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a48e284317
There were some fixes back on March 13th, 2014 for fixing compiling on MIPS64. Also some fixes on June 25th, 2014 for SPARC64 fixes. Probably more things, but those are what I care about.
296 lines
9.3 KiB
C
296 lines
9.3 KiB
C
/**
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* \file x509_csr.h
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*
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* \brief X.509 certificate signing request parsing and writing
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*
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* Copyright (C) 2006-2014, 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 POLARSSL_X509_CSR_H
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#define POLARSSL_X509_CSR_H
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#if !defined(POLARSSL_CONFIG_FILE)
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#include "config.h"
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#else
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#include POLARSSL_CONFIG_FILE
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#endif
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#include "x509.h"
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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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* \addtogroup x509_module
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* \{ */
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/**
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* \name Structures and functions for X.509 Certificate Signing Requests (CSR)
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* \{
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*/
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/**
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* Certificate Signing Request (CSR) structure.
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*/
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typedef struct _x509_csr
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{
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x509_buf raw; /**< The raw CSR data (DER). */
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x509_buf cri; /**< The raw CertificateRequestInfo body (DER). */
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int version; /**< CSR version (1=v1). */
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x509_buf subject_raw; /**< The raw subject data (DER). */
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x509_name subject; /**< The parsed subject data (named information object). */
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pk_context pk; /**< Container for the public key context. */
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x509_buf sig_oid;
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x509_buf sig;
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md_type_t sig_md; /**< Internal representation of the MD algorithm of the signature algorithm, e.g. POLARSSL_MD_SHA256 */
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pk_type_t sig_pk; /**< Internal representation of the Public Key algorithm of the signature algorithm, e.g. POLARSSL_PK_RSA */
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void *sig_opts; /**< Signature options to be passed to pk_verify_ext(), e.g. for RSASSA-PSS */
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}
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x509_csr;
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/**
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* Container for writing a CSR
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*/
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typedef struct _x509write_csr
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{
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pk_context *key;
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asn1_named_data *subject;
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md_type_t md_alg;
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asn1_named_data *extensions;
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}
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x509write_csr;
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#if defined(POLARSSL_X509_CSR_PARSE_C)
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/**
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* \brief Load a Certificate Signing Request (CSR) in DER format
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*
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* \param csr CSR context to fill
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* \param buf buffer holding the CRL data
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* \param buflen size of the buffer
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*
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* \return 0 if successful, or a specific X509 error code
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*/
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int x509_csr_parse_der( x509_csr *csr,
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const unsigned char *buf, size_t buflen );
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/**
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* \brief Load a Certificate Signing Request (CSR), DER or PEM format
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*
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* \param csr CSR context to fill
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* \param buf buffer holding the CRL data
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* \param buflen size of the buffer
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*
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* \return 0 if successful, or a specific X509 or PEM error code
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*/
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int x509_csr_parse( x509_csr *csr, const unsigned char *buf, size_t buflen );
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#if defined(POLARSSL_FS_IO)
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/**
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* \brief Load a Certificate Signing Request (CSR)
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*
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* \param csr CSR context to fill
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* \param path filename to read the CSR from
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*
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* \return 0 if successful, or a specific X509 or PEM error code
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*/
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int x509_csr_parse_file( x509_csr *csr, const char *path );
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#endif /* POLARSSL_FS_IO */
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/**
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* \brief Returns an informational string about the
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* CSR.
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*
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* \param buf Buffer to write to
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* \param size Maximum size of buffer
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* \param prefix A line prefix
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* \param csr The X509 CSR to represent
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*
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* \return The length of the string written (exluding the terminating
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* null byte), or a negative value in case of an error.
