen; |
| const unsigned char *psk; |
| size_t psklen; |
| const char *pskid; /* want terminating NUL here */ |
| } TEST_BASEDATA; |
| |
| typedef struct { |
| int seq; |
| const unsigned char *pt; |
| size_t ptlen; |
| const unsigned char *aad; |
| size_t aadlen; |
| const unsigned char *expected_ct; |
| size_t expected_ctlen; |
| } TEST_AEADDATA; |
| |
| typedef struct { |
| const unsigned char *context; |
| size_t contextlen; |
| const unsigned char *expected_secret; |
| size_t expected_secretlen; |
| } TEST_EXPORTDATA; |
| |
| /** |
| * @brief Test that an EVP_PKEY encoded public key matches the supplied buffer |
| * @param pkey is the EVP_PKEY we want to check |
| * @param pub is the expected public key buffer |
| * @param publen is the length of the above |
| * @return 1 for good, 0 for bad |
| */ |
| static int cmpkey(const EVP_PKEY *pkey, |
| const unsigned char *pub, size_t publen) |
| { |
| unsigned char pubbuf[256]; |
| size_t pubbuflen = 0; |
| int erv = 0; |
| |
| if (!TEST_true(publen <= sizeof(pubbuf))) |
| return 0; |
| erv = EVP_PKEY_get_octet_string_param(pkey, |
| OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, |
| pubbuf, sizeof(pubbuf), &pubbuflen); |
| if (!TEST_true(erv)) |
| return 0; |
| if (pub != NULL && !TEST_mem_eq(pubbuf, pubbuflen, pub, publen)) |
| return 0; |
| return 1; |
| } |
| |
| static int do_testhpke(const TEST_BASEDATA *base, |
| const TEST_AEADDATA *aead, size_t aeadsz, |
| const TEST_EXPORTDATA *export, size_t exportsz) |
| { |
| OSSL_LIB_CTX *libctx = testctx; |
| const char *propq = testpropq; |
| OSSL_HPKE_CTX *sealctx = NULL, *openctx = NULL; |
| unsigned char ct[256]; |
| unsigned char enc[256]; |
| unsigned char ptout[256]; |
| size_t ptoutlen = sizeof(ptout); |
| size_t enclen = sizeof(enc); |
| size_t ctlen = sizeof(ct); |
| unsigned char pub[OSSL_HPKE_TSTSIZE]; |
| size_t publen = sizeof(pub); |
| EVP_PKEY *privE = NULL; |
| unsigned char authpub[OSSL_HPKE_TSTSIZE]; |
| size_t authpublen = sizeof(authpub); |
| EVP_PKEY *authpriv = NULL; |
| unsigned char rpub[OSSL_HPKE_TSTSIZE]; |
| size_t rpublen = sizeof(pub); |
| EVP_PKEY *privR = NULL; |
| int ret = 0; |
| size_t i; |
| uint64_t lastseq = 0; |
| |
| if (!TEST_true(OSSL_HPKE_keygen(base->suite, pub, &publen, &privE, |
| base->ikmE, base->ikmElen, libctx, propq))) |
| goto end; |
| if (!TEST_true(cmpkey(privE, base->expected_pkEm, base->expected_pkEmlen))) |
| goto end; |
| if (!TEST_ptr(sealctx = OSSL_HPKE_CTX_new(base->mode, base->suite, |
| OSSL_HPKE_ROLE_SENDER, |
| libctx, propq))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_CTX_set1_ikme(sealctx, base->ikmE, base->ikmElen))) |
| goto end; |
| if (base->mode == OSSL_HPKE_MODE_AUTH |
| || base->mode == OSSL_HPKE_MODE_PSKAUTH) { |
| if (!TEST_true(base->ikmAuth != NULL && base->ikmAuthlen > 0)) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_keygen(base->suite, |
| authpub, &authpublen, &authpriv, |
| base->ikmAuth, base->ikmAuthlen, |
| libctx, propq))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_CTX_set1_authpriv(sealctx, authpriv))) |
| goto end; |
| } |
| if (!TEST_true(OSSL_HPKE_keygen(base->suite, rpub, &rpublen, &privR, |
| base->ikmR, base->ikmRlen, libctx, propq))) |
| goto end; |
| if (!TEST_true(cmpkey(privR, base->expected_pkRm, base->expected_pkRmlen))) |
| goto end; |
| if (base->mode == OSSL_HPKE_MODE_PSK |
| || base->mode == OSSL_HPKE_MODE_PSKAUTH) { |
| if (!TEST_true(OSSL_HPKE_CTX_set1_psk(sealctx, base->pskid, |
| base->psk, base->psklen))) |
| goto end; |
| } |
| if (!TEST_true(OSSL_HPKE_encap(sealctx, enc, &enclen, |
| rpub, rpublen, |
| base->ksinfo, base->ksinfolen))) |
| goto end; |
| if (!TEST_true(cmpkey(privE, enc, enclen))) |
| goto end; |
| for (i = 0; i < aeadsz; ++i) { |
| ctlen = sizeof(ct); |
| memset(ct, 0, ctlen); |
| if (!TEST_true(OSSL_HPKE_seal(sealctx, ct, &ctlen, |
| aead[i].aad, aead[i].aadlen, |
| aead[i].pt, aead[i].ptlen))) |
| goto end; |
| if (!TEST_mem_eq(ct, ctlen, aead[i].expected_ct, |
| aead[i].expected_ctlen)) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_CTX_get_seq(sealctx, &lastseq))) |
| goto end; |
| if (lastseq != (uint64_t)(i + 1)) |
| goto end; |
| } |
| if (!TEST_ptr(openctx = OSSL_HPKE_CTX_new(base->mode, base->suite, |
| OSSL_HPKE_ROLE_RECEIVER, |
| libctx, propq))) |
| goto end; |
| if (base->mode == OSSL_HPKE_MODE_PSK |
| || base->mode == OSSL_HPKE_MODE_PSKAUTH) { |
| if (!TEST_true(base->pskid != NULL && base->psk != NULL |
| && base->psklen > 0)) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_CTX_set1_psk(openctx, base->pskid, |
| base->psk, base->psklen))) |
| goto end; |
| } |
| if (base->mode == OSSL_HPKE_MODE_AUTH |
| || base->mode == OSSL_HPKE_MODE_PSKAUTH) { |
| if (!TEST_true(OSSL_HPKE_CTX_set1_authpub(openctx, |
| authpub, authpublen))) |
| goto end; |
| } |
| if (!TEST_true(OSSL_HPKE_decap(openctx, enc, enclen, privR, |
| base->ksinfo, base->ksinfolen))) |
| goto end; |
| for (i = 0; i < aeadsz; ++i) { |
| ptoutlen = sizeof(ptout); |
| memset(ptout, 0, ptoutlen); |
| if (!TEST_true(OSSL_HPKE_open(openctx, ptout, &ptoutlen, |
| aead[i].aad, aead[i].aadlen, |
| aead[i].expected_ct, |
| aead[i].expected_ctlen))) |
| goto end; |
| if (!TEST_mem_eq(aead[i].pt, aead[i].ptlen, ptout, ptoutlen)) |
| goto end; |
| /* check the sequence is being incremented as expected */ |
| if (!TEST_true(OSSL_HPKE_CTX_get_seq(openctx, &lastseq))) |
| goto end; |
| if (lastseq != (uint64_t)(i + 1)) |
| goto end; |
| } |
| /* check exporters */ |
| for (i = 0; i < exportsz; ++i) { |
| size_t len = export[i].expected_secretlen; |
| unsigned char eval[OSSL_HPKE_TSTSIZE]; |
| |
| if (len > sizeof(eval)) |
| goto end; |
| /* export with too long label should fail */ |
| if (!TEST_false(OSSL_HPKE_export(sealctx, eval, len, |
| export[i].context, -1))) |
| goto end; |
| /* good export call */ |
| if (!TEST_true(OSSL_HPKE_export(sealctx, eval, len, |
| export[i].context, |
| export[i].contextlen))) |
| goto end; |
| if (!TEST_mem_eq(eval, len, export[i].expected_secret, |
| export[i].expected_secretlen)) |
| goto end; |
| |
| /* check seal fails if export only mode */ |
| if (aeadsz == 0) { |
| |
| if (!TEST_false(OSSL_HPKE_seal(sealctx, ct, &ctlen, |
| NULL, 0, ptout, ptoutlen))) |
| goto end; |
| } |
| } |
| ret = 1; |
| end: |
| OSSL_HPKE_CTX_free(sealctx); |
| OSSL_HPKE_CTX_free(openctx); |
| EVP_PKEY_free(privE); |
| EVP_PKEY_free(privR); |
| EVP_PKEY_free(authpriv); |
| return ret; |
| } |
| |
| static const unsigned char pt[] = { |
| 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 |
| }; |
| static const unsigned char ksinfo[] = { |
| 0x4f, 0x64, 0x65, 0x20, 0x6f, 0x6e, 0x20, 0x61, |
| 0x20, 0x47, 0x72, 0x65, 0x63, 0x69, 0x61, 0x6e, |
| 0x20, 0x55, 0x72, 0x6e |
| }; |
| #ifndef OPENSSL_NO_ECX |
| /* |
| * static const char *pskid = "Ennyn Durin aran Moria"; |
| */ |
| static const unsigned char pskid[] = { |
| 0x45, 0x6e, 0x6e, 0x79, 0x6e, 0x20, 0x44, 0x75, |
| 0x72, 0x69, 0x6e, 0x20, 0x61, 0x72, 0x61, 0x6e, |
| 0x20, 0x4d, 0x6f, 0x72, 0x69, 0x61, 0x00 |
| }; |
| static const unsigned char psk[] = { |
| 0x02, 0x47, 0xfd, 0x33, 0xb9, 0x13, 0x76, 0x0f, |
| 0xa1, 0xfa, 0x51, 0xe1, 0x89, 0x2d, 0x9f, 0x30, |
| 0x7f, 0xbe, 0x65, 0xeb, 0x17, 0x1e, 0x81, 0x32, |
| 0xc2, 0xaf, 0x18, 0x55, 0x5a, 0x73, 0x8b, 0x82 |
| }; |
| |
| /* these need to be "outside" the function below to keep check-ansi CI happy */ |
| static const unsigned char first_ikme[] = { |
| 0x78, 0x62, 0x8c, 0x35, 0x4e, 0x46, 0xf3, 0xe1, |
| 0x69, 0xbd, 0x23, 0x1b, 0xe7, 0xb2, 0xff, 0x1c, |
| 0x77, 0xaa, 0x30, 0x24, 0x60, 0xa2, 0x6d, 0xbf, |
| 0xa1, 0x55, 0x15, 0x68, 0x4c, 0x00, 0x13, 0x0b |
| }; |
| static const unsigned char first_ikmr[] = { |
| 0xd4, 0xa0, 0x9d, 0x09, 0xf5, 0x75, 0xfe, 0xf4, |
| 0x25, 0x90, 0x5d, 0x2a, 0xb3, 0x96, 0xc1, 0x44, |
| 0x91, 0x41, 0x46, 0x3f, 0x69, 0x8f, 0x8e, 0xfd, |
| 0xb7, 0xac, 0xcf, 0xaf, 0xf8, 0x99, 0x50, 0x98 |
| }; |
| static const unsigned char first_ikmepub[] = { |
| 0x0a, |
| 0xd0, |
