Package dpkt :: Module asn1

Module asn1

Abstract Syntax Notation #1.

Functions

[hide private]

utctime(buf)
Convert ASN.1 UTCTime string to UTC float.

source code

decode(buf)
Sleazy ASN.1 decoder.

source code

test_asn1()

source code

Variables

[hide private]

CLASSMASK = 192

UNIVERSAL = 0

APPLICATION = 64

CONTEXT = 128

PRIVATE = 192

CONSTRUCTED = 32

TAGMASK = 31

INTEGER = 2

BIT_STRING = 3

OCTET_STRING = 4

NULL = 5

OID = 6

SEQUENCE = 16

SET = 17

PRINT_STRING = 19

T61_STRING = 20

IA5_STRING = 22

UTC_TIME = 23

__package__ = 'dpkt'

Function Details

[hide private]

utctime(buf)

source code

Convert ASN.1 UTCTime string to UTC float.

TODO: Long description here.

Args:
    buf: A buffer with format "yymnddhhmm"

Returns:
    A floating point number, indicates seconds since the Epoch.

decode(buf)

source code

Sleazy ASN.1 decoder.

TODO: Long description here.

Args:
    buf: A buffer with Sleazy ASN.1 data.

Returns:
    A list of (id, value) tuples from ASN.1 BER/DER encoded buffer.

Raises:
    UnpackError: An error occurred the ASN.1 length exceed.