summaryrefslogtreecommitdiff
path: root/src/org/spongycastle
diff options
context:
space:
mode:
Diffstat (limited to 'src/org/spongycastle')
-rw-r--r--src/org/spongycastle/util/encoders/Base64.java121
-rw-r--r--src/org/spongycastle/util/encoders/Base64Encoder.java298
-rw-r--r--src/org/spongycastle/util/encoders/Encoder.java17
-rw-r--r--src/org/spongycastle/util/io/pem/PemGenerationException.java26
-rw-r--r--src/org/spongycastle/util/io/pem/PemHeader.java66
-rw-r--r--src/org/spongycastle/util/io/pem/PemObject.java62
-rw-r--r--src/org/spongycastle/util/io/pem/PemObjectGenerator.java7
-rw-r--r--src/org/spongycastle/util/io/pem/PemWriter.java138
8 files changed, 0 insertions, 735 deletions
diff --git a/src/org/spongycastle/util/encoders/Base64.java b/src/org/spongycastle/util/encoders/Base64.java
deleted file mode 100644
index 87bd80a0..00000000
--- a/src/org/spongycastle/util/encoders/Base64.java
+++ /dev/null
@@ -1,121 +0,0 @@
-package org.spongycastle.util.encoders;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-
-public class Base64
-{
- private static final Encoder encoder = new Base64Encoder();
-
- /**
- * encode the input data producing a base 64 encoded byte array.
- *
- * @return a byte array containing the base 64 encoded data.
- */
- public static byte[] encode(
- byte[] data)
- {
- int len = (data.length + 2) / 3 * 4;
- ByteArrayOutputStream bOut = new ByteArrayOutputStream(len);
-
- try
- {
- encoder.encode(data, 0, data.length, bOut);
- }
- catch (IOException e)
- {
- throw new RuntimeException("exception encoding base64 string: " + e);
- }
-
- return bOut.toByteArray();
- }
-
- /**
- * Encode the byte data to base 64 writing it to the given output stream.
- *
- * @return the number of bytes produced.
- */
- public static int encode(
- byte[] data,
- OutputStream out)
- throws IOException
- {
- return encoder.encode(data, 0, data.length, out);
- }
-
- /**
- * Encode the byte data to base 64 writing it to the given output stream.
- *
- * @return the number of bytes produced.
- */
- public static int encode(
- byte[] data,
- int off,
- int length,
- OutputStream out)
- throws IOException
- {
- return encoder.encode(data, off, length, out);
- }
-
- /**
- * decode the base 64 encoded input data. It is assumed the input data is valid.
- *
- * @return a byte array representing the decoded data.
- */
- public static byte[] decode(
- byte[] data)
- {
- int len = data.length / 4 * 3;
- ByteArrayOutputStream bOut = new ByteArrayOutputStream(len);
-
- try
- {
- encoder.decode(data, 0, data.length, bOut);
- }
- catch (IOException e)
- {
- throw new RuntimeException("exception decoding base64 string: " + e);
- }
-
- return bOut.toByteArray();
- }
-
- /**
- * decode the base 64 encoded String data - whitespace will be ignored.
- *
- * @return a byte array representing the decoded data.
- */
- public static byte[] decode(
- String data)
- {
- int len = data.length() / 4 * 3;
- ByteArrayOutputStream bOut = new ByteArrayOutputStream(len);
-
- try
- {
- encoder.decode(data, bOut);
- }
- catch (IOException e)
- {
- throw new RuntimeException("exception decoding base64 string: " + e);
- }
-
- return bOut.toByteArray();
- }
-
- /**
- * decode the base 64 encoded String data writing it to the given output stream,
- * whitespace characters will be ignored.
- *
- * @return the number of bytes produced.
