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

KeyPairGenECDSA
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.KeyPairGenECDSA implements com.jcraft.jsch.KeyPairGenECDSA
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.jcraft.jsch.jce.KeyPairGenECDSA
  super_class: java.lang.Object
{
  byte[] d;
    descriptor: [B
    flags: (0x0000) 

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

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

  java.security.interfaces.ECPublicKey pubKey;
    descriptor: Ljava/security/interfaces/ECPublicKey;
    flags: (0x0000) 

  java.security.interfaces.ECPrivateKey prvKey;
    descriptor: Ljava/security/interfaces/ECPrivateKey;
    flags: (0x0000) 

  java.security.spec.ECParameterSpec params;
    descriptor: Ljava/security/spec/ECParameterSpec;
    flags: (0x0000) 

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
         0: .line 37
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/KeyPairGenECDSA;

  public void init(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=8, args_size=2
        start local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
        start local 1 // int key_size
         0: .line 45
            aconst_null
            astore 2 /* name */
        start local 2 // java.lang.String name
         1: .line 46
            iload 1 /* key_size */
            sipush 256
            if_icmpne 2
            ldc "secp256r1"
            astore 2 /* name */
            goto 5
         2: .line 47
      StackMap locals: java.lang.String
      StackMap stack:
            iload 1 /* key_size */
            sipush 384
            if_icmpne 3
            ldc "secp384r1"
            astore 2 /* name */
            goto 5
         3: .line 48
      StackMap locals:
      StackMap stack:
            iload 1 /* key_size */
            sipush 521
            if_icmpne 4
            ldc "secp521r1"
            astore 2 /* name */
            goto 5
         4: .line 49
      StackMap locals:
      StackMap stack:
            new com.jcraft.jsch.JSchException
            dup
            new java.lang.StringBuilder
            dup
            ldc "unsupported key size: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* key_size */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial com.jcraft.jsch.JSchException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 51
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         6: goto 23
         7: .line 52
      StackMap locals: int
      StackMap stack:
            ldc "EC"
            invokestatic java.security.KeyPairGenerator.getInstance:(Ljava/lang/String;)Ljava/security/KeyPairGenerator;
            astore 4 /* kpg */
        start local 4 // java.security.KeyPairGenerator kpg
         8: .line 53
            new java.security.spec.ECGenParameterSpec
            dup
            aload 2 /* name */
            invokespecial java.security.spec.ECGenParameterSpec.<init>:(Ljava/lang/String;)V
            astore 5 /* ecsp */
        start local 5 // java.security.spec.ECGenParameterSpec ecsp
         9: .line 54
            aload 4 /* kpg */
            aload 5 /* ecsp */
            invokevirtual java.security.KeyPairGenerator.initialize:(Ljava/security/spec/AlgorithmParameterSpec;)V
        10: .line 55
            aload 4 /* kpg */
            invokevirtual java.security.KeyPairGenerator.genKeyPair:()Ljava/security/KeyPair;
            astore 6 /* kp */
        start local 6 // java.security.KeyPair kp
        11: .line 56
            aload 0 /* this */
            aload 6 /* kp */
            invokevirtual java.security.KeyPair.getPrivate:()Ljava/security/PrivateKey;
            checkcast java.security.interfaces.ECPrivateKey
            putfield com.jcraft.jsch.jce.KeyPairGenECDSA.prvKey:Ljava/security/interfaces/ECPrivateKey;
        12: .line 57
            aload 0 /* this */
            aload 6 /* kp */
            invokevirtual java.security.KeyPair.getPublic:()Ljava/security/PublicKey;
            checkcast java.security.interfaces.ECPublicKey
            putfield com.jcraft.jsch.jce.KeyPairGenECDSA.pubKey:Ljava/security/interfaces/ECPublicKey;
        13: .line 58
            aload 0 /* this */
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.pubKey:Ljava/security/interfaces/ECPublicKey;
            invokeinterface java.security.interfaces.ECPublicKey.getParams:()Ljava/security/spec/ECParameterSpec;
            putfield com.jcraft.jsch.jce.KeyPairGenECDSA.params:Ljava/security/spec/ECParameterSpec;
