net.i2p.crypto
Class DSAEngine

java.lang.Object
  extended by net.i2p.crypto.DSAEngine
Direct Known Subclasses:
DummyDSAEngine

public class DSAEngine
extends Object

Params and rv's changed from Hash to SHA1Hash for version 0.8.1 There shouldn't be any external users of those variants.


Constructor Summary
DSAEngine(I2PAppContext context)
           
 
Method Summary
static SHA1Hash calculateHash(byte[] source, int offset, int len)
           
 SHA1Hash calculateHash(InputStream in)
           
static DSAEngine getInstance()
           
static void main(String[] args)
           
 Signature sign(byte[] data, int offset, int length, SigningPrivateKey signingKey)
           
 Signature sign(byte[] data, SigningPrivateKey signingKey)
           
 Signature sign(InputStream in, SigningPrivateKey signingKey)
           
 Signature sign(SHA1Hash hash, SigningPrivateKey signingKey)
           
 boolean verifySignature(Signature signature, byte[] signedData, int offset, int size, SigningPublicKey verifyingKey)
           
 boolean verifySignature(Signature signature, byte[] signedData, SigningPublicKey verifyingKey)
           
 boolean verifySignature(Signature signature, InputStream in, SigningPublicKey verifyingKey)
           
 boolean verifySignature(Signature signature, SHA1Hash hash, SigningPublicKey verifyingKey)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DSAEngine

public DSAEngine(I2PAppContext context)
Method Detail

getInstance

public static DSAEngine getInstance()

verifySignature

public boolean verifySignature(Signature signature,
                               byte[] signedData,
                               SigningPublicKey verifyingKey)

verifySignature

public boolean verifySignature(Signature signature,
                               byte[] signedData,
                               int offset,
                               int size,
                               SigningPublicKey verifyingKey)

verifySignature

public boolean verifySignature(Signature signature,
                               InputStream in,
                               SigningPublicKey verifyingKey)

verifySignature

public boolean verifySignature(Signature signature,
                               SHA1Hash hash,
                               SigningPublicKey verifyingKey)
Parameters:
hash - SHA-1 hash, NOT a SHA-256 hash

sign

public Signature sign(byte[] data,
                      SigningPrivateKey signingKey)

sign

public Signature sign(byte[] data,
                      int offset,
                      int length,
                      SigningPrivateKey signingKey)

sign

public Signature sign(InputStream in,
                      SigningPrivateKey signingKey)

sign

public Signature sign(SHA1Hash hash,
                      SigningPrivateKey signingKey)
Parameters:
hash - SHA-1 hash, NOT a SHA-256 hash

calculateHash

public SHA1Hash calculateHash(InputStream in)
Returns:
hash SHA-1 hash, NOT a SHA-256 hash

calculateHash

public static SHA1Hash calculateHash(byte[] source,
                                     int offset,
                                     int len)
Returns:
hash SHA-1 hash, NOT a SHA-256 hash

main

public static void main(String[] args)