/*
* 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
*/
#include <string.h>
#include <openssl/err.h>
#include <openssl/fips.h>
#include "crypto/fips.h"
#include <openssl/evp.h>
#include <openssl/kdf.h>
#ifdef OPENSSL_FIPS
static int FIPS_selftest_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) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha256()) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_TLS_SECRET,
"secret", (size_t)6) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_ADD_TLS_SEED, "seed", (size_t)4) <= 0) {
goto err;
}
if (EVP_KDF_derive(kctx, out, sizeof(out)) <= 0) {
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 (memcmp(out, expected, sizeof(expected))) {
goto err;
}
}
ret = 1;
err:
if (!ret)
FIPSerr(FIPS_F_FIPS_SELFTEST_TLS1_PRF, FIPS_R_SELFTEST_FAILED);
EVP_KDF_CTX_free(kctx);
return ret;
}
static int FIPS_selftest_hkdf(void)
{
int ret = 0;
EVP_KDF_CTX *kctx;
unsigned char out[10];
if ((kctx = EVP_KDF_CTX_new_id(EVP_KDF_HKDF)) == NULL) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha256()) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SALT, "salt", (size_t)4) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KEY, "secret", (size_t)6) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_ADD_HKDF_INFO,
"label", (size_t)5) <= 0) {
goto err;
}
if (EVP_KDF_derive(kctx, out, sizeof(out)) <= 0) {
goto err;
}
{
const unsigned char expected[sizeof(out)] = {
0x2a, 0xc4, 0x36, 0x9f, 0x52, 0x59, 0x96, 0xf8, 0xde, 0x13
};
if (memcmp(out, expected, sizeof(expected))) {
goto err;
}
}
ret = 1;
err:
if (!ret)
FIPSerr(FIPS_F_FIPS_SELFTEST_HKDF, FIPS_R_SELFTEST_FAILED);
EVP_KDF_CTX_free(kctx);
return ret;
}
static int FIPS_selftest_sshkdf(void)
{
int ret = 0;
EVP_KDF_CTX *kctx;
unsigned char out[32];
const unsigned char input_key[] = {
0x00, 0x00, 0x00, 0x80, 0x0f, 0xaa, 0x17, 0x2b,
0x8c, 0x28, 0x7e, 0x37, 0x2b, 0xb2, 0x36, 0xad,
0x34, 0xc7, 0x33, 0x69, 0x5c, 0x13, 0xd7, 0x7f,
0x88, 0x2a, 0xdc, 0x0f, 0x47, 0xe5, 0xa7, 0xf6,
0xa3, 0xde, 0x07, 0xef, 0xb1, 0x01, 0x20, 0x7a,
0xa5, 0xd6, 0x65, 0xb6, 0x19, 0x82, 0x6f, 0x75,
0x65, 0x91, 0xf6, 0x53, 0x10, 0xbb, 0xd2, 0xc9,
0x2c, 0x93, 0x84, 0xe6, 0xc6, 0xa6, 0x7b, 0x42,
0xde, 0xc3, 0x82, 0xfd, 0xb2, 0x4c, 0x59, 0x1d,
0x79, 0xff, 0x5e, 0x47, 0x73, 0x7b, 0x0f, 0x5b,
0x84, 0x79, 0x69, 0x4c, 0x3a, 0xdc, 0x19, 0x40,
0x17, 0x04, 0x91, 0x2b, 0xbf, 0xec, 0x27, 0x04,
0xd4, 0xd5, 0xbe, 0xbb, 0xfc, 0x1a, 0x7f, 0xc7,
0x96, 0xe2, 0x77, 0x63, 0x4e, 0x40, 0x85, 0x18,
0x51, 0xa1, 0x87, 0xec, 0x2d, 0x37, 0xed, 0x3f,
0x35, 0x1c, 0x45, 0x96, 0xa5, 0xa0, 0x89, 0x29,
0x16, 0xb4, 0xc5, 0x5f
};
const unsigned char xcghash[] = {
0xa3, 0x47, 0xf5, 0xf1, 0xe1, 0x91, 0xc3, 0x5f,
0x21, 0x2c, 0x93, 0x24, 0xd5, 0x86, 0x7e, 0xfd,
