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. 
public class org.bouncycastle.jce.provider.JDKDSASigner extends java.security.SignatureSpi implements org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers, org.bouncycastle.asn1.x509.X509ObjectIdentifiers
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.jce.provider.JDKDSASigner
  super_class: java.security.SignatureSpi
{
  private org.bouncycastle.crypto.Digest digest;
    descriptor: Lorg/bouncycastle/crypto/Digest;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.crypto.DSA signer;
    descriptor: Lorg/bouncycastle/crypto/DSA;
    flags: (0x0002) ACC_PRIVATE

  private java.security.SecureRandom random;
    descriptor: Ljava/security/SecureRandom;
    flags: (0x0002) ACC_PRIVATE

  protected void <init>(org.bouncycastle.crypto.Digest, org.bouncycastle.crypto.DSA);
    descriptor: (Lorg/bouncycastle/crypto/Digest;Lorg/bouncycastle/crypto/DSA;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // org.bouncycastle.crypto.Digest digest
        start local 2 // org.bouncycastle.crypto.DSA signer
         0: .line 42
            aload 0 /* this */
            invokespecial java.security.SignatureSpi.<init>:()V
         1: .line 46
            aload 0 /* this */
            aload 1 /* digest */
            putfield org.bouncycastle.jce.provider.JDKDSASigner.digest:Lorg/bouncycastle/crypto/Digest;
         2: .line 47
            aload 0 /* this */
            aload 2 /* signer */
            putfield org.bouncycastle.jce.provider.JDKDSASigner.signer:Lorg/bouncycastle/crypto/DSA;
         3: .line 48
            return
        end local 2 // org.bouncycastle.crypto.DSA signer
        end local 1 // org.bouncycastle.crypto.Digest digest
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0    4     1  digest  Lorg/bouncycastle/crypto/Digest;
            0    4     2  signer  Lorg/bouncycastle/crypto/DSA;
    MethodParameters:
        Name  Flags
      digest  
      signer  

  protected void engineInitVerify(java.security.PublicKey);
    descriptor: (Ljava/security/PublicKey;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // java.security.PublicKey publicKey
         0: .line 56
            aload 1 /* publicKey */
            instanceof org.bouncycastle.jce.interfaces.GOST3410Key
            ifeq 3
         1: .line 58
            aload 1 /* publicKey */
            invokestatic org.bouncycastle.jce.provider.GOST3410Util.generatePublicKeyParameter:(Ljava/security/PublicKey;)Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
            astore 2 /* param */
        start local 2 // org.bouncycastle.crypto.CipherParameters param
         2: .line 59
            goto 14
        end local 2 // org.bouncycastle.crypto.CipherParameters param
         3: .line 60
      StackMap locals:
      StackMap stack:
            aload 1 /* publicKey */
            instanceof java.security.interfaces.DSAKey
            ifeq 6
         4: .line 62
            aload 1 /* publicKey */
            invokestatic org.bouncycastle.jce.provider.DSAUtil.generatePublicKeyParameter:(Ljava/security/PublicKey;)Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
            astore 2 /* param */
        start local 2 // org.bouncycastle.crypto.CipherParameters param
         5: .line 63
            goto 14
        end local 2 // org.bouncycastle.crypto.CipherParameters param
         6: .line 68
      StackMap locals:
      StackMap stack:
            aload 1 /* publicKey */
            invokeinterface java.security.PublicKey.getEncoded:()[B
            astore 3 /* bytes */
        start local 3 // byte[] bytes
         7: .line 70
            aload 3 /* bytes */
            invokestatic org.bouncycastle.jce.provider.JDKKeyFactory.createPublicKeyFromDERStream:([B)Ljava/security/PublicKey;
            astore 1 /* publicKey */
         8: .line 72
            aload 1 /* publicKey */
            instanceof java.security.interfaces.DSAKey
            ifeq 11
         9: .line 74
            aload 1 /* publicKey */
            invokestatic org.bouncycastle.jce.provider.DSAUtil.generatePublicKeyParameter:(Ljava/security/PublicKey;)Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
            astore 2 /* param */
        start local 2 // org.bouncycastle.crypto.CipherParameters param
        10: .line 75
            goto 14
        end local 2 // org.bouncycastle.crypto.CipherParameters param
        11: .line 78
      StackMap locals: org.bouncycastle.jce.provider.JDKDSASigner java.security.PublicKey top byte[]
      StackMap stack:
            new java.security.InvalidKeyException
            dup
            ldc "can't recognise key type in DSA based signer"
            invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;)V
            athrow
        end local 3 // byte[] bytes
        12: .line 81
      StackMap locals: org.bouncycastle.jce.provider.JDKDSASigner java.security.PublicKey
      StackMap stack: java.lang.Exception
            pop
        13: .line 83
            new java.security.InvalidKeyException
            dup
            ldc "can't recognise key type in DSA based signer"
            invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;)V
            athrow
        start local 2 // org.bouncycastle.crypto.CipherParameters param
        14: .line 87
      StackMap locals: org.bouncycastle.crypto.CipherParameters
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.digest:Lorg/bouncycastle/crypto/Digest;
            invokeinterface org.bouncycastle.crypto.Digest.reset:()V
        15: .line 88
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.signer:Lorg/bouncycastle/crypto/DSA;
            iconst_0
            aload 2 /* param */
            invokeinterface org.bouncycastle.crypto.DSA.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        16: .line 89
            return
        end local 2 // org.bouncycastle.crypto.CipherParameters param
        end local 1 // java.security.PublicKey publicKey
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   17     0       this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0   17     1  publicKey  Ljava/security/PublicKey;
            2    3     2      param  Lorg/bouncycastle/crypto/CipherParameters;
            5    6     2      param  Lorg/bouncycastle/crypto/CipherParameters;
           10   11     2      param  Lorg/bouncycastle/crypto/CipherParameters;
           14   17     2      param  Lorg/bouncycastle/crypto/CipherParameters;
            7   12     3      bytes  [B
      Exception table:
        from    to  target  type
           6    12      12  Class java.lang.Exception
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
           Name  Flags
      publicKey  

