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evp_kdf_test.c
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/*
* Copyright 2018-2023 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2018-2020, 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 <openssl/core_names.h>
#include "internal/numbers.h"
#include "testutil.h"
static EVP_KDF_CTX *get_kdfbyname_libctx(OSSL_LIB_CTX *libctx, const char *name)
{
EVP_KDF *kdf = EVP_KDF_fetch(libctx, name, NULL);
EVP_KDF_CTX *kctx = EVP_KDF_CTX_new(kdf);
EVP_KDF_free(kdf);
return kctx;
}
static EVP_KDF_CTX *get_kdfbyname(const char *name)
{
return get_kdfbyname_libctx(NULL, name);
}
static OSSL_PARAM *construct_tls1_prf_params(const char *digest, const char *secret,
const char *seed)
{
OSSL_PARAM *params = OPENSSL_malloc(sizeof(OSSL_PARAM) * 4);
OSSL_PARAM *p = params;
if (params == NULL)
return NULL;
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
(char *)digest, 0);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SECRET,
(unsigned char *)secret,
strlen(secret));
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
(unsigned char *)seed,
strlen(seed));
*p = OSSL_PARAM_construct_end();
return params;
}
static int test_kdf_tls1_prf(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[16];
OSSL_PARAM *params;
static const unsigned char expected[sizeof(out)] = {
0x8e, 0x4d, 0x93, 0x25, 0x30, 0xd7, 0x65, 0xa0,
0xaa, 0xe9, 0x74, 0xc3, 0x04, 0x73, 0x5e, 0xcc
};
params = construct_tls1_prf_params("sha256", "secret", "seed");
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_TLS1_PRF))
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), params), 0)
&& TEST_mem_eq(out, sizeof(out), expected, sizeof(expected));
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_tls1_prf_invalid_digest(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
OSSL_PARAM *params;
params = construct_tls1_prf_params("blah", "secret", "seed");
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_TLS1_PRF))
&& TEST_false(EVP_KDF_CTX_set_params(kctx, params));
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_tls1_prf_zero_output_size(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[16];
OSSL_PARAM *params;
params = construct_tls1_prf_params("sha256", "secret", "seed");
/* Negative test - derive should fail */
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_TLS1_PRF))
&& TEST_true(EVP_KDF_CTX_set_params(kctx, params))
&& TEST_int_eq(EVP_KDF_derive(kctx, out, 0, NULL), 0);
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_tls1_prf_empty_secret(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[16];
OSSL_PARAM *params;
params = construct_tls1_prf_params("sha256", "", "seed");
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_TLS1_PRF))
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), params), 0);
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_tls1_prf_1byte_secret(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[16];
OSSL_PARAM *params;
params = construct_tls1_prf_params("sha256", "1", "seed");
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_TLS1_PRF))
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), params), 0);
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_tls1_prf_empty_seed(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[16];
OSSL_PARAM *params;
params = construct_tls1_prf_params("sha256", "secret", "");
/* Negative test - derive should fail */
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_TLS1_PRF))
