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Diff: include/mbedtls/x509_crl.h
- Revision:
- 0:cdf462088d13
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/include/mbedtls/x509_crl.h Thu Jan 05 00:18:44 2017 +0000 @@ -0,0 +1,173 @@ +/** + * \file x509_crl.h + * + * \brief X.509 certificate revocation list parsing + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ +#ifndef MBEDTLS_X509_CRL_H +#define MBEDTLS_X509_CRL_H + +#if !defined(MBEDTLS_CONFIG_FILE) +#include "config.h" +#else +#include MBEDTLS_CONFIG_FILE +#endif + +#include "x509.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \addtogroup x509_module + * \{ */ + +/** + * \name Structures and functions for parsing CRLs + * \{ + */ + +/** + * Certificate revocation list entry. + * Contains the CA-specific serial numbers and revocation dates. + */ +typedef struct mbedtls_x509_crl_entry +{ + mbedtls_x509_buf raw; + + mbedtls_x509_buf serial; + + mbedtls_x509_time revocation_date; + + mbedtls_x509_buf entry_ext; + + struct mbedtls_x509_crl_entry *next; +} +mbedtls_x509_crl_entry; + +/** + * Certificate revocation list structure. + * Every CRL may have multiple entries. + */ +typedef struct mbedtls_x509_crl +{ + mbedtls_x509_buf raw; /**< The raw certificate data (DER). */ + mbedtls_x509_buf tbs; /**< The raw certificate body (DER). The part that is To Be Signed. */ + + int version; /**< CRL version (1=v1, 2=v2) */ + mbedtls_x509_buf sig_oid; /**< CRL signature type identifier */ + + mbedtls_x509_buf issuer_raw; /**< The raw issuer data (DER). */ + + mbedtls_x509_name issuer; /**< The parsed issuer data (named information object). */ + + mbedtls_x509_time this_update; + mbedtls_x509_time next_update; + + mbedtls_x509_crl_entry entry; /**< The CRL entries containing the certificate revocation times for this CA. */ + + mbedtls_x509_buf crl_ext; + + mbedtls_x509_buf sig_oid2; + mbedtls_x509_buf sig; + mbedtls_md_type_t sig_md; /**< Internal representation of the MD algorithm of the signature algorithm, e.g. MBEDTLS_MD_SHA256 */ + mbedtls_pk_type_t sig_pk; /**< Internal representation of the Public Key algorithm of the signature algorithm, e.g. MBEDTLS_PK_RSA */ + void *sig_opts; /**< Signature options to be passed to mbedtls_pk_verify_ext(), e.g. for RSASSA-PSS */ + + struct mbedtls_x509_crl *next; +} +mbedtls_x509_crl; + +/** + * \brief Parse a DER-encoded CRL and append it to the chained list + * + * \param chain points to the start of the chain + * \param buf buffer holding the CRL data in DER format + * \param buflen size of the buffer + * (including the terminating null byte for PEM data) + * + * \return 0 if successful, or a specific X509 or PEM error code + */ +int mbedtls_x509_crl_parse_der( mbedtls_x509_crl *chain, + const unsigned char *buf, size_t buflen ); +/** + * \brief Parse one or more CRLs and append them to the chained list + * + * \note Mutliple CRLs are accepted only if using PEM format + * + * \param chain points to the start of the chain + * \param buf buffer holding the CRL data in PEM or DER format + * \param buflen size of the buffer + * (including the terminating null byte for PEM data) + * + * \return 0 if successful, or a specific X509 or PEM error code + */ +int mbedtls_x509_crl_parse( mbedtls_x509_crl *chain, const unsigned char *buf, size_t buflen ); + +#if defined(MBEDTLS_FS_IO) +/** + * \brief Load one or more CRLs and append them to the chained list + * + * \note Mutliple CRLs are accepted only if using PEM format + * + * \param chain points to the start of the chain + * \param path filename to read the CRLs from (in PEM or DER encoding) + * + * \return 0 if successful, or a specific X509 or PEM error code + */ +int mbedtls_x509_crl_parse_file( mbedtls_x509_crl *chain, const char *path ); +#endif /* MBEDTLS_FS_IO */ + +/** + * \brief Returns an informational string about the CRL. + * + * \param buf Buffer to write to + * \param size Maximum size of buffer + * \param prefix A line prefix + * \param crl The X509 CRL to represent + * + * \return The length of the string written (not including the + * terminated nul byte), or a negative error code. + */ +int mbedtls_x509_crl_info( char *buf, size_t size, const char *prefix, + const mbedtls_x509_crl *crl ); + +/** + * \brief Initialize a CRL (chain) + * + * \param crl CRL chain to initialize + */ +void mbedtls_x509_crl_init( mbedtls_x509_crl *crl ); + +/** + * \brief Unallocate all CRL data + * + * \param crl CRL chain to free + */ +void mbedtls_x509_crl_free( mbedtls_x509_crl *crl ); + +/* \} name */ +/* \} addtogroup x509_module */ + +#ifdef __cplusplus +} +#endif + +#endif /* mbedtls_x509_crl.h */