  protected void engineInitSign(java.security.PrivateKey, java.security.SecureRandom);
    descriptor: (Ljava/security/PrivateKey;Ljava/security/SecureRandom;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // java.security.PrivateKey privateKey
        start local 2 // java.security.SecureRandom random
         0: .line 96
            aload 0 /* this */
            aload 2 /* random */
            putfield org.bouncycastle.jce.provider.JDKDSASigner.random:Ljava/security/SecureRandom;
         1: .line 97
            aload 0 /* this */
            aload 1 /* privateKey */
            invokevirtual org.bouncycastle.jce.provider.JDKDSASigner.engineInitSign:(Ljava/security/PrivateKey;)V
         2: .line 98
            return
        end local 2 // java.security.SecureRandom random
        end local 1 // java.security.PrivateKey privateKey
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0        this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0    3     1  privateKey  Ljava/security/PrivateKey;
            0    3     2      random  Ljava/security/SecureRandom;
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
            Name  Flags
      privateKey  
      random      

  protected void engineInitSign(java.security.PrivateKey);
    descriptor: (Ljava/security/PrivateKey;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // java.security.PrivateKey privateKey
         0: .line 106
            aload 1 /* privateKey */
            instanceof org.bouncycastle.jce.interfaces.GOST3410Key
            ifeq 3
         1: .line 108
            aload 1 /* privateKey */
            invokestatic org.bouncycastle.jce.provider.GOST3410Util.generatePrivateKeyParameter:(Ljava/security/PrivateKey;)Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
            astore 2 /* param */
        start local 2 // org.bouncycastle.crypto.CipherParameters param
         2: .line 109
            goto 4
        end local 2 // org.bouncycastle.crypto.CipherParameters param
         3: .line 112
      StackMap locals:
      StackMap stack:
            aload 1 /* privateKey */
            invokestatic org.bouncycastle.jce.provider.DSAUtil.generatePrivateKeyParameter:(Ljava/security/PrivateKey;)Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
            astore 2 /* param */
        start local 2 // org.bouncycastle.crypto.CipherParameters param
         4: .line 115
      StackMap locals: org.bouncycastle.crypto.CipherParameters
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.random:Ljava/security/SecureRandom;
            ifnull 6
         5: .line 117
            new org.bouncycastle.crypto.params.ParametersWithRandom
            dup
            aload 2 /* param */
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.random:Ljava/security/SecureRandom;
            invokespecial org.bouncycastle.crypto.params.ParametersWithRandom.<init>:(Lorg/bouncycastle/crypto/CipherParameters;Ljava/security/SecureRandom;)V
            astore 2 /* param */
         6: .line 120
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.digest:Lorg/bouncycastle/crypto/Digest;
            invokeinterface org.bouncycastle.crypto.Digest.reset:()V
         7: .line 121
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.signer:Lorg/bouncycastle/crypto/DSA;
            iconst_1
            aload 2 /* param */
            invokeinterface org.bouncycastle.crypto.DSA.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
         8: .line 122
            return
        end local 2 // org.bouncycastle.crypto.CipherParameters param
        end local 1 // java.security.PrivateKey privateKey
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    9     0        this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0    9     1  privateKey  Ljava/security/PrivateKey;
            2    3     2       param  Lorg/bouncycastle/crypto/CipherParameters;
            4    9     2       param  Lorg/bouncycastle/crypto/CipherParameters;
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
            Name  Flags
      privateKey  