&& TEST_true(EVP_KDF_CTX_set_params(kctx, params))
&& TEST_int_eq(EVP_KDF_derive(kctx, out, sizeof(out), NULL), 0);
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_tls1_prf_1byte_seed(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[16];
OSSL_PARAM *params;
params = construct_tls1_prf_params("sha256", "secret", "1");
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_TLS1_PRF))
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), params), 0);
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static OSSL_PARAM *construct_hkdf_params(char *digest, char *key,
size_t keylen, char *salt, char *info)
{
OSSL_PARAM *params = OPENSSL_malloc(sizeof(OSSL_PARAM) * 5);
OSSL_PARAM *p = params;
if (params == NULL)
return NULL;
if (digest != NULL)
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
digest, 0);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SALT,
salt, strlen(salt));
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_KEY,
(unsigned char *)key, keylen);
if (info != NULL)
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_INFO,
info, strlen(info));
else
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_MODE,
"EXTRACT_ONLY", 0);
*p = OSSL_PARAM_construct_end();
return params;
}
static int test_kdf_hkdf(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[10];
OSSL_PARAM *params;
static const unsigned char expected[sizeof(out)] = {
0x2a, 0xc4, 0x36, 0x9f, 0x52, 0x59, 0x96, 0xf8, 0xde, 0x13
};
params = construct_hkdf_params("sha256", "secret", 6, "salt", "label");
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_HKDF))
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), params), 0)
&& TEST_mem_eq(out, sizeof(out), expected, sizeof(expected));
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int do_kdf_hkdf_gettables(int expand_only, int has_digest)
{
int ret = 0;
size_t sz = 0;
OSSL_PARAM *params;
OSSL_PARAM params_get[2];
const OSSL_PARAM *gettables, *p;
EVP_KDF_CTX *kctx = NULL;
if (!TEST_ptr(params = construct_hkdf_params(
has_digest ? "sha256" : NULL,
"secret", 6, "salt",
expand_only ? NULL : "label"))
|| !TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_HKDF))
|| !TEST_true(EVP_KDF_CTX_set_params(kctx, params)))
goto err;
/* Check OSSL_KDF_PARAM_SIZE is gettable */
if (!TEST_ptr(gettables = EVP_KDF_CTX_gettable_params(kctx))
|| !TEST_ptr(p = OSSL_PARAM_locate_const(gettables, OSSL_KDF_PARAM_SIZE)))
goto err;
/* Get OSSL_KDF_PARAM_SIZE as a size_t */
params_get[0] = OSSL_PARAM_construct_size_t(OSSL_KDF_PARAM_SIZE, &sz);
params_get[1] = OSSL_PARAM_construct_end();
if (has_digest) {
if (!TEST_int_eq(EVP_KDF_CTX_get_params(kctx, params_get), 1)
|| !TEST_size_t_eq(sz, expand_only ? SHA256_DIGEST_LENGTH : SIZE_MAX))
goto err;
} else {
if (!TEST_int_eq(EVP_KDF_CTX_get_params(kctx, params_get), 0))
goto err;
}
/* Get params returns -2 if an unsupported parameter is requested */
params_get[0] = OSSL_PARAM_construct_end();
if (!TEST_int_eq(EVP_KDF_CTX_get_params(kctx, params_get), -2))
goto err;
ret = 1;
err:
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_hkdf_gettables(void)
{
return do_kdf_hkdf_gettables(0, 1);
}
static int test_kdf_hkdf_gettables_expandonly(void)
{
return do_kdf_hkdf_gettables(1, 1);
}
static int test_kdf_hkdf_gettables_no_digest(void)
{
return do_kdf_hkdf_gettables(1, 0);
}
static int test_kdf_hkdf_invalid_digest(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
OSSL_PARAM *params;