| 0x95, |
| 0x0d, |
| 0x9f, |
| 0xb9, |
| 0x58, |
| 0x8e, |
| 0x59, |
| 0x69, |
| 0x0b, |
| 0x74, |
| 0xf1, |
| 0x23, |
| 0x7e, |
| 0xcd, |
| 0xf1, |
| 0xd7, |
| 0x75, |
| 0xcd, |
| 0x60, |
| 0xbe, |
| 0x2e, |
| 0xca, |
| 0x57, |
| 0xaf, |
| 0x5a, |
| 0x4b, |
| 0x04, |
| 0x71, |
| 0xc9, |
| 0x1b, |
| }; |
| static const unsigned char first_ikmrpub[] = { |
| 0x9f, 0xed, 0x7e, 0x8c, 0x17, 0x38, 0x75, 0x60, |
| 0xe9, 0x2c, 0xc6, 0x46, 0x2a, 0x68, 0x04, 0x96, |
| 0x57, 0x24, 0x6a, 0x09, 0xbf, 0xa8, 0xad, 0xe7, |
| 0xae, 0xfe, 0x58, 0x96, 0x72, 0x01, 0x63, 0x66 |
| }; |
| static const unsigned char first_ikmrpriv[] = { |
| 0xc5, 0xeb, 0x01, 0xeb, 0x45, 0x7f, 0xe6, 0xc6, |
| 0xf5, 0x75, 0x77, 0xc5, 0x41, 0x3b, 0x93, 0x15, |
| 0x50, 0xa1, 0x62, 0xc7, 0x1a, 0x03, 0xac, 0x8d, |
| 0x19, 0x6b, 0xab, 0xbd, 0x4e, 0x5c, 0xe0, 0xfd |
| }; |
| static const unsigned char first_expected_shared_secret[] = { |
| 0x72, 0x76, 0x99, 0xf0, 0x09, 0xff, 0xe3, 0xc0, |
| 0x76, 0x31, 0x50, 0x19, 0xc6, 0x96, 0x48, 0x36, |
| 0x6b, 0x69, 0x17, 0x14, 0x39, 0xbd, 0x7d, 0xd0, |
| 0x80, 0x77, 0x43, 0xbd, 0xe7, 0x69, 0x86, 0xcd |
| }; |
| static const unsigned char first_aad0[] = { |
| 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x2d, 0x30 |
| }; |
| static const unsigned char first_ct0[] = { |
| 0xe5, 0x2c, 0x6f, 0xed, 0x7f, 0x75, 0x8d, 0x0c, |
| 0xf7, 0x14, 0x56, 0x89, 0xf2, 0x1b, 0xc1, 0xbe, |
| 0x6e, 0xc9, 0xea, 0x09, 0x7f, 0xef, 0x4e, 0x95, |
| 0x94, 0x40, 0x01, 0x2f, 0x4f, 0xeb, 0x73, 0xfb, |
| 0x61, 0x1b, 0x94, 0x61, 0x99, 0xe6, 0x81, 0xf4, |
| 0xcf, 0xc3, 0x4d, 0xb8, 0xea |
| }; |
| static const unsigned char first_aad1[] = { |
| 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x2d, 0x31 |
| }; |
| static const unsigned char first_ct1[] = { |
| 0x49, 0xf3, 0xb1, 0x9b, 0x28, 0xa9, 0xea, 0x9f, |
| 0x43, 0xe8, 0xc7, 0x12, 0x04, 0xc0, 0x0d, 0x4a, |
| 0x49, 0x0e, 0xe7, 0xf6, 0x13, 0x87, 0xb6, 0x71, |
| 0x9d, 0xb7, 0x65, 0xe9, 0x48, 0x12, 0x3b, 0x45, |
| 0xb6, 0x16, 0x33, 0xef, 0x05, 0x9b, 0xa2, 0x2c, |
| 0xd6, 0x24, 0x37, 0xc8, 0xba |
| }; |
| static const unsigned char first_aad2[] = { |
| 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x2d, 0x32 |
| }; |
| static const unsigned char first_ct2[] = { |
| 0x25, 0x7c, 0xa6, 0xa0, 0x84, 0x73, 0xdc, 0x85, |
| 0x1f, 0xde, 0x45, 0xaf, 0xd5, 0x98, 0xcc, 0x83, |
| 0xe3, 0x26, 0xdd, 0xd0, 0xab, 0xe1, 0xef, 0x23, |
| 0xba, 0xa3, 0xba, 0xa4, 0xdd, 0x8c, 0xde, 0x99, |
| 0xfc, 0xe2, 0xc1, 0xe8, 0xce, 0x68, 0x7b, 0x0b, |
| 0x47, 0xea, 0xd1, 0xad, 0xc9 |
| }; |
| static const unsigned char first_export1[] = { |
| 0xdf, 0xf1, 0x7a, 0xf3, 0x54, 0xc8, 0xb4, 0x16, |
| 0x73, 0x56, 0x7d, 0xb6, 0x25, 0x9f, 0xd6, 0x02, |
| 0x99, 0x67, 0xb4, 0xe1, 0xaa, 0xd1, 0x30, 0x23, |
| 0xc2, 0xae, 0x5d, 0xf8, 0xf4, 0xf4, 0x3b, 0xf6 |
| }; |
| static const unsigned char first_context2[] = { 0x00 }; |
| static const unsigned char first_export2[] = { |
| 0x6a, 0x84, 0x72, 0x61, 0xd8, 0x20, 0x7f, 0xe5, |
| 0x96, 0xbe, 0xfb, 0x52, 0x92, 0x84, 0x63, 0x88, |
| 0x1a, 0xb4, 0x93, 0xda, 0x34, 0x5b, 0x10, 0xe1, |
| 0xdc, 0xc6, 0x45, 0xe3, 0xb9, 0x4e, 0x2d, 0x95 |
| }; |
| static const unsigned char first_context3[] = { |
| 0x54, 0x65, 0x73, 0x74, 0x43, 0x6f, 0x6e, 0x74, |
| 0x65, 0x78, 0x74 |
| }; |
| static const unsigned char first_export3[] = { |
| 0x8a, 0xff, 0x52, 0xb4, 0x5a, 0x1b, 0xe3, 0xa7, |
| 0x34, 0xbc, 0x7a, 0x41, 0xe2, 0x0b, 0x4e, 0x05, |
| 0x5a, 0xd4, 0xc4, 0xd2, 0x21, 0x04, 0xb0, 0xc2, |
| 0x02, 0x85, 0xa7, 0xc4, 0x30, 0x24, 0x01, 0xcd |
| }; |
| |
| static int x25519kdfsha256_hkdfsha256_aes128gcm_psk_test(void) |
| { |
| const TEST_BASEDATA pskdata = { |
| /* "X25519", NULL, "SHA256", "SHA256", "AES-128-GCM", */ |
| OSSL_HPKE_MODE_PSK, |
| { OSSL_HPKE_KEM_ID_X25519, |
| OSSL_HPKE_KDF_ID_HKDF_SHA256, |
| OSSL_HPKE_AEAD_ID_AES_GCM_128 }, |
| first_ikme, sizeof(first_ikme), |
| first_ikmepub, sizeof(first_ikmepub), |
| first_ikmr, sizeof(first_ikmr), |
| first_ikmrpub, sizeof(first_ikmrpub), |
| first_ikmrpriv, sizeof(first_ikmrpriv), |
| first_expected_shared_secret, sizeof(first_expected_shared_secret), |
| ksinfo, sizeof(ksinfo), |
| NULL, 0, /* No Auth */ |
| psk, sizeof(psk), (char *)pskid |
| }; |
| const TEST_AEADDATA aeaddata[] = { |
| { 0, |
| pt, sizeof(pt), |
| first_aad0, sizeof(first_aad0), |
| first_ct0, sizeof(first_ct0) }, |
| { 1, |
| pt, sizeof(pt), |
| first_aad1, sizeof(first_aad1), |
| first_ct1, sizeof(first_ct1) }, |
| { 2, |
| pt, sizeof(pt), |
| first_aad2, sizeof(first_aad2), |
| first_ct2, sizeof(first_ct2) } |
| }; |
| const TEST_EXPORTDATA exportdata[] = { |
| { NULL, 0, first_export1, sizeof(first_export1) }, |
| { first_context2, sizeof(first_context2), |
| first_export2, sizeof(first_export2) }, |
| { first_context3, sizeof(first_context3), |
| first_export3, sizeof(first_export3) }, |
| }; |
| return do_testhpke(&pskdata, aeaddata, OSSL_NELEM(aeaddata), |
| exportdata, OSSL_NELEM(exportdata)); |
| } |
| |
| static const unsigned char second_ikme[] = { |
| 0x72, 0x68, 0x60, 0x0d, 0x40, 0x3f, 0xce, 0x43, |
| 0x15, 0x61, 0xae, 0xf5, 0x83, 0xee, 0x16, 0x13, |
| 0x52, 0x7c, 0xff, 0x65, 0x5c, 0x13, 0x43, 0xf2, |
| 0x98, 0x12, 0xe6, 0x67, 0x06, 0xdf, 0x32, 0x34 |
| }; |
| static const unsigned char second_ikmepub[] = { |
| 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, |
| }; |
| static const unsigned char second_ikmr[] = { |
| 0x6d, 0xb9, 0xdf, 0x30, 0xaa, 0x07, 0xdd, 0x42, |
| 0xee, 0x5e, 0x81, 0x81, 0xaf, 0xdb, 0x97, 0x7e, |
| 0x53, 0x8f, 0x5e, 0x1f, 0xec, 0x8a, 0x06, 0x22, |
| 0x3f, 0x33, 0xf7, 0x01, 0x3e, 0x52, 0x50, 0x37 |
| }; |
| static const unsigned char second_ikmrpub[] = { |
| 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 |
| }; |
| static const unsigned char second_ikmrpriv[] = { |
| 0x46, 0x12, 0xc5, 0x50, 0x26, 0x3f, 0xc8, 0xad, |
| 0x58, 0x37, 0x5d, 0xf3, 0xf5, 0x57, 0xaa, 0xc5, |
| 0x31, 0xd2, 0x68, 0x50, 0x90, 0x3e, 0x55, 0xa9, |
| 0xf2, 0x3f, 0x21, 0xd8, 0x53, 0x4e, 0x8a, 0xc8 |
| }; |
| static const unsigned char second_expected_shared_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 |
| }; |
| static const unsigned char second_aead0[] = { |
| 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x2d, 0x30 |
| }; |
| static const unsigned char second_ct0[] = { |
| 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 |
| }; |
| static const unsigned char second_aead1[] = { |
| 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x2d, 0x31 |
| }; |
| static const unsigned char second_ct1[] = { |
| 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 |
| }; |
| static const unsigned char second_export1[] = { |
| 0x38, 0x53, 0xfe, 0x2b, 0x40, 0x35, 0x19, 0x5a, |
| 0x57, 0x3f, 0xfc, 0x53, 0x85, 0x6e, 0x77, 0x05, |
| 0x8e, 0x15, 0xd9, 0xea, 0x06, 0x4d, 0xe3, 0xe5, |
| 0x9f, 0x49, 0x61, 0xd0, 0x09, 0x52, 0x50, 0xee |
| }; |
| static const unsigned char second_context2[] = { 0x00 }; |
| static const unsigned char second_export2[] = { |
| 0x2e, 0x8f, 0x0b, 0x54, 0x67, 0x3c, 0x70, 0x29, |
| 0x64, 0x9d, 0x4e, 0xb9, 0xd5, 0xe3, 0x3b, 0xf1, |
| 0x87, 0x2c, 0xf7, 0x6d, 0x62, 0x3f, 0xf1, 0x64, |
| 0xac, 0x18, 0x5d, 0xa9, 0xe8, 0x8c, 0x21, 0xa5 |
| }; |
| static const unsigned char second_context3[] = { |
| 0x54, 0x65, 0x73, 0x74, 0x43, 0x6f, 0x6e, 0x74, |
| 0x65, 0x78, 0x74 |
| }; |
| static const unsigned char second_export3[] = { |
| 0xe9, 0xe4, 0x30, 0x65, 0x10, 0x2c, 0x38, 0x36, |
| 0x40, 0x1b, 0xed, 0x8c, 0x3c, 0x3c, 0x75, 0xae, |
| 0x46, 0xbe, 0x16, 0x39, 0x86, 0x93, 0x91, 0xd6, |
| 0x2c, 0x61, 0xf1, 0xec, 0x7a, 0xf5, 0x49, 0x31 |
| }; |
| |
| static int x25519kdfsha256_hkdfsha256_aes128gcm_base_test(void) |
| { |
| const TEST_BASEDATA basedata = { |
| OSSL_HPKE_MODE_BASE, |
| { OSSL_HPKE_KEM_ID_X25519, |
| OSSL_HPKE_KDF_ID_HKDF_SHA256, |
| OSSL_HPKE_AEAD_ID_AES_GCM_128 }, |
| second_ikme, sizeof(second_ikme), |
| second_ikmepub, sizeof(second_ikmepub), |
| second_ikmr, sizeof(second_ikmr), |
| second_ikmrpub, sizeof(second_ikmrpub), |
| second_ikmrpriv, sizeof(second_ikmrpriv), |
