http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
class org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder implements org.bouncycastle.jce.provider.DSAEncoder
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder
  super_class: java.lang.Object
{
  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder this
         0: .line 272
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/jce/provider/asymmetric/ec/Signature$CVCDSAEncoder;

  public byte[] encode(java.math.BigInteger, java.math.BigInteger);
    descriptor: (Ljava/math/BigInteger;Ljava/math/BigInteger;)[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=6, args_size=3
        start local 0 // org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder this
        start local 1 // java.math.BigInteger r
        start local 2 // java.math.BigInteger s
         0: .line 280
            aload 0 /* this */
            aload 1 /* r */
            invokevirtual org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder.makeUnsigned:(Ljava/math/BigInteger;)[B
            astore 3 /* first */
        start local 3 // byte[] first
         1: .line 281
            aload 0 /* this */
            aload 2 /* s */
            invokevirtual org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder.makeUnsigned:(Ljava/math/BigInteger;)[B
            astore 4 /* second */
        start local 4 // byte[] second
         2: .line 284
            aload 3 /* first */
            arraylength
            aload 4 /* second */
            arraylength
            if_icmple 5
         3: .line 286
            aload 3 /* first */
            arraylength
            iconst_2
            imul
            newarray 8
            astore 5 /* res */
        start local 5 // byte[] res
         4: .line 287
            goto 6
        end local 5 // byte[] res
         5: .line 290
      StackMap locals: byte[] byte[]
      StackMap stack:
            aload 4 /* second */
            arraylength
            iconst_2
            imul
            newarray 8
            astore 5 /* res */
        start local 5 // byte[] res
         6: .line 293
      StackMap locals: byte[]
      StackMap stack:
            aload 3 /* first */
            iconst_0
            aload 5 /* res */
            aload 5 /* res */
            arraylength
            iconst_2
            idiv
            aload 3 /* first */
            arraylength
            isub
            aload 3 /* first */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         7: .line 294
            aload 4 /* second */
            iconst_0
            aload 5 /* res */
            aload 5 /* res */
            arraylength
            aload 4 /* second */
            arraylength
            isub
            aload 4 /* second */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         8: .line 296
            aload 5 /* res */
            areturn
        end local 5 // byte[] res
        end local 4 // byte[] second
        end local 3 // byte[] first
        end local 2 // java.math.BigInteger s
        end local 1 // java.math.BigInteger r
        end local 0 // org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    9     0    this  Lorg/bouncycastle/jce/provider/asymmetric/ec/Signature$CVCDSAEncoder;
            0    9     1       r  Ljava/math/BigInteger;
            0    9     2       s  Ljava/math/BigInteger;
            1    9     3   first  [B
            2    9     4  second  [B
            4    5     5     res  [B
            6    9     5     res  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      r     
      s     

  private byte[] makeUnsigned(java.math.BigInteger);
    descriptor: (Ljava/math/BigInteger;)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder this
        start local 1 // java.math.BigInteger val
         0: .line 302
            aload 1 /* val */
            invokevirtual java.math.BigInteger.toByteArray:()[B
            astore 2 /* res */
        start local 2 // byte[] res
         1: .line 304
            aload 2 /* res */
            iconst_0
            baload
            ifne 5
         2: .line 306
            aload 2 /* res */
            arraylength
            iconst_1
            isub
            newarray 8
            astore 3 /* tmp */
        start local 3 // byte[] tmp
         3: .line 308
            aload 2 /* res */
            iconst_1
            aload 3 /* tmp */
            iconst_0
            aload 3 /* tmp */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         4: .line 310
            aload 3 /* tmp */
            areturn
        end local 3 // byte[] tmp
         5: .line 313
      StackMap locals: byte[]
      StackMap stack:
            aload 2 /* res */
            areturn
        end local 2 // byte[] res
        end local 1 // java.math.BigInteger val
        end local 0 // org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/bouncycastle/jce/provider/asymmetric/ec/Signature$CVCDSAEncoder;
            0    6     1   val  Ljava/math/BigInteger;
            1    6     2   res  [B
            3    5     3   tmp  [B
    MethodParameters:
      Name  Flags
      val   

  public java.math.BigInteger[] decode(byte[]);
    descriptor: ([B)[Ljava/math/BigInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=5, args_size=2
        start local 0 // org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder this
        start local 1 // byte[] encoding
         0: .line 320
            iconst_2
            anewarray java.math.BigInteger
            astore 2 /* sig */
        start local 2 // java.math.BigInteger[] sig
         1: .line 322
            aload 1 /* encoding */
            arraylength
            iconst_2
            idiv
            newarray 8
            astore 3 /* first */
        start local 3 // byte[] first
         2: .line 323
            aload 1 /* encoding */
            arraylength
            iconst_2
            idiv
            newarray 8
            astore 4 /* second */
        start local 4 // byte[] second
         3: .line 325
            aload 1 /* encoding */
            iconst_0
            aload 3 /* first */
            iconst_0
            aload 3 /* first */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         4: .line 326
            aload 1 /* encoding */
            aload 3 /* first */
            arraylength
            aload 4 /* second */
            iconst_0
            aload 4 /* second */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         5: .line 328
            aload 2 /* sig */
            iconst_0
            new java.math.BigInteger
            dup
            iconst_1
            aload 3 /* first */
            invokespecial java.math.BigInteger.<init>:(I[B)V
            aastore
         6: .line 329
            aload 2 /* sig */
            iconst_1
            new java.math.BigInteger
            dup
            iconst_1
            aload 4 /* second */
            invokespecial java.math.BigInteger.<init>:(I[B)V
            aastore
         7: .line 331
            aload 2 /* sig */
            areturn
        end local 4 // byte[] second
        end local 3 // byte[] first
        end local 2 // java.math.BigInteger[] sig
        end local 1 // byte[] encoding
        end local 0 // org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    8     0      this  Lorg/bouncycastle/jce/provider/asymmetric/ec/Signature$CVCDSAEncoder;
            0    8     1  encoding  [B
            1    8     2       sig  [Ljava/math/BigInteger;
            2    8     3     first  [B
            3    8     4    second  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      encoding  
}
SourceFile: "Signature.java"
NestHost: org.bouncycastle.jce.provider.asymmetric.ec.Signature
InnerClasses:
  private CVCDSAEncoder = org.bouncycastle.jce.provider.asymmetric.ec.Signature$CVCDSAEncoder of org.bouncycastle.jce.provider.asymmetric.ec.Signature