SC_ASN1_READ_TAG

Section: OpenSC API reference (3)
Updated: 08/27/2008
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NAME

sc_asn1_read_tag - Extract a tag from an ASN.1 entry  

SYNOPSIS

#include <opensc.h>

int sc_asn1_read_tag(const unsigned char **buf, size_t buflen,
                     unsigned int *cla_out, unsigned int *tag_out, size_t *taglen);
                

 

DESCRIPTION

This function extracts a tag from an ASN.1 entry at the buffer pointed to by the pointer in buf. The buffer is buflen bytes long. The tag class will be stored in cla_out, the tag itself in tag_out, and the length of the extracted tag in tag_len.  

RETURN VALUE

Returns 1 if successful, or -1 in case of error.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE

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