com.jcraft/jsch/0.1.55 : com/jcraft/jsch/jce/DH.class

http://www.jcraft.com/jsch/: JSch is a pure Java implementation of SSH2 (JCraft,Inc.)
Revised BSD
Atsuhiko Yamanaka (JCraft,Inc.)
public class com.jcraft.jsch.jce.DH implements com.jcraft.jsch.DH
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.jcraft.jsch.jce.DH
  super_class: java.lang.Object
{
  java.math.BigInteger p;
    descriptor: Ljava/math/BigInteger;
    flags: (0x0000) 

  java.math.BigInteger g;
    descriptor: Ljava/math/BigInteger;
    flags: (0x0000) 

  java.math.BigInteger e;
    descriptor: Ljava/math/BigInteger;
    flags: (0x0000) 

  byte[] e_array;
    descriptor: [B
    flags: (0x0000) 

  java.math.BigInteger f;
    descriptor: Ljava/math/BigInteger;
    flags: (0x0000) 

  java.math.BigInteger K;
    descriptor: Ljava/math/BigInteger;
    flags: (0x0000) 

  byte[] K_array;
    descriptor: [B
    flags: (0x0000) 

  private java.security.KeyPairGenerator myKpairGen;
    descriptor: Ljava/security/KeyPairGenerator;
    flags: (0x0002) ACC_PRIVATE

  private javax.crypto.KeyAgreement myKeyAgree;
    descriptor: Ljavax/crypto/KeyAgreement;
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.jce.DH this
         0: .line 38
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/DH;

  public void init();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.jce.DH this
         0: .line 50
            aload 0 /* this */
            ldc "DH"
            invokestatic java.security.KeyPairGenerator.getInstance:(Ljava/lang/String;)Ljava/security/KeyPairGenerator;
            putfield com.jcraft.jsch.jce.DH.myKpairGen:Ljava/security/KeyPairGenerator;
         1: .line 51
            aload 0 /* this */
            ldc "DH"
            invokestatic javax.crypto.KeyAgreement.getInstance:(Ljava/lang/String;)Ljavax/crypto/KeyAgreement;
            putfield com.jcraft.jsch.jce.DH.myKeyAgree:Ljavax/crypto/KeyAgreement;
         2: .line 52
            return
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/jcraft/jsch/jce/DH;
    Exceptions:
      throws java.lang.Exception

  public byte[] getE();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=1
        start local 0 // com.jcraft.jsch.jce.DH this
         0: .line 54
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.e:Ljava/math/BigInteger;
            ifnonnull 7
         1: .line 55
            new javax.crypto.spec.DHParameterSpec
            dup
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.p:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.g:Ljava/math/BigInteger;
            invokespecial javax.crypto.spec.DHParameterSpec.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            astore 1 /* dhSkipParamSpec */
        start local 1 // javax.crypto.spec.DHParameterSpec dhSkipParamSpec
         2: .line 56
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.myKpairGen:Ljava/security/KeyPairGenerator;
            aload 1 /* dhSkipParamSpec */
            invokevirtual java.security.KeyPairGenerator.initialize:(Ljava/security/spec/AlgorithmParameterSpec;)V
         3: .line 57
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.myKpairGen:Ljava/security/KeyPairGenerator;
            invokevirtual java.security.KeyPairGenerator.generateKeyPair:()Ljava/security/KeyPair;
            astore 2 /* myKpair */
        start local 2 // java.security.KeyPair myKpair
         4: .line 58
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.myKeyAgree:Ljavax/crypto/KeyAgreement;
            aload 2 /* myKpair */
            invokevirtual java.security.KeyPair.getPrivate:()Ljava/security/PrivateKey;
            invokevirtual javax.crypto.KeyAgreement.init:(Ljava/security/Key;)V
         5: .line 59
            aload 0 /* this */
            aload 2 /* myKpair */
            invokevirtual java.security.KeyPair.getPublic:()Ljava/security/PublicKey;
            checkcast javax.crypto.interfaces.DHPublicKey
            invokeinterface javax.crypto.interfaces.DHPublicKey.getY:()Ljava/math/BigInteger;
            putfield com.jcraft.jsch.jce.DH.e:Ljava/math/BigInteger;
         6: .line 60
            aload 0 /* this */
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.e:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.toByteArray:()[B
            putfield com.jcraft.jsch.jce.DH.e_array:[B
        end local 2 // java.security.KeyPair myKpair
        end local 1 // javax.crypto.spec.DHParameterSpec dhSkipParamSpec
         7: .line 62
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.e_array:[B
            areturn
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    8     0             this  Lcom/jcraft/jsch/jce/DH;
            2    7     1  dhSkipParamSpec  Ljavax/crypto/spec/DHParameterSpec;
            4    7     2          myKpair  Ljava/security/KeyPair;
    Exceptions:
      throws java.lang.Exception

