e04ca78ff8
fmt_asn1generic, see t10.c for example usage) add "generic" asn.1 dumper (in t10.c) fix some read off-by-one errors, minor cleanups add real OID support add bitstring support
16 lines
426 B
C
16 lines
426 B
C
#include "asn1.h"
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/* write int in least amount of bytes, return number of bytes */
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/* as used in ASN.1 tags */
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size_t fmt_asn1tag(char* dest,enum asn1_tagclass tc,enum asn1_tagtype tt,unsigned long l) {
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/* encoding is either l%128 or (0x1f,...) */
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if (l<0x1f) {
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if (dest) *dest=(int)tc+(int)tt+(l&0x1f);
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return 1;
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}
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if (dest) {
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*dest=(int)tc+(int)tt+0x1f; ++dest;
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}
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return fmt_asn1tagint(dest,l)+1;
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}
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