| second_expected_shared_secret, sizeof(second_expected_shared_secret), |
| ksinfo, sizeof(ksinfo), |
| NULL, 0, /* no auth ikm */ |
| NULL, 0, NULL /* no psk */ |
| }; |
| const TEST_AEADDATA aeaddata[] = { |
| { 0, |
| pt, sizeof(pt), |
| second_aead0, sizeof(second_aead0), |
| second_ct0, sizeof(second_ct0) }, |
| { 1, |
| pt, sizeof(pt), |
| second_aead1, sizeof(second_aead1), |
| second_ct1, sizeof(second_ct1) } |
| }; |
| const TEST_EXPORTDATA exportdata[] = { |
| { NULL, 0, second_export1, sizeof(second_export1) }, |
| { second_context2, sizeof(second_context2), |
| second_export2, sizeof(second_export2) }, |
| { second_context3, sizeof(second_context3), |
| second_export3, sizeof(second_export3) }, |
| }; |
| return do_testhpke(&basedata, aeaddata, OSSL_NELEM(aeaddata), |
| exportdata, OSSL_NELEM(exportdata)); |
| } |
| #endif |
| |
| static const unsigned char third_ikme[] = { |
| 0x42, 0x70, 0xe5, 0x4f, 0xfd, 0x08, 0xd7, 0x9d, |
| 0x59, 0x28, 0x02, 0x0a, 0xf4, 0x68, 0x6d, 0x8f, |
| 0x6b, 0x7d, 0x35, 0xdb, 0xe4, 0x70, 0x26, 0x5f, |
| 0x1f, 0x5a, 0xa2, 0x28, 0x16, 0xce, 0x86, 0x0e |
| }; |
| static const unsigned char third_ikmepub[] = { |
| 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, |
| }; |
| static const unsigned char third_ikmr[] = { |
| 0x66, 0x8b, 0x37, 0x17, 0x1f, 0x10, 0x72, 0xf3, |
| 0xcf, 0x12, 0xea, 0x8a, 0x23, 0x6a, 0x45, 0xdf, |
| 0x23, 0xfc, 0x13, 0xb8, 0x2a, 0xf3, 0x60, 0x9a, |
| 0xd1, 0xe3, 0x54, 0xf6, 0xef, 0x81, 0x75, 0x50 |
| }; |
| static const unsigned char third_ikmrpub[] = { |
| 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 |
| }; |
| static const unsigned char third_ikmrpriv[] = { |
| 0xf3, 0xce, 0x7f, 0xda, 0xe5, 0x7e, 0x1a, 0x31, |
| 0x0d, 0x87, 0xf1, 0xeb, 0xbd, 0xe6, 0xf3, 0x28, |
| 0xbe, 0x0a, 0x99, 0xcd, 0xbc, 0xad, 0xf4, 0xd6, |
| 0x58, 0x9c, 0xf2, 0x9d, 0xe4, 0xb8, 0xff, 0xd2 |
| }; |
| static const unsigned char third_expected_shared_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 |
| }; |
| static const unsigned char third_aead0[] = { |
| 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x2d, 0x30 |
| }; |
| static const unsigned char third_ct0[] = { |
| 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 |
| }; |
| static const unsigned char third_aead1[] = { |
| 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x2d, 0x31 |
| }; |
| static const unsigned char third_ct1[] = { |
| 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 |
| }; |
| static const unsigned char third_export1[] = { |
| 0x5e, 0x9b, 0xc3, 0xd2, 0x36, 0xe1, 0x91, 0x1d, |
| 0x95, 0xe6, 0x5b, 0x57, 0x6a, 0x8a, 0x86, 0xd4, |
| 0x78, 0xfb, 0x82, 0x7e, 0x8b, 0xdf, 0xe7, 0x7b, |
| 0x74, 0x1b, 0x28, 0x98, 0x90, 0x49, 0x0d, 0x4d |
| }; |
| static const unsigned char third_context2[] = { 0x00 }; |
| static const unsigned char third_export2[] = { |
| 0x6c, 0xff, 0x87, 0x65, 0x89, 0x31, 0xbd, 0xa8, |
| 0x3d, 0xc8, 0x57, 0xe6, 0x35, 0x3e, 0xfe, 0x49, |
| 0x87, 0xa2, 0x01, 0xb8, 0x49, 0x65, 0x8d, 0x9b, |
| 0x04, 0x7a, 0xab, 0x4c, 0xf2, 0x16, 0xe7, 0x96 |
| }; |
| static const unsigned char third_context3[] = { |
| 0x54, 0x65, 0x73, 0x74, 0x43, 0x6f, 0x6e, 0x74, |
| 0x65, 0x78, 0x74 |
| }; |
| static const unsigned char third_export3[] = { |
| 0xd8, 0xf1, 0xea, 0x79, 0x42, 0xad, 0xbb, 0xa7, |
| 0x41, 0x2c, 0x6d, 0x43, 0x1c, 0x62, 0xd0, 0x13, |
| 0x71, 0xea, 0x47, 0x6b, 0x82, 0x3e, 0xb6, 0x97, |
| 0xe1, 0xf6, 0xe6, 0xca, 0xe1, 0xda, 0xb8, 0x5a |
| }; |
| |
| static int P256kdfsha256_hkdfsha256_aes128gcm_base_test(void) |
| { |
| const TEST_BASEDATA basedata = { |
| OSSL_HPKE_MODE_BASE, |
| { OSSL_HPKE_KEM_ID_P256, |
| OSSL_HPKE_KDF_ID_HKDF_SHA256, |
| OSSL_HPKE_AEAD_ID_AES_GCM_128 }, |
| third_ikme, sizeof(third_ikme), |
| third_ikmepub, sizeof(third_ikmepub), |
| third_ikmr, sizeof(third_ikmr), |
| third_ikmrpub, sizeof(third_ikmrpub), |
| third_ikmrpriv, sizeof(third_ikmrpriv), |
| third_expected_shared_secret, sizeof(third_expected_shared_secret), |
| ksinfo, sizeof(ksinfo), |
| NULL, 0, /* no auth */ |
| NULL, 0, NULL /* PSK stuff */ |
| }; |
| const TEST_AEADDATA aeaddata[] = { |
| { 0, |
| pt, sizeof(pt), |
| third_aead0, sizeof(third_aead0), |
| third_ct0, sizeof(third_ct0) }, |
| { 1, |
| pt, sizeof(pt), |
| third_aead1, sizeof(third_aead1), |
| third_ct1, sizeof(third_ct1) } |
| }; |
| const TEST_EXPORTDATA exportdata[] = { |
| { NULL, 0, third_export1, sizeof(third_export1) }, |
| { third_context2, sizeof(third_context2), |
| third_export2, sizeof(third_export2) }, |
| { third_context3, sizeof(third_context3), |
| third_export3, sizeof(third_export3) }, |
| }; |
| return do_testhpke(&basedata, aeaddata, OSSL_NELEM(aeaddata), |
| exportdata, OSSL_NELEM(exportdata)); |
| } |
| |
| #ifndef OPENSSL_NO_ECX |
| static const unsigned char fourth_ikme[] = { |
| 0x55, 0xbc, 0x24, 0x5e, 0xe4, 0xef, 0xda, 0x25, |
| 0xd3, 0x8f, 0x2d, 0x54, 0xd5, 0xbb, 0x66, 0x65, |
| 0x29, 0x1b, 0x99, 0xf8, 0x10, 0x8a, 0x8c, 0x4b, |
| 0x68, 0x6c, 0x2b, 0x14, 0x89, 0x3e, 0xa5, 0xd9 |
| }; |
| static const unsigned char fourth_ikmepub[] = { |
| 0xe5, 0xe8, 0xf9, 0xbf, 0xff, 0x6c, 0x2f, 0x29, |
| 0x79, 0x1f, 0xc3, 0x51, 0xd2, 0xc2, 0x5c, 0xe1, |
| 0x29, 0x9a, 0xa5, 0xea, 0xca, 0x78, 0xa7, 0x57, |
| 0xc0, 0xb4, 0xfb, 0x4b, 0xcd, 0x83, 0x09, 0x18 |
| }; |
| static const unsigned char fourth_ikmr[] = { |
| 0x68, 0x3a, 0xe0, 0xda, 0x1d, 0x22, 0x18, 0x1e, |
| 0x74, 0xed, 0x2e, 0x50, 0x3e, 0xbf, 0x82, 0x84, |
| 0x0d, 0xeb, 0x1d, 0x5e, 0x87, 0x2c, 0xad, 0xe2, |
| 0x0f, 0x4b, 0x45, 0x8d, 0x99, 0x78, 0x3e, 0x31 |
| }; |
| static const unsigned char fourth_ikmrpub[] = { |
| 0x19, 0x41, 0x41, 0xca, 0x6c, 0x3c, 0x3b, 0xeb, |
| 0x47, 0x92, 0xcd, 0x97, 0xba, 0x0e, 0xa1, 0xfa, |
| 0xff, 0x09, 0xd9, 0x84, 0x35, 0x01, 0x23, 0x45, |
| 0x76, 0x6e, 0xe3, 0x3a, 0xae, 0x2d, 0x76, 0x64 |
| }; |
| static const unsigned char fourth_ikmrpriv[] = { |
| 0x33, 0xd1, 0x96, 0xc8, 0x30, 0xa1, 0x2f, 0x9a, |
| 0xc6, 0x5d, 0x6e, 0x56, 0x5a, 0x59, 0x0d, 0x80, |
| 0xf0, 0x4e, 0xe9, 0xb1, 0x9c, 0x83, 0xc8, 0x7f, |
| 0x2c, 0x17, 0x0d, 0x97, 0x2a, 0x81, 0x28, 0x48 |
| }; |
| static const unsigned char fourth_expected_shared_secret[] = { |
| 0xe8, 0x17, 0x16, 0xce, 0x8f, 0x73, 0x14, 0x1d, |
| 0x4f, 0x25, 0xee, 0x90, 0x98, 0xef, 0xc9, 0x68, |
| 0xc9, 0x1e, 0x5b, 0x8c, 0xe5, 0x2f, 0xff, 0xf5, |
| 0x9d, 0x64, 0x03, 0x9e, 0x82, 0x91, 0x8b, 0x66 |
| }; |
| static const unsigned char fourth_export1[] = { |
| 0x7a, 0x36, 0x22, 0x1b, 0xd5, 0x6d, 0x50, 0xfb, |
| 0x51, 0xee, 0x65, 0xed, 0xfd, 0x98, 0xd0, 0x6a, |
| 0x23, 0xc4, 0xdc, 0x87, 0x08, 0x5a, 0xa5, 0x86, |
| 0x6c, 0xb7, 0x08, 0x72, 0x44, 0xbd, 0x2a, 0x36 |
| }; |
| static const unsigned char fourth_context2[] = { 0x00 }; |
| static const unsigned char fourth_export2[] = { |
| 0xd5, 0x53, 0x5b, 0x87, 0x09, 0x9c, 0x6c, 0x3c, |
| 0xe8, 0x0d, 0xc1, 0x12, 0xa2, 0x67, 0x1c, 0x6e, |
| 0xc8, 0xe8, 0x11, 0xa2, 0xf2, 0x84, 0xf9, 0x48, |
| 0xce, 0xc6, 0xdd, 0x17, 0x08, 0xee, 0x33, 0xf0 |
| }; |
| static const unsigned char fourth_context3[] = { |
| 0x54, 0x65, 0x73, 0x74, 0x43, 0x6f, 0x6e, 0x74, |
| 0x65, 0x78, 0x74 |
| }; |
| static const unsigned char fourth_export3[] = { |
| 0xff, 0xaa, 0xbc, 0x85, 0xa7, 0x76, 0x13, 0x6c, |
| 0xa0, 0xc3, 0x78, 0xe5, 0xd0, 0x84, 0xc9, 0x14, |
| 0x0a, 0xb5, 0x52, 0xb7, 0x8f, 0x03, 0x9d, 0x2e, |
| 0x87, 0x75, 0xf2, 0x6e, 0xff, 0xf4, 0xc7, 0x0e |
| }; |
| |
| static int export_only_test(void) |
| { |
| /* based on RFC9180 A.7 */ |
| const TEST_BASEDATA basedata = { |
| OSSL_HPKE_MODE_BASE, |
| { OSSL_HPKE_KEM_ID_X25519, |
| OSSL_HPKE_KDF_ID_HKDF_SHA256, |
| OSSL_HPKE_AEAD_ID_EXPORTONLY }, |
| fourth_ikme, sizeof(fourth_ikme), |
| fourth_ikmepub, sizeof(fourth_ikmepub), |
| fourth_ikmr, sizeof(fourth_ikmr), |
| fourth_ikmrpub, sizeof(fourth_ikmrpub), |
| fourth_ikmrpriv, sizeof(fourth_ikmrpriv), |
| fourth_expected_shared_secret, sizeof(fourth_expected_shared_secret), |
| ksinfo, sizeof(ksinfo), |
| NULL, 0, /* no auth */ |
| NULL, 0, NULL /* PSK stuff */ |
| }; |
