127 lines
4.2 KiB
C
127 lines
4.2 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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* Copyright (C) 2006-2010, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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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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#ifndef PKCS11_H_
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#define PKCS11_H_
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#include "config.h"
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#if defined(POLARSSL_PKCS11_C)
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#include "x509.h"
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#include <pkcs11-helper-1.0/pkcs11h-certificate.h>
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/**
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* Context for PKCS #11 private keys.
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*/
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typedef struct {
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pkcs11h_certificate_t pkcs11h_cert;
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int len;
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} pkcs11_context;
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/**
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* Fill in a PolarSSL 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 pkcs11_x509_cert_init( x509_cert *cert, pkcs11h_certificate_t pkcs11h_cert );
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/**
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* Initialise a pkcs11_context, storing the given certificate. Note that the
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* 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 pkcs11_priv_key_init( 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 pkcs11_priv_key_free( pkcs11_context *priv_key );
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/**
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* \brief Do an RSA private key decrypt, then remove the message padding
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*
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* \param ctx PKCS #11 context
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* \param mode must be 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 POLARSSL_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 pkcs11_decrypt( 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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unsigned int 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 RSA_PRIVATE, for compatibility with rsa.c's signature
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* \param hash_id SIG_RSA_RAW, SIG_RSA_MD{2,4,5} or SIG_RSA_SHA{1,224,256,384,512}
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* \param hashlen message digest length (for SIG_RSA_RAW 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 POLARSSL_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 pkcs11_sign( pkcs11_context *ctx,
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int mode,
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int hash_id,
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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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#endif /* POLARSSL_PKCS11_C */
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#endif /* PKCS11_H_ */
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