- */
- public static int decode(
- String data,
- OutputStream out)
- throws IOException
- {
- return encoder.decode(data, out);
- }
-}
diff --git a/src/org/spongycastle/util/encoders/Base64Encoder.java b/src/org/spongycastle/util/encoders/Base64Encoder.java
deleted file mode 100644
index 84060707..00000000
--- a/src/org/spongycastle/util/encoders/Base64Encoder.java
+++ /dev/null
@@ -1,298 +0,0 @@
-package org.spongycastle.util.encoders;
-
-import java.io.IOException;
-import java.io.OutputStream;
-
-public class Base64Encoder
- implements Encoder
-{
- protected final byte[] encodingTable =
- {
- (byte)'A', (byte)'B', (byte)'C', (byte)'D', (byte)'E', (byte)'F', (byte)'G',
- (byte)'H', (byte)'I', (byte)'J', (byte)'K', (byte)'L', (byte)'M', (byte)'N',
- (byte)'O', (byte)'P', (byte)'Q', (byte)'R', (byte)'S', (byte)'T', (byte)'U',
- (byte)'V', (byte)'W', (byte)'X', (byte)'Y', (byte)'Z',
- (byte)'a', (byte)'b', (byte)'c', (byte)'d', (byte)'e', (byte)'f', (byte)'g',
- (byte)'h', (byte)'i', (byte)'j', (byte)'k', (byte)'l', (byte)'m', (byte)'n',
- (byte)'o', (byte)'p', (byte)'q', (byte)'r', (byte)'s', (byte)'t', (byte)'u',
- (byte)'v',
- (byte)'w', (byte)'x', (byte)'y', (byte)'z',
- (byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4', (byte)'5', (byte)'6',
- (byte)'7', (byte)'8', (byte)'9',
- (byte)'+', (byte)'/'
- };
-
- protected byte padding = (byte)'=';
-
- /*
- * set up the decoding table.
- */
- protected final byte[] decodingTable = new byte[128];
-
- protected void initialiseDecodingTable()
- {
- for (int i = 0; i < encodingTable.length; i++)
- {
- decodingTable[encodingTable[i]] = (byte)i;
- }
- }
-
- public Base64Encoder()
- {
- initialiseDecodingTable();
- }
-
- /**
- * encode the input data producing a base 64 output stream.
- *
- * @return the number of bytes produced.
- */
- public int encode(
- byte[] data,
- int off,
- int length,
- OutputStream out)
- throws IOException
- {
- int modulus = length % 3;
- int dataLength = (length - modulus);
- int a1, a2, a3;
-
- for (int i = off; i < off + dataLength; i += 3)
- {
- a1 = data[i] & 0xff;
- a2 = data[i + 1] & 0xff;
- a3 = data[i + 2] & 0xff;
-
- out.write(encodingTable[(a1 >>> 2) & 0x3f]);
- out.write(encodingTable[((a1 << 4) | (a2 >>> 4)) & 0x3f]);
- out.write(encodingTable[((a2 << 2) | (a3 >>> 6)) & 0x3f]);
- out.write(encodingTable[a3 & 0x3f]);
- }
-
- /*
- * process the tail end.
- */
- int b1, b2, b3;
- int d1, d2;
-
- switch (modulus)
- {
- case 0: /* nothing left to do */
- break;
- case 1:
- d1 = data[off + dataLength] & 0xff;
- b1 = (d1 >>> 2) & 0x3f;
- b2 = (d1 << 4) & 0x3f;
-
- out.write(encodingTable[b1]);
- out.write(encodingTable[b2]);
- out.write(padding);
- out.write(padding);
- break;
- case 2:
- d1 = data[off + dataLength] & 0xff;
- d2 = data[off + dataLength + 1] & 0xff;
-
- b1 = (d1 >>> 2) & 0x3f;
- b2 = ((d1 << 4) | (d2 >>> 4)) & 0x3f;
- b3 = (d2 << 2) & 0x3f;
-
- out.write(encodingTable[b1]);
- out.write(encodingTable[b2]);
- out.write(encodingTable[b3]);
- out.write(padding);
- break;
- }
-
- return (dataLength / 3) * 4 + ((modulus == 0) ? 0 : 4);
- }
-
- private boolean ignore(
- char c)
- {
- return (c == '\n' || c =='\r' || c == '\t' || c == ' ');
- }
-
- /**
- * decode the base 64 encoded byte data writing it to the given output stream,
- * whitespace characters will be ignored.
- *
- * @return the number of bytes produced.
