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Diffstat (limited to 'libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/DLSet.java')
| -rw-r--r-- | libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/DLSet.java | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/DLSet.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/DLSet.java deleted file mode 100644 index 9c9ed8b85..000000000 --- a/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/DLSet.java +++ /dev/null @@ -1,146 +0,0 @@ -package org.spongycastle.asn1; - -import java.io.IOException; -import java.util.Enumeration; - -/** - * The DLSet encodes ASN.1 SET value without element ordering, - * and always using definite length form. - * <hr> - * <h2>X.690</h2> - * <h3>8: Basic encoding rules</h3> - * <h4>8.11 Encoding of a set value </h4> - * <b>8.11.1</b> The encoding of a set value shall be constructed - * <p/> - * <b>8.11.2</b> The contents octets shall consist of the complete - * encoding of a data value from each of the types listed in the - * ASN.1 definition of the set type, in an order chosen by the sender, - * unless the type was referenced with the keyword - * <b>OPTIONAL</b> or the keyword <b>DEFAULT</b>. - * <p/> - * <b>8.11.3</b> The encoding of a data value may, but need not, - * be present for a type which was referenced with the keyword - * <b>OPTIONAL</b> or the keyword <b>DEFAULT</b>. - * <blockquote> - * NOTE — The order of data values in a set value is not significant, - * and places no constraints on the order during transfer - * </blockquote> - * <h3>9: Canonical encoding rules</h3> - * <h4>9.3 Set components</h4> - * The encodings of the component values of a set value shall - * appear in an order determined by their tags as specified - * in 8.6 of ITU-T Rec. X.680 | ISO/IEC 8824-1. - * Additionally, for the purposes of determining the order in which - * components are encoded when one or more component is an untagged - * choice type, each untagged choice type is ordered as though it - * has a tag equal to that of the smallest tag in that choice type - * or any untagged choice types nested within. - * <h3>10: Distinguished encoding rules</h3> - * <h4>10.3 Set components</h4> - * The encodings of the component values of a set value shall appear - * in an order determined by their tags as specified - * in 8.6 of ITU-T Rec. X.680 | ISO/IEC 8824-1. - * <blockquote> - * NOTE — Where a component of the set is an untagged choice type, - * the location of that component in the ordering will depend on - * the tag of the choice component being encoded. - * </blockquote> - * <h3>11: Restrictions on BER employed by both CER and DER</h3> - * <h4>11.5 Set and sequence components with default value </h4> - * The encoding of a set value or sequence value shall not include - * an encoding for any component value which is equal to - * its default value. - */ -public class DLSet - extends ASN1Set -{ - private int bodyLength = -1; - - /** - * create an empty set - */ - public DLSet() - { - } - - /** - * @param obj - a single object that makes up the set. - */ - public DLSet( - ASN1Encodable obj) - { - super(obj); - } - - /** - * @param v - a vector of objects making up the set. - */ - public DLSet( - ASN1EncodableVector v) - { - super(v, false); - } - - /** - * create a set from an array of objects. - */ - public DLSet( - ASN1Encodable[] a) - { - super(a, false); - } - - private int getBodyLength() - throws IOException - { - if (bodyLength < 0) - { - int length = 0; - - for (Enumeration e = this.getObjects(); e.hasMoreElements();) - { - Object obj = e.nextElement(); - - length += ((ASN1Encodable)obj).toASN1Primitive().toDLObject().encodedLength(); - } - - bodyLength = length; - } - - return bodyLength; - } - - int encodedLength() - throws IOException - { - int length = getBodyLength(); - - return 1 + StreamUtil.calculateBodyLength(length) + length; - } - - /** - * A note on the implementation: - * <p> - * As DL requires the constructed, definite-length model to - * be used for structured types, this varies slightly from the - * ASN.1 descriptions given. Rather than just outputting SET, - * we also have to specify CONSTRUCTED, and the objects length. - */ - void encode( - ASN1OutputStream out) - throws IOException - { - ASN1OutputStream dOut = out.getDLSubStream(); - int length = getBodyLength(); - - out.write(BERTags.SET | BERTags.CONSTRUCTED); - out.writeLength(length); - - for (Enumeration e = this.getObjects(); e.hasMoreElements();) - { - Object obj = e.nextElement(); - - dOut.writeObject((ASN1Encodable)obj); - } - } -}
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