0xf8, 0x30, 0x26, 0xbe, 0x62, 0xc2, 0xb1, 0x6a,
0xe0, 0x06, 0xed, 0xb3, 0x37, 0x8d, 0x40, 0x06
};
const unsigned char session_id[] = {
0x90, 0xbe, 0xfc, 0xef, 0x3f, 0xf8, 0xf9, 0x20,
0x67, 0x4a, 0x9f, 0xab, 0x94, 0x19, 0x8c, 0xf3,
0xfd, 0x9d, 0xca, 0x24, 0xa2, 0x1d, 0x3c, 0x9d,
0xba, 0x39, 0x4d, 0xaa, 0xfb, 0xc6, 0x21, 0xed
};
if ((kctx = EVP_KDF_CTX_new_id(EVP_KDF_SSHKDF)) == NULL) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha256()) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KEY, input_key,
sizeof(input_key)) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SSHKDF_XCGHASH, xcghash,
sizeof(xcghash)) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SSHKDF_SESSION_ID, session_id,
sizeof(session_id)) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SSHKDF_TYPE, (int)'F') <= 0) {
goto err;
}
if (EVP_KDF_derive(kctx, out, sizeof(out)) <= 0) {
goto err;
}
{
const unsigned char expected[sizeof(out)] = {
0x14, 0x7a, 0x77, 0x14, 0x45, 0x12, 0x3f, 0x84,
0x6d, 0x8a, 0xe5, 0x14, 0xd7, 0xff, 0x9b, 0x3c,
0x93, 0xb2, 0xbc, 0xeb, 0x7c, 0x7c, 0x95, 0x00,
0x94, 0x21, 0x61, 0xb8, 0xe2, 0xd0, 0x11, 0x0f
};
if (memcmp(out, expected, sizeof(expected))) {
goto err;
}
}
ret = 1;
err:
if (!ret)
FIPSerr(FIPS_F_FIPS_SELFTEST_SSHKDF, FIPS_R_SELFTEST_FAILED);
EVP_KDF_CTX_free(kctx);
return ret;
}
static int FIPS_selftest_pbkdf2(void)
{
int ret = 0;
EVP_KDF_CTX *kctx;
unsigned char out[32];
if ((kctx = EVP_KDF_CTX_new_id(EVP_KDF_PBKDF2)) == NULL) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_PASS, "password", (size_t)8) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SALT, "salt", (size_t)4) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_ITER, 2) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha256()) <= 0) {
goto err;
}
if (EVP_KDF_derive(kctx, out, sizeof(out)) <= 0) {
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 (memcmp(out, expected, sizeof(expected))) {
goto err;
}
}
ret = 1;
err:
if (!ret)
FIPSerr(FIPS_F_FIPS_SELFTEST_PBKDF2, FIPS_R_SELFTEST_FAILED);
EVP_KDF_CTX_free(kctx);
return ret;
}
/* Test vector from RFC 8009 (AES Encryption with HMAC-SHA2 for Kerberos
* 5) appendix A. */
static int FIPS_selftest_kbkdf(void)
{
int ret = 0;
EVP_KDF_CTX *kctx;
char *label = "prf", *prf_input = "test";
const unsigned char input_key[] = {
0x37, 0x05, 0xD9, 0x60, 0x80, 0xC1, 0x77, 0x28,
0xA0, 0xE8, 0x00, 0xEA, 0xB6, 0xE0, 0xD2, 0x3C,
};
const unsigned char output[] = {
0x9D, 0x18, 0x86, 0x16, 0xF6, 0x38, 0x52, 0xFE,
0x86, 0x91, 0x5B, 0xB8, 0x40, 0xB4, 0xA8, 0x86,
0xFF, 0x3E, 0x6B, 0xB0, 0xF8, 0x19, 0xB4, 0x9B,
0x89, 0x33, 0x93, 0xD3, 0x93, 0x85, 0x42, 0x95,
};
unsigned char result[sizeof(output)] = { 0 };
