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/*
* Copyright (c) 2005-2007,2011-2012,2014 Apple Inc. All Rights Reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/*
* libDER_config.h - platform dependent #defines and typedefs for libDER
*
*/
#ifndef _LIB_DER_CONFIG_H_
#define _LIB_DER_CONFIG_H_
#include <stdint.h>
#include <string.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Basic data types: unsigned 8-bit integer, unsigned 32-bit integer
*/
typedef uint8_t DERByte;
typedef uint16_t DERShort;
typedef uint32_t DERSize;
/*
* Use these #defines of you have memset, memmove, and memcmp; else
* write your own equivalents.
*/
#define DERMemset(ptr, c, len) memset(ptr, c, len)
#define DERMemmove(dst, src, len) memmove(dst, src, len)
#define DERMemcmp(b1, b2, len) memcmp(b1, b2, len)
/***
*** Compile time options to trim size of the library.
***/
/* enable general DER encode */
#define DER_ENCODE_ENABLE 1
/* enable general DER decode */
#define DER_DECODE_ENABLE 1
#ifndef DER_MULTIBYTE_TAGS
/* enable multibyte tag support. */
#define DER_MULTIBYTE_TAGS 1
#endif
#ifndef DER_TAG_SIZE
/* Iff DER_MULTIBYTE_TAGS is 1 this is the sizeof(DERTag) in bytes. Note that
tags are still encoded and decoded from a minimally encoded DER
represantation. This value determines how big each DERItemSpecs is, we
choose 2 since that makes DERItemSpecs 8 bytes wide. */
#define DER_TAG_SIZE 8
#endif
/* ---------------------- Do not edit below this line ---------------------- */
/*
* Logical representation of a tag (the encoded representation is always in
* the minimal number of bytes). The top 3 bits encode class and method
* The remaining bits encode the tag value. To obtain smaller DERItemSpecs
* sizes, choose the smallest type that fits your needs. Most standard ASN.1
* usage only needs single byte tags, but ocasionally custom applications
* require a larger tag namespace.
*/
#if DER_MULTIBYTE_TAGS
#if DER_TAG_SIZE == 1
typedef uint8_t DERTag;
#elif DER_TAG_SIZE == 2
typedef uint16_t DERTag;
#elif DER_TAG_SIZE == 4
typedef uint32_t DERTag;
#elif DER_TAG_SIZE == 8
typedef uint64_t DERTag;
#else
#error DER_TAG_SIZE invalid
#endif
#else /* DER_MULTIBYTE_TAGS */
typedef DERByte DERTag;
#endif /* !DER_MULTIBYTE_TAGS */
#ifdef __cplusplus
}
#endif
#endif /* _LIB_DER_CONFIG_H_ */
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