params = construct_hkdf_params("blah", "secret", 6, "salt", "label");
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_HKDF))
&& TEST_false(EVP_KDF_CTX_set_params(kctx, params));
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_hkdf_derive_set_params_fail(void)
{
int ret = 0, i = 0;
EVP_KDF_CTX *kctx = NULL;
OSSL_PARAM params[2];
unsigned char out[10];
if (!TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_HKDF)))
goto end;
/*
* Set the wrong type for the digest so that it causes a failure
* inside kdf_hkdf_derive() when kdf_hkdf_set_ctx_params() is called
*/
params[0] = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_DIGEST, &i);
params[1] = OSSL_PARAM_construct_end();
if (!TEST_int_eq(EVP_KDF_derive(kctx, out, sizeof(out), params), 0))
goto end;
ret = 1;
end:
EVP_KDF_CTX_free(kctx);
return ret;
}
static int test_kdf_hkdf_set_invalid_mode(void)
{
int ret = 0, bad_mode = 100;
EVP_KDF_CTX *kctx = NULL;
OSSL_PARAM params[2];
if (!TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_HKDF)))
goto end;
params[0] = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_MODE,
"BADMODE", 0);
params[1] = OSSL_PARAM_construct_end();
if (!TEST_int_eq(EVP_KDF_CTX_set_params(kctx, params), 0))
goto end;
params[0] = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &bad_mode);
if (!TEST_int_eq(EVP_KDF_CTX_set_params(kctx, params), 0))
goto end;
ret = 1;
end:
EVP_KDF_CTX_free(kctx);
return ret;
}
static int do_kdf_hkdf_set_invalid_param(const char *key, int type)
{
int ret = 0;
EVP_KDF_CTX *kctx = NULL;
OSSL_PARAM params[2];
unsigned char buf[2];
if (!TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_HKDF)))
goto end;
/* Set the wrong type for the key so that it causes a failure */
if (type == OSSL_PARAM_UTF8_STRING)
params[0] = OSSL_PARAM_construct_utf8_string(key, "BAD", 0);
else
params[0] = OSSL_PARAM_construct_octet_string(key, buf, sizeof(buf));
params[1] = OSSL_PARAM_construct_end();
if (!TEST_int_eq(EVP_KDF_CTX_set_params(kctx, params), 0))
goto end;
ret = 1;
end:
EVP_KDF_CTX_free(kctx);
return ret;
}
static int test_kdf_hkdf_set_ctx_param_fail(void)
{
return do_kdf_hkdf_set_invalid_param(OSSL_KDF_PARAM_MODE,
OSSL_PARAM_OCTET_STRING)
&& do_kdf_hkdf_set_invalid_param(OSSL_KDF_PARAM_KEY,
OSSL_PARAM_UTF8_STRING)
&& do_kdf_hkdf_set_invalid_param(OSSL_KDF_PARAM_SALT,
OSSL_PARAM_UTF8_STRING)
&& do_kdf_hkdf_set_invalid_param(OSSL_KDF_PARAM_INFO,
OSSL_PARAM_UTF8_STRING);
}
static int test_kdf_hkdf_zero_output_size(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[10];
OSSL_PARAM *params;
params = construct_hkdf_params("sha256", "secret", 6, "salt", "label");
/* Negative test - derive should fail */
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_HKDF))
&& TEST_true(EVP_KDF_CTX_set_params(kctx, params))
&& TEST_int_eq(EVP_KDF_derive(kctx, out, 0, NULL), 0);
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_hkdf_empty_key(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[10];
OSSL_PARAM *params;
params = construct_hkdf_params("sha256", "", 0, "salt", "label");
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_HKDF))
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), params), 0);
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_hkdf_1byte_key(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[10];
OSSL_PARAM *params;
params = construct_hkdf_params("sha256", "1", 1, "salt", "label");
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_HKDF))
