标准编号：ISO/IEC 8825-2:2015
中文名称：信息技术 ASN.1编码规则 第2部分：紧缩编码规则（PER）规范
英文名称：Information technology — ASN.1 encoding rules: Specification of Packed Encoding Rules (PER) — Part 2:
发布日期：2015-11
标准范围
This Recommendation | International Standard specifies a set of Packed Encoding Rules that may be used to derive a transfer syntax for values of types defined in Rec. ITU-T X.680 | ISO/IEC 8824-1. These Packed Encoding Rules are also to be applied for decoding such a transfer syntax in order to identify the data values being transferred.The encoding rules specified in this Recommendation | International Standard:– are used at the time of communication;– are intended for use in circumstances where minimizing the size of the representation of values is the major concern in the choice of encoding rules;– allow the extension of an abstract syntax by addition of extra values, preserving the encodings of the existing values, for all forms of extension described in Rec. ITU-T X.680 | ISO/IEC 8824-1;– can be modified in accordance with the provisions of Rec. ITU-T X.695 | ISO/IEC 8825-6.
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