201 lines
6.4 KiB
C++
201 lines
6.4 KiB
C++
/**
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* \file pkcs11.h
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*
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* \brief Wrapper for PKCS#11 library libpkcs11-helper
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*
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* \author Adriaan de Jong <dejong@fox-it.com>
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*
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* This file is provided under the Apache License 2.0, or the
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* GNU General Public License v2.0 or later.
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*
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* **********
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* Apache License 2.0:
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* **********
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*
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* **********
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* GNU General Public License v2.0 or later:
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* **********
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*/
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#ifndef MBEDTLS_PKCS11_H
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#define MBEDTLS_PKCS11_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#if defined(MBEDTLS_PKCS11_C)
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#include "x509_crt.h"
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#include <pkcs11-helper-1.0/pkcs11h-certificate.h>
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#if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
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!defined(inline) && !defined(__cplusplus)
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#define inline __inline
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Context for PKCS #11 private keys.
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*/
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typedef struct mbedtls_pkcs11_context
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{
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pkcs11h_certificate_t pkcs11h_cert;
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int len;
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} mbedtls_pkcs11_context;
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/**
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* Initialize a mbedtls_pkcs11_context.
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* (Just making memory references valid.)
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*/
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void mbedtls_pkcs11_init( mbedtls_pkcs11_context *ctx );
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/**
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* Fill in a mbed TLS certificate, based on the given PKCS11 helper certificate.
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*
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* \param cert X.509 certificate to fill
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* \param pkcs11h_cert PKCS #11 helper certificate
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*
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* \return 0 on success.
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*/
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int mbedtls_pkcs11_x509_cert_bind( mbedtls_x509_crt *cert, pkcs11h_certificate_t pkcs11h_cert );
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/**
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* Set up a mbedtls_pkcs11_context storing the given certificate. Note that the
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* mbedtls_pkcs11_context will take over control of the certificate, freeing it when
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* done.
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*
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* \param priv_key Private key structure to fill.
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* \param pkcs11_cert PKCS #11 helper certificate
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*
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* \return 0 on success
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*/
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int mbedtls_pkcs11_priv_key_bind( mbedtls_pkcs11_context *priv_key,
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pkcs11h_certificate_t pkcs11_cert );
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/**
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* Free the contents of the given private key context. Note that the structure
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* itself is not freed.
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*
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* \param priv_key Private key structure to cleanup
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*/
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void mbedtls_pkcs11_priv_key_free( mbedtls_pkcs11_context *priv_key );
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/**
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* \brief Do an RSA private key decrypt, then remove the message
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* padding
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*
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* \param ctx PKCS #11 context
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* \param mode must be MBEDTLS_RSA_PRIVATE, for compatibility with rsa.c's signature
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* \param input buffer holding the encrypted data
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* \param output buffer that will hold the plaintext
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* \param olen will contain the plaintext length
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* \param output_max_len maximum length of the output buffer
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*
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* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
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*
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* \note The output buffer must be as large as the size
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* of ctx->N (eg. 128 bytes if RSA-1024 is used) otherwise
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* an error is thrown.
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*/
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int mbedtls_pkcs11_decrypt( mbedtls_pkcs11_context *ctx,
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int mode, size_t *olen,
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const unsigned char *input,
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unsigned char *output,
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size_t output_max_len );
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/**
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* \brief Do a private RSA to sign a message digest
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*
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* \param ctx PKCS #11 context
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* \param mode must be MBEDTLS_RSA_PRIVATE, for compatibility with rsa.c's signature
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* \param md_alg a MBEDTLS_MD_XXX (use MBEDTLS_MD_NONE for signing raw data)
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* \param hashlen message digest length (for MBEDTLS_MD_NONE only)
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* \param hash buffer holding the message digest
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* \param sig buffer that will hold the ciphertext
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*
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* \return 0 if the signing operation was successful,
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* or an MBEDTLS_ERR_RSA_XXX error code
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*
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* \note The "sig" buffer must be as large as the size
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* of ctx->N (eg. 128 bytes if RSA-1024 is used).
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*/
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int mbedtls_pkcs11_sign( mbedtls_pkcs11_context *ctx,
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int mode,
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mbedtls_md_type_t md_alg,
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unsigned int hashlen,
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const unsigned char *hash,
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unsigned char *sig );
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/**
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* SSL/TLS wrappers for PKCS#11 functions
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*/
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static inline int mbedtls_ssl_pkcs11_decrypt( void *ctx, int mode, size_t *olen,
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const unsigned char *input, unsigned char *output,
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size_t output_max_len )
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{
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return mbedtls_pkcs11_decrypt( (mbedtls_pkcs11_context *) ctx, mode, olen, input, output,
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output_max_len );
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}
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static inline int mbedtls_ssl_pkcs11_sign( void *ctx,
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int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
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int mode, mbedtls_md_type_t md_alg, unsigned int hashlen,
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const unsigned char *hash, unsigned char *sig )
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{
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((void) f_rng);
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((void) p_rng);
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return mbedtls_pkcs11_sign( (mbedtls_pkcs11_context *) ctx, mode, md_alg,
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hashlen, hash, sig );
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}
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static inline size_t mbedtls_ssl_pkcs11_key_len( void *ctx )
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{
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return ( (mbedtls_pkcs11_context *) ctx )->len;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* MBEDTLS_PKCS11_C */
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#endif /* MBEDTLS_PKCS11_H */
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