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), params), 0);
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_hkdf_empty_salt(void)
{
int ret;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[10];
OSSL_PARAM *params;
params = construct_hkdf_params("sha256", "secret", 6, "", "label");
ret = TEST_ptr(params)
&& TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_HKDF))
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), params), 0);
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static OSSL_PARAM *construct_pbkdf1_params(char *pass, char *digest, char *salt,
unsigned int *iter)
{
OSSL_PARAM *params = OPENSSL_malloc(sizeof(OSSL_PARAM) * 5);
OSSL_PARAM *p = params;
if (params == NULL)
return NULL;
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_PASSWORD,
(unsigned char *)pass, strlen(pass));
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SALT,
(unsigned char *)salt, strlen(salt));
*p++ = OSSL_PARAM_construct_uint(OSSL_KDF_PARAM_ITER, iter);
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
digest, 0);
*p = OSSL_PARAM_construct_end();
return params;
}
static int test_kdf_pbkdf1(void)
{
int ret = 0;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[25];
unsigned int iterations = 4096;
OSSL_LIB_CTX *libctx = NULL;
OSSL_PARAM *params = NULL;
OSSL_PROVIDER *legacyprov = NULL;
OSSL_PROVIDER *defprov = NULL;
const unsigned char expected[sizeof(out)] = {
0xfb, 0x83, 0x4d, 0x36, 0x6d, 0xbc, 0x53, 0x87, 0x35, 0x1b, 0x34, 0x75,
0x95, 0x88, 0x32, 0x4f, 0x3e, 0x82, 0x81, 0x01, 0x21, 0x93, 0x64, 0x00,
0xcc
};
if (!TEST_ptr(libctx = OSSL_LIB_CTX_new()))
goto err;
/* PBKDF1 only available in the legacy provider */
legacyprov = OSSL_PROVIDER_load(libctx, "legacy");
if (legacyprov == NULL) {
OSSL_LIB_CTX_free(libctx);
return TEST_skip("PBKDF1 only available in legacy provider");
}
if (!TEST_ptr(defprov = OSSL_PROVIDER_load(libctx, "default")))
goto err;
params = construct_pbkdf1_params("passwordPASSWORDpassword", "sha256",
"saltSALTsaltSALTsaltSALTsaltSALTsalt",
&iterations);
if (!TEST_ptr(params)
|| !TEST_ptr(kctx = get_kdfbyname_libctx(libctx, OSSL_KDF_NAME_PBKDF1))
|| !TEST_true(EVP_KDF_CTX_set_params(kctx, params))
|| !TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), NULL), 0)
|| !TEST_mem_eq(out, sizeof(out), expected, sizeof(expected)))
goto err;
ret = 1;
err:
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
OSSL_PROVIDER_unload(defprov);
OSSL_PROVIDER_unload(legacyprov);
OSSL_LIB_CTX_free(libctx);
return ret;
}
static OSSL_PARAM *construct_pbkdf2_params(char *pass, char *digest, char *salt,
unsigned int *iter, int *mode)
{
OSSL_PARAM *params = OPENSSL_malloc(sizeof(OSSL_PARAM) * 6);
OSSL_PARAM *p = params;
if (params == NULL)
return NULL;
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_PASSWORD,
(unsigned char *)pass, strlen(pass));
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SALT,
(unsigned char *)salt, strlen(salt));
*p++ = OSSL_PARAM_construct_uint(OSSL_KDF_PARAM_ITER, iter);
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
digest, 0);
*p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_PKCS5, mode);
*p = OSSL_PARAM_construct_end();
return params;
}
static int test_kdf_pbkdf2(void)
{
int ret = 0;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[25];
unsigned int iterations = 4096;
int mode = 0;
OSSL_PARAM *params;
const unsigned char expected[sizeof(out)] = {
0x34, 0x8c, 0x89, 0xdb, 0xcb, 0xd3, 0x2b, 0x2f,
