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/*
* Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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_PKEY_CTX_set_* macro family */
#include <stdio.h>
#include <string.h>
#include <openssl/evp.h>
#include <openssl/kdf.h>
#include "testutil.h"
static int test_kdf_tls1_prf(void)
{
EVP_PKEY_CTX *pctx;
unsigned char out[16];
size_t outlen = sizeof(out);
pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_TLS1_PRF, NULL);
if (EVP_PKEY_derive_init(pctx) <= 0) {
TEST_error("EVP_PKEY_derive_init");
return 0;
}
if (EVP_PKEY_CTX_set_tls1_prf_md(pctx, EVP_sha256()) <= 0) {
TEST_error("EVP_PKEY_CTX_set_tls1_prf_md");
return 0;
}
if (EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, "secret", 6) <= 0) {
TEST_error("EVP_PKEY_CTX_set1_tls1_prf_secret");
return 0;
}
if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, "seed", 4) <= 0) {
TEST_error("EVP_PKEY_CTX_add1_tls1_prf_seed");
return 0;
}
if (EVP_PKEY_derive(pctx, out, &outlen) <= 0) {
TEST_error("EVP_PKEY_derive");
return 0;
}
{
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))) {
return 0;
}
}
EVP_PKEY_CTX_free(pctx);
return 1;
}
static int test_kdf_hkdf(void)
{
EVP_PKEY_CTX *pctx;
unsigned char out[10];
size_t outlen = sizeof(out);
pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL);
if (EVP_PKEY_derive_init(pctx) <= 0) {
TEST_error("EVP_PKEY_derive_init");
return 0;
}
if (EVP_PKEY_CTX_set_hkdf_md(pctx, EVP_sha256()) <= 0) {
TEST_error("EVP_PKEY_CTX_set_hkdf_md");
return 0;
}
if (EVP_PKEY_CTX_set1_hkdf_salt(pctx, "salt", 4) <= 0) {
TEST_error("EVP_PKEY_CTX_set1_hkdf_salt");
return 0;
}
if (EVP_PKEY_CTX_set1_hkdf_key(pctx, "secret", 6) <= 0) {
TEST_error("EVP_PKEY_CTX_set1_hkdf_key");
return 0;
}
if (EVP_PKEY_CTX_add1_hkdf_info(pctx, "label", 5) <= 0) {
TEST_error("EVP_PKEY_CTX_set1_hkdf_info");
return 0;
}
if (EVP_PKEY_derive(pctx, out, &outlen) <= 0) {
TEST_error("EVP_PKEY_derive");
return 0;
}
{
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))) {
return 0;
}
}
EVP_PKEY_CTX_free(pctx);
return 1;
}
#ifndef OPENSSL_NO_SCRYPT
static int test_kdf_scrypt(void)
{
EVP_PKEY_CTX *pctx;
unsigned char out[64];
size_t outlen = sizeof(out);
pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_SCRYPT, NULL);
if (EVP_PKEY_derive_init(pctx) <= 0) {
TEST_error("EVP_PKEY_derive_init");
return 0;
}
if (EVP_PKEY_CTX_set1_pbe_pass(pctx, "password", 8) <= 0) {
TEST_error("EVP_PKEY_CTX_set1_pbe_pass");
return 0;
}
if (EVP_PKEY_CTX_set1_scrypt_salt(pctx, "NaCl", 4) <= 0) {
TEST_error("EVP_PKEY_CTX_set1_scrypt_salt");
return 0;
}
if (EVP_PKEY_CTX_set_scrypt_N(pctx, 1024) <= 0) {
TEST_error("EVP_PKEY_CTX_set_scrypt_N");
return 0;
}
if (EVP_PKEY_CTX_set_scrypt_r(pctx, 8) <= 0) {
TEST_error("EVP_PKEY_CTX_set_scrypt_r");
return 0;
}
if (EVP_PKEY_CTX_set_scrypt_p(pctx, 16) <= 0) {
TEST_error("EVP_PKEY_CTX_set_scrypt_p");
return 0;
}
if (EVP_PKEY_CTX_set_scrypt_maxmem_bytes(pctx, 16) <= 0) {
TEST_error("EVP_PKEY_CTX_set_maxmem_bytes");
return 0;
}
if (EVP_PKEY_derive(pctx, out, &outlen) > 0) {
TEST_error("EVP_PKEY_derive should have failed");
return 0;
}
if (EVP_PKEY_CTX_set_scrypt_maxmem_bytes(pctx, 10 * 1024 * 1024) <= 0) {
TEST_error("EVP_PKEY_CTX_set_maxmem_bytes");
return 0;
}
if (EVP_PKEY_derive(pctx, out, &outlen) <= 0) {
TEST_error("EVP_PKEY_derive");
return 0;
}
{
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))) {
return 0;
}
}
EVP_PKEY_CTX_free(pctx);
return 1;
}
#endif
int setup_tests(void)
{
ADD_TEST(test_kdf_tls1_prf);
ADD_TEST(test_kdf_hkdf);
#ifndef OPENSSL_NO_SCRYPT
ADD_TEST(test_kdf_scrypt);
#endif
return 1;
}
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