        14: .line 59
            aload 0 /* this */
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.prvKey:Ljava/security/interfaces/ECPrivateKey;
            invokeinterface java.security.interfaces.ECPrivateKey.getS:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.toByteArray:()[B
            putfield com.jcraft.jsch.jce.KeyPairGenECDSA.d:[B
        15: .line 60
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.pubKey:Ljava/security/interfaces/ECPublicKey;
            invokeinterface java.security.interfaces.ECPublicKey.getW:()Ljava/security/spec/ECPoint;
            astore 7 /* w */
        start local 7 // java.security.spec.ECPoint w
        16: .line 61
            aload 0 /* this */
            aload 7 /* w */
            invokevirtual java.security.spec.ECPoint.getAffineX:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.toByteArray:()[B
            putfield com.jcraft.jsch.jce.KeyPairGenECDSA.r:[B
        17: .line 62
            aload 0 /* this */
            aload 7 /* w */
            invokevirtual java.security.spec.ECPoint.getAffineY:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.toByteArray:()[B
            putfield com.jcraft.jsch.jce.KeyPairGenECDSA.s:[B
        18: .line 64
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.r:[B
            arraylength
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.s:[B
            arraylength
            if_icmpeq 19
            goto 22
        19: .line 65
      StackMap locals: com.jcraft.jsch.jce.KeyPairGenECDSA int java.lang.String int java.security.KeyPairGenerator java.security.spec.ECGenParameterSpec java.security.KeyPair java.security.spec.ECPoint
      StackMap stack:
            iload 1 /* key_size */
            sipush 256
            if_icmpne 20
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.r:[B
            arraylength
            bipush 32
            if_icmpne 20
            goto 24
        20: .line 66
      StackMap locals:
      StackMap stack:
            iload 1 /* key_size */
            sipush 384
            if_icmpne 21
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.r:[B
            arraylength
            bipush 48
            if_icmpne 21
            goto 24
        21: .line 67
      StackMap locals:
      StackMap stack:
            iload 1 /* key_size */
            sipush 521
            if_icmpne 22
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.r:[B
            arraylength
            bipush 66
            if_icmpne 22
            goto 24
        end local 7 // java.security.spec.ECPoint w
        end local 6 // java.security.KeyPair kp
        end local 5 // java.security.spec.ECGenParameterSpec ecsp
        end local 4 // java.security.KeyPairGenerator kpg
        22: .line 51
      StackMap locals: com.jcraft.jsch.jce.KeyPairGenECDSA int java.lang.String int
      StackMap stack:
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
        23: iload 3 /* i */
            sipush 1000
            if_icmplt 7
        end local 3 // int i
        24: .line 69
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.d:[B
            arraylength
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.r:[B
            arraylength
            if_icmpge 26
        25: .line 70
            aload 0 /* this */
            aload 0 /* this */
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.d:[B
            invokevirtual com.jcraft.jsch.jce.KeyPairGenECDSA.insert0:([B)[B
            putfield com.jcraft.jsch.jce.KeyPairGenECDSA.d:[B
        26: .line 72
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.lang.String name
        end local 1 // int key_size
        end local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   27     0      this  Lcom/jcraft/jsch/jce/KeyPairGenECDSA;
            0   27     1  key_size  I
            1   27     2      name  Ljava/lang/String;
            6   24     3         i  I
            8   22     4       kpg  Ljava/security/KeyPairGenerator;
            9   22     5      ecsp  Ljava/security/spec/ECGenParameterSpec;
           11   22     6        kp  Ljava/security/KeyPair;
           16   22     7         w  Ljava/security/spec/ECPoint;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
          Name  Flags
      key_size  

  public byte[] getD();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
         0: .line 73
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.d:[B
            areturn
        end local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/KeyPairGenECDSA;

