1asn1_get_tag_der(3)                libtasn1                asn1_get_tag_der(3)
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NAME

6       asn1_get_tag_der - API function
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SYNOPSIS

9       #include <libtasn1.h>
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11       int  asn1_get_tag_der(const  unsigned char * der, int der_len, unsigned
12       char * cls, int * len, unsigned long * tag);
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ARGUMENTS

15       const unsigned char * der
16                   DER data to decode.
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18       int der_len Length of DER data to decode.
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20       unsigned char * cls
21                   Output variable containing decoded class.
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23       int * len   Output variable containing the length of the DER TAG data.
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25       unsigned long * tag
26                   Output variable containing the decoded tag (may be NULL).
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DESCRIPTION

29       Decode the class and TAG from DER code.
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RETURNS

32       Returns ASN1_SUCCESS on success, or an error.
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35       Copyright © 2006-2022 Free Software Foundation, Inc..
36       Copying and distribution of this file, with  or  without  modification,
37       are  permitted in any medium without royalty provided the copyright no‐
38       tice and this notice are preserved.
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SEE ALSO

41       The full documentation for libtasn1 is maintained as a Texinfo  manual.
42       If  the info and libtasn1 programs are properly installed at your site,
43       the command
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45              info libtasn1
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47       should give you access to the complete manual.  As an  alternative  you
48       may obtain the manual from:
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50              https://www.gnu.org/software/libtasn1/manual/
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52libtasn1                            4.19.0                 asn1_get_tag_der(3)
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