1 package org.bouncycastle.openssl; 2 3 import java.io.IOException; 4 import java.io.Writer; 5 import java.security.NoSuchProviderException; 6 import java.security.SecureRandom; 7 8 import org.bouncycastle.util.io.pem.PemGenerationException; 9 import org.bouncycastle.util.io.pem.PemObjectGenerator; 10 import org.bouncycastle.util.io.pem.PemWriter; 11 12 /** 13 * General purpose writer for OpenSSL PEM objects. 14 */ 15 public class PEMWriter 16 extends PemWriter 17 { 18 private String provider; 19 20 /** 21 * Base constructor. 22 * 23 * @param out output stream to use. 24 */ 25 public PEMWriter(Writer out) 26 { 27 this(out, "BC"); 28 } 29 30 public PEMWriter( 31 Writer out, 32 String provider) 33 { 34 super(out); 35 36 this.provider = provider; 37 } 38 39 public void writeObject( 40 Object obj) 41 throws IOException 42 { 43 try 44 { 45 super.writeObject(new MiscPEMGenerator(obj)); 46 } 47 catch (PemGenerationException e) 48 { 49 if (e.getCause() instanceof IOException) 50 { 51 throw (IOException)e.getCause(); 52 } 53 54 throw e; 55 } 56 } 57 58 public void writeObject( 59 PemObjectGenerator obj) 60 throws IOException 61 { 62 super.writeObject(obj); 63 } 64 65 public void writeObject( 66 Object obj, 67 String algorithm, 68 char[] password, 69 SecureRandom random) 70 throws IOException 71 { 72 try 73 { 74 super.writeObject(new MiscPEMGenerator(obj, algorithm, password, random, provider)); 75 } 76 catch (NoSuchProviderException e) 77 { 78 throw new EncryptionException(e.getMessage(), e); 79 } 80 } 81 } 82