| const TEST_EXPORTDATA exportdata[] = { |
| { NULL, 0, fourth_export1, sizeof(fourth_export1) }, |
| { fourth_context2, sizeof(fourth_context2), |
| fourth_export2, sizeof(fourth_export2) }, |
| { fourth_context3, sizeof(fourth_context3), |
| fourth_export3, sizeof(fourth_export3) }, |
| }; |
| return do_testhpke(&basedata, NULL, 0, |
| exportdata, OSSL_NELEM(exportdata)); |
| } |
| #endif |
| |
| /* |
| * Randomly toss a coin |
| */ |
| #define COIN_IS_HEADS (test_random() % 2) |
| |
| /* tables of HPKE modes and suite values */ |
| static int hpke_mode_list[] = { |
| OSSL_HPKE_MODE_BASE, |
| OSSL_HPKE_MODE_PSK, |
| OSSL_HPKE_MODE_AUTH, |
| OSSL_HPKE_MODE_PSKAUTH |
| }; |
| static uint16_t hpke_kem_list[] = { |
| OSSL_HPKE_KEM_ID_P256, |
| OSSL_HPKE_KEM_ID_P384, |
| OSSL_HPKE_KEM_ID_P521, |
| #ifndef OPENSSL_NO_ECX |
| OSSL_HPKE_KEM_ID_X25519, |
| OSSL_HPKE_KEM_ID_X448 |
| #endif |
| }; |
| static uint16_t hpke_kdf_list[] = { |
| OSSL_HPKE_KDF_ID_HKDF_SHA256, |
| OSSL_HPKE_KDF_ID_HKDF_SHA384, |
| OSSL_HPKE_KDF_ID_HKDF_SHA512 |
| }; |
| static uint16_t hpke_aead_list[] = { |
| OSSL_HPKE_AEAD_ID_AES_GCM_128, |
| OSSL_HPKE_AEAD_ID_AES_GCM_256, |
| #if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305) |
| OSSL_HPKE_AEAD_ID_CHACHA_POLY1305 |
| #endif |
| }; |
| |
| /* |
| * Strings that can be used with names or IANA codepoints. |
| * Note that the initial entries from these lists should |
| * match the lists above, i.e. kem_str_list[0] and |
| * hpke_kem_list[0] should refer to the same KEM. We use |
| * that for verbose output via TEST_note() below. |
| * Subsequent entries are only used for tests of |
| * OSSL_HPKE_str2suite() |
| */ |
| static const char *mode_str_list[] = { |
| "base", "psk", "auth", "pskauth" |
| }; |
| static const char *kem_str_list[] = { |
| #ifndef OPENSSL_NO_ECX |
| "P-256", "P-384", "P-521", "x25519", "x448", |
| "0x10", "0x11", "0x12", "0x20", "0x21", |
| "16", "17", "18", "32", "33" |
| #else |
| "P-256", "P-384", "P-521", |
| "0x10", "0x11", "0x12", |
| "16", "17", "18" |
| #endif |
| }; |
| static const char *kdf_str_list[] = { |
| "hkdf-sha256", "hkdf-sha384", "hkdf-sha512", |
| "0x1", "0x01", "0x2", "0x02", "0x3", "0x03", |
| "1", "2", "3" |
| }; |
| static const char *aead_str_list[] = { |
| "aes-128-gcm", "aes-256-gcm", "chacha20-poly1305", "exporter", |
| "0x1", "0x01", "0x2", "0x02", "0x3", "0x03", |
| "1", "2", "3", |
| "0xff", "255" |
| }; |
| /* table of bogus strings that better not work */ |
| static const char *bogus_suite_strs[] = { |
| "3,33,3", |
| "bogus,bogus,bogus", |
| "bogus,33,3,1,bogus", |
| "bogus,33,3,1", |
| "bogus,bogus", |
| "bogus", |
| /* one bad token */ |
| "0x10,0x01,bogus", |
| "0x10,bogus,0x01", |
| "bogus,0x02,0x01", |
| /* in reverse order */ |
| "aes-256-gcm,hkdf-sha512,x25519", |
| /* surplus separators */ |
| ",,0x10,0x01,0x02", |
| "0x10,,0x01,0x02", |
| "0x10,0x01,,0x02", |
| /* embedded NUL chars */ |
| "0x10,\00x01,,0x02", |
| "0x10,\0" |
| "0x01,0x02", |
| "0x10\0,0x01,0x02", |
| "0x10,0x01\0,0x02", |
| "0x10,0x01,\0" |
| "0x02", |
| /* embedded whitespace */ |
| " aes-256-gcm,hkdf-sha512,x25519", |
| "aes-256-gcm, hkdf-sha512,x25519", |
| "aes-256-gcm ,hkdf-sha512,x25519", |
| "aes-256-gcm,hkdf-sha512, x25519", |
| "aes-256-gcm,hkdf-sha512 ,x25519", |
| "aes-256-gcm,hkdf-sha512,x25519 ", |
| /* good value followed by extra stuff */ |
| "0x10,0x01,0x02,", |
| "0x10,0x01,0x02,,,", |
| "0x10,0x01,0x01,0x02", |
| "0x10,0x01,0x01,blah", |
| "0x10,0x01,0x01 0x02", |
| /* too few but good tokens */ |
| "0x10,0x01", |
| "0x10", |
| /* empty things */ |
| NULL, |
| "", |
| ",", |
| ",," |
| }; |
| |
| /** |
| * @brief round-trips, generating keys, encrypt and decrypt |
| * |
| * This iterates over all mode and ciphersuite options trying |
| * a key gen, encrypt and decrypt for each. The aad, info, and |
| * seq inputs are randomly set or omitted each time. EVP and |
| * non-EVP key generation are randomly selected. |
| * |
| * @return 1 for success, other otherwise |
| */ |
| static int test_hpke_modes_suites(void) |
| { |
| int overallresult = 1; |
| size_t mind = 0; /* index into hpke_mode_list */ |
| size_t kemind = 0; /* index into hpke_kem_list */ |
| size_t kdfind = 0; /* index into hpke_kdf_list */ |
| size_t aeadind = 0; /* index into hpke_aead_list */ |
| |
| /* iterate over the different modes */ |
| for (mind = 0; mind < OSSL_NELEM(hpke_mode_list); mind++) { |
| int hpke_mode = hpke_mode_list[mind]; |
| size_t aadlen = OSSL_HPKE_TSTSIZE; |
| unsigned char aad[OSSL_HPKE_TSTSIZE]; |
| unsigned char *aadp = NULL; |
| size_t infolen = 32; |
| unsigned char info[32]; |
| unsigned char *infop = NULL; |
| unsigned char lpsk[32]; |
| unsigned char *pskp = NULL; |
| char lpskid[32]; |
| size_t psklen = 32; |
| char *pskidp = NULL; |
| EVP_PKEY *privp = NULL; |
| OSSL_HPKE_SUITE hpke_suite = OSSL_HPKE_SUITE_DEFAULT; |
| size_t plainlen = OSSL_HPKE_TSTSIZE; |
| unsigned char plain[OSSL_HPKE_TSTSIZE]; |
| OSSL_HPKE_CTX *rctx = NULL; |
| OSSL_HPKE_CTX *ctx = NULL; |
| |
| memset(plain, 0x00, OSSL_HPKE_TSTSIZE); |
| strcpy((char *)plain, "a message not in a bottle"); |
| plainlen = strlen((char *)plain); |
| /* |
| * Randomly try with/without info, aad, seq. Given mode and suite |
| * combos, and this being run even a few times, we'll exercise many |
| * code paths fairly quickly. We don't really care what the values |
| * are but it'll be easier to debug if they're known, so we set 'em. |
| */ |
| if (COIN_IS_HEADS) { |
| aadp = aad; |
| memset(aad, 'a', aadlen); |
| } else { |
| aadlen = 0; |
| } |
| if (COIN_IS_HEADS) { |
| infop = info; |
| memset(info, 'i', infolen); |
| } else { |
| infolen = 0; |
| } |
| if (hpke_mode == OSSL_HPKE_MODE_PSK |
| || hpke_mode == OSSL_HPKE_MODE_PSKAUTH) { |
| pskp = lpsk; |
| memset(lpsk, 'P', psklen); |
| pskidp = lpskid; |
| memset(lpskid, 'I', psklen - 1); |
| lpskid[psklen - 1] = '\0'; |
| } else { |
| psklen = 0; |
| } |
| for (kemind = 0; /* iterate over the kems, kdfs and aeads */ |
| overallresult == 1 && kemind < OSSL_NELEM(hpke_kem_list); |
| kemind++) { |
| uint16_t kem_id = hpke_kem_list[kemind]; |
| size_t authpublen = OSSL_HPKE_TSTSIZE; |
| unsigned char authpub[OSSL_HPKE_TSTSIZE]; |
| unsigned char *authpubp = NULL; |
| EVP_PKEY *authpriv = NULL; |
| |
| hpke_suite.kem_id = kem_id; |
| if (hpke_mode == OSSL_HPKE_MODE_AUTH |
| || hpke_mode == OSSL_HPKE_MODE_PSKAUTH) { |
| if (TEST_true(OSSL_HPKE_keygen(hpke_suite, authpub, &authpublen, |
| &authpriv, NULL, 0, |
| testctx, NULL)) |
| != 1) { |
| overallresult = 0; |
| } |
| authpubp = authpub; |
| } else { |
| authpublen = 0; |
| } |
| for (kdfind = 0; |
| overallresult == 1 && kdfind < OSSL_NELEM(hpke_kdf_list); |
| kdfind++) { |
| uint16_t kdf_id = hpke_kdf_list[kdfind]; |
| |
| hpke_suite.kdf_id = kdf_id; |
| for (aeadind = 0; |
| overallresult == 1 |
| && aeadind < OSSL_NELEM(hpke_aead_list); |
| aeadind++) { |
| uint16_t aead_id = hpke_aead_list[aeadind]; |
| size_t publen = OSSL_HPKE_TSTSIZE; |
| unsigned char pub[OSSL_HPKE_TSTSIZE]; |
| size_t senderpublen = OSSL_HPKE_TSTSIZE; |
| unsigned char senderpub[OSSL_HPKE_TSTSIZE]; |
| size_t cipherlen = OSSL_HPKE_TSTSIZE; |
| unsigned char cipher[OSSL_HPKE_TSTSIZE]; |
| size_t clearlen = OSSL_HPKE_TSTSIZE; |
| unsigned char clear[OSSL_HPKE_TSTSIZE]; |
| |
| hpke_suite.aead_id = aead_id; |
| if (!TEST_true(OSSL_HPKE_keygen(hpke_suite, |
| pub, &publen, &privp, |
| NULL, 0, testctx, NULL))) |
| overallresult = 0; |
| if (!TEST_ptr(ctx = OSSL_HPKE_CTX_new(hpke_mode, hpke_suite, |
| OSSL_HPKE_ROLE_SENDER, |
| testctx, NULL))) |
| overallresult = 0; |
| if (hpke_mode == OSSL_HPKE_MODE_PSK |
| || hpke_mode == OSSL_HPKE_MODE_PSKAUTH) { |
| if (!TEST_true(OSSL_HPKE_CTX_set1_psk(ctx, pskidp, |
| pskp, psklen))) |
| overallresult = 0; |
| } |
| if (hpke_mode == OSSL_HPKE_MODE_AUTH |
| || hpke_mode == OSSL_HPKE_MODE_PSKAUTH) { |
| if (!TEST_true(OSSL_HPKE_CTX_set1_authpriv(ctx, |
| authpriv))) |
| overallresult = 0; |
| } |
