/* Copyright (c) 2005-2007 Apple Inc. All Rights Reserved. */ /* * libDER_config.h - platform dependent #defines and typedefs for libDER * * Created Nov. 4 2005 by dmitch */ #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 2 #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_ */