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*/
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int x509_csr_info( char *buf, size_t size, const char *prefix,
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const x509_csr *csr );
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/**
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* \brief Initialize a CSR
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*
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* \param csr CSR to initialize
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*/
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void x509_csr_init( x509_csr *csr );
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/**
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* \brief Unallocate all CSR data
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*
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* \param csr CSR to free
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*/
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void x509_csr_free( x509_csr *csr );
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#endif /* POLARSSL_X509_CSR_PARSE_C */
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/* \} name */
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/* \} addtogroup x509_module */
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#if defined(POLARSSL_X509_CSR_WRITE_C)
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/**
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* \brief Initialize a CSR context
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*
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* \param ctx CSR context to initialize
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*/
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void x509write_csr_init( x509write_csr *ctx );
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/**
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* \brief Set the subject name for a CSR
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* Subject names should contain a comma-separated list
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* of OID types and values:
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* e.g. "C=NL,O=Offspark,CN=PolarSSL Server 1"
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*
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* \param ctx CSR context to use
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* \param subject_name subject name to set
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*
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* \return 0 if subject name was parsed successfully, or
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* a specific error code
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*/
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int x509write_csr_set_subject_name( x509write_csr *ctx,
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const char *subject_name );
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/**
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* \brief Set the key for a CSR (public key will be included,
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* private key used to sign the CSR when writing it)
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*
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* \param ctx CSR context to use
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* \param key Asymetric key to include
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*/
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void x509write_csr_set_key( x509write_csr *ctx, pk_context *key );
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/**
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* \brief Set the MD algorithm to use for the signature
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* (e.g. POLARSSL_MD_SHA1)
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*
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* \param ctx CSR context to use
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* \param md_alg MD algorithm to use
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*/
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void x509write_csr_set_md_alg( x509write_csr *ctx, md_type_t md_alg );
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/**
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* \brief Set the Key Usage Extension flags
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* (e.g. KU_DIGITAL_SIGNATURE | KU_KEY_CERT_SIGN)
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*
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* \param ctx CSR context to use
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* \param key_usage key usage flags to set
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*
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* \return 0 if successful, or POLARSSL_ERR_X509WRITE_MALLOC_FAILED
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*/
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int x509write_csr_set_key_usage( x509write_csr *ctx, unsigned char key_usage );
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/**
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* \brief Set the Netscape Cert Type flags
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* (e.g. NS_CERT_TYPE_SSL_CLIENT | NS_CERT_TYPE_EMAIL)
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*
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* \param ctx CSR context to use
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* \param ns_cert_type Netscape Cert Type flags to set
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*
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* \return 0 if successful, or POLARSSL_ERR_X509WRITE_MALLOC_FAILED
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*/
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int x509write_csr_set_ns_cert_type( x509write_csr *ctx,
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unsigned char ns_cert_type );
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/**
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* \brief Generic function to add to or replace an extension in the
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* CSR
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*
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* \param ctx CSR context to use
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* \param oid OID of the extension
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* \param oid_len length of the OID
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* \param val value of the extension OCTET STRING
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* \param val_len length of the value data
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*
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* \return 0 if successful, or a POLARSSL_ERR_X509WRITE_MALLOC_FAILED
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*/
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int x509write_csr_set_extension( x509write_csr *ctx,
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const char *oid, size_t oid_len,
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const unsigned char *val, size_t val_len );
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/**
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* \brief Free the contents of a CSR context
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*
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* \param ctx CSR context to free
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*/
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void x509write_csr_free( x509write_csr *ctx );
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/**
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* \brief Write a CSR (Certificate Signing Request) to a
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* DER structure
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* Note: data is written at the end of the buffer! Use the
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* return value to determine where you should start
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* using the buffer
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*
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* \param ctx CSR to write away
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* \param buf buffer to write to
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* \param size size of the buffer
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* \param f_rng RNG function (for signature, see note)
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* \param p_rng RNG parameter
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*
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* \return length of data written if successful, or a specific
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* error code
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*
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* \note f_rng may be NULL if RSA is used for signature and the
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* signature is made offline (otherwise f_rng is desirable
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* for countermeasures against timing attacks).
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* ECDSA signatures always require a non-NULL f_rng.
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*/
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int x509write_csr_der( x509write_csr *ctx, unsigned char *buf, size_t size,
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int (*f_rng)(void *, unsigned char *, size_t),
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void *p_rng );
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#if defined(POLARSSL_PEM_WRITE_C)
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/**
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* \brief Write a CSR (Certificate Signing Request) to a
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* PEM string
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*
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* \param ctx CSR to write away
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* \param buf buffer to write to
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* \param size size of the buffer
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* \param f_rng RNG function (for signature, see note)
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* \param p_rng RNG parameter
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*
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* \return 0 successful, or a specific error code
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*
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* \note f_rng may be NULL if RSA is used for signature and the
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* signature is made offline (otherwise f_rng is desirable
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* for couermeasures against timing attacks).
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* ECDSA signatures always require a non-NULL f_rng.
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*/
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int x509write_csr_pem( x509write_csr *ctx, unsigned char *buf, size_t size,
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int (*f_rng)(void *, unsigned char *, size_t),
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void *p_rng );
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#endif /* POLARSSL_PEM_WRITE_C */
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#endif /* POLARSSL_X509_CSR_WRITE_C */
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#ifdef __cplusplus
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}
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#endif
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#endif /* x509_csr.h */
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