{"id":380034,"date":"2024-10-20T03:05:06","date_gmt":"2024-10-20T03:05:06","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-iec-8825-72021\/"},"modified":"2024-10-26T05:34:28","modified_gmt":"2024-10-26T05:34:28","slug":"bs-iso-iec-8825-72021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-iec-8825-72021\/","title":{"rendered":"BS ISO\/IEC 8825-7:2021"},"content":{"rendered":"<p>This Recommendation | International Standard specifies a set of Basic Octet Encoding Rules (BASIC-OER) that may be used to derive a transfer syntax for values of the types defined in Rec. ITU-T X.680 | ISO\/IEC 8824-1, Rec. ITU-T X.681 | ISO\/IEC 8824-2, Rec. ITU-T X.682 | ISO\/IEC 8824-3, Rec. ITU-T X.683 | ISO\/IEC 8824-4. This Recommendation | International Standard also specifies a set of Canonical Octet Encoding Rules (CANONICAL-OER) which provides constraints on the Basic Octet Encoding Rules and produces a unique encoding for any given ASN.1 value. It is implicit in the specification of these encoding rules that they are also to be used for decoding.<\/p>\n<p>The encoding rules specified in this Recommendation | International Standard:<\/p>\n<ul>\n<li>\n<p>are used at the time of communication;<\/p>\n<\/li>\n<li>\n<p>are intended for use in circumstances where encoding\/decoding speed is the major concern in the choice of encoding rules;<\/p>\n<\/li>\n<li>\n<p>allow the extension of an abstract syntax by addition of extra values for all forms of extensibility described in Rec. ITU-T X.680 | ISO\/IEC 8824-1.<\/p>\n<\/li>\n<\/ul>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>undefined  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Blank Page  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>CONTENTS  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>Blank Page  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 2.1 Identical Recommendations | International Standards <br \/> 2.2 Additional references  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>3 Definitions <br \/> 3.1 Specification of basic notation <br \/> 3.2 Information object specification <br \/> 3.3 Constraint specification <br \/> 3.4 Parameterization of ASN.1 specification <br \/> 3.5 Basic Encoding Rules (BER) <br \/> 3.6 Packed Encoding Rules (PER) <br \/> 3.7  Additional definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>4 Abbreviations <br \/> 5 Convention <br \/> 6 Encodings specified by this Recommendation | International Standard  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>7 Conformance <br \/> 8 General provisions <br \/> 8.1 Use of the type notation <br \/> 8.2 Constraints  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>8.3 Type and value model used for encoding <br \/> 8.4 Types to be encoded <br \/> 8.5 Production of a complete OER encoding <br \/> 8.6 Length determinant  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>8.7 Encoding of tags <br \/> 9 Encoding of Boolean values <br \/> 10 Encoding of integer values  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>11 Encoding of enumerated values  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>12 Encoding of real values  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>13 Encoding of bitstring values <br \/> 13.1 General <br \/> 13.2 Encoding of bitstring types with a fixed size <br \/> 13.3 Encoding of bitstring types with a variable size <br \/> 14 Encoding of octetstring values  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>15 Encoding of the null value <br \/> 16 Encoding of sequence values  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>17 Encoding of sequence-of values <br \/> 18 Encoding of set values <br \/> 19 Encoding of set-of values <br \/> 20 Encoding of choice values  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>21 Encoding of object identifier values <br \/> 22 Encoding of relative object identifier values <br \/> 23 Encoding of values of the internationalized resource reference type <br \/> 24 Encoding of values of the relative internationalized resource reference type <br \/> 25 Encoding of values of the embedded-pdv type <br \/> 26 Encoding of values of the external type  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>27 Encoding of values of the restricted character string types <br \/> 28 Encoding of values of the unrestricted character string type  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>29 Encoding of values of the time types <br \/> 29.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>29.2 Optimized encoding of time subtypes with the Basic=Date property setting  <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>29.3 Optimized encoding of time subtypes with the Basic=Time property setting  <\/td>\n<\/tr>\n<tr>\n<td><b>29<b><\/td>\n<td>29.4 Optimized encoding of time subtypes with the Basic=Interval property setting  <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>30 Encoding of open type values <br \/> 31 Canonical Octet Encoding Rules  <\/td>\n<\/tr>\n<tr>\n<td><b>31<b><\/td>\n<td>32 Object identifier values referencing the encoding rules  <\/td>\n<\/tr>\n<tr>\n<td><b>32<b><\/td>\n<td>Annex A  Example of OER encodings <br \/> A.1 ASN.1 description of the record structure <br \/> A.2 ASN.1 description of a record value <br \/> A.3 BASIC-OER and CANONICAL-OER representation of this record value  <\/td>\n<\/tr>\n<tr>\n<td><b>33<b><\/td>\n<td>A.3.1 Hexadecimal view <br \/> A.3.2 Descriptive view  <\/td>\n<\/tr>\n<tr>\n<td><b>35<b><\/td>\n<td>Annex B  Interoperability with NTCIP 1102:2004  <\/td>\n<\/tr>\n<tr>\n<td><b>36<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Information technology. ASN.1 encoding rules &#8211; Specification of Octet Encoding Rules (OER)<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2021<\/td>\n<td>38<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":380040,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[674,2641],"product_tag":[],"class_list":{"0":"post-380034","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-35-100-60","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/380034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/380040"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=380034"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=380034"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=380034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}