java.io.Closeable
, java.lang.AutoCloseable
, BERTags
public class ASN1InputStream extends java.io.FilterInputStream implements BERTags
APPLICATION, BIT_STRING, BMP_STRING, BOOLEAN, CONSTRUCTED, ENUMERATED, EXTERNAL, GENERAL_STRING, GENERALIZED_TIME, GRAPHIC_STRING, IA5_STRING, INTEGER, NULL, NUMERIC_STRING, OBJECT_IDENTIFIER, OCTET_STRING, PRINTABLE_STRING, SEQUENCE, SEQUENCE_OF, SET, SET_OF, T61_STRING, TAGGED, UNIVERSAL_STRING, UTC_TIME, UTF8_STRING, VIDEOTEX_STRING, VISIBLE_STRING
Constructor | Description |
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ASN1InputStream(byte[] input) |
Create an ASN1InputStream based on the input byte array.
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ASN1InputStream(byte[] input,
boolean lazyEvaluate) |
Create an ASN1InputStream based on the input byte array.
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ASN1InputStream(java.io.InputStream is) |
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ASN1InputStream(java.io.InputStream input,
boolean lazyEvaluate) |
Create an ASN1InputStream where no DER object will be longer than limit, and constructed
objects such as sequences will be parsed lazily.
|
ASN1InputStream(java.io.InputStream input,
int limit) |
Create an ASN1InputStream where no DER object will be longer than limit.
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ASN1InputStream(java.io.InputStream input,
int limit,
boolean lazyEvaluate) |
Create an ASN1InputStream where no DER object will be longer than limit, and constructed
objects such as sequences will be parsed lazily.
|
Modifier and Type | Method | Description |
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protected ASN1Primitive |
buildObject(int tag,
int tagNo,
int length) |
build an object given its tag and the number of bytes to construct it from.
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protected void |
readFully(byte[] bytes) |
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protected int |
readLength() |
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ASN1Primitive |
readObject() |
public ASN1InputStream(java.io.InputStream is)
public ASN1InputStream(byte[] input)
input
- array containing ASN.1 encoded data.public ASN1InputStream(byte[] input, boolean lazyEvaluate)
input
- array containing ASN.1 encoded data.lazyEvaluate
- true if parsing inside constructed objects can be delayed.public ASN1InputStream(java.io.InputStream input, int limit)
input
- stream containing ASN.1 encoded data.limit
- maximum size of a DER encoded object.public ASN1InputStream(java.io.InputStream input, boolean lazyEvaluate)
input
- stream containing ASN.1 encoded data.lazyEvaluate
- true if parsing inside constructed objects can be delayed.public ASN1InputStream(java.io.InputStream input, int limit, boolean lazyEvaluate)
input
- stream containing ASN.1 encoded data.limit
- maximum size of a DER encoded object.lazyEvaluate
- true if parsing inside constructed objects can be delayed.protected int readLength() throws java.io.IOException
java.io.IOException
protected void readFully(byte[] bytes) throws java.io.IOException
java.io.IOException
protected ASN1Primitive buildObject(int tag, int tagNo, int length) throws java.io.IOException
tag
- the full tag details.tagNo
- the tagNo defined.length
- the length of the object.java.io.IOException
- on processing exception.public ASN1Primitive readObject() throws java.io.IOException
java.io.IOException