| if (!TEST_true(OSSL_HPKE_encap(ctx, senderpub, |
| &senderpublen, |
| pub, publen, |
| infop, infolen))) |
| overallresult = 0; |
| /* throw in a call with a too-short cipherlen */ |
| cipherlen = 15; |
| if (!TEST_false(OSSL_HPKE_seal(ctx, cipher, &cipherlen, |
| aadp, aadlen, |
| plain, plainlen))) |
| overallresult = 0; |
| /* fix back real cipherlen */ |
| cipherlen = OSSL_HPKE_TSTSIZE; |
| if (!TEST_true(OSSL_HPKE_seal(ctx, cipher, &cipherlen, |
| aadp, aadlen, |
| plain, plainlen))) |
| overallresult = 0; |
| OSSL_HPKE_CTX_free(ctx); |
| memset(clear, 0, clearlen); |
| rctx = OSSL_HPKE_CTX_new(hpke_mode, hpke_suite, |
| OSSL_HPKE_ROLE_RECEIVER, |
| testctx, NULL); |
| if (!TEST_ptr(rctx)) |
| overallresult = 0; |
| if (hpke_mode == OSSL_HPKE_MODE_PSK |
| || hpke_mode == OSSL_HPKE_MODE_PSKAUTH) { |
| if (!TEST_true(OSSL_HPKE_CTX_set1_psk(rctx, pskidp, |
| pskp, psklen))) |
| overallresult = 0; |
| } |
| if (hpke_mode == OSSL_HPKE_MODE_AUTH |
| || hpke_mode == OSSL_HPKE_MODE_PSKAUTH) { |
| /* check a borked p256 key */ |
| if (hpke_suite.kem_id == OSSL_HPKE_KEM_ID_P256) { |
| /* set to fail decode of authpub this time */ |
| if (!TEST_false(OSSL_HPKE_CTX_set1_authpub(rctx, |
| authpub, |
| 10))) |
| overallresult = 0; |
| } |
| if (!TEST_true(OSSL_HPKE_CTX_set1_authpub(rctx, |
| authpubp, |
| authpublen))) |
| overallresult = 0; |
| } |
| if (!TEST_true(OSSL_HPKE_decap(rctx, senderpub, |
| senderpublen, privp, |
| infop, infolen))) |
| overallresult = 0; |
| /* throw in a call with a too-short clearlen */ |
| clearlen = 15; |
| if (!TEST_false(OSSL_HPKE_open(rctx, clear, &clearlen, |
| aadp, aadlen, cipher, |
| cipherlen))) |
| overallresult = 0; |
| /* fix up real clearlen again */ |
| clearlen = OSSL_HPKE_TSTSIZE; |
| if (!TEST_true(OSSL_HPKE_open(rctx, clear, &clearlen, |
| aadp, aadlen, cipher, |
| cipherlen))) |
| overallresult = 0; |
| OSSL_HPKE_CTX_free(rctx); |
| EVP_PKEY_free(privp); |
| privp = NULL; |
| /* check output */ |
| if (!TEST_mem_eq(clear, clearlen, plain, plainlen)) { |
| overallresult = 0; |
| } |
| if (verbose || overallresult != 1) { |
| const char *res = NULL; |
| |
| res = (overallresult == 1 ? "worked" : "failed"); |
| TEST_note("HPKE %s for mode: %s/0x%02x, " |
| "kem: %s/0x%02x, kdf: %s/0x%02x, " |
| "aead: %s/0x%02x", |
| res, |
| mode_str_list[mind], (int)mind, |
| kem_str_list[kemind], kem_id, |
| kdf_str_list[kdfind], kdf_id, |
| aead_str_list[aeadind], aead_id); |
| } |
| } |
| } |
| EVP_PKEY_free(authpriv); |
| } |
| } |
| return overallresult; |
| } |
| |
| /** |
| * @brief check roundtrip for export |
| * @return 1 for success, other otherwise |
| */ |
| static int test_hpke_export(void) |
| { |
| int erv = 0; |
| EVP_PKEY *privp = NULL; |
| unsigned char pub[OSSL_HPKE_TSTSIZE]; |
| size_t publen = sizeof(pub); |
| int hpke_mode = OSSL_HPKE_MODE_BASE; |
| OSSL_HPKE_SUITE hpke_suite = OSSL_HPKE_SUITE_DEFAULT; |
| OSSL_HPKE_CTX *ctx = NULL; |
| OSSL_HPKE_CTX *rctx = NULL; |
| unsigned char exp[32]; |
| unsigned char exp2[32]; |
| unsigned char rexp[32]; |
| unsigned char rexp2[32]; |
| unsigned char plain[] = "quick brown fox"; |
| size_t plainlen = sizeof(plain); |
| unsigned char enc[OSSL_HPKE_TSTSIZE]; |
| size_t enclen = sizeof(enc); |
| unsigned char cipher[OSSL_HPKE_TSTSIZE]; |
| size_t cipherlen = sizeof(cipher); |
| unsigned char clear[OSSL_HPKE_TSTSIZE]; |
| size_t clearlen = sizeof(clear); |
| char *estr = "foo"; |
| |
| if (!TEST_true(OSSL_HPKE_keygen(hpke_suite, pub, &publen, &privp, |
| NULL, 0, testctx, NULL))) |
| goto end; |
| if (!TEST_ptr(ctx = OSSL_HPKE_CTX_new(hpke_mode, hpke_suite, |
| OSSL_HPKE_ROLE_SENDER, |
| testctx, NULL))) |
| goto end; |
| /* a few error cases 1st */ |
| if (!TEST_false(OSSL_HPKE_export(NULL, exp, sizeof(exp), |
| (unsigned char *)estr, strlen(estr)))) |
| goto end; |
| /* ctx before encap should fail too */ |
| if (!TEST_false(OSSL_HPKE_export(ctx, exp, sizeof(exp), |
| (unsigned char *)estr, strlen(estr)))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_encap(ctx, enc, &enclen, pub, publen, NULL, 0))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_seal(ctx, cipher, &cipherlen, NULL, 0, |
| plain, plainlen))) |
| goto end; |
| /* now for real */ |
| if (!TEST_true(OSSL_HPKE_export(ctx, exp, sizeof(exp), |
| (unsigned char *)estr, strlen(estr)))) |
| goto end; |
| /* check a 2nd call with same input gives same output */ |
| if (!TEST_true(OSSL_HPKE_export(ctx, exp2, sizeof(exp2), |
| (unsigned char *)estr, strlen(estr)))) |
| goto end; |
| if (!TEST_mem_eq(exp, sizeof(exp), exp2, sizeof(exp2))) |
| goto end; |
| if (!TEST_ptr(rctx = OSSL_HPKE_CTX_new(hpke_mode, hpke_suite, |
| OSSL_HPKE_ROLE_RECEIVER, |
| testctx, NULL))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_decap(rctx, enc, enclen, privp, NULL, 0))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_open(rctx, clear, &clearlen, NULL, 0, |
| cipher, cipherlen))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_export(rctx, rexp, sizeof(rexp), |
| (unsigned char *)estr, strlen(estr)))) |
| goto end; |
| /* check a 2nd call with same input gives same output */ |
| if (!TEST_true(OSSL_HPKE_export(rctx, rexp2, sizeof(rexp2), |
| (unsigned char *)estr, strlen(estr)))) |
| goto end; |
| if (!TEST_mem_eq(rexp, sizeof(rexp), rexp2, sizeof(rexp2))) |
| goto end; |
| if (!TEST_mem_eq(exp, sizeof(exp), rexp, sizeof(rexp))) |
| goto end; |
| erv = 1; |
| end: |
| OSSL_HPKE_CTX_free(ctx); |
| OSSL_HPKE_CTX_free(rctx); |
| EVP_PKEY_free(privp); |
| return erv; |
| } |
| |
| /** |
| * @brief Check mapping from strings to HPKE suites |
| * @return 1 for success, other otherwise |
| */ |
| static int test_hpke_suite_strs(void) |
| { |
| int overallresult = 1; |
| int kemind = 0; |
| int kdfind = 0; |
| int aeadind = 0; |
| int sind = 0; |
| char sstr[128]; |
| OSSL_HPKE_SUITE stirred; |
| char giant[2048]; |
| |
| for (kemind = 0; kemind != OSSL_NELEM(kem_str_list); kemind++) { |
| for (kdfind = 0; kdfind != OSSL_NELEM(kdf_str_list); kdfind++) { |
| for (aeadind = 0; aeadind != OSSL_NELEM(aead_str_list); aeadind++) { |
| BIO_snprintf(sstr, 128, "%s,%s,%s", kem_str_list[kemind], |
| kdf_str_list[kdfind], aead_str_list[aeadind]); |
| if (TEST_true(OSSL_HPKE_str2suite(sstr, &stirred)) != 1) { |
| if (verbose) |
| TEST_note("Unexpected str2suite fail for :%s", |
| bogus_suite_strs[sind]); |
| overallresult = 0; |
| } |
| } |
| } |
| } |
| for (sind = 0; sind != OSSL_NELEM(bogus_suite_strs); sind++) { |
| if (TEST_false(OSSL_HPKE_str2suite(bogus_suite_strs[sind], |
| &stirred)) |
| != 1) { |
| if (verbose) |
| TEST_note("OSSL_HPKE_str2suite didn't fail for bogus[%d]:%s", |
| sind, bogus_suite_strs[sind]); |
| overallresult = 0; |
| } |
| } |
| /* check a few errors */ |
| if (!TEST_false(OSSL_HPKE_str2suite("", &stirred))) |
| overallresult = 0; |
| if (!TEST_false(OSSL_HPKE_str2suite(NULL, &stirred))) |
| overallresult = 0; |
| if (!TEST_false(OSSL_HPKE_str2suite("", NULL))) |
| overallresult = 0; |
| memset(giant, 'A', sizeof(giant) - 1); |
| giant[sizeof(giant) - 1] = '\0'; |
| if (!TEST_false(OSSL_HPKE_str2suite(giant, &stirred))) |
| overallresult = 0; |
| |
| return overallresult; |
| } |
| |
| /** |
| * @brief try the various GREASEy APIs |
| * @return 1 for success, other otherwise |
| */ |
| static int test_hpke_grease(void) |
| { |
| int overallresult = 1; |
| OSSL_HPKE_SUITE g_suite; |
| unsigned char g_pub[OSSL_HPKE_TSTSIZE]; |
| size_t g_pub_len = OSSL_HPKE_TSTSIZE; |
| unsigned char g_cipher[OSSL_HPKE_TSTSIZE]; |
| size_t g_cipher_len = 266; |
| size_t clearlen = 128; |
| size_t expanded = 0; |
| size_t enclen = 0; |
| size_t ikmelen = 0; |
| |
| memset(&g_suite, 0, sizeof(OSSL_HPKE_SUITE)); |
| /* GREASEing */ |
| /* check too short for public value */ |
| g_pub_len = 10; |
| if (TEST_false(OSSL_HPKE_get_grease_value(NULL, &g_suite, |
| g_pub, &g_pub_len, |
| g_cipher, g_cipher_len, |
| testctx, NULL)) |
| != 1) { |
| overallresult = 0; |
| } |
| /* reset to work */ |
