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9.8 KiB

/* SPDX-License-Identifier: BSD-2-Clause */
/*******************************************************************************
* Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
* All rights reserved.
*******************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <openssl/evp.h>
#include <openssl/rsa.h>
#include <openssl/engine.h>
#include <openssl/pem.h>
#include "tss2_fapi.h"
#include "test-fapi.h"
#define LOGMODULE test
#include "util/log.h"
#include "util/aux_util.h"
#ifdef TEST_ECC
const char *priv_pem =
"-----BEGIN EC PRIVATE KEY-----\n"
"MHcCAQEEILE8jic/6w/lKoFTVblkNQ4Ls5IYibQNQ4Dk5B9R09ONoAoGCCqGSM49\n"
"AwEHoUQDQgAEoJTa3zftdAzHC96IjpqQ/dnLm+p7pEiLMi03Jd0oP0aYnnXFjolz\n"
"IB/dBZ/t+BLh0PwLM5aAM/jugeLkHgpIyQ==\n"
"-----END EC PRIVATE KEY-----\n";
const char *pub_pem =
"-----BEGIN PUBLIC KEY-----\n"
"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEoJTa3zftdAzHC96IjpqQ/dnLm+p7\n"
"pEiLMi03Jd0oP0aYnnXFjolzIB/dBZ/t+BLh0PwLM5aAM/jugeLkHgpIyQ==\n"
"-----END PUBLIC KEY-----\n";
#else
const char *priv_pem =
"-----BEGIN PRIVATE KEY-----\n"
"MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQCgYvoisJIDOeYg\n"
"jMF6ywiZbu085TLvy5ZMhq5vfYqdgefvwpemutnfKSnpYOs5B4yO/gAD7XiYluDv\n"
"tqlVhfISeQV04xrWGzNImenpwm/HsgueAu8VTHNtWSL96G+BLedGTrs2NqX6cxN7\n"
"yGl7dQpB5X8iP4XSvpjP3Vb7gs+adwCJR6xFkt60jYFmwrAdhEzOeakhimi5rU21\n"
"LxCkRdEyaxS57X15L9dEA+aYJ+dvkFfZOfTqIKmTrA75F8yj161xflwtIC4hgRBg\n"
"K9Xb/RdN8TDrTu+20E3RjngutU4qejW9Fd3mzHJGV8HRYvjYXhUblN9wmjm7Veru\n"
"T2b0rnvzAgMBAAECggEBAIwHvoJ5DRJ6A50Zp3dROxHTEphfOEi6xF/OGxBGWLbK\n"
"C7l+eS9d5gj8BJa5QsXI/IR/6X2EYQ1AdeV04oVD7CUKuqPiALU8jFrv3pV0aGm+\n"
"3nu37gv3crPe5jkvLeNoM4tkA/oCXom63SDuyoG6nxkHiSdatLlaJUse4em3vRAL\n"
"QivziZIMyswcleMe0xAoMi7LO+nUFFxBS8/xGya0vsU0dsMQEl1SRITv1VCXmPQD\n"
"T4dEI4+1cufv6Ax0EDbFKmnjyiGTjOeQKrGIqETUSQolbg5PgL1XZehaaxM822OY\n"
"Qpnp5T0XhUEmVrOb2Wrboj+dC/2tgAN/fWXjAAxnm2ECgYEA02UTZuZ+QnD6tqo3\n"
"/y3n5kaM9uA2mdOIqgECI9psGF1IBIC/iP2diKyuvmQL8hzymComb5YzZl3TOAga\n"
"WHQYbIeU3JhnYTG75/Dv5Zh32H4NjkIJHT2/8LUM25Ove9u6QAniVgIQpBZ47LjX\n"
"9jHjTYCW5n79qNSfu0egYJUvypECgYEAwjqWzzEINqnX/xIVCoB4XpuDuSdkM0JW\n"
"MZDIH9xHjZPp07/5XYEoITylk6Zwbh+djvWDNP4gzPtuK26VsqrNxoWMsFZeXn6U\n"
"xSOYL2UNCZiOgchdZCOr+6r8LRUuo8xHjbawVoJVK1+tZ2WsR3ilt3Gw34O8Z5ep\n"
"f4v7GOXw+EMCgYAUHjFrgJIRhqkFi0uK+HZyXtJ5iDsKBqyh6Tin6tiQtQfujcYs\n"
"pl5ArJZwvhq47vJTcud3hSbdHh7E3ViMhHfylDChkct833vPhgl+ozT8oHpvyG8P\n"
"nlnO8ZwIpZR0yCOAhrBImSe2RgE6HhlHb9X/ATbbNsizMZEGBLoJlwkWUQKBgQCy\n"
"4U7fh2LvJUF+82JZh7RUPZn1Pmg0JVZI0/TcEv37UEy77kR1b2xMIBTGhTVq1sc/\n"
"ULIEbkA7SR1P9sr7//8AZSMLjJ/hG2dcoMmabNCzE8O7l5MblRbh87nIs4d+57bG\n"
"t4h0RBi4l6eWYLdoI59L8fNaB3PPXIiIpZ0eczeZDQKBgQC2vuFYpUZqDb9CaJsn\n"
"Luee6P6n5v3ZBTAT4E+GG1kWS28BiebcCuLKNAY4ZtLo08ozaTWcMxooOTeka2ux\n"
"fQDE4M/LTNpam8QOJ2hqECF5a0uBYNcbmaGtfA9KwIgwCZZYuwb5IDq/DRPuR690\n"
"i8Kp6jR2wY0suObmZHKvbCB1Dw==\n"
"-----END PRIVATE KEY-----\n";
const char *pub_pem =
"-----BEGIN PUBLIC KEY-----\n"
"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoGL6IrCSAznmIIzBessI\n"
