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/********************************************************************************/
/* */
/* Sample Crypto Utilities */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* */
/* (c) Copyright IBM Corporation 2017 - 2019. */
/* */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or without */
/* modification, are permitted provided that the following conditions are */
/* met: */
/* */
/* Redistributions of source code must retain the above copyright notice, */
/* this list of conditions and the following disclaimer. */
/* */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in the */
/* documentation and/or other materials provided with the distribution. */
/* */
/* Neither the names of the IBM Corporation nor the names of its */
/* contributors may be used to endorse or promote products derived from */
/* this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */
/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY */
/* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */
/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/********************************************************************************/
#ifndef CRYPTUTILS_H
#define CRYPTUTILS_H
/* Windows 10 crypto API clashes with openssl */
#ifdef TPM_WINDOWS
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <winsock2.h>
#include <windows.h>
#endif
/* TPM_TSS_NO_OPENSSL is a legacy macro. cryptoutils was exposing several OpenSSL specific
functions. They are not available for other crypto libraries. For OpenSSL, they are available
but deprecated. */
#ifndef TPM_TSS_NO_OPENSSL
#include <openssl/rand.h>
#include <openssl/pem.h>
#endif /* TPM_TSS_NO_OPENSSL */
#ifdef TPM_TSS_MBEDTLS
#include <mbedtls/pk.h>
#endif /* TPM_TSS_MBEDTLS */
#include <ibmtss/tss.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
crypto library independent functions
*/
void getCryptoLibrary(const char **name);
TPM_RC convertPemToRsaPrivKey(void **rsaKey,
const char *pemKeyFilename,
const char *password);
TPM_RC convertRsaKeyToPublicKeyBin(int *modulusBytes,
uint8_t **modulusBin,
void *rsaKey);
TPM_RC convertRsaKeyToPublic(TPM2B_PUBLIC *objectPublic,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
void *rsaKey);
TPM_RC convertRsaPemToKeyPair(TPM2B_PUBLIC *objectPublic,
TPM2B_PRIVATE *objectPrivate,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
const char *pemKeyFilename,
const char *password);
TPM_RC convertRsaDerToKeyPair(TPM2B_PUBLIC *objectPublic,
TPM2B_SENSITIVE *objectSensitive,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
const char *derKeyFilename,
const char *password);
TPM_RC convertRsaDerToPublic(TPM2B_PUBLIC *objectPublic,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
const char *derKeyFilename);
TPM_RC convertRsaPemToPublic(TPM2B_PUBLIC *objectPublic,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
const char *pemKeyFilename);
TPM_RC convertRsaPrivateKeyBinToPrivate(TPM2B_PRIVATE *objectPrivate,
TPM2B_SENSITIVE *objectSensitive,
int privateKeyBytes,
uint8_t *privateKeyBin,
const char *password);
TPM_RC convertRsaPublicKeyBinToPublic(TPM2B_PUBLIC *objectPublic,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
int modulusBytes,
uint8_t *modulusBin);
TPM_RC convertPublicToPEM(const TPM2B_PUBLIC *public,
const char *pemFilename);
TPM_RC signRSAFromRSA(uint8_t *signature, size_t *signatureLength,
size_t signatureSize,
const uint8_t *digest, size_t digestLength,
TPMI_ALG_HASH hashAlg,
void *rsaKey);
TPM_RC verifySignatureFromPem(unsigned char *message,
unsigned int messageSize,
TPMT_SIGNATURE *tSignature,
TPMI_ALG_HASH halg,
const char *pemFilename);
TPM_RC verifyRSASignatureFromRSA(unsigned char *message,
unsigned int messageSize,
TPMT_SIGNATURE *tSignature,
TPMI_ALG_HASH halg,
void *rsaPubKey);
TPM_RC verifySignatureFromHmacKey(unsigned char *message,
unsigned int messageSize,
TPMT_SIGNATURE *tSignature,
TPMI_ALG_HASH halg,
const char *hmacKeyFilename);
TPM_RC convertRsaBinToTSignature(TPMT_SIGNATURE *tSignature,
TPMI_ALG_HASH halg,
uint8_t *signatureBin,
size_t signatureBinLen);
/* Some OpenSSL builds do not include ECC */
#ifndef TPM_TSS_NOECC
TPM_RC convertEcPemToKeyPair(TPM2B_PUBLIC *objectPublic,
TPM2B_PRIVATE *objectPrivate,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
const char *pemKeyFilename,
const char *password);
TPM_RC convertEcPemToPublic(TPM2B_PUBLIC *objectPublic,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
const char *pemKeyFilename);
TPM_RC convertEcDerToKeyPair(TPM2B_PUBLIC *objectPublic,
TPM2B_SENSITIVE *objectSensitive,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
const char *derKeyFilename,
const char *password);
TPM_RC convertEcDerToPublic(TPM2B_PUBLIC *objectPublic,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
const char *derKeyFilename);
TPM_RC convertEcPrivateKeyBinToPrivate(TPM2B_PRIVATE *objectPrivate,
TPM2B_SENSITIVE *objectSensitive,
int privateKeyBytes,
uint8_t *privateKeyBin,
const char *password);
TPM_RC convertEcBinToTSignature(TPMT_SIGNATURE *tSignature,
TPMI_ALG_HASH halg,
const uint8_t *signatureBin,
size_t signatureBinLen);
#endif /* TPM_TSS_NOECC */
/*
OpenSSL specific functions
These are not intended for general use.