  public byte[] getK();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=1
        start local 0 // com.jcraft.jsch.jce.DH this
         0: .line 65
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.K:Ljava/math/BigInteger;
            ifnonnull 9
         1: .line 66
            ldc "DH"
            invokestatic java.security.KeyFactory.getInstance:(Ljava/lang/String;)Ljava/security/KeyFactory;
            astore 1 /* myKeyFac */
        start local 1 // java.security.KeyFactory myKeyFac
         2: .line 67
            new javax.crypto.spec.DHPublicKeySpec
            dup
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.f:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.p:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.g:Ljava/math/BigInteger;
            invokespecial javax.crypto.spec.DHPublicKeySpec.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            astore 2 /* keySpec */
        start local 2 // javax.crypto.spec.DHPublicKeySpec keySpec
         3: .line 68
            aload 1 /* myKeyFac */
            aload 2 /* keySpec */
            invokevirtual java.security.KeyFactory.generatePublic:(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;
            astore 3 /* yourPubKey */
        start local 3 // java.security.PublicKey yourPubKey
         4: .line 69
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.myKeyAgree:Ljavax/crypto/KeyAgreement;
            aload 3 /* yourPubKey */
            iconst_1
            invokevirtual javax.crypto.KeyAgreement.doPhase:(Ljava/security/Key;Z)Ljava/security/Key;
            pop
         5: .line 70
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.myKeyAgree:Ljavax/crypto/KeyAgreement;
            invokevirtual javax.crypto.KeyAgreement.generateSecret:()[B
            astore 4 /* mySharedSecret */
        start local 4 // byte[] mySharedSecret
         6: .line 71
            aload 0 /* this */
            new java.math.BigInteger
            dup
            iconst_1
            aload 4 /* mySharedSecret */
            invokespecial java.math.BigInteger.<init>:(I[B)V
            putfield com.jcraft.jsch.jce.DH.K:Ljava/math/BigInteger;
         7: .line 72
            aload 0 /* this */
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.K:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.toByteArray:()[B
            putfield com.jcraft.jsch.jce.DH.K_array:[B
         8: .line 73
            aload 0 /* this */
            aload 4 /* mySharedSecret */
            putfield com.jcraft.jsch.jce.DH.K_array:[B
        end local 4 // byte[] mySharedSecret
        end local 3 // java.security.PublicKey yourPubKey
        end local 2 // javax.crypto.spec.DHPublicKeySpec keySpec
        end local 1 // java.security.KeyFactory myKeyFac
         9: .line 75
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.K_array:[B
            areturn
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   10     0            this  Lcom/jcraft/jsch/jce/DH;
            2    9     1        myKeyFac  Ljava/security/KeyFactory;
            3    9     2         keySpec  Ljavax/crypto/spec/DHPublicKeySpec;
            4    9     3      yourPubKey  Ljava/security/PublicKey;
            6    9     4  mySharedSecret  [B
    Exceptions:
      throws java.lang.Exception

  public void setP(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // com.jcraft.jsch.jce.DH this
        start local 1 // byte[] p
         0: .line 77
            aload 0 /* this */
            new java.math.BigInteger
            dup
            iconst_1
            aload 1 /* p */
            invokespecial java.math.BigInteger.<init>:(I[B)V
            invokevirtual com.jcraft.jsch.jce.DH.setP:(Ljava/math/BigInteger;)V
            return
        end local 1 // byte[] p
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/DH;
            0    1     1     p  [B
    MethodParameters:
      Name  Flags
      p     

  public void setG(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // com.jcraft.jsch.jce.DH this
        start local 1 // byte[] g
         0: .line 78
            aload 0 /* this */
            new java.math.BigInteger
            dup
            iconst_1
            aload 1 /* g */
            invokespecial java.math.BigInteger.<init>:(I[B)V
            invokevirtual com.jcraft.jsch.jce.DH.setG:(Ljava/math/BigInteger;)V
            return
        end local 1 // byte[] g
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/DH;
            0    1     1     g  [B
    MethodParameters:
      Name  Flags
      g     