"mW7tPOUy78uWTIaub32KnYHn78KXprrZ3ykp6WDrOQeMjv4AA+14mJbg77apVYXy\n"
"EnkFdOMa1hszSJnp6cJvx7ILngLvFUxzbVki/ehvgS3nRk67Njal+nMTe8hpe3UK\n"
"QeV/Ij+F0r6Yz91W+4LPmncAiUesRZLetI2BZsKwHYRMznmpIYpoua1NtS8QpEXR\n"
"MmsUue19eS/XRAPmmCfnb5BX2Tn06iCpk6wO+RfMo9etcX5cLSAuIYEQYCvV2/0X\n"
"TfEw607vttBN0Y54LrVOKno1vRXd5sxyRlfB0WL42F4VG5TfcJo5u1Xq7k9m9K57\n"
"8wIDAQAB\n"
"-----END PUBLIC KEY-----\n";
#endif /* TEST_ECC */
#define RSA_SIG_SCHEME RSA_PKCS1_PSS_PADDING
char *userDataTest = "test";
#define chknull(X) if (!X) { LOG_ERROR(str(X) "should not be null"); \
r = TSS2_FAPI_RC_GENERAL_FAILURE; \
goto error_cleanup; }
static TSS2_RC
signatureCallback(
FAPI_CONTEXT *context,
char const *description,
char const *publicKey,
char const *publicKeyHint,
uint32_t hashAlg,
uint8_t const *dataToSign,
size_t dataToSignSize,
uint8_t **signature,
size_t *signatureSize,
void *userData)
{
(void)description;
(void)publicKey;
(void)publicKeyHint;
if (userData != userDataTest) {
LOG_ERROR("userData is not correct, %p != %p", userData, userDataTest);
return TSS2_FAPI_RC_GENERAL_FAILURE;
}
if (hashAlg != TPM2_ALG_SHA1) {
LOG_ERROR("hashAlg is not correct, %u != %u", hashAlg, TPM2_ALG_SHA256);
return TSS2_FAPI_RC_GENERAL_FAILURE;
}
TSS2_RC r = TSS2_RC_SUCCESS;
EVP_PKEY *priv_key = NULL;
BIO *bufio = NULL;
EVP_MD_CTX *mdctx = NULL;
EVP_PKEY_CTX *pctx = NULL;
const EVP_MD *ossl_hash = EVP_sha1();
chknull(ossl_hash);
LOGBLOB_DEBUG(dataToSign, dataToSignSize, "Data to be signed");
bufio = BIO_new_mem_buf((void *)priv_pem, strlen(priv_pem));
priv_key = PEM_read_bio_PrivateKey(bufio, NULL, NULL, NULL);
chknull(priv_key);
mdctx = EVP_MD_CTX_create();
chknull(mdctx);
if (1 != EVP_DigestSignInit(mdctx, &pctx, NULL, NULL, priv_key)) {
goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL digest sign init.",
error_cleanup);
}
if (EVP_PKEY_type(EVP_PKEY_id(priv_key)) == EVP_PKEY_RSA) {
int signing_scheme = RSA_SIG_SCHEME;
if (1 != EVP_PKEY_CTX_set_rsa_padding(pctx, signing_scheme)) {
goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL set RSA padding.",
error_cleanup);
}
}
if (1 != EVP_DigestSignInit(mdctx, &pctx, ossl_hash, NULL, priv_key)) {
goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL sign init.",
error_cleanup);
}
if (1 != EVP_DigestSignUpdate(mdctx, dataToSign, dataToSignSize)) {
goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL sign update.",
error_cleanup);
}
if (1 != EVP_DigestSignFinal(mdctx, NULL, signatureSize)) {
goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL sign final.",
error_cleanup);
}
*signature = malloc(*signatureSize);
chknull(*signature);
if (1 != EVP_DigestSignFinal(mdctx, *signature, signatureSize)) {
goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL sign final.",
error_cleanup);
}
error_cleanup:
if (priv_key)
EVP_PKEY_free(priv_key);
if (bufio)
BIO_free(bufio);
if (mdctx)
EVP_MD_CTX_destroy(mdctx);
return r;
}
#define PASSWORD NULL
#define SIGN_TEMPLATE "sign,noDa"
/** Test the FAPI functions for key creation and usage with a PolicySigned.
