1b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallampackage org.bouncycastle.asn1; 2b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 3b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport java.io.IOException; 4b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 5b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam/** 6b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * DER T61String (also the teletex string) 7b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam */ 8b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallampublic class DERT61String 9c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom extends ASN1Object 10b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam implements DERString 11b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam{ 12b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam String string; 13b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 14b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam /** 15b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * return a T61 string from the passed in object. 16b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * 17b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * @exception IllegalArgumentException if the object cannot be converted. 18b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam */ 19b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public static DERT61String getInstance( 20b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam Object obj) 21b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 22b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam if (obj == null || obj instanceof DERT61String) 23b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 24b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return (DERT61String)obj; 25b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 26b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 27b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName()); 28b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 29b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 30b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam /** 31b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * return an T61 String from a tagged object. 32b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * 33b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * @param obj the tagged object holding the object we want 34b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * @param explicit true if the object is meant to be explicitly 35b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * tagged false otherwise. 36b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * @exception IllegalArgumentException if the tagged object cannot 37b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * be converted. 38b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam */ 39b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public static DERT61String getInstance( 40b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam ASN1TaggedObject obj, 41b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam boolean explicit) 42b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 436e736056d64d0e33b26cf9f7c4e351b496241fdeBrian Carlstrom DERObject o = obj.getObject(); 446e736056d64d0e33b26cf9f7c4e351b496241fdeBrian Carlstrom 456e736056d64d0e33b26cf9f7c4e351b496241fdeBrian Carlstrom if (explicit) 466e736056d64d0e33b26cf9f7c4e351b496241fdeBrian Carlstrom { 476e736056d64d0e33b26cf9f7c4e351b496241fdeBrian Carlstrom return getInstance(o); 486e736056d64d0e33b26cf9f7c4e351b496241fdeBrian Carlstrom } 496e736056d64d0e33b26cf9f7c4e351b496241fdeBrian Carlstrom else 506e736056d64d0e33b26cf9f7c4e351b496241fdeBrian Carlstrom { 516e736056d64d0e33b26cf9f7c4e351b496241fdeBrian Carlstrom return new DERT61String(ASN1OctetString.getInstance(o).getOctets()); 526e736056d64d0e33b26cf9f7c4e351b496241fdeBrian Carlstrom } 53b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 54b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 55b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam /** 56b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * basic constructor - with bytes. 57b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam */ 58b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public DERT61String( 59b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam byte[] string) 60b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 61b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam char[] cs = new char[string.length]; 62b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 63b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam for (int i = 0; i != cs.length; i++) 64b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 65b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam cs[i] = (char)(string[i] & 0xff); 66b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 67b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 68b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam this.string = new String(cs); 69b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 70b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 71b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam /** 72b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * basic constructor - with string. 73b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam */ 74b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public DERT61String( 75b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam String string) 76b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 77b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam this.string = string; 78b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 79b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 80b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public String getString() 81b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 82b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return string; 83b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 84b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 85c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom public String toString() 86c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom { 87c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom return string; 88c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom } 89c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom 90b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam void encode( 91b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam DEROutputStream out) 92b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam throws IOException 93b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 94b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam out.writeEncoded(T61_STRING, this.getOctets()); 95b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 96b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 97b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public byte[] getOctets() 98b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 99b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam char[] cs = string.toCharArray(); 100b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam byte[] bs = new byte[cs.length]; 101b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 102b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam for (int i = 0; i != cs.length; i++) 103b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 104b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam bs[i] = (byte)cs[i]; 105b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 106b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 107b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return bs; 108b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 109b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 110c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom boolean asn1Equals( 111c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom DERObject o) 112b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 113c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom if (!(o instanceof DERT61String)) 114b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 115b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return false; 116b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 117b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 118b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return this.getString().equals(((DERT61String)o).getString()); 119b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 120b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 121b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public int hashCode() 122b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 123b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return this.getString().hashCode(); 124b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 125b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam} 126