Split up X509 files into smaller modules
diff --git a/include/polarssl/x509_crl.h b/include/polarssl/x509_crl.h
new file mode 100644
index 0000000..bae8182
--- /dev/null
+++ b/include/polarssl/x509_crl.h
@@ -0,0 +1,151 @@
+/**
+ * \file x509_crl.h
+ *
+ * \brief X.509 certificate revocation list parsing
+ *
+ * Copyright (C) 2006-2013, Brainspark B.V.
+ *
+ * This file is part of PolarSSL (http://www.polarssl.org)
+ * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef POLARSSL_X509_CRL_H
+#define POLARSSL_X509_CRL_H
+
+#include "config.h"
+
+#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 _x509_crl_entry
+{
+ x509_buf raw;
+
+ x509_buf serial;
+
+ x509_time revocation_date;
+
+ x509_buf entry_ext;
+
+ struct _x509_crl_entry *next;
+}
+x509_crl_entry;
+
+/**
+ * Certificate revocation list structure.
+ * Every CRL may have multiple entries.
+ */
+typedef struct _x509_crl
+{
+ x509_buf raw; /**< The raw certificate data (DER). */
+ x509_buf tbs; /**< The raw certificate body (DER). The part that is To Be Signed. */
+
+ int version;
+ x509_buf sig_oid1;
+
+ x509_buf issuer_raw; /**< The raw issuer data (DER). */
+
+ x509_name issuer; /**< The parsed issuer data (named information object). */
+
+ x509_time this_update;
+ x509_time next_update;
+
+ x509_crl_entry entry; /**< The CRL entries containing the certificate revocation times for this CA. */
+
+ x509_buf crl_ext;
+
+ x509_buf sig_oid2;
+ x509_buf sig;
+ md_type_t sig_md; /**< Internal representation of the MD algorithm of the signature algorithm, e.g. POLARSSL_MD_SHA256 */
+ pk_type_t sig_pk /**< Internal representation of the Public Key algorithm of the signature algorithm, e.g. POLARSSL_PK_RSA */;
+
+ struct _x509_crl *next;
+}
+x509_crl;
+
+/**
+ * \brief Parse one or more CRLs and add them
+ * to the chained list
+ *
+ * \param chain points to the start of the chain
+ * \param buf buffer holding the CRL data
+ * \param buflen size of the buffer
+ *
+ * \return 0 if successful, or a specific X509 or PEM error code
+ */
+int x509parse_crl( x509_crl *chain, const unsigned char *buf, size_t buflen );
+
+#if defined(POLARSSL_FS_IO)
+/**
+ * \brief Load one or more CRLs and add them
+ * to the chained list
+ *
+ * \param chain points to the start of the chain
+ * \param path filename to read the CRLs from
+ *
+ * \return 0 if successful, or a specific X509 or PEM error code
+ */
+int x509parse_crlfile( x509_crl *chain, const char *path );
+#endif /* POLARSSL_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 amount of data written to the buffer, or -1 in
+ * case of an error.
+ */
+int x509parse_crl_info( char *buf, size_t size, const char *prefix,
+ const x509_crl *crl );
+
+/**
+ * \brief Unallocate all CRL data
+ *
+ * \param crl CRL chain to free
+ */
+void x509_crl_free( x509_crl *crl );
+
+/* \} name */
+/* \} addtogroup x509_module */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* x509_crl.h */