  public byte[] getR();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
         0: .line 74
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.r:[B
            areturn
        end local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/KeyPairGenECDSA;

  public byte[] getS();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
         0: .line 75
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.s:[B
            areturn
        end local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/KeyPairGenECDSA;

  java.security.interfaces.ECPublicKey getPublicKey();
    descriptor: ()Ljava/security/interfaces/ECPublicKey;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
         0: .line 76
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.pubKey:Ljava/security/interfaces/ECPublicKey;
            areturn
        end local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/KeyPairGenECDSA;

  java.security.interfaces.ECPrivateKey getPrivateKey();
    descriptor: ()Ljava/security/interfaces/ECPrivateKey;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
         0: .line 77
            aload 0 /* this */
            getfield com.jcraft.jsch.jce.KeyPairGenECDSA.prvKey:Ljava/security/interfaces/ECPrivateKey;
            areturn
        end local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/jce/KeyPairGenECDSA;

  private byte[] insert0(byte[]);
    descriptor: ([B)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
        start local 1 // byte[] buf
         0: .line 81
            aload 1 /* buf */
            arraylength
            iconst_1
            iadd
            newarray 8
            astore 2 /* tmp */
        start local 2 // byte[] tmp
         1: .line 82
            aload 1 /* buf */
            iconst_0
            aload 2 /* tmp */
            iconst_1
            aload 1 /* buf */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         2: .line 83
            aload 0 /* this */
            aload 1 /* buf */
            invokevirtual com.jcraft.jsch.jce.KeyPairGenECDSA.bzero:([B)V
         3: .line 84
            aload 2 /* tmp */
            areturn
        end local 2 // byte[] tmp
        end local 1 // byte[] buf
        end local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/jcraft/jsch/jce/KeyPairGenECDSA;
            0    4     1   buf  [B
            1    4     2   tmp  [B
    MethodParameters:
      Name  Flags
      buf   

  private byte[] chop0(byte[]);
    descriptor: ([B)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
        start local 1 // byte[] buf
         0: .line 87
            aload 1 /* buf */
            iconst_0
            baload
            ifne 1
            aload 1 /* buf */
            iconst_1
            baload
            sipush 128
            iand
            ifne 2
      StackMap locals:
      StackMap stack:
         1: aload 1 /* buf */
            areturn
         2: .line 88
      StackMap locals:
      StackMap stack:
            aload 1 /* buf */
            arraylength
            iconst_1
            isub
            newarray 8
            astore 2 /* tmp */
        start local 2 // byte[] tmp
         3: .line 89
            aload 1 /* buf */
            iconst_1
            aload 2 /* tmp */
            iconst_0
            aload 2 /* tmp */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         4: .line 90
            aload 0 /* this */
            aload 1 /* buf */
            invokevirtual com.jcraft.jsch.jce.KeyPairGenECDSA.bzero:([B)V
         5: .line 91
            aload 2 /* tmp */
            areturn
        end local 2 // byte[] tmp
        end local 1 // byte[] buf
        end local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lcom/jcraft/jsch/jce/KeyPairGenECDSA;
            0    6     1   buf  [B
            3    6     2   tmp  [B
    MethodParameters:
      Name  Flags
      buf   

  private void bzero(byte[]);
    descriptor: ([B)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
        start local 1 // byte[] buf
         0: .line 94
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         1: goto 3
      StackMap locals: int
      StackMap stack:
         2: aload 1 /* buf */
            iload 2 /* i */
            iconst_0
            bastore
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
         3: iload 2 /* i */
            aload 1 /* buf */
            arraylength
            if_icmplt 2
        end local 2 // int i
         4: .line 95
            return
        end local 1 // byte[] buf
        end local 0 // com.jcraft.jsch.jce.KeyPairGenECDSA this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lcom/jcraft/jsch/jce/KeyPairGenECDSA;
            0    5     1   buf  [B
            1    4     2     i  I
    MethodParameters:
      Name  Flags
      buf   
}
SourceFile: "KeyPairGenECDSA.java"
/

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