| g_pub_len = OSSL_HPKE_TSTSIZE; |
| if (TEST_true(OSSL_HPKE_get_grease_value(NULL, &g_suite, |
| g_pub, &g_pub_len, |
| g_cipher, g_cipher_len, |
| testctx, NULL)) |
| != 1) { |
| overallresult = 0; |
| } |
| /* expansion */ |
| expanded = OSSL_HPKE_get_ciphertext_size(g_suite, clearlen); |
| if (!TEST_size_t_gt(expanded, clearlen)) { |
| overallresult = 0; |
| } |
| enclen = OSSL_HPKE_get_public_encap_size(g_suite); |
| if (!TEST_size_t_ne(enclen, 0)) |
| overallresult = 0; |
| /* not really GREASE but we'll check ikmelen thing */ |
| ikmelen = OSSL_HPKE_get_recommended_ikmelen(g_suite); |
| if (!TEST_size_t_ne(ikmelen, 0)) |
| overallresult = 0; |
| |
| return overallresult; |
| } |
| |
| /* |
| * Make a set of calls with odd parameters |
| */ |
| static int test_hpke_oddcalls(void) |
| { |
| int erv = 0; |
| EVP_PKEY *privp = NULL; |
| unsigned char pub[OSSL_HPKE_TSTSIZE]; |
| size_t publen = sizeof(pub); |
| int hpke_mode = OSSL_HPKE_MODE_BASE; |
| int bad_mode = 0xbad; |
| OSSL_HPKE_SUITE hpke_suite = OSSL_HPKE_SUITE_DEFAULT; |
| OSSL_HPKE_SUITE bad_suite = { 0xbad, 0xbad, 0xbad }; |
| OSSL_HPKE_CTX *ctx = NULL; |
| OSSL_HPKE_CTX *rctx = NULL; |
| unsigned char plain[] = "quick brown fox"; |
| size_t plainlen = sizeof(plain); |
| unsigned char enc[OSSL_HPKE_TSTSIZE], smallenc[10]; |
| size_t enclen = sizeof(enc), smallenclen = sizeof(smallenc); |
| unsigned char cipher[OSSL_HPKE_TSTSIZE]; |
| size_t cipherlen = sizeof(cipher); |
| unsigned char clear[OSSL_HPKE_TSTSIZE]; |
| size_t clearlen = sizeof(clear); |
| unsigned char fake_ikm[OSSL_HPKE_TSTSIZE]; |
| char *badpropq = "yeah, this won't work"; |
| uint64_t lseq = 0; |
| char giant_pskid[OSSL_HPKE_MAX_PARMLEN + 10]; |
| unsigned char info[OSSL_HPKE_TSTSIZE]; |
| |
| /* many of the calls below are designed to get better test coverage */ |
| |
| /* NULL ctx calls */ |
| OSSL_HPKE_CTX_free(NULL); |
| if (!TEST_false(OSSL_HPKE_CTX_set_seq(NULL, 1))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_CTX_get_seq(NULL, &lseq))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_CTX_set1_authpub(NULL, pub, publen))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_CTX_set1_authpriv(NULL, privp))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_CTX_set1_ikme(NULL, NULL, 0))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_CTX_set1_psk(NULL, NULL, NULL, 0))) |
| goto end; |
| |
| /* bad suite calls */ |
| hpke_suite.aead_id = 0xbad; |
| if (!TEST_false(OSSL_HPKE_suite_check(hpke_suite))) |
| goto end; |
| hpke_suite.aead_id = OSSL_HPKE_AEAD_ID_AES_GCM_128; |
| if (!TEST_false(OSSL_HPKE_suite_check(bad_suite))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_get_recommended_ikmelen(bad_suite))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_get_public_encap_size(bad_suite))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_get_ciphertext_size(bad_suite, 0))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_keygen(bad_suite, pub, &publen, &privp, |
| NULL, 0, testctx, badpropq))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_keygen(bad_suite, pub, &publen, &privp, |
| NULL, 0, testctx, NULL))) |
| goto end; |
| |
| /* dodgy keygen calls */ |
| /* no pub */ |
| if (!TEST_false(OSSL_HPKE_keygen(hpke_suite, NULL, &publen, &privp, |
| NULL, 0, testctx, NULL))) |
| goto end; |
| /* ikmlen but NULL ikm */ |
| if (!TEST_false(OSSL_HPKE_keygen(hpke_suite, pub, &publen, &privp, |
| NULL, 80, testctx, NULL))) |
| goto end; |
| /* zero ikmlen but ikm */ |
| if (!TEST_false(OSSL_HPKE_keygen(hpke_suite, pub, &publen, &privp, |
| fake_ikm, 0, testctx, NULL))) |
| goto end; |
| /* GIANT ikmlen */ |
| if (!TEST_false(OSSL_HPKE_keygen(hpke_suite, pub, &publen, &privp, |
| fake_ikm, -1, testctx, NULL))) |
| goto end; |
| /* short publen */ |
| publen = 10; |
| if (!TEST_false(OSSL_HPKE_keygen(hpke_suite, pub, &publen, &privp, |
| NULL, 0, testctx, NULL))) |
| goto end; |
| publen = sizeof(pub); |
| |
| /* encap/decap with NULLs */ |
| if (!TEST_false(OSSL_HPKE_encap(NULL, NULL, NULL, NULL, 0, NULL, 0))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_decap(NULL, NULL, 0, NULL, NULL, 0))) |
| goto end; |
| |
| /* |
| * run through a sender/recipient set of calls but with |
| * failing calls interspersed whenever possible |
| */ |
| /* good keygen */ |
| if (!TEST_true(OSSL_HPKE_keygen(hpke_suite, pub, &publen, &privp, |
| NULL, 0, testctx, NULL))) |
| goto end; |
| |
| /* a psk context with no psk => encap fail */ |
| if (!TEST_ptr(ctx = OSSL_HPKE_CTX_new(OSSL_HPKE_MODE_PSK, hpke_suite, |
| OSSL_HPKE_ROLE_SENDER, |
| testctx, NULL))) |
| goto end; |
| /* set bad length psk */ |
| if (!TEST_false(OSSL_HPKE_CTX_set1_psk(ctx, "foo", |
| (unsigned char *)"bar", -1))) |
| goto end; |
| /* set bad length pskid */ |
| memset(giant_pskid, 'A', sizeof(giant_pskid) - 1); |
| giant_pskid[sizeof(giant_pskid) - 1] = '\0'; |
| if (!TEST_false(OSSL_HPKE_CTX_set1_psk(ctx, giant_pskid, |
| (unsigned char *)"bar", 3))) |
| goto end; |
| /* still no psk really set so encap fails */ |
| if (!TEST_false(OSSL_HPKE_encap(ctx, enc, &enclen, pub, publen, NULL, 0))) |
| goto end; |
| OSSL_HPKE_CTX_free(ctx); |
| |
| /* bad suite */ |
| if (!TEST_ptr_null(ctx = OSSL_HPKE_CTX_new(hpke_mode, bad_suite, |
| OSSL_HPKE_ROLE_SENDER, |
| testctx, NULL))) |
| goto end; |
| /* bad mode */ |
| if (!TEST_ptr_null(ctx = OSSL_HPKE_CTX_new(bad_mode, hpke_suite, |
| OSSL_HPKE_ROLE_SENDER, |
| testctx, NULL))) |
| goto end; |
| /* make good ctx */ |
| if (!TEST_ptr(ctx = OSSL_HPKE_CTX_new(hpke_mode, hpke_suite, |
| OSSL_HPKE_ROLE_SENDER, |
| testctx, NULL))) |
| goto end; |
| /* too long ikm */ |
| if (!TEST_false(OSSL_HPKE_CTX_set1_ikme(ctx, fake_ikm, -1))) |
| goto end; |
| /* zero length ikm */ |
| if (!TEST_false(OSSL_HPKE_CTX_set1_ikme(ctx, fake_ikm, 0))) |
| goto end; |
| /* NULL authpub */ |
| if (!TEST_false(OSSL_HPKE_CTX_set1_authpub(ctx, NULL, 0))) |
| goto end; |
| /* NULL auth priv */ |
| if (!TEST_false(OSSL_HPKE_CTX_set1_authpriv(ctx, NULL))) |
| goto end; |
| /* priv good, but mode is bad */ |
| if (!TEST_false(OSSL_HPKE_CTX_set1_authpriv(ctx, privp))) |
| goto end; |
| /* bad mode for psk */ |
| if (!TEST_false(OSSL_HPKE_CTX_set1_psk(ctx, "foo", |
| (unsigned char *)"bar", 3))) |
| goto end; |
| /* seal before encap */ |
| if (!TEST_false(OSSL_HPKE_seal(ctx, cipher, &cipherlen, NULL, 0, |
| plain, plainlen))) |
| goto end; |
| /* encap with dodgy public */ |
| if (!TEST_false(OSSL_HPKE_encap(ctx, enc, &enclen, pub, 1, NULL, 0))) |
| goto end; |
| /* encap with too big info */ |
| if (!TEST_false(OSSL_HPKE_encap(ctx, enc, &enclen, pub, 1, info, -1))) |
| goto end; |
| /* encap with NULL info & non-zero infolen */ |
| if (!TEST_false(OSSL_HPKE_encap(ctx, enc, &enclen, pub, 1, NULL, 1))) |
| goto end; |
| /* encap with non-NULL info & zero infolen */ |
| if (!TEST_false(OSSL_HPKE_encap(ctx, enc, &enclen, pub, 1, info, 0))) |
| goto end; |
| /* encap with too small enc */ |
| if (!TEST_false(OSSL_HPKE_encap(ctx, smallenc, &smallenclen, pub, 1, NULL, 0))) |
| goto end; |
| /* good encap */ |
| if (!TEST_true(OSSL_HPKE_encap(ctx, enc, &enclen, pub, publen, NULL, 0))) |
| goto end; |
| /* second encap fail */ |
| if (!TEST_false(OSSL_HPKE_encap(ctx, enc, &enclen, pub, publen, NULL, 0))) |
| goto end; |
| plainlen = 0; |
| /* should fail for no plaintext */ |
| if (!TEST_false(OSSL_HPKE_seal(ctx, cipher, &cipherlen, NULL, 0, |
| plain, plainlen))) |
| goto end; |
| plainlen = sizeof(plain); |
| /* working seal */ |
| if (!TEST_true(OSSL_HPKE_seal(ctx, cipher, &cipherlen, NULL, 0, |
| plain, plainlen))) |
| goto end; |
| |
| /* receiver side */ |
| /* decap fail with psk mode but no psk set */ |
| if (!TEST_ptr(rctx = OSSL_HPKE_CTX_new(OSSL_HPKE_MODE_PSK, hpke_suite, |
| OSSL_HPKE_ROLE_RECEIVER, |
| testctx, NULL))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_decap(rctx, enc, enclen, privp, NULL, 0))) |
| goto end; |
| /* done with PSK mode */ |
| OSSL_HPKE_CTX_free(rctx); |
| |
