TLVutils Module — vsmartcard 2017-01-16 documentation

# TLVutils Module

`virtualsmartcard.TLVutils.` `bertlv_pack`(data)

  Packs a bertlv list of 3-tuples (tag, length, newvalue) into a string

`virtualsmartcard.TLVutils.` `bertlv_unpack`(data)

  Unpacks a bertlv coded string into a list of 3-tuples (tag, length, newvalue).

`virtualsmartcard.TLVutils.` `decodeDiscretionaryDataObjects`(tlv_data)

`virtualsmartcard.TLVutils.` `decodeExtendedHeaderList`(tlv_data)

`virtualsmartcard.TLVutils.` `decodeHeaderList`(tlv_data)

`virtualsmartcard.TLVutils.` `decodeOffsetDataObjects`(tlv_data)

`virtualsmartcard.TLVutils.` `decodeTagList`(tlv_data)

`virtualsmartcard.TLVutils.` `encodeDataOffsetObjects`(datalist)

`virtualsmartcard.TLVutils.` `encodeDiscretionaryDataObjects`(datalist)

`virtualsmartcard.TLVutils.` `encodebertlvDatalist`(tag, datalist)

`virtualsmartcard.TLVutils.` `pack`(tlv_data, recalculate_length=False)

`virtualsmartcard.TLVutils.` `simpletlv_pack`(tlv_data, recalculate_length=False)

`virtualsmartcard.TLVutils.` `simpletlv_unpack`(data)

  Unpacks a simpletlv coded string into a list of 3-tuples (tag, length, newvalue).

`virtualsmartcard.TLVutils.` `tlv_find_tag`(tlv_data, tag, num_results=None)

  Find (and return) all instances of tag in the given tlv structure (as returned by unpack). If num_results is specified then at most that many results will be returned.

`virtualsmartcard.TLVutils.` `tlv_find_tags`(tlv_data, tags, num_results=None)

  Find (and return) all instances of tags in the given tlv structure (as returned by unpack). If num_results is specified then at most that many results will be returned.

`virtualsmartcard.TLVutils.` `tlv_unpack`(data)

`virtualsmartcard.TLVutils.` `unpack`(data, with_marks=None, offset=0, include_filler=False)