Efficient packed encoding method for ASN.1

Details Efficient packed encoding method for ASN.1 Efficient packed encoding method for ASN.1

1995-03-06

1997-06-10

Gaffin, Jeffrey A.

Coded data generation or conversion

Digital code to digital code converters

To or from packed format

341 67, 370476, G06F 500, H04L 2300

Patent

active

056380666

ABSTRACT:
An efficient packed encoding rules (EPER) for ASN.1 for efficiently encoding the value to each type of abstract syntax definition, in which structure of an encoding data is divided into three fields of a bit field, an octet field following the bit field, and an offset field selectively added to before the bit field, in the bit field, bit data is set in the order of the abstract syntax definition, in the octet field, octet data in a unit of octet is set in the order of the abstract syntax definition, in the offset field, a length information of bit field is set and, in the bit field, padding is made so that a total length of the offset field and the bit field is an integer multiple of 8 bits, and the offset field is added when the length of bit field is not determined from the abstract syntax definition, thereby eliminating problems of PER.

REFERENCES:
patent: 5418972 (1995-05-01), Takeuchi et al.

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