| /* back good calls for base mode */ |
| if (!TEST_ptr(rctx = OSSL_HPKE_CTX_new(hpke_mode, hpke_suite, |
| OSSL_HPKE_ROLE_RECEIVER, |
| testctx, NULL))) |
| goto end; |
| /* open before decap */ |
| if (!TEST_false(OSSL_HPKE_open(rctx, clear, &clearlen, NULL, 0, |
| cipher, cipherlen))) |
| goto end; |
| /* decap with info too long */ |
| if (!TEST_false(OSSL_HPKE_decap(rctx, enc, enclen, privp, info, -1))) |
| goto end; |
| /* good decap */ |
| if (!TEST_true(OSSL_HPKE_decap(rctx, enc, enclen, privp, NULL, 0))) |
| goto end; |
| /* second decap fail */ |
| if (!TEST_false(OSSL_HPKE_decap(rctx, enc, enclen, privp, NULL, 0))) |
| goto end; |
| /* no space for recovered clear */ |
| clearlen = 0; |
| if (!TEST_false(OSSL_HPKE_open(rctx, clear, &clearlen, NULL, 0, |
| cipher, cipherlen))) |
| goto end; |
| clearlen = OSSL_HPKE_TSTSIZE; |
| /* seq wrap around test */ |
| if (!TEST_true(OSSL_HPKE_CTX_set_seq(rctx, -1))) |
| goto end; |
| if (!TEST_false(OSSL_HPKE_open(rctx, clear, &clearlen, NULL, 0, |
| cipher, cipherlen))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_CTX_set_seq(rctx, 0))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_open(rctx, clear, &clearlen, NULL, 0, |
| cipher, cipherlen))) |
| goto end; |
| if (!TEST_mem_eq(plain, plainlen, clear, clearlen)) |
| goto end; |
| erv = 1; |
| end: |
| OSSL_HPKE_CTX_free(ctx); |
| OSSL_HPKE_CTX_free(rctx); |
| EVP_PKEY_free(privp); |
| return erv; |
| } |
| |
| #ifndef OPENSSL_NO_ECX |
| /* from RFC 9180 Appendix A.1.1 */ |
| static const unsigned char ikm25519[] = { |
| 0x72, 0x68, 0x60, 0x0d, 0x40, 0x3f, 0xce, 0x43, |
| 0x15, 0x61, 0xae, 0xf5, 0x83, 0xee, 0x16, 0x13, |
| 0x52, 0x7c, 0xff, 0x65, 0x5c, 0x13, 0x43, 0xf2, |
| 0x98, 0x12, 0xe6, 0x67, 0x06, 0xdf, 0x32, 0x34 |
| }; |
| static const unsigned char pub25519[] = { |
| 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 |
| }; |
| #endif |
| |
| /* from RFC9180 Appendix A.3.1 */ |
| static const unsigned char ikmp256[] = { |
| 0x42, 0x70, 0xe5, 0x4f, 0xfd, 0x08, 0xd7, 0x9d, |
| 0x59, 0x28, 0x02, 0x0a, 0xf4, 0x68, 0x6d, 0x8f, |
| 0x6b, 0x7d, 0x35, 0xdb, 0xe4, 0x70, 0x26, 0x5f, |
| 0x1f, 0x5a, 0xa2, 0x28, 0x16, 0xce, 0x86, 0x0e |
| }; |
| static const unsigned char pubp256[] = { |
| 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 |
| }; |
| |
| /* |
| * A test vector that exercises the counter iteration |
| * for p256. This was contributed by Ilari L. on the |
| * CFRG list, see the mail archive: |
| * https://mailarchive.ietf.org/arch/msg/cfrg/4zwl_y5YN6OU9oeWZOMHNOlOa2w/ |
| */ |
| static const unsigned char ikmiter[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x03, 0x01, 0x38, 0xb5, 0xec |
| }; |
| static const unsigned char pubiter[] = { |
| 0x04, 0x7d, 0x0c, 0x87, 0xff, 0xd5, 0xd1, 0x45, |
| 0x54, 0xa7, 0x51, 0xdf, 0xa3, 0x99, 0x26, 0xa9, |
| 0xe3, 0x0e, 0x7c, 0x3c, 0x65, 0x62, 0x4f, 0x4b, |
| 0x5f, 0xb3, 0xad, 0x7a, 0xa4, 0xda, 0xc2, 0x4a, |
| 0xd8, 0xf5, 0xbe, 0xd0, 0xe8, 0x6e, 0xb8, 0x84, |
| 0x1c, 0xe4, 0x89, 0x2e, 0x0f, 0xc3, 0x87, 0xbb, |
| 0xdb, 0xfe, 0x16, 0x0d, 0x58, 0x9c, 0x89, 0x2d, |
| 0xd4, 0xb1, 0x46, 0x4a, 0xc3, 0x51, 0xc5, 0x6f, |
| 0xb6 |
| }; |
| |
| /* from RFC9180 Appendix A.6.1 */ |
| static const unsigned char ikmp521[] = { |
| 0x7f, 0x06, 0xab, 0x82, 0x15, 0x10, 0x5f, 0xc4, |
| 0x6a, 0xce, 0xeb, 0x2e, 0x3d, 0xc5, 0x02, 0x8b, |
| 0x44, 0x36, 0x4f, 0x96, 0x04, 0x26, 0xeb, 0x0d, |
| 0x8e, 0x40, 0x26, 0xc2, 0xf8, 0xb5, 0xd7, 0xe7, |
| 0xa9, 0x86, 0x68, 0x8f, 0x15, 0x91, 0xab, 0xf5, |
| 0xab, 0x75, 0x3c, 0x35, 0x7a, 0x5d, 0x6f, 0x04, |
| 0x40, 0x41, 0x4b, 0x4e, 0xd4, 0xed, 0xe7, 0x13, |
| 0x17, 0x77, 0x2a, 0xc9, 0x8d, 0x92, 0x39, 0xf7, |
| 0x09, 0x04 |
| }; |
| static const unsigned char pubp521[] = { |
| 0x04, 0x01, 0x38, 0xb3, 0x85, 0xca, 0x16, 0xbb, |
| 0x0d, 0x5f, 0xa0, 0xc0, 0x66, 0x5f, 0xbb, 0xd7, |
| 0xe6, 0x9e, 0x3e, 0xe2, 0x9f, 0x63, 0x99, 0x1d, |
| 0x3e, 0x9b, 0x5f, 0xa7, 0x40, 0xaa, 0xb8, 0x90, |
| 0x0a, 0xae, 0xed, 0x46, 0xed, 0x73, 0xa4, 0x90, |
| 0x55, 0x75, 0x84, 0x25, 0xa0, 0xce, 0x36, 0x50, |
| 0x7c, 0x54, 0xb2, 0x9c, 0xc5, 0xb8, 0x5a, 0x5c, |
| 0xee, 0x6b, 0xae, 0x0c, 0xf1, 0xc2, 0x1f, 0x27, |
| 0x31, 0xec, 0xe2, 0x01, 0x3d, 0xc3, 0xfb, 0x7c, |
| 0x8d, 0x21, 0x65, 0x4b, 0xb1, 0x61, 0xb4, 0x63, |
| 0x96, 0x2c, 0xa1, 0x9e, 0x8c, 0x65, 0x4f, 0xf2, |
| 0x4c, 0x94, 0xdd, 0x28, 0x98, 0xde, 0x12, 0x05, |
| 0x1f, 0x1e, 0xd0, 0x69, 0x22, 0x37, 0xfb, 0x02, |
| 0xb2, 0xf8, 0xd1, 0xdc, 0x1c, 0x73, 0xe9, 0xb3, |
| 0x66, 0xb5, 0x29, 0xeb, 0x43, 0x6e, 0x98, 0xa9, |
| 0x96, 0xee, 0x52, 0x2a, 0xef, 0x86, 0x3d, 0xd5, |
| 0x73, 0x9d, 0x2f, 0x29, 0xb0 |
| }; |
| |
| static int test_hpke_random_suites(void) |
| { |
| OSSL_HPKE_SUITE def_suite = OSSL_HPKE_SUITE_DEFAULT; |
| OSSL_HPKE_SUITE suite = OSSL_HPKE_SUITE_DEFAULT; |
| OSSL_HPKE_SUITE suite2 = { 0xff01, 0xff02, 0xff03 }; |
| unsigned char enc[200]; |
| size_t enclen = sizeof(enc); |
| unsigned char ct[500]; |
| size_t ctlen = sizeof(ct); |
| |
| /* test with NULL/0 inputs */ |
| if (!TEST_false(OSSL_HPKE_get_grease_value(NULL, NULL, |
| NULL, NULL, NULL, 0, |
| testctx, NULL))) |
| return 0; |
| enclen = 10; |
| if (!TEST_false(OSSL_HPKE_get_grease_value(&def_suite, &suite2, |
| enc, &enclen, ct, ctlen, |
| testctx, NULL))) |
| return 0; |
| |
| enclen = sizeof(enc); /* reset, 'cause get_grease() will have set */ |
| /* test with a should-be-good suite */ |
| if (!TEST_true(OSSL_HPKE_get_grease_value(&def_suite, &suite2, |
| enc, &enclen, ct, ctlen, |
| testctx, NULL))) |
| return 0; |
| /* no suggested suite */ |
| enclen = sizeof(enc); /* reset, 'cause get_grease() will have set */ |
| if (!TEST_true(OSSL_HPKE_get_grease_value(NULL, &suite2, |
| enc, &enclen, |
| ct, ctlen, |
| testctx, NULL))) |
| return 0; |
| /* suggested suite with P-521, just to be sure we hit long values */ |
| enclen = sizeof(enc); /* reset, 'cause get_grease() will have set */ |
| suite.kem_id = OSSL_HPKE_KEM_ID_P521; |
| if (!TEST_true(OSSL_HPKE_get_grease_value(&suite, &suite2, |
| enc, &enclen, ct, ctlen, |
| testctx, NULL))) |
| return 0; |
| enclen = sizeof(enc); |
| ctlen = 2; /* too-short cttext (can't fit an aead tag) */ |
| if (!TEST_false(OSSL_HPKE_get_grease_value(NULL, &suite2, |
| enc, &enclen, ct, ctlen, |
| testctx, NULL))) |
| return 0; |
| |
| ctlen = sizeof(ct); |
| enclen = sizeof(enc); |
| |
| suite.kem_id = OSSL_HPKE_KEM_ID_X25519; /* back to default */ |
| suite.aead_id = 0x1234; /* bad aead */ |
| if (!TEST_false(OSSL_HPKE_get_grease_value(&suite, &suite2, |
| enc, &enclen, ct, ctlen, |
| testctx, NULL))) |
| return 0; |
| enclen = sizeof(enc); |
| suite.aead_id = def_suite.aead_id; /* good aead */ |
| suite.kdf_id = 0x3451; /* bad kdf */ |
| if (!TEST_false(OSSL_HPKE_get_grease_value(&suite, &suite2, |
| enc, &enclen, ct, ctlen, |
| testctx, NULL))) |
| return 0; |
| enclen = sizeof(enc); |
| suite.kdf_id = def_suite.kdf_id; /* good kdf */ |
| suite.kem_id = 0x4517; /* bad kem */ |
| if (!TEST_false(OSSL_HPKE_get_grease_value(&suite, &suite2, |
| enc, &enclen, ct, ctlen, |
| testctx, NULL))) |
| return 0; |
| return 1; |
| } |
| |
| /* |
| * @brief generate a key pair from initial key material (ikm) and check public |
| * @param kem_id the KEM to use (RFC9180 code point) |
| * @ikm is the initial key material buffer |
| * @ikmlen is the length of ikm |
| * @pub is the public key buffer |
| * @publen is the length of the public key |
| * @return 1 for good, other otherwise |
| * |
| * This calls OSSL_HPKE_keygen specifying only the IKM, then |
| * compares the key pair values with the already-known values |
| * that were input. |
| */ |
| static int test_hpke_one_ikm_gen(uint16_t kem_id, |
| const unsigned char *ikm, size_t ikmlen, |
| const unsigned char *pub, size_t publen) |
| { |
| OSSL_HPKE_SUITE hpke_suite = OSSL_HPKE_SUITE_DEFAULT; |
| unsigned char lpub[OSSL_HPKE_TSTSIZE]; |
| size_t lpublen = OSSL_HPKE_TSTSIZE; |
| EVP_PKEY *sk = NULL; |
| |
| hpke_suite.kem_id = kem_id; |
| if (!TEST_true(OSSL_HPKE_keygen(hpke_suite, lpub, &lpublen, &sk, |
| ikm, ikmlen, testctx, NULL))) |
| return 0; |
| if (!TEST_ptr(sk)) |
| return 0; |
| EVP_PKEY_free(sk); |
| if (!TEST_mem_eq(pub, publen, lpub, lpublen)) |
| return 0; |
| return 1; |
| } |
| |
| /* |
| * @brief test some uses of IKM produce the expected public keys |
| */ |
| static int test_hpke_ikms(void) |
| { |
| int res = 1; |
| |
| #ifndef OPENSSL_NO_ECX |
| res = test_hpke_one_ikm_gen(OSSL_HPKE_KEM_ID_X25519, |
| ikm25519, sizeof(ikm25519), |
| pub25519, sizeof(pub25519)); |
| if (res != 1) |
| return res; |
| #endif |
| |
| res = test_hpke_one_ikm_gen(OSSL_HPKE_KEM_ID_P521, |
| ikmp521, sizeof(ikmp521), |
| pubp521, sizeof(pubp521)); |
| if (res != 1) |
| return res; |
| |
| res = test_hpke_one_ikm_gen(OSSL_HPKE_KEM_ID_P256, |
| ikmp256, sizeof(ikmp256), |
| pubp256, sizeof(pubp256)); |
| if (res != 1) |
| return res; |
| |
| res = test_hpke_one_ikm_gen(OSSL_HPKE_KEM_ID_P256, |
| ikmiter, sizeof(ikmiter), |
| pubiter, sizeof(pubiter)); |
| if (res != 1) |
| return res; |
| |
| return res; |
| } |
| |
| /* |
| * Test that use of a compressed format auth public key works |
| * We'll do a typical round-trip for auth mode but provide the |
| * auth public key in compressed form. That should work. |
| */ |
| static int test_hpke_compressed(void) |
| { |
| int erv = 0; |
| EVP_PKEY *privp = NULL; |
| unsigned char pub[OSSL_HPKE_TSTSIZE]; |
| size_t publen = sizeof(pub); |
| EVP_PKEY *authpriv = NULL; |
| unsigned char authpub[OSSL_HPKE_TSTSIZE]; |
| size_t authpublen = sizeof(authpub); |
| int hpke_mode = OSSL_HPKE_MODE_AUTH; |
| OSSL_HPKE_SUITE hpke_suite = OSSL_HPKE_SUITE_DEFAULT; |
| OSSL_HPKE_CTX *ctx = NULL; |
| OSSL_HPKE_CTX *rctx = NULL; |
| unsigned char plain[] = "quick brown fox"; |
| size_t plainlen = sizeof(plain); |
| unsigned char enc[OSSL_HPKE_TSTSIZE]; |
| size_t enclen = sizeof(enc); |
| unsigned char cipher[OSSL_HPKE_TSTSIZE]; |
| size_t cipherlen = sizeof(cipher); |
| unsigned char clear[OSSL_HPKE_TSTSIZE]; |
| size_t clearlen = sizeof(clear); |
| |
| hpke_suite.kem_id = OSSL_HPKE_KEM_ID_P256; |
| |
| /* generate auth key pair */ |
| if (!TEST_true(OSSL_HPKE_keygen(hpke_suite, authpub, &authpublen, &authpriv, |
| NULL, 0, testctx, NULL))) |
| goto end; |
| /* now get the compressed form public key */ |
| if (!TEST_true(EVP_PKEY_set_utf8_string_param(authpriv, |
| OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, |
| OSSL_PKEY_EC_POINT_CONVERSION_FORMAT_COMPRESSED))) |
| goto end; |
| if (!TEST_true(EVP_PKEY_get_octet_string_param(authpriv, |
| OSSL_PKEY_PARAM_PUB_KEY, |
| authpub, |
| sizeof(authpub), |
| &authpublen))) |
| goto end; |
| |
| /* sender side as usual */ |
| if (!TEST_true(OSSL_HPKE_keygen(hpke_suite, pub, &publen, &privp, |
| NULL, 0, testctx, NULL))) |
| goto end; |
| if (!TEST_ptr(ctx = OSSL_HPKE_CTX_new(hpke_mode, hpke_suite, |
| OSSL_HPKE_ROLE_SENDER, |
| testctx, NULL))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_CTX_set1_authpriv(ctx, authpriv))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_encap(ctx, enc, &enclen, pub, publen, NULL, 0))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_seal(ctx, cipher, &cipherlen, NULL, 0, |
| plain, plainlen))) |
| goto end; |
| |
| /* receiver side providing compressed form of auth public */ |
| if (!TEST_ptr(rctx = OSSL_HPKE_CTX_new(hpke_mode, hpke_suite, |
| OSSL_HPKE_ROLE_RECEIVER, |
| testctx, NULL))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_CTX_set1_authpub(rctx, authpub, authpublen))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_decap(rctx, enc, enclen, privp, NULL, 0))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_open(rctx, clear, &clearlen, NULL, 0, |
| cipher, cipherlen))) |
| goto end; |
| erv = 1; |
| |
| end: |
| EVP_PKEY_free(privp); |
| EVP_PKEY_free(authpriv); |
| OSSL_HPKE_CTX_free(ctx); |
| OSSL_HPKE_CTX_free(rctx); |
| return erv; |
| } |
| |
| /* |
| * Test that nonce reuse calls are prevented as we expect |
| */ |
| static int test_hpke_noncereuse(void) |
| { |
| int erv = 0; |
| EVP_PKEY *privp = NULL; |
| unsigned char pub[OSSL_HPKE_TSTSIZE]; |
| size_t publen = sizeof(pub); |
| int hpke_mode = OSSL_HPKE_MODE_BASE; |
| OSSL_HPKE_SUITE hpke_suite = OSSL_HPKE_SUITE_DEFAULT; |
| OSSL_HPKE_CTX *ctx = NULL; |
| OSSL_HPKE_CTX *rctx = NULL; |
| unsigned char plain[] = "quick brown fox"; |
| size_t plainlen = sizeof(plain); |
| unsigned char enc[OSSL_HPKE_TSTSIZE]; |
| size_t enclen = sizeof(enc); |
| unsigned char cipher[OSSL_HPKE_TSTSIZE]; |
| size_t cipherlen = sizeof(cipher); |
| unsigned char clear[OSSL_HPKE_TSTSIZE]; |
| size_t clearlen = sizeof(clear); |
| uint64_t seq = 0xbad1dea; |
| |
| /* sender side is not allowed set seq once some crypto done */ |
| if (!TEST_true(OSSL_HPKE_keygen(hpke_suite, pub, &publen, &privp, |
| NULL, 0, testctx, NULL))) |
| goto end; |
| if (!TEST_ptr(ctx = OSSL_HPKE_CTX_new(hpke_mode, hpke_suite, |
| OSSL_HPKE_ROLE_SENDER, |
| testctx, NULL))) |
| goto end; |
| /* set seq will fail before any crypto done */ |
| if (!TEST_false(OSSL_HPKE_CTX_set_seq(ctx, seq))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_encap(ctx, enc, &enclen, pub, publen, NULL, 0))) |
| goto end; |
| /* set seq will also fail after some crypto done */ |
| if (!TEST_false(OSSL_HPKE_CTX_set_seq(ctx, seq + 1))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_seal(ctx, cipher, &cipherlen, NULL, 0, |
| plain, plainlen))) |
| goto end; |
| |
| /* receiver side is allowed control seq */ |
| if (!TEST_ptr(rctx = OSSL_HPKE_CTX_new(hpke_mode, hpke_suite, |
| OSSL_HPKE_ROLE_RECEIVER, |
| testctx, NULL))) |
| goto end; |
| /* set seq will work before any crypto done */ |
| if (!TEST_true(OSSL_HPKE_CTX_set_seq(rctx, seq))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_decap(rctx, enc, enclen, privp, NULL, 0))) |
| goto end; |
| /* set seq will work for receivers even after crypto done */ |
| if (!TEST_true(OSSL_HPKE_CTX_set_seq(rctx, seq))) |
| goto end; |
| /* but that value isn't good so decap will fail */ |
| if (!TEST_false(OSSL_HPKE_open(rctx, clear, &clearlen, NULL, 0, |
| cipher, cipherlen))) |
| goto end; |
| /* reset seq to correct value and _open() should work */ |
| if (!TEST_true(OSSL_HPKE_CTX_set_seq(rctx, 0))) |
| goto end; |
| if (!TEST_true(OSSL_HPKE_open(rctx, clear, &clearlen, NULL, 0, |
| cipher, cipherlen))) |
| goto end; |
| erv = 1; |
| |
| end: |
| EVP_PKEY_free(privp); |
| OSSL_HPKE_CTX_free(ctx); |
| OSSL_HPKE_CTX_free(rctx); |
| return erv; |
| } |
| |
| typedef enum OPTION_choice { |
| OPT_ERR = -1, |
| OPT_EOF = 0, |
| OPT_VERBOSE, |
| OPT_TEST_ENUM |
| } OPTION_CHOICE; |
| |
| const OPTIONS *test_get_options(void) |
| { |
| static const OPTIONS test_options[] = { |
| OPT_TEST_OPTIONS_DEFAULT_USAGE, |
| { "v", OPT_VERBOSE, '-', "Enable verbose mode" }, |
| { OPT_HELP_STR, 1, '-', "Run HPKE tests\n" }, |
| { NULL } |
| }; |
| return test_options; |
| } |
| |
| int setup_tests(void) |
| { |
| OPTION_CHOICE o; |
| |
| while ((o = opt_next()) != OPT_EOF) { |
| switch (o) { |
| case OPT_VERBOSE: |
| verbose = 1; /* Print progress dots */ |
| break; |
| case OPT_TEST_CASES: |
| break; |
| default: |
| return 0; |
| } |
| } |
| |
| if (!test_get_libctx(&testctx, &nullprov, NULL, &deflprov, "default")) |
| return 0; |
| #ifndef OPENSSL_NO_ECX |
| ADD_TEST(export_only_test); |
| ADD_TEST(x25519kdfsha256_hkdfsha256_aes128gcm_base_test); |
| ADD_TEST(x25519kdfsha256_hkdfsha256_aes128gcm_psk_test); |
| #endif |
| ADD_TEST(P256kdfsha256_hkdfsha256_aes128gcm_base_test); |
| ADD_TEST(test_hpke_export); |
| ADD_TEST(test_hpke_modes_suites); |
| ADD_TEST(test_hpke_suite_strs); |
| ADD_TEST(test_hpke_grease); |
| ADD_TEST(test_hpke_ikms); |
| ADD_TEST(test_hpke_random_suites); |
| ADD_TEST(test_hpke_oddcalls); |
| ADD_TEST(test_hpke_compressed); |
| ADD_TEST(test_hpke_noncereuse); |
| return 1; |
| } |
| |
| void cleanup_tests(void) |
| { |
| OSSL_PROVIDER_unload(deflprov); |
| OSSL_PROVIDER_unload(nullprov); |
| OSSL_LIB_CTX_free(testctx); |
| } |
