asn1_node.c File Reference

ASN1 NODE用ライブラリ More...

#include "asn1_node.h"

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Functions
void	asn1_id_type (int id, int *type, int *cnst, int *tag)
void	asn1_print_id (FILE *fp, int id)
void	asn1_print_tag_value (FILE *fp, int id, Buffer buf)

Variables
const char *	_ASN1_NODE_CLASS []
const char *	_ASN1_NODE_CONST []
const char *	_ASN1_NODE_TAG []

Detailed Description

Author

Fumi.Iseki (C)

Definition in file asn1_node.c.

Function Documentation

asn1_id_type()

void asn1_id_type	(	int	id,
		int *	type,
		int *	cnst,
		int *	tag
	)

Definition at line 63 of file asn1_node.c.

{
    if (cnst!=NULL) {
        if (id & JBXL_ASN1_CNSTRCTD) *cnst = 1;   // Constructed
        else *cnst = 0;
    }
    if (type!=NULL) *type = (id & 0xc0) >> 6;     // Class Type
    if (tag!=NULL)  *tag  = id & 0x1f;            // Tag
 
    return;
}

References JBXL_ASN1_CNSTRCTD.

Referenced by asn1_print_id().

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asn1_print_id()

void asn1_print_id	(	FILE *	fp,
		int	id
	)

Definition at line 76 of file asn1_node.c.

{
    int cnst, type, tag;
 
    asn1_id_type(id, &type, &cnst, &tag);
 
    fprintf(fp, "[%02x] ", id);                                 // Identifier data
    fprintf(fp, "%s ", _ASN1_NODE_CLASS[type]);                 // Class
    fprintf(fp, "%s ", _ASN1_NODE_CONST[cnst]);                 // Primitive/Constructed
    if (type==0x00) fprintf(fp, "%s ", _ASN1_NODE_TAG[tag]);    // Tag: if Class is UNIVERSAL
    else fprintf(fp, "(%02x) ", tag);                          // 
 
    return;
}

References _ASN1_NODE_CLASS, _ASN1_NODE_CONST, _ASN1_NODE_TAG, and asn1_id_type().

Referenced by print_tDER().

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asn1_print_tag_value()

void asn1_print_tag_value	(	FILE *	fp,
		int	id,
		Buffer	buf
	)

Definition at line 92 of file asn1_node.c.

{
    if (buf.vldsz<=0) return;
 
    fprintf(fp, ": ");
 
    int tag = id & 0x1f;
    if (tag==JBXL_ASN1_INT) {
        long int n = bin2int_DER(buf);
        fprintf(fp, "INT = %ld ", n);
    }
    else if (tag==JBXL_ASN1_OCT) {
        if (buf.buf!=NULL) fprintf(fp, "\"%s\" ", buf.buf);
        else               fprintf(fp, "\"\" ");
    }
    else if (buf.buf!=NULL) {               // その他
        fprintf(fp, "....... ");
    }
    return;
}

References bin2int_DER(), buf, JBXL_ASN1_INT, and JBXL_ASN1_OCT.

Referenced by print_tDER().

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Variable Documentation

_ASN1_NODE_CLASS

const char* _ASN1_NODE_CLASS[]

Initial value:

= 
{
    "UNIVERSAL",            
    "APPLICATION",          
    "CONTEXT-DEFINED",      
    "PRIVATE"               
}

Definition at line 10 of file asn1_node.c.

Referenced by asn1_print_id().

_ASN1_NODE_CONST

const char* _ASN1_NODE_CONST[]

Initial value:

= 
{
    "PRIMITIVE",            
    "CONSTRUCTED"           
}

Definition at line 19 of file asn1_node.c.

Referenced by asn1_print_id().

_ASN1_NODE_TAG

const char* _ASN1_NODE_TAG[]

Definition at line 26 of file asn1_node.c.

Referenced by asn1_print_id().