*/
#ifndef TPM_TSS_NO_OPENSSL
/* Some functions add const to parameters as of openssl 1.1.0 */
#if OPENSSL_VERSION_NUMBER < 0x10100000
#define OSSLCONST
#else
#define OSSLCONST const
#endif
#if OPENSSL_VERSION_NUMBER < 0x10100000
int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s);
void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps);
const X509_ALGOR *X509_get0_tbs_sigalg(const X509 *x);
void RSA_get0_key(const RSA *rsaKey,
const BIGNUM **n,
const BIGNUM **e,
const BIGNUM **d);
void RSA_get0_factors(const RSA *rsaKey,
const BIGNUM **p,
const BIGNUM **q);
#endif /* pre openssl 1.1 */
#if OPENSSL_VERSION_NUMBER < 0x10002000
void X509_get0_signature(OSSLCONST ASN1_BIT_STRING **psig,
OSSLCONST X509_ALGOR **palg, const X509 *x);
#endif /* pre openssl 1.0.2 */
TPM_RC convertPemToEvpPrivKey(EVP_PKEY **evpPkey,
const char *pemKeyFilename,
const char *password);
TPM_RC convertPemToEvpPubKey(EVP_PKEY **evpPkey,
const char *pemKeyFilename);
TPM_RC convertEvpPubkeyToPem(EVP_PKEY *evpPubkey,
const char *pemFilename);
TPM_RC convertBin2Bn(BIGNUM **bn,
const unsigned char *bin,
unsigned int bytes);
TPM_RC convertEvpPkeyToRsakey(RSA **rsaKey,
EVP_PKEY *evpPkey);
TPM_RC convertRsaKeyToPrivateKeyBin(int *privateKeyBytes,
uint8_t **privateKeyBin,
const RSA *rsaKey);
TPM_RC convertRsaKeyToPrivate(TPM2B_PRIVATE *objectPrivate,
TPM2B_SENSITIVE *objectSensitive,
RSA *rsaKey,
const char *password);
TPM_RC getRsaKeyParts(const BIGNUM **n,
const BIGNUM **e,
const BIGNUM **d,
const BIGNUM **p,
const BIGNUM **q,
const RSA *rsaKey);
int getRsaPubkeyAlgorithm(EVP_PKEY *pkey);
TPM_RC convertRsaPublicToEvpPubKey(EVP_PKEY **evpPubkey,
const TPM2B_PUBLIC_KEY_RSA *tpm2bRsa);
TPM_RC verifyRSASignatureFromEvpPubKey(unsigned char *message,
unsigned int messageSize,
TPMT_SIGNATURE *tSignature,
TPMI_ALG_HASH halg,
EVP_PKEY *evpPkey);
#ifndef TPM_TSS_NOECC
TPM_RC convertEvpPkeyToEckey(EC_KEY **ecKey,
EVP_PKEY *evpPkey);
TPM_RC convertEcKeyToPrivateKeyBin(int *privateKeyBytes,
uint8_t **privateKeyBin,
const EC_KEY *ecKey);
TPM_RC convertEcKeyToPublicKeyBin(int *modulusBytes,
uint8_t **modulusBin,
const EC_KEY *ecKey);
TPM_RC convertEcPublicKeyBinToPublic(TPM2B_PUBLIC *objectPublic,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
TPMI_ECC_CURVE curveID,
int modulusBytes,
uint8_t *modulusBin);
TPM_RC convertEcKeyToPrivate(TPM2B_PRIVATE *objectPrivate,
TPM2B_SENSITIVE *objectSensitive,
EC_KEY *ecKey,
const char *password);
TPM_RC convertEcKeyToPublic(TPM2B_PUBLIC *objectPublic,
int keyType,
TPMI_ALG_SIG_SCHEME scheme,
TPMI_ALG_HASH nalg,
TPMI_ALG_HASH halg,
EC_KEY *ecKey);
TPM_RC convertEcPublicToEvpPubKey(EVP_PKEY **evpPubkey,
const TPMS_ECC_POINT *tpmsEccPoint);
TPM_RC verifyEcSignatureFromEvpPubKey(unsigned char *message,
unsigned int messageSize,
TPMT_SIGNATURE *tSignature,
EVP_PKEY *evpPkey);
TPM_RC getEcCurve(TPMI_ECC_CURVE *curveID,
const EC_KEY *ecKey);
#endif /* TPM_TSS_NOECC */
#endif /* TPM_TSS_NO_OPENSSL */
/*
mbedtls specific functions
These are not intended for general use, but are used by ekutils.c
*/
#ifdef TPM_TSS_MBEDTLS
TPM_RC convertPkToRsaKey(mbedtls_rsa_context **rsaCtx,
mbedtls_pk_context *pkCtx);
TPM_RC convertPkToEckey(mbedtls_ecp_keypair **ecCtx,
mbedtls_pk_context *pkCtx);
TPM_RC convertEcKeyToPublicKeyXYBin(size_t *xBytes,
uint8_t **xBin,
size_t *yBytes,
uint8_t **yBin,
mbedtls_ecp_keypair *ecKp);
#endif /* TPM_TSS_MBEDTLS */
#ifdef __cplusplus
}
#endif
#endif
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