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Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/IndefiniteLengthInputStream.java')
-rw-r--r--core/src/main/java/org/bouncycastle/asn1/IndefiniteLengthInputStream.java111
1 files changed, 0 insertions, 111 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/IndefiniteLengthInputStream.java b/core/src/main/java/org/bouncycastle/asn1/IndefiniteLengthInputStream.java
deleted file mode 100644
index 353da3b0..00000000
--- a/core/src/main/java/org/bouncycastle/asn1/IndefiniteLengthInputStream.java
+++ /dev/null
@@ -1,111 +0,0 @@
-package org.bouncycastle.asn1;
-
-import java.io.EOFException;
-import java.io.IOException;
-import java.io.InputStream;
-
-class IndefiniteLengthInputStream
- extends LimitedInputStream
-{
- private int _b1;
- private int _b2;
- private boolean _eofReached = false;
- private boolean _eofOn00 = true;
-
- IndefiniteLengthInputStream(
- InputStream in,
- int limit)
- throws IOException
- {
- super(in, limit);
-
- _b1 = in.read();
- _b2 = in.read();
-
- if (_b2 < 0)
- {
- // Corrupted stream
- throw new EOFException();
- }
-
- checkForEof();
- }
-
- void setEofOn00(
- boolean eofOn00)
- {
- _eofOn00 = eofOn00;
- checkForEof();
- }
-
- private boolean checkForEof()
- {
- if (!_eofReached && _eofOn00 && (_b1 == 0x00 && _b2 == 0x00))
- {
- _eofReached = true;
- setParentEofDetect(true);
- }
- return _eofReached;
- }
-
- public int read(byte[] b, int off, int len)
- throws IOException
- {
- // Only use this optimisation if we aren't checking for 00
- if (_eofOn00 || len < 3)
- {
- return super.read(b, off, len);
- }
-
- if (_eofReached)
- {
- return -1;
- }
-
- int numRead = _in.read(b, off + 2, len - 2);
-
- if (numRead < 0)
- {
- // Corrupted stream
- throw new EOFException();
- }
-
- b[off] = (byte)_b1;
- b[off + 1] = (byte)_b2;
-
- _b1 = _in.read();
- _b2 = _in.read();
-
- if (_b2 < 0)
- {
- // Corrupted stream
- throw new EOFException();
- }
-
- return numRead + 2;
- }
-
- public int read()
- throws IOException
- {
- if (checkForEof())
- {
- return -1;
- }
-
- int b = _in.read();
-
- if (b < 0)
- {
- // Corrupted stream
- throw new EOFException();
- }
-
- int v = _b1;
-
- _b1 = _b2;
- _b2 = b;
-
- return v;
- }
-}