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Ensure all MISB ST 0902 "Minimum Metadata Set" elements are included #54

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Ensure all MISB ST 0902 "Minimum Metadata Set" elements are included #54

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bc9edd3
setparser: Support nested items when generating MetadataList
nexton-winjeel Oct 16, 2025
c64af5e
misb0102: Improve and extend support for MISB0102 parsing
nexton-winjeel Oct 16, 2025
99a8e04
misb0601: Add parser for "MIIS Core Identifier (94)" element
nexton-winjeel Oct 16, 2025
0bcebb0
setparser: Handle unknown items when generating MetadataList
nexton-winjeel Oct 16, 2025
a877284
elementparser: Add EnumElementParser parser
nexton-winjeel Oct 16, 2025
201880c
misb0102: Use EnumElementParser to parse tags 1, 2 and 12
nexton-winjeel Oct 16, 2025
88e3271
misb0102: Parse "Version (22)" element as a number
nexton-winjeel Oct 16, 2025
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25 changes: 24 additions & 1 deletion klvdata/elementparser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@
from klvdata.common import float_to_bytes
from klvdata.common import str_to_bytes
from klvdata.common import ieee754_bytes_to_fp



class ElementParser(Element, metaclass=ABCMeta):
Expand Down Expand Up @@ -94,6 +94,29 @@ def __str__(self):
return bytes_to_hexstr(self.value, start='0x', sep='')


class EnumElementParser(ElementParser, metaclass=ABCMeta):
def __init__(self, value):
super().__init__(EnumValue(value, self.enumMap))

@property
@classmethod
@abstractmethod
def enumMap(cls):
pass


class EnumValue(BaseValue):
def __init__(self, value, enumMap):
self.rawValue = value
self.value = enumMap.get(value, f"??? ({self.__bytes__()})")

def __bytes__(self):
return bytes(self.rawValue)

def __str__(self):
return self.value


class DateTimeElementParser(ElementParser, metaclass=ABCMeta):
def __init__(self, value):
super().__init__(DateTimeValue(value))
Expand Down
239 changes: 234 additions & 5 deletions klvdata/misb0102.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,10 +23,14 @@
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

from klvdata.common import hexstr_to_bytes
from klvdata.element import UnknownElement
from klvdata.elementparser import BytesElementParser
from klvdata.elementparser import MappedElementParser
from klvdata.elementparser import EnumElementParser
from klvdata.elementparser import StringElementParser
from klvdata.misb0601 import UASLocalMetadataSet
from klvdata.setparser import SetParser
from klvdata.streamparser import StreamParser

_classifying_country_coding = {
b'\x01': 'ISO-3166 Two Letter',
Expand Down Expand Up @@ -69,7 +73,17 @@


class UnknownElement(UnknownElement):
pass
@property
def LDSName(self):
return "?"

@property
def ESDName(self):
return "?"

@property
def UDSName(self):
return "?"


@UASLocalMetadataSet.add_parser
Expand All @@ -83,14 +97,21 @@ class SecurityLocalMetadataSet(SetParser):
Must be a subclass of Element or duck type Element.
"""
key, name = b'\x30', "Security Local Metadata Set"
key_length = 1
key_length = 1

TAG = 48
UDSKey = hexstr_to_bytes('06 0E 2B 34 - 02 03 01 01 - 0E 01 03 03 - 02 00 00 00')
LDSName = "Security Local Metadata Set"
ESDName = ""
UDSName = ""

parsers = {}

_unknown_element = UnknownElement


@SecurityLocalMetadataSet.add_parser
class SecurityClassification(BytesElementParser):
class SecurityClassification(EnumElementParser):
"""MISB ST0102 Security Classification value interpretation parser.

The Security Classification metadata element contains a value
Expand All @@ -99,10 +120,218 @@ class SecurityClassification(BytesElementParser):
"""
key = b'\x01'

_classification = {
TAG = 1
UDSKey = "-"
LDSName = "Security Classification"
ESDName = ""
UDSName = ""

enumMap = {
b'\x01': 'UNCLASSIFIED',
b'\x02': 'RESTRICTED',
b'\x03': 'CONFIDENTIAL',
b'\x04': 'SECRET',
b'\x05': 'TOP SECRET',
}


@SecurityLocalMetadataSet.add_parser
class ClassifyingCountryAndReleasingInstructionCCM(EnumElementParser):
"""
"""
key = b'\x02'
TAG = 2
UDSKey = "-"
LDSName = "Classifying Country And Releasing Instruction Country Coding Method"
ESDName = ""
UDSName = ""

enumMap = _classifying_country_coding


@SecurityLocalMetadataSet.add_parser
class ClassifyingCountry(StringElementParser):
"""
"""
key = b'\x03'
TAG = 3
UDSKey = "-"
LDSName = "Classifying Country"
ESDName = ""
UDSName = ""


@SecurityLocalMetadataSet.add_parser
class SecuritySCISHIInformation(StringElementParser):
"""
"""
key = b'\x04'
TAG = 4
UDSKey = "-"
LDSName = 'Security-SCI/SHI Information'
ESDName = ""
UDSName = ""


@SecurityLocalMetadataSet.add_parser
class Caveats(StringElementParser):
"""
"""
key = b'\x05'
TAG = 5
UDSKey = "-"
LDSName = 'Caveats'
ESDName = ""
UDSName = ""