  public void setF(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // com.jcraft.jsch.jce.DH this
        start local 1 // byte[] f
         0: .line 79
            aload 0 /* this */
            new java.math.BigInteger
            dup
            iconst_1
            aload 1 /* f */
            invokespecial java.math.BigInteger.<init>:(I[B)V
            invokevirtual com.jcraft.jsch.jce.DH.setF:(Ljava/math/BigInteger;)V
            return
        end local 1 // byte[] f
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/DH;
            0    1     1     f  [B
    MethodParameters:
      Name  Flags
      f     

  void setP(java.math.BigInteger);
    descriptor: (Ljava/math/BigInteger;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.jcraft.jsch.jce.DH this
        start local 1 // java.math.BigInteger p
         0: .line 80
            aload 0 /* this */
            aload 1 /* p */
            putfield com.jcraft.jsch.jce.DH.p:Ljava/math/BigInteger;
            return
        end local 1 // java.math.BigInteger p
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/DH;
            0    1     1     p  Ljava/math/BigInteger;
    MethodParameters:
      Name  Flags
      p     

  void setG(java.math.BigInteger);
    descriptor: (Ljava/math/BigInteger;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.jcraft.jsch.jce.DH this
        start local 1 // java.math.BigInteger g
         0: .line 81
            aload 0 /* this */
            aload 1 /* g */
            putfield com.jcraft.jsch.jce.DH.g:Ljava/math/BigInteger;
            return
        end local 1 // java.math.BigInteger g
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/DH;
            0    1     1     g  Ljava/math/BigInteger;
    MethodParameters:
      Name  Flags
      g     

  void setF(java.math.BigInteger);
    descriptor: (Ljava/math/BigInteger;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.jcraft.jsch.jce.DH this
        start local 1 // java.math.BigInteger f
         0: .line 82
            aload 0 /* this */
            aload 1 /* f */
            putfield com.jcraft.jsch.jce.DH.f:Ljava/math/BigInteger;
            return
        end local 1 // java.math.BigInteger f
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/DH;
            0    1     1     f  Ljava/math/BigInteger;
    MethodParameters:
      Name  Flags
      f     

  public void checkRange();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.jce.DH this
         0: .line 90
            return
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/DH;
    Exceptions:
      throws java.lang.Exception

  private void checkRange(java.math.BigInteger);
    descriptor: (Ljava/math/BigInteger;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // com.jcraft.jsch.jce.DH this
        start local 1 // java.math.BigInteger tmp
         0: .line 93
            getstatic java.math.BigInteger.ONE:Ljava/math/BigInteger;
            astore 2 /* one */
        start local 2 // java.math.BigInteger one
         1: .line 94
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.DH.p:Ljava/math/BigInteger;
            aload 2 /* one */
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 3 /* p_1 */
        start local 3 // java.math.BigInteger p_1
         2: .line 96
            aload 2 /* one */
            aload 1 /* tmp */
            invokevirtual java.math.BigInteger.compareTo:(Ljava/math/BigInteger;)I
            ifge 3
            aload 1 /* tmp */
            aload 3 /* p_1 */
            invokevirtual java.math.BigInteger.compareTo:(Ljava/math/BigInteger;)I
            iflt 4
         3: .line 97
      StackMap locals: java.math.BigInteger java.math.BigInteger
      StackMap stack:
            new com.jcraft.jsch.JSchException
            dup
            ldc "invalid DH value"
            invokespecial com.jcraft.jsch.JSchException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 99
      StackMap locals:
      StackMap stack:
            return
        end local 3 // java.math.BigInteger p_1
        end local 2 // java.math.BigInteger one
        end local 1 // java.math.BigInteger tmp
        end local 0 // com.jcraft.jsch.jce.DH this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lcom/jcraft/jsch/jce/DH;
            0    5     1   tmp  Ljava/math/BigInteger;
            1    5     2   one  Ljava/math/BigInteger;
            2    5     3   p_1  Ljava/math/BigInteger;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      tmp   
}
SourceFile: "DH.java"
/

com.jcraft/ jsch/ 0.1.55/ com/jcraft/jsch/jce/DH.class