0x32, 0xd8, 0x14, 0xb8, 0x11, 0x6e, 0x84, 0xcf,
0x2b, 0x17, 0x34, 0x7e, 0xbc, 0x18, 0x00, 0x18,
0x1c
};
params = construct_pbkdf2_params("passwordPASSWORDpassword", "sha256",
"saltSALTsaltSALTsaltSALTsaltSALTsalt",
&iterations, &mode);
if (!TEST_ptr(params)
|| !TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_PBKDF2))
|| !TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), params), 0)
|| !TEST_mem_eq(out, sizeof(out), expected, sizeof(expected)))
goto err;
ret = 1;
err:
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_pbkdf2_small_output(void)
{
int ret = 0;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[25];
unsigned int iterations = 4096;
int mode = 0;
OSSL_PARAM *params;
params = construct_pbkdf2_params("passwordPASSWORDpassword", "sha256",
"saltSALTsaltSALTsaltSALTsaltSALTsalt",
&iterations, &mode);
if (!TEST_ptr(params)
|| !TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_PBKDF2))
|| !TEST_true(EVP_KDF_CTX_set_params(kctx, params))
/* A key length that is too small should fail */
|| !TEST_int_eq(EVP_KDF_derive(kctx, out, 112 / 8 - 1, NULL), 0))
goto err;
ret = 1;
err:
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_pbkdf2_large_output(void)
{
int ret = 0;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[25];
size_t len = 0;
unsigned int iterations = 4096;
int mode = 0;
OSSL_PARAM *params;
if (sizeof(len) > 32)
len = SIZE_MAX;
params = construct_pbkdf2_params("passwordPASSWORDpassword", "sha256",
"saltSALTsaltSALTsaltSALTsaltSALTsalt",
&iterations, &mode);
if (!TEST_ptr(params)
|| !TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_PBKDF2))
/* A key length that is too large should fail */
|| !TEST_true(EVP_KDF_CTX_set_params(kctx, params))
|| (len != 0 && !TEST_int_eq(EVP_KDF_derive(kctx, out, len, NULL), 0)))
goto err;
ret = 1;
err:
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_pbkdf2_small_salt(void)
{
int ret = 0;
EVP_KDF_CTX *kctx = NULL;
unsigned int iterations = 4096;
int mode = 0;
OSSL_PARAM *params;
params = construct_pbkdf2_params("passwordPASSWORDpassword", "sha256",
"saltSALT",
&iterations, &mode);
if (!TEST_ptr(params)
|| !TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_PBKDF2))
/* A salt that is too small should fail */
|| !TEST_false(EVP_KDF_CTX_set_params(kctx, params)))
goto err;
ret = 1;
err:
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_pbkdf2_small_iterations(void)
{
int ret = 0;
EVP_KDF_CTX *kctx = NULL;
unsigned int iterations = 1;
int mode = 0;
OSSL_PARAM *params;
params = construct_pbkdf2_params("passwordPASSWORDpassword", "sha256",
"saltSALTsaltSALTsaltSALTsaltSALTsalt",
&iterations, &mode);
if (!TEST_ptr(params)
|| !TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_PBKDF2))
/* An iteration count that is too small should fail */
|| !TEST_false(EVP_KDF_CTX_set_params(kctx, params)))
goto err;
ret = 1;
err:
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_pbkdf2_small_salt_pkcs5(void)
{
int ret = 0;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[25];
unsigned int iterations = 4096;
int mode = 1;
OSSL_PARAM *params;
OSSL_PARAM mode_params[2];
params = construct_pbkdf2_params("passwordPASSWORDpassword", "sha256",
"saltSALT",
&iterations, &mode);
if (!TEST_ptr(params)
|| !TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_PBKDF2))
/* A salt that is too small should pass in pkcs5 mode */
|| !TEST_true(EVP_KDF_CTX_set_params(kctx, params))
|| !TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), NULL), 0))