*
* Tested FAPI commands:
* - Fapi_Provision()
* - Fapi_Import()
* - Fapi_CreateKey()
* - Fapi_SetSignCB()
* - Fapi_Sign()
* - Fapi_Delete()
* - Fapi_List()
*
* Tested Policies:
* - PolicySigned
*
* @param[in,out] context The FAPI_CONTEXT.
* @retval EXIT_FAILURE
* @retval EXIT_SUCCESS
*/
int
test_fapi_key_create_policy_signed(FAPI_CONTEXT *context)
{
TSS2_RC r;
#ifdef TEST_ECC
char *policy_name = "/policy/pol_signed_ecc";
char *policy_file = TOP_SOURCEDIR "/test/data/fapi/policy/pol_signed_ecc.json";
#else
char *policy_name = "/policy/pol_signed";
char *policy_file = TOP_SOURCEDIR "/test/data/fapi/policy/pol_signed.json";
#endif
FILE *stream = NULL;
char *json_policy = NULL;
long policy_size;
uint8_t *signature = NULL;
char *publicKey = NULL;
char *pathList = NULL;
r = Fapi_Provision(context, NULL, NULL, NULL);
goto_if_error(r, "Error Fapi_Provision", error);
r = pcr_reset(context, 16);
goto_if_error(r, "Error pcr_reset", error);
stream = fopen(policy_file, "r");
if (!stream) {
LOG_ERROR("File %s does not exist", policy_file);
goto error;
}
fseek(stream, 0L, SEEK_END);
policy_size = ftell(stream);
fclose(stream);
json_policy = malloc(policy_size + 1);
goto_if_null(json_policy,
"Could not allocate memory for the JSON policy",
TSS2_FAPI_RC_MEMORY, error);
stream = fopen(policy_file, "r");
ssize_t ret = read(fileno(stream), json_policy, policy_size);
if (ret != policy_size) {
LOG_ERROR("IO error %s.", policy_file);
goto error;
}
json_policy[policy_size] = '\0';
r = Fapi_Import(context, policy_name, json_policy);
goto_if_error(r, "Error Fapi_Import", error);
r = Fapi_CreateKey(context, "/HS/SRK/mySignKey", SIGN_TEMPLATE,
policy_name, PASSWORD);
goto_if_error(r, "Error Fapi_CreateKey", error);
size_t signatureSize = 0;
TPM2B_DIGEST digest = {
.size = 20,
.buffer = {
0x67, 0x68, 0x03, 0x3e, 0x21, 0x64, 0x68, 0x24, 0x7b, 0xd0,
0x31, 0xa0, 0xa2, 0xd9, 0x87, 0x6d, 0x79, 0x81, 0x8f, 0x8f
}
};
r = Fapi_SetSignCB(context, signatureCallback, userDataTest);
goto_if_error(r, "Error SetPolicySignatureCallback", error);
r = Fapi_Sign(context, "/HS/SRK/mySignKey", NULL,
&digest.buffer[0], digest.size, &signature, &signatureSize,
&publicKey, NULL);
goto_if_error(r, "Error Fapi_Sign", error);
r = Fapi_Delete(context, "/HS/SRK");
goto_if_error(r, "Error Fapi_Delete", error);
r = Fapi_List(context, "/", &pathList);
goto_if_error(r, "Error Fapi_List", error);
fprintf(stderr, "\n%s\n", pathList);
fclose(stream);
SAFE_FREE(json_policy);
SAFE_FREE(signature);
SAFE_FREE(publicKey);
SAFE_FREE(pathList);
return EXIT_SUCCESS;
error:
SAFE_FREE(json_policy);
SAFE_FREE(signature);
SAFE_FREE(publicKey);
SAFE_FREE(pathList);
return EXIT_FAILURE;
}
int
test_invoke_fapi(FAPI_CONTEXT *fapi_context)
{
return test_fapi_key_create_policy_signed(fapi_context);
}