- */
- public int decode(
- byte[] data,
- int off,
- int length,
- OutputStream out)
- throws IOException
- {
- byte b1, b2, b3, b4;
- int outLen = 0;
-
- int end = off + length;
-
- while (end > off)
- {
- if (!ignore((char)data[end - 1]))
- {
- break;
- }
-
- end--;
- }
-
- int i = off;
- int finish = end - 4;
-
- i = nextI(data, i, finish);
-
- while (i < finish)
- {
- b1 = decodingTable[data[i++]];
-
- i = nextI(data, i, finish);
-
- b2 = decodingTable[data[i++]];
-
- i = nextI(data, i, finish);
-
- b3 = decodingTable[data[i++]];
-
- i = nextI(data, i, finish);
-
- b4 = decodingTable[data[i++]];
-
- out.write((b1 << 2) | (b2 >> 4));
- out.write((b2 << 4) | (b3 >> 2));
- out.write((b3 << 6) | b4);
-
- outLen += 3;
-
- i = nextI(data, i, finish);
- }
-
- outLen += decodeLastBlock(out, (char)data[end - 4], (char)data[end - 3], (char)data[end - 2], (char)data[end - 1]);
-
- return outLen;
- }
-
- private int nextI(byte[] data, int i, int finish)
- {
- while ((i < finish) && ignore((char)data[i]))
- {
- i++;
- }
- return i;
- }
-
- /**
- * decode the base 64 encoded String data writing it to the given output stream,
- * whitespace characters will be ignored.
- *
- * @return the number of bytes produced.
- */
- public int decode(
- String data,
- OutputStream out)
- throws IOException
- {
- byte b1, b2, b3, b4;
- int length = 0;
-
- int end = data.length();
-
- while (end > 0)
- {
- if (!ignore(data.charAt(end - 1)))
- {
- break;
- }
-
- end--;
- }
-
- int i = 0;
- int finish = end - 4;
-
- i = nextI(data, i, finish);
-
- while (i < finish)
- {
- b1 = decodingTable[data.charAt(i++)];
-
- i = nextI(data, i, finish);
-
- b2 = decodingTable[data.charAt(i++)];
-
- i = nextI(data, i, finish);
-
- b3 = decodingTable[data.charAt(i++)];
-
- i = nextI(data, i, finish);
-
- b4 = decodingTable[data.charAt(i++)];
-
- out.write((b1 << 2) | (b2 >> 4));
- out.write((b2 << 4) | (b3 >> 2));
- out.write((b3 << 6) | b4);
-
- length += 3;
-
- i = nextI(data, i, finish);
- }
-
- length += decodeLastBlock(out, data.charAt(end - 4), data.charAt(end - 3), data.charAt(end - 2), data.charAt(end - 1));
-
- return length;
- }
-
- private int decodeLastBlock(OutputStream out, char c1, char c2, char c3, char c4)
- throws IOException
- {
- byte b1, b2, b3, b4;
-
- if (c3 == padding)
- {
- b1 = decodingTable[c1];
- b2 = decodingTable[c2];
-
- out.write((b1 << 2) | (b2 >> 4));
-
- return 1;
- }
- else if (c4 == padding)
- {
- b1 = decodingTable[c1];
- b2 = decodingTable[c2];
- b3 = decodingTable[c3];
-
- out.write((b1 << 2) | (b2 >> 4));
- out.write((b2 << 4) | (b3 >> 2));
-
- return 2;
- }
- else
- {
- b1 = decodingTable[c1];
- b2 = decodingTable[c2];
- b3 = decodingTable[c3];
- b4 = decodingTable[c4];
-
- out.write((b1 << 2) | (b2 >> 4));
- out.write((b2 << 4) | (b3 >> 2));
- out.write((b3 << 6) | b4);
-
- return 3;
- }
- }
-
- private int nextI(String data, int i, int finish)
- {
- while ((i < finish) && ignore(data.charAt(i)))
- {
- i++;
- }
- return i;
- }
-}
diff --git a/src/org/spongycastle/util/encoders/Encoder.java b/src/org/spongycastle/util/encoders/Encoder.java
deleted file mode 100644
index 106c36b7..00000000
--- a/src/org/spongycastle/util/encoders/Encoder.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package org.spongycastle.util.encoders;
-
-import java.io.IOException;
-import java.io.OutputStream;
-
-/**
- * Encode and decode byte arrays (typically from binary to 7-bit ASCII
- * encodings).