goto err;
mode = 0;
mode_params[0] = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_PKCS5, &mode);
mode_params[1] = OSSL_PARAM_construct_end();
/* If the "pkcs5" mode is disabled then the derive will now fail */
if (!TEST_true(EVP_KDF_CTX_set_params(kctx, mode_params))
|| !TEST_int_eq(EVP_KDF_derive(kctx, out, sizeof(out), NULL), 0))
goto err;
ret = 1;
err:
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_pbkdf2_small_iterations_pkcs5(void)
{
int ret = 0;
EVP_KDF_CTX *kctx = NULL;
unsigned char out[25];
unsigned int iterations = 1;
int mode = 1;
OSSL_PARAM *params;
OSSL_PARAM mode_params[2];
params = construct_pbkdf2_params("passwordPASSWORDpassword", "sha256",
"saltSALTsaltSALTsaltSALTsaltSALTsalt",
&iterations, &mode);
if (!TEST_ptr(params)
|| !TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_PBKDF2))
/* An iteration count that is too small will pass in pkcs5 mode */
|| !TEST_true(EVP_KDF_CTX_set_params(kctx, params))
|| !TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), NULL), 0))
goto err;
mode = 0;
mode_params[0] = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_PKCS5, &mode);
mode_params[1] = OSSL_PARAM_construct_end();
/* If the "pkcs5" mode is disabled then the derive will now fail */
if (!TEST_true(EVP_KDF_CTX_set_params(kctx, mode_params))
|| !TEST_int_eq(EVP_KDF_derive(kctx, out, sizeof(out), NULL), 0))
goto err;
ret = 1;
err:
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
static int test_kdf_pbkdf2_invalid_digest(void)
{
int ret = 0;
EVP_KDF_CTX *kctx = NULL;
unsigned int iterations = 4096;
int mode = 0;
OSSL_PARAM *params;
params = construct_pbkdf2_params("passwordPASSWORDpassword", "blah",
"saltSALTsaltSALTsaltSALTsaltSALTsalt",
&iterations, &mode);
if (!TEST_ptr(params)
|| !TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_PBKDF2))
/* Unknown digest should fail */
|| !TEST_false(EVP_KDF_CTX_set_params(kctx, params)))
goto err;
ret = 1;
err:
EVP_KDF_CTX_free(kctx);
OPENSSL_free(params);
return ret;
}
#ifndef OPENSSL_NO_SCRYPT
static int test_kdf_scrypt(void)
{
int ret;
EVP_KDF_CTX *kctx;
OSSL_PARAM params[7], *p = params;
unsigned char out[64];
unsigned int nu = 1024, ru = 8, pu = 16, maxmem = 16;
static 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
};
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_PASSWORD,
(char *)"password", 8);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SALT,
(char *)"NaCl", 4);
*p++ = OSSL_PARAM_construct_uint(OSSL_KDF_PARAM_SCRYPT_N, &nu);
*p++ = OSSL_PARAM_construct_uint(OSSL_KDF_PARAM_SCRYPT_R, &ru);
*p++ = OSSL_PARAM_construct_uint(OSSL_KDF_PARAM_SCRYPT_P, &pu);
*p++ = OSSL_PARAM_construct_uint(OSSL_KDF_PARAM_SCRYPT_MAXMEM, &maxmem);
*p = OSSL_PARAM_construct_end();
ret =
TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_SCRYPT))
&& TEST_true(EVP_KDF_CTX_set_params(kctx, params))
/* failure test *//*
&& TEST_int_le(EVP_KDF_derive(kctx, out, sizeof(out), NULL), 0)*/
&& TEST_true(OSSL_PARAM_set_uint(p - 1, 10 * 1024 * 1024))
&& TEST_true(EVP_KDF_CTX_set_params(kctx, p - 1))
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), NULL), 0)
&& TEST_mem_eq(out, sizeof(out), expected, sizeof(expected));
EVP_KDF_CTX_free(kctx);
return ret;
}
#endif /* OPENSSL_NO_SCRYPT */
static int test_kdf_ss_hash(void)
{
int ret;
EVP_KDF_CTX *kctx;
OSSL_PARAM params[4], *p = params;
unsigned char out[14];
static unsigned char z[] = {
0x6d,0xbd,0xc2,0x3f,0x04,0x54,0x88,0xe4,0x06,0x27,0x57,0xb0,0x6b,0x9e,
