der.h

00001 /*************************************************/
00002 /* File: der.h                                   */
00003 /* Description: list of definitions and exported */
00004 /*   objects by coding.c and decoding.c          */
00005 /*************************************************/
00006 
00007 #ifndef _DER_H
00008 #define _DER_H
00009 
00010 
00011 #define UNIVERSAL        0x00
00012 #define APPLICATION      0x40
00013 #define CONTEXT_SPECIFIC 0x80
00014 #define PRIVATE          0xC0
00015 #define STRUCTURED       0x20
00016 
00017 
00018 #define TAG_BOOLEAN          0x01
00019 #define TAG_INTEGER          0x02
00020 #define TAG_SEQUENCE         0x10
00021 #define TAG_SET              0x11
00022 #define TAG_OCTET_STRING     0x04
00023 #define TAG_BIT_STRING       0x03
00024 #define TAG_UTCTime          0x17
00025 #define TAG_GENERALIZEDTime  0x18
00026 #define TAG_OBJECT_ID        0x06
00027 #define TAG_ENUMERATED       0x0A
00028 #define TAG_NULL             0x05
00029 #define TAG_GENERALSTRING    0x1B
00030 
00031 int _asn1_get_tag_der(const unsigned char *der, int der_len,
00032                 unsigned char *class,int  *len, unsigned long *tag);
00033 
00034 void _asn1_octet_der(const unsigned char *str,int str_len,
00035                      unsigned char *der,int *der_len);
00036 
00037 asn1_retCode _asn1_get_octet_der(const unsigned char *der, int der_len,
00038                 int *ret_len,unsigned char *str,int str_size, int *str_len);
00039 
00040 void _asn1_bit_der(const unsigned char *str,int bit_len,
00041                    unsigned char *der,int *der_len);
00042 
00043 asn1_retCode _asn1_get_bit_der(const unsigned char *der, int der_len,
00044                 int *ret_len,unsigned char *str, int str_size, 
00045                 int *bit_len);
00046 
00047 signed long _asn1_get_length_der(const unsigned char *der,int der_len, int  *len);
00048 
00049 void _asn1_length_der(unsigned long len,unsigned char *ans,int *ans_len);
00050 
00051 
00052 #endif
00053 
00054 
00055 
00056 
00057