if ((kctx = EVP_KDF_CTX_new_id(EVP_KDF_KB)) == NULL) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KB_MAC_TYPE, EVP_KDF_KB_MAC_TYPE_HMAC) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha256()) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KEY, input_key, sizeof(input_key)) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SALT, label, strlen(label)) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KB_INFO, prf_input, strlen(prf_input)) <= 0) {
goto err;
}
ret = EVP_KDF_derive(kctx, result, sizeof(result)) > 0
&& memcmp(result, output, sizeof(output)) == 0;
err:
if (!ret)
FIPSerr(FIPS_F_FIPS_SELFTEST_KBKDF, FIPS_R_SELFTEST_FAILED);
EVP_KDF_CTX_free(kctx);
return ret;
}
static int FIPS_selftest_krb5kdf(void)
{
int ret = 0;
EVP_KDF_CTX *kctx;
unsigned char out[16];
const unsigned char key[] = {
0x42, 0x26, 0x3C, 0x6E, 0x89, 0xF4, 0xFC, 0x28,
0xB8, 0xDF, 0x68, 0xEE, 0x09, 0x79, 0x9F, 0x15
};
const unsigned char constant[] = {
0x00, 0x00, 0x00, 0x02, 0x99
};
const unsigned char expected[sizeof(out)] = {
0x34, 0x28, 0x0A, 0x38, 0x2B, 0xC9, 0x27, 0x69,
0xB2, 0xDA, 0x2F, 0x9E, 0xF0, 0x66, 0x85, 0x4B
};
if ((kctx = EVP_KDF_CTX_new_id(EVP_KDF_KRB5KDF)) == NULL) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_CIPHER, EVP_aes_128_cbc()) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KEY, key, sizeof(key)) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KRB5KDF_CONSTANT, constant, sizeof(constant)) <= 0) {
goto err;
}
ret =
EVP_KDF_derive(kctx, out, sizeof(out)) > 0
&& memcmp(out, expected, sizeof(expected)) == 0;
err:
if (!ret)
FIPSerr(FIPS_F_FIPS_SELFTEST_KRB5KDF, FIPS_R_SELFTEST_FAILED);
EVP_KDF_CTX_free(kctx);
return ret;
}
static int FIPS_selftest_sskdf(void)
{
int ret = 0;
EVP_KDF_CTX *kctx;
const 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
};
const 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
};
const unsigned char expected[] = {
0xa4,0x62,0xde,0x16,0xa8,0x9d,0xe8,0x46,0x6e,0xf5,0x46,0x0b,0x47,0xb8
};
unsigned char out[14];
kctx = EVP_KDF_CTX_new_id(EVP_KDF_SS);
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha224()) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KEY, z, sizeof(z)) <= 0) {
goto err;
}
if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SSKDF_INFO, other,
sizeof(other)) <= 0) {
goto err;
}
if (EVP_KDF_derive(kctx, out, sizeof(out)) <= 0) {
goto err;
}
if (memcmp(out, expected, sizeof(expected)))
goto err;
ret = 1;
err:
if (!ret)
FIPSerr(FIPS_F_FIPS_SELFTEST_SSKDF, FIPS_R_SELFTEST_FAILED);
EVP_KDF_CTX_free(kctx);
return ret;
}
int FIPS_selftest_kdf(void)
{
return FIPS_selftest_tls1_prf()
&& FIPS_selftest_hkdf()
&& FIPS_selftest_sshkdf()
&& FIPS_selftest_pbkdf2()
&& FIPS_selftest_kbkdf()
&& FIPS_selftest_krb5kdf()
&& FIPS_selftest_sskdf();
}
#endif