0xba,0xe1,0x83,0xfc,0x5a,0x59,0x46,0xd8,0x0d,0xb9,0x3f,0xec,0x6f,0x62,
0xec,0x07,0xe3,0x72,0x7f,0x01,0x26,0xae,0xd1,0x2c,0xe4,0xb2,0x62,0xf4,
0x7d,0x48,0xd5,0x42,0x87,0xf8,0x1d,0x47,0x4c,0x7c,0x3b,0x18,0x50,0xe9
};
static unsigned char other[] = {
0xa1,0xb2,0xc3,0xd4,0xe5,0x43,0x41,0x56,0x53,0x69,0x64,0x3c,0x83,0x2e,
0x98,0x49,0xdc,0xdb,0xa7,0x1e,0x9a,0x31,0x39,0xe6,0x06,0xe0,0x95,0xde,
0x3c,0x26,0x4a,0x66,0xe9,0x8a,0x16,0x58,0x54,0xcd,0x07,0x98,0x9b,0x1e,
0xe0,0xec,0x3f,0x8d,0xbe
};
static const unsigned char expected[sizeof(out)] = {
0xa4,0x62,0xde,0x16,0xa8,0x9d,0xe8,0x46,0x6e,0xf5,0x46,0x0b,0x47,0xb8
};
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
(char *)"sha224", 0);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_KEY, z, sizeof(z));
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_INFO, other,
sizeof(other));
*p = OSSL_PARAM_construct_end();
ret =
TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_SSKDF))
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), params), 0)
&& TEST_mem_eq(out, sizeof(out), expected, sizeof(expected));
EVP_KDF_CTX_free(kctx);
return ret;
}
static int test_kdf_x963(void)
{
int ret;
EVP_KDF_CTX *kctx;
OSSL_PARAM params[4], *p = params;
unsigned char out[1024 / 8];
/*
* Test data from https://csrc.nist.gov/CSRC/media/Projects/
* Cryptographic-Algorithm-Validation-Program/documents/components/
* 800-135testvectors/ansx963_2001.zip
*/
static unsigned char z[] = {
0x00, 0xaa, 0x5b, 0xb7, 0x9b, 0x33, 0xe3, 0x89, 0xfa, 0x58, 0xce, 0xad,
0xc0, 0x47, 0x19, 0x7f, 0x14, 0xe7, 0x37, 0x12, 0xf4, 0x52, 0xca, 0xa9,
0xfc, 0x4c, 0x9a, 0xdb, 0x36, 0x93, 0x48, 0xb8, 0x15, 0x07, 0x39, 0x2f,
0x1a, 0x86, 0xdd, 0xfd, 0xb7, 0xc4, 0xff, 0x82, 0x31, 0xc4, 0xbd, 0x0f,
0x44, 0xe4, 0x4a, 0x1b, 0x55, 0xb1, 0x40, 0x47, 0x47, 0xa9, 0xe2, 0xe7,
0x53, 0xf5, 0x5e, 0xf0, 0x5a, 0x2d
};
static unsigned char shared[] = {
0xe3, 0xb5, 0xb4, 0xc1, 0xb0, 0xd5, 0xcf, 0x1d, 0x2b, 0x3a, 0x2f, 0x99,
0x37, 0x89, 0x5d, 0x31
};
static const unsigned char expected[sizeof(out)] = {
0x44, 0x63, 0xf8, 0x69, 0xf3, 0xcc, 0x18, 0x76, 0x9b, 0x52, 0x26, 0x4b,
0x01, 0x12, 0xb5, 0x85, 0x8f, 0x7a, 0xd3, 0x2a, 0x5a, 0x2d, 0x96, 0xd8,
0xcf, 0xfa, 0xbf, 0x7f, 0xa7, 0x33, 0x63, 0x3d, 0x6e, 0x4d, 0xd2, 0xa5,
0x99, 0xac, 0xce, 0xb3, 0xea, 0x54, 0xa6, 0x21, 0x7c, 0xe0, 0xb5, 0x0e,
0xef, 0x4f, 0x6b, 0x40, 0xa5, 0xc3, 0x02, 0x50, 0xa5, 0xa8, 0xee, 0xee,
0x20, 0x80, 0x02, 0x26, 0x70, 0x89, 0xdb, 0xf3, 0x51, 0xf3, 0xf5, 0x02,
0x2a, 0xa9, 0x63, 0x8b, 0xf1, 0xee, 0x41, 0x9d, 0xea, 0x9c, 0x4f, 0xf7,
0x45, 0xa2, 0x5a, 0xc2, 0x7b, 0xda, 0x33, 0xca, 0x08, 0xbd, 0x56, 0xdd,
0x1a, 0x59, 0xb4, 0x10, 0x6c, 0xf2, 0xdb, 0xbc, 0x0a, 0xb2, 0xaa, 0x8e,
0x2e, 0xfa, 0x7b, 0x17, 0x90, 0x2d, 0x34, 0x27, 0x69, 0x51, 0xce, 0xcc,
0xab, 0x87, 0xf9, 0x66, 0x1c, 0x3e, 0x88, 0x16
};
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
(char *)"sha512", 0);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_KEY, z, sizeof(z));
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_INFO, shared,
sizeof(shared));
*p = OSSL_PARAM_construct_end();
ret =
TEST_ptr(kctx = get_kdfbyname(OSSL_KDF_NAME_X963KDF))
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out), params), 0)
&& TEST_mem_eq(out, sizeof(out), expected, sizeof(expected));
EVP_KDF_CTX_free(kctx);
return ret;
}
#if !defined(OPENSSL_NO_CMAC) && !defined(OPENSSL_NO_CAMELLIA)
/*
* KBKDF test vectors from RFC 6803 (Camellia Encryption for Kerberos 5)
* section 10.