- */
-public interface Encoder
-{
- int encode(byte[] data, int off, int length, OutputStream out) throws IOException;
-
- int decode(byte[] data, int off, int length, OutputStream out) throws IOException;
-
- int decode(String data, OutputStream out) throws IOException;
-}
diff --git a/src/org/spongycastle/util/io/pem/PemGenerationException.java b/src/org/spongycastle/util/io/pem/PemGenerationException.java
deleted file mode 100644
index 0127ca0c..00000000
--- a/src/org/spongycastle/util/io/pem/PemGenerationException.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package org.spongycastle.util.io.pem;
-
-import java.io.IOException;
-
-@SuppressWarnings("serial")
-public class PemGenerationException
- extends IOException
-{
- private Throwable cause;
-
- public PemGenerationException(String message, Throwable cause)
- {
- super(message);
- this.cause = cause;
- }
-
- public PemGenerationException(String message)
- {
- super(message);
- }
-
- public Throwable getCause()
- {
- return cause;
- }
-}
diff --git a/src/org/spongycastle/util/io/pem/PemHeader.java b/src/org/spongycastle/util/io/pem/PemHeader.java
deleted file mode 100644
index 4adb815e..00000000
--- a/src/org/spongycastle/util/io/pem/PemHeader.java
+++ /dev/null
@@ -1,66 +0,0 @@
-package org.spongycastle.util.io.pem;
-
-public class PemHeader
-{
- private String name;
- private String value;
-
- public PemHeader(String name, String value)
- {
- this.name = name;
- this.value = value;
- }
-
- public String getName()
- {
- return name;
- }
-
- public String getValue()
- {
- return value;
- }
-
- public int hashCode()
- {
- return getHashCode(this.name) + 31 * getHashCode(this.value);
- }
-
- public boolean equals(Object o)
- {
- if (!(o instanceof PemHeader))
- {
- return false;
- }
-
- PemHeader other = (PemHeader)o;
-
- return other == this || (isEqual(this.name, other.name) && isEqual(this.value, other.value));
- }
-
- private int getHashCode(String s)
- {
- if (s == null)
- {
- return 1;
- }
-
- return s.hashCode();
- }
-
- private boolean isEqual(String s1, String s2)
- {
- if (s1 == s2)
- {
- return true;
- }
-
- if (s1 == null || s2 == null)
- {
- return false;
- }
-
- return s1.equals(s2);
- }
-
-}
diff --git a/src/org/spongycastle/util/io/pem/PemObject.java b/src/org/spongycastle/util/io/pem/PemObject.java
deleted file mode 100644
index 6f7c79c5..00000000
--- a/src/org/spongycastle/util/io/pem/PemObject.java
+++ /dev/null
@@ -1,62 +0,0 @@
-package org.spongycastle.util.io.pem;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
-@SuppressWarnings("all")
-public class PemObject
- implements PemObjectGenerator
-{
- private static final List EMPTY_LIST = Collections.unmodifiableList(new ArrayList());
-
- private String type;
- private List headers;
- private byte[] content;
-
- /**
- * Generic constructor for object without headers.
- *
- * @param type pem object type.
- * @param content the binary content of the object.
- */
- public PemObject(String type, byte[] content)
- {
- this(type, EMPTY_LIST, content);
- }
-
- /**
- * Generic constructor for object with headers.
- *
- * @param type pem object type.
- * @param headers a list of PemHeader objects.
- * @param content the binary content of the object.