  protected void engineUpdate(byte);
    descriptor: (B)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // byte b
         0: .line 128
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.digest:Lorg/bouncycastle/crypto/Digest;
            iload 1 /* b */
            invokeinterface org.bouncycastle.crypto.Digest.update:(B)V
         1: .line 129
            return
        end local 1 // byte b
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0    2     1     b  B
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
      Name  Flags
      b     

  protected void engineUpdate(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 137
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.digest:Lorg/bouncycastle/crypto/Digest;
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            invokeinterface org.bouncycastle.crypto.Digest.update:([BII)V
         1: .line 138
            return
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0    2     1     b  [B
            0    2     2   off  I
            0    2     3   len  I
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  protected byte[] engineSign();
    descriptor: ()[B
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=3, args_size=1
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
         0: .line 143
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.digest:Lorg/bouncycastle/crypto/Digest;
            invokeinterface org.bouncycastle.crypto.Digest.getDigestSize:()I
            newarray 8
            astore 1 /* hash */
        start local 1 // byte[] hash
         1: .line 145
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.digest:Lorg/bouncycastle/crypto/Digest;
            aload 1 /* hash */
            iconst_0
            invokeinterface org.bouncycastle.crypto.Digest.doFinal:([BI)I
            pop
         2: .line 149
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.signer:Lorg/bouncycastle/crypto/DSA;
            aload 1 /* hash */
            invokeinterface org.bouncycastle.crypto.DSA.generateSignature:([B)[Ljava/math/BigInteger;
            astore 2 /* sig */
        start local 2 // java.math.BigInteger[] sig
         3: .line 151
            aload 0 /* this */
            aload 2 /* sig */
            iconst_0
            aaload
            aload 2 /* sig */
            iconst_1
            aaload
            invokevirtual org.bouncycastle.jce.provider.JDKDSASigner.derEncode:(Ljava/math/BigInteger;Ljava/math/BigInteger;)[B
         4: areturn
        end local 2 // java.math.BigInteger[] sig
         5: .line 153
      StackMap locals: org.bouncycastle.jce.provider.JDKDSASigner byte[]
      StackMap stack: java.lang.Exception
            astore 2 /* e */
        start local 2 // java.lang.Exception e
         6: .line 155
            new java.security.SignatureException
            dup
            aload 2 /* e */
            invokevirtual java.lang.Exception.toString:()Ljava/lang/String;
            invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.lang.Exception e
        end local 1 // byte[] hash
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            1    7     1  hash  [B
            3    5     2   sig  [Ljava/math/BigInteger;
            6    7     2     e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           2     4       5  Class java.lang.Exception
    Exceptions:
      throws java.security.SignatureException

  protected boolean engineVerify(byte[]);
    descriptor: ([B)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // byte[] sigBytes
         0: .line 163
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.digest:Lorg/bouncycastle/crypto/Digest;
            invokeinterface org.bouncycastle.crypto.Digest.getDigestSize:()I
            newarray 8
            astore 2 /* hash */
        start local 2 // byte[] hash
         1: .line 165
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.digest:Lorg/bouncycastle/crypto/Digest;
            aload 2 /* hash */
            iconst_0
            invokeinterface org.bouncycastle.crypto.Digest.doFinal:([BI)I
            pop
         2: .line 171
            aload 0 /* this */
            aload 1 /* sigBytes */
            invokevirtual org.bouncycastle.jce.provider.JDKDSASigner.derDecode:([B)[Ljava/math/BigInteger;
            astore 3 /* sig */
        start local 3 // java.math.BigInteger[] sig
         3: .line 172
            goto 6
        end local 3 // java.math.BigInteger[] sig
         4: .line 173
      StackMap locals: org.bouncycastle.jce.provider.JDKDSASigner byte[] byte[]
      StackMap stack: java.lang.Exception
            pop
         5: .line 175
            new java.security.SignatureException
            dup
            ldc "error decoding signature bytes."
            invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;)V
            athrow
        start local 3 // java.math.BigInteger[] sig
         6: .line 178
      StackMap locals: java.math.BigInteger[]
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.JDKDSASigner.signer:Lorg/bouncycastle/crypto/DSA;
            aload 2 /* hash */
            aload 3 /* sig */
            iconst_0
            aaload
            aload 3 /* sig */
            iconst_1
            aaload
            invokeinterface org.bouncycastle.crypto.DSA.verifySignature:([BLjava/math/BigInteger;Ljava/math/BigInteger;)Z
            ireturn
        end local 3 // java.math.BigInteger[] sig
        end local 2 // byte[] hash
        end local 1 // byte[] sigBytes
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0    7     1  sigBytes  [B
            1    7     2      hash  [B
            3    4     3       sig  [Ljava/math/BigInteger;
            6    7     3       sig  [Ljava/math/BigInteger;
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.Exception
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
          Name  Flags
      sigBytes  