*/
static int test_kdf_kbkdf_6803_128(void)
{
int ret = 0, i, p;
EVP_KDF_CTX *kctx;
OSSL_PARAM params[7];
static unsigned char input_key[] = {
0x57, 0xD0, 0x29, 0x72, 0x98, 0xFF, 0xD9, 0xD3,
0x5D, 0xE5, 0xA4, 0x7F, 0xB4, 0xBD, 0xE2, 0x4B,
};
static unsigned char constants[][5] = {
{ 0x00, 0x00, 0x00, 0x02, 0x99 },
{ 0x00, 0x00, 0x00, 0x02, 0xaa },
{ 0x00, 0x00, 0x00, 0x02, 0x55 },
};
static unsigned char outputs[][16] = {
{0xD1, 0x55, 0x77, 0x5A, 0x20, 0x9D, 0x05, 0xF0,
0x2B, 0x38, 0xD4, 0x2A, 0x38, 0x9E, 0x5A, 0x56},
{0x64, 0xDF, 0x83, 0xF8, 0x5A, 0x53, 0x2F, 0x17,
0x57, 0x7D, 0x8C, 0x37, 0x03, 0x57, 0x96, 0xAB},
{0x3E, 0x4F, 0xBD, 0xF3, 0x0F, 0xB8, 0x25, 0x9C,
0x42, 0x5C, 0xB6, 0xC9, 0x6F, 0x1F, 0x46, 0x35}
};
static unsigned char iv[16] = { 0 };
unsigned char result[16] = { 0 };
for (i = 0; i < 3; i++) {
p = 0;
params[p++] = OSSL_PARAM_construct_utf8_string(
OSSL_KDF_PARAM_CIPHER, "CAMELLIA-128-CBC", 0);
params[p++] = OSSL_PARAM_construct_utf8_string(
OSSL_KDF_PARAM_MAC, "CMAC", 0);
params[p++] = OSSL_PARAM_construct_utf8_string(
OSSL_KDF_PARAM_MODE, "FEEDBACK", 0);
params[p++] = OSSL_PARAM_construct_octet_string(
OSSL_KDF_PARAM_KEY, input_key, sizeof(input_key));
params[p++] = OSSL_PARAM_construct_octet_string(
OSSL_KDF_PARAM_SALT, constants[i], sizeof(constants[i]));
params[p++] = OSSL_PARAM_construct_octet_string(
OSSL_KDF_PARAM_SEED, iv, sizeof(iv));
params[p] = OSSL_PARAM_construct_end();
kctx = get_kdfbyname("KBKDF");
ret = TEST_ptr(kctx)
&& TEST_int_gt(EVP_KDF_derive(kctx, result, sizeof(result),
params), 0)
&& TEST_mem_eq(result, sizeof(result), outputs[i],
sizeof(outputs[i]));
EVP_KDF_CTX_free(kctx);
if (ret != 1)
return ret;
}
return ret;