- */
- public PemObject(String type, List headers, byte[] content)
- {
- this.type = type;
- this.headers = Collections.unmodifiableList(headers);
- this.content = content;
- }
-
- public String getType()
- {
- return type;
- }
-
- public List getHeaders()
- {
- return headers;
- }
-
- public byte[] getContent()
- {
- return content;
- }
-
- public PemObject generate()
- throws PemGenerationException
- {
- return this;
- }
-}
diff --git a/src/org/spongycastle/util/io/pem/PemObjectGenerator.java b/src/org/spongycastle/util/io/pem/PemObjectGenerator.java
deleted file mode 100644
index 1a8cea6d..00000000
--- a/src/org/spongycastle/util/io/pem/PemObjectGenerator.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package org.spongycastle.util.io.pem;
-
-public interface PemObjectGenerator
-{
- PemObject generate()
- throws PemGenerationException;
-}
diff --git a/src/org/spongycastle/util/io/pem/PemWriter.java b/src/org/spongycastle/util/io/pem/PemWriter.java
deleted file mode 100644
index f5a6a363..00000000
--- a/src/org/spongycastle/util/io/pem/PemWriter.java
+++ /dev/null
@@ -1,138 +0,0 @@
-package org.spongycastle.util.io.pem;
-
-import java.io.BufferedWriter;
-import java.io.IOException;
-import java.io.Writer;
-import java.util.Iterator;
-
-import org.spongycastle.util.encoders.Base64;
-
-/**
- * A generic PEM writer, based on RFC 1421
- */
-@SuppressWarnings("all")
-public class PemWriter
- extends BufferedWriter
-{
- private static final int LINE_LENGTH = 64;
-
- private final int nlLength;
- private char[] buf = new char[LINE_LENGTH];
-
- /**
- * Base constructor.
- *
- * @param out output stream to use.
- */
- public PemWriter(Writer out)
- {
- super(out);
-
- String nl = System.getProperty("line.separator");
- if (nl != null)
- {
- nlLength = nl.length();
- }
- else
- {
- nlLength = 2;
- }
- }
-
- /**
- * Return the number of bytes or characters required to contain the
- * passed in object if it is PEM encoded.
- *
- * @param obj pem object to be output
- * @return an estimate of the number of bytes
- */
- public int getOutputSize(PemObject obj)
- {
- // BEGIN and END boundaries.
- int size = (2 * (obj.getType().length() + 10 + nlLength)) + 6 + 4;
-
- if (!obj.getHeaders().isEmpty())
- {
- for (Iterator it = obj.getHeaders().iterator(); it.hasNext();)
- {
- PemHeader hdr = (PemHeader)it.next();
-
- size += hdr.getName().length() + ": ".length() + hdr.getValue().length() + nlLength;
- }
-
- size += nlLength;
- }
-
- // base64 encoding
- int dataLen = ((obj.getContent().length + 2) / 3) * 4;
-
- size += dataLen + (((dataLen + LINE_LENGTH - 1) / LINE_LENGTH) * nlLength);
-
- return size;
- }
-
- public void writeObject(PemObjectGenerator objGen)
- throws IOException
- {
- PemObject obj = objGen.generate();
-
- writePreEncapsulationBoundary(obj.getType());
-
- if (!obj.getHeaders().isEmpty())
- {
- for (Iterator it = obj.getHeaders().iterator(); it.hasNext();)
- {
- PemHeader hdr = (PemHeader)it.next();
-
- this.write(hdr.getName());
- this.write(": ");
- this.write(hdr.getValue());
- this.newLine();
- }
-
- this.newLine();
- }
-
- writeEncoded(obj.getContent());
- writePostEncapsulationBoundary(obj.getType());
- }
-
- private void writeEncoded(byte[] bytes)
- throws IOException
- {
- bytes = Base64.encode(bytes);
-
- for (int i = 0; i < bytes.length; i += buf.length)
- {
- int index = 0;
-
- while (index != buf.length)
- {
- if ((i + index) >= bytes.length)
- {
- break;
- }
- buf[index] = (char)bytes[i + index];
- index++;
- }
- this.write(buf, 0, index);
- this.newLine();
- }
- }
-
- private void writePreEncapsulationBoundary(
- String type)
- throws IOException
- {
- this.write("-----BEGIN " + type + "-----");
- this.newLine();
- }
-
- private void writePostEncapsulationBoundary(
- String type)
- throws IOException
- {
- this.write("-----END " + type + "-----");
- this.newLine();
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 03:12:57 +0000