  protected void engineSetParameter(java.security.spec.AlgorithmParameterSpec);
    descriptor: (Ljava/security/spec/AlgorithmParameterSpec;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // java.security.spec.AlgorithmParameterSpec params
         0: .line 184
            new java.lang.UnsupportedOperationException
            dup
            ldc "engineSetParameter unsupported"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.security.spec.AlgorithmParameterSpec params
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0    1     1  params  Ljava/security/spec/AlgorithmParameterSpec;
    MethodParameters:
        Name  Flags
      params  

  protected void engineSetParameter(java.lang.String, java.lang.Object);
    descriptor: (Ljava/lang/String;Ljava/lang/Object;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // java.lang.String param
        start local 2 // java.lang.Object value
         0: .line 194
            new java.lang.UnsupportedOperationException
            dup
            ldc "engineSetParameter unsupported"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.String param
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0    1     1  param  Ljava/lang/String;
            0    1     2  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      param  
      value  

  protected java.lang.Object engineGetParameter(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // java.lang.String param
         0: .line 203
            new java.lang.UnsupportedOperationException
            dup
            ldc "engineSetParameter unsupported"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.lang.String param
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0    1     1  param  Ljava/lang/String;
    MethodParameters:
       Name  Flags
      param  

  private byte[] derEncode(java.math.BigInteger, java.math.BigInteger);
    descriptor: (Ljava/math/BigInteger;Ljava/math/BigInteger;)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=4, args_size=3
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // java.math.BigInteger r
        start local 2 // java.math.BigInteger s
         0: .line 211
            iconst_2
            anewarray org.bouncycastle.asn1.DERInteger
            dup
            iconst_0
            new org.bouncycastle.asn1.DERInteger
            dup
            aload 1 /* r */
            invokespecial org.bouncycastle.asn1.DERInteger.<init>:(Ljava/math/BigInteger;)V
            aastore
            dup
            iconst_1
            new org.bouncycastle.asn1.DERInteger
            dup
            aload 2 /* s */
            invokespecial org.bouncycastle.asn1.DERInteger.<init>:(Ljava/math/BigInteger;)V
            aastore
            astore 3 /* rs */
        start local 3 // org.bouncycastle.asn1.DERInteger[] rs
         1: .line 212
            new org.bouncycastle.asn1.DERSequence
            dup
            aload 3 /* rs */
            invokespecial org.bouncycastle.asn1.DERSequence.<init>:([Lorg/bouncycastle/asn1/ASN1Encodable;)V
            ldc "DER"
            invokevirtual org.bouncycastle.asn1.DERSequence.getEncoded:(Ljava/lang/String;)[B
            areturn
        end local 3 // org.bouncycastle.asn1.DERInteger[] rs
        end local 2 // java.math.BigInteger s
        end local 1 // java.math.BigInteger r
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0    2     1     r  Ljava/math/BigInteger;
            0    2     2     s  Ljava/math/BigInteger;
            1    2     3    rs  [Lorg/bouncycastle/asn1/DERInteger;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      r     
      s     

  private java.math.BigInteger[] derDecode(byte[]);
    descriptor: ([B)[Ljava/math/BigInteger;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
        start local 1 // byte[] encoding
         0: .line 219
            aload 1 /* encoding */
            invokestatic org.bouncycastle.asn1.ASN1Object.fromByteArray:([B)Lorg/bouncycastle/asn1/ASN1Object;
            checkcast org.bouncycastle.asn1.ASN1Sequence
            astore 2 /* s */
        start local 2 // org.bouncycastle.asn1.ASN1Sequence s
         1: .line 220
            iconst_2
            anewarray java.math.BigInteger
            dup
            iconst_0
         2: .line 221
            aload 2 /* s */
            iconst_0
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.DERInteger
            invokevirtual org.bouncycastle.asn1.DERInteger.getValue:()Ljava/math/BigInteger;
            aastore
            dup
            iconst_1
         3: .line 222
            aload 2 /* s */
            iconst_1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.DERInteger
            invokevirtual org.bouncycastle.asn1.DERInteger.getValue:()Ljava/math/BigInteger;
            aastore
         4: .line 220
            areturn
        end local 2 // org.bouncycastle.asn1.ASN1Sequence s
        end local 1 // byte[] encoding
        end local 0 // org.bouncycastle.jce.provider.JDKDSASigner this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Lorg/bouncycastle/jce/provider/JDKDSASigner;
            0    5     1  encoding  [B
            1