/* * Copyright 2018-2019 The OpenSSL Project Authors. All Rights Reserved. * Copyright (c) 2018-2019, Oracle and/or its affiliates. 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 */ /* Tests of the EVP_KDF_CTX APIs */ #include <stdio.h> #include <string.h> #include <openssl/evp.h> #include <openssl/kdf.h> #include "testutil.h" static int test_kdf_tls1_prf(void) { int ret = 0; EVP_KDF_CTX *kctx; unsigned char out[16]; if ((kctx = EVP_KDF_CTX_new_id(EVP_KDF_TLS1_PRF)) == NULL) { TEST_error("EVP_KDF_TLS1_PRF"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha256()) <= 0) { TEST_error("EVP_KDF_CTRL_SET_MD"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_TLS_SECRET, "secret", (size_t)6) <= 0) { TEST_error("EVP_KDF_CTRL_SET_TLS_SECRET"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_ADD_TLS_SEED, "seed", (size_t)4) <= 0) { TEST_error("EVP_KDF_CTRL_ADD_TLS_SEED"); goto err; } if (EVP_KDF_derive(kctx, out, sizeof(out)) <= 0) { TEST_error("EVP_KDF_derive"); goto err; } { const unsigned char expected[sizeof(out)] = { 0x8e, 0x4d, 0x93, 0x25, 0x30, 0xd7, 0x65, 0xa0, 0xaa, 0xe9, 0x74, 0xc3, 0x04, 0x73, 0x5e, 0xcc }; if (!TEST_mem_eq(out, sizeof(out), expected, sizeof(expected))) { goto err; } } ret = 1; err: EVP_KDF_CTX_free(kctx); return ret; } static int test_kdf_hkdf(void) { int ret = 0; EVP_KDF_CTX *kctx; unsigned char out[10]; if ((kctx = EVP_KDF_CTX_new_id(EVP_KDF_HKDF)) == NULL) { TEST_error("EVP_KDF_HKDF"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha256()) <= 0) { TEST_error("EVP_KDF_CTRL_SET_MD"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SALT, "salt", (size_t)4) <= 0) { TEST_error("EVP_KDF_CTRL_SET_SALT"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KEY, "secret", (size_t)6) <= 0) { TEST_error("EVP_KDF_CTRL_SET_KEY"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_ADD_HKDF_INFO, "label", (size_t)5) <= 0) { TEST_error("EVP_KDF_CTRL_ADD_HKDF_INFO"); goto err; } if (EVP_KDF_derive(kctx, out, sizeof(out)) <= 0) { TEST_error("EVP_KDF_derive"); goto err; } { const unsigned char expected[sizeof(out)] = { 0x2a, 0xc4, 0x36, 0x9f, 0x52, 0x59, 0x96, 0xf8, 0xde, 0x13 }; if (!TEST_mem_eq(out, sizeof(out), expected, sizeof(expected))) { goto err; } } ret = 1; err: EVP_KDF_CTX_free(kctx); return ret; } static int test_kdf_pbkdf2(void) { int ret = 0; EVP_KDF_CTX *kctx; unsigned char out[32]; if ((kctx = EVP_KDF_CTX_new_id(EVP_KDF_PBKDF2)) == NULL) { TEST_error("EVP_KDF_PBKDF2"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_PASS, "password", (size_t)8) <= 0) { TEST_error("EVP_KDF_CTRL_SET_PASS"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SALT, "salt", (size_t)4) <= 0) { TEST_error("EVP_KDF_CTRL_SET_SALT"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_ITER, 2) <= 0) { TEST_error("EVP_KDF_CTRL_SET_ITER"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha256()) <= 0) { TEST_error("EVP_KDF_CTRL_SET_MD"); goto err; } if (EVP_KDF_derive(kctx, out, sizeof(out)) <= 0) { TEST_error("EVP_KDF_derive"); goto err; } { const unsigned char expected[sizeof(out)] = { 0xae, 0x4d, 0x0c, 0x95, 0xaf, 0x6b, 0x46, 0xd3, 0x2d, 0x0a, 0xdf, 0xf9, 0x28, 0xf0, 0x6d, 0xd0, 0x2a, 0x30, 0x3f, 0x8e, 0xf3, 0xc2, 0x51, 0xdf, 0xd6, 0xe2, 0xd8, 0x5a, 0x95, 0x47, 0x4c, 0x43 }; if (!TEST_mem_eq(out, sizeof(out), expected, sizeof(expected))) { goto err; } } ret = 1; err: EVP_KDF_CTX_free(kctx); return ret; } #ifndef OPENSSL_NO_SCRYPT static int test_kdf_scrypt(void) { int ret = 0; EVP_KDF_CTX *kctx; unsigned char out[64]; if ((kctx = EVP_KDF_CTX_new_id(EVP_KDF_SCRYPT)) == NULL) { TEST_error("EVP_KDF_SCRYPT"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_PASS, "password", (size_t)8) <= 0) { TEST_error("EVP_KDF_CTRL_SET_PASS"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SALT, "NaCl", (size_t)4) <= 0) { TEST_error("EVP_KDF_CTRL_SET_SALT"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SCRYPT_N, (uint64_t)1024) <= 0) { TEST_error("EVP_KDF_CTRL_SET_SCRYPT_N"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SCRYPT_R, (uint32_t)8) <= 0) { TEST_error("EVP_KDF_CTRL_SET_SCRYPT_R"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SCRYPT_P, (uint32_t)16) <= 0) { TEST_error("EVP_KDF_CTRL_SET_SCRYPT_P"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MAXMEM_BYTES, (uint64_t)16) <= 0) { TEST_error("EVP_KDF_CTRL_SET_MAXMEM_BYTES"); goto err; } if (EVP_KDF_derive(kctx, out, sizeof(out)) > 0) { TEST_error("EVP_KDF_derive should have failed"); goto err; } if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MAXMEM_BYTES, (uint64_t)(10 * 1024 * 1024)) <= 0) { TEST_error("EVP_KDF_CTRL_SET_MAXMEM_BYTES"); goto err; } if (EVP_KDF_derive(kctx, out, sizeof(out)) <= 0) { TEST_error("EVP_KDF_derive"); goto err; } { const unsigned char expected[sizeof(out)] = { 0xfd, 0xba, 0xbe, 0x1c, 0x9d, 0x34, 0x72, 0x00, 0x78, 0x56, 0xe7, 0x19, 0x0d, 0x01, 0xe9, 0xfe, 0x7c, 0x6a, 0xd7, 0xcb, 0xc8, 0x23, 0x78, 0x30, 0xe7, 0x73, 0x76, 0x63, 0x4b, 0x37, 0x31, 0x62, 0x2e, 0xaf, 0x30, 0xd9, 0x2e, 0x22, 0xa3, 0x88, 0x6f, 0xf1, 0x09, 0x27, 0x9d, 0x98, 0x30, 0xda, 0xc7, 0x27, 0xaf, 0xb9, 0x4a, 0x83, 0xee, 0x6d, 0x83, 0x60, 0xcb, 0xdf, 0xa2, 0xcc, 0x06, 0x40 }; if (!TEST_mem_eq(out, sizeof(out), expected, sizeof(expected))) { goto err; } } ret = 1; err: EVP_KDF_CTX_free(kctx); return ret; } #endif int setup_tests(void) { ADD_TEST(test_kdf_tls1_prf); ADD_TEST(test_kdf_hkdf); ADD_TEST(test_kdf_pbkdf2); #ifndef OPENSSL_NO_SCRYPT ADD_TEST(test_kdf_scrypt); #endif return 1; }