@SecurityLocalMetadataSet.add_parser
class ReleasingInstructions(StringElementParser):
"""
"""
key = b'\x06'
TAG = 6
UDSKey = "-"
LDSName = 'Releasing Instructions'
ESDName = ""
UDSName = ""


@SecurityLocalMetadataSet.add_parser
class ClassifiedBy(StringElementParser):
"""
"""
key = b'\x07'
TAG = 7
UDSKey = "-"
LDSName = 'Classified By'
ESDName = ""
UDSName = ""


@SecurityLocalMetadataSet.add_parser
class DerivedFrom(StringElementParser):
"""
"""
key = b'\x08'
TAG = 8
UDSKey = "-"
LDSName = 'Derived From'
ESDName = ""
UDSName = ""


@SecurityLocalMetadataSet.add_parser
class ClassificationReason(StringElementParser):
"""
"""
key = b'\x09'
TAG = 9
UDSKey = "-"
LDSName = 'Classification Reason'
ESDName = ""
UDSName = ""


@SecurityLocalMetadataSet.add_parser
class DeclassificationDate(StringElementParser):
"""
"""
key = b'\x0A'
TAG = 10
UDSKey = "-"
LDSName = 'Declassification Date'
ESDName = ""
UDSName = ""
min_length, max_length = 8, 8


@SecurityLocalMetadataSet.add_parser
class ClassificationAndMarkingSystem(StringElementParser):
"""
"""
key = b'\x0B'
TAG = 11
UDSKey = "-"
LDSName = 'Classification And Marking System'
ESDName = ""
UDSName = ""


@SecurityLocalMetadataSet.add_parser
class ObjectCountryCodingMethod(EnumElementParser):
"""
"""
key = b'\x0C'
TAG = 12
UDSKey = "-"
LDSName = 'Object Country Coding Method'
ESDName = ""
UDSName = ""

enumMap = _object_country_coding


@SecurityLocalMetadataSet.add_parser
class ObjectCountryCodes(StringElementParser):
"""
"""
key = b'\x0D'
TAG = 13
UDSKey = "-"
LDSName = 'Object Country Codes'
ESDName = ""
UDSName = ""


@SecurityLocalMetadataSet.add_parser
class ClassificationComments(StringElementParser):
"""
"""
key = b'\x0E'
TAG = 14
UDSKey = "-"
LDSName = 'Classification Comments'
ESDName = ""
UDSName = ""


@SecurityLocalMetadataSet.add_parser
class Version(MappedElementParser):
"""
"""
key = b'\x16'
TAG = 22
UDSKey = "-"
LDSName = 'Version'
ESDName = ""
UDSName = ""
_domain = (0, 2**16-1)
_range = (0, 2**16-1)
_error = None
units = 'number'



@SecurityLocalMetadataSet.add_parser
class ClassifyingCountryAndReleasingInstructionCCMVD(StringElementParser):
"""
"""
key = b'\x17'
TAG = 23
UDSKey = "-"
LDSName = 'Classifying Country And Releasing Instruction Courntry Coding Method Version Date'
ESDName = ""
UDSName = ""


@SecurityLocalMetadataSet.add_parser
class ClassifyingCountryCodeMethodVersionDate(StringElementParser):
"""
"""
key = b'\x18'
TAG = 24
UDSKey = "-"
LDSName = 'Classifying Country Code Method Version Date'
ESDName = ""
UDSName = ""
44 changes: 27 additions & 17 deletions klvdata/misb0601.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,17 @@


class UnknownElement(UnknownElement):
pass
@property
def LDSName(self):
return "?"

@property
def ESDName(self):
return "?"

@property
def UDSName(self):
return "?"


@StreamParser.add_parser
Expand Down Expand Up @@ -701,14 +711,14 @@ class GenericFlagData01(MappedElementParser):
_error = None


# @UASLocalMetadataSet.add_parser
# class SecurityLocalMetadataSet(MappedElementParser):
# key = b'\x30'
# TAG = 48
# UDSKey = "06 0E 2B 34 02 03 01 01 0E 01 03 03 02 00 00 00"
# LDSName = "Security Local Set"
# ESDName = ""
# UDSName = "Security Local Set"
@UASLocalMetadataSet.add_parser
class SecurityLocalMetadataSet(MappedElementParser):
key = b'\x30'
TAG = 48
UDSKey = "06 0E 2B 34 02 03 01 01 0E 01 03 03 02 00 00 00"
LDSName = "Security Local Set"
ESDName = ""
UDSName = "Security Local Set"


@UASLocalMetadataSet.add_parser
Expand Down Expand Up @@ -1292,14 +1302,14 @@ class PlatformSideslipAngleFull(MappedElementParser):
units = 'degrees'


#@UASLocalMetadataSet.add_parser
# class MIISCoreIdentifier(StringElementParser):
# key = b'\x5E'
# TAG = 94
# UDSKey = "06 0E 2B 34 01 01 01 01 0E 01 04 05 03 00 00 00"
# LDSName = "MIIS Core Identifier"
# ESDName = ""
# UDSName = "Motion Imagery Identification System Core"
@UASLocalMetadataSet.add_parser
class MIISCoreIdentifier(BytesElementParser):
key = b'\x5E'
TAG = 94
UDSKey = "06 0E 2B 34 01 01 01 01 0E 01 04 05 03 00 00 00"
LDSName = "MIIS Core Identifier"
ESDName = ""
UDSName = "Motion Imagery Identification System Core"


#@UASLocalMetadataSet.add_parser
Expand Down
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