summaryrefslogtreecommitdiffstats
path: root/libjava/classpath/gnu/javax/crypto/jce/params/DERReader.java
diff options
context:
space:
mode:
Diffstat (limited to 'libjava/classpath/gnu/javax/crypto/jce/params/DERReader.java')
-rw-r--r--libjava/classpath/gnu/javax/crypto/jce/params/DERReader.java35
1 files changed, 7 insertions, 28 deletions
diff --git a/libjava/classpath/gnu/javax/crypto/jce/params/DERReader.java b/libjava/classpath/gnu/javax/crypto/jce/params/DERReader.java
index f61423255fc..68c68027966 100644
--- a/libjava/classpath/gnu/javax/crypto/jce/params/DERReader.java
+++ b/libjava/classpath/gnu/javax/crypto/jce/params/DERReader.java
@@ -43,15 +43,10 @@ import java.math.BigInteger;
class DERReader
{
byte source[];
-
int pos;
-
static final int UNIVERSAL = 1;
-
static final int APPLICATION = 2;
-
static final int CONTEXT_SPECIFIC = 3;
-
static final int PRIVATE = 4;
public DERReader()
@@ -86,53 +81,37 @@ class DERReader
return new BigInteger(getPrimitive());
}
- //Reads Primitive, definite-length method
+ // Reads Primitive, definite-length method
private byte[] getPrimitive() throws DEREncodingException
{
int tmp = pos;
-
- //Read Identifier
+ // Read Identifier
byte identifier = source[tmp++];
if ((0x20 & identifier) != 0)
throw new DEREncodingException();
int type = translateLeadIdentifierByte(identifier);
- //System.out.println("Type: " + type);
-
- //get tag
+ // get tag
int tag = (0x1f & identifier);
- //if( tag == 0x1f)
- // tag = getIdentifier(tmp);
- //System.out.println("Tag: " + tag);
-
- //get length
- byte len = source[tmp]; //may be length of length parameter
+ // get length
+ byte len = source[tmp]; // may be length of length parameter
long length = 0x7f & len;
int i;
if ((0x80 & len) != 0)
{
- //System.out.println("Extra Long Length");
len &= 0x7f;
- //System.out.println("Length of Length: " + len);
- //get length here
+ // get length here
length = 0;
for (i = 0; i < len; i++)
{
tmp++;
length <<= 8;
length += (source[tmp] < 0) ? (256 + source[tmp]) : source[tmp];
- //System.out.println("Length of Length: " + length);
}
tmp++;
}
else
tmp++;
- /*System.out.println("Position: " + tmp);
- System.out.println("Length: " + length);
- for( i = 0; i < 10; i++)
- System.out.print(source[tmp + i] + " ");
- System.out.println();*/
-
byte tmpb[] = new byte[(int) length];
System.arraycopy(source, tmp, tmpb, 0, (int) length);
pos = (int) (tmp + length);
@@ -157,4 +136,4 @@ class DERReader
tpos++;
return tpos;
}
-} \ No newline at end of file
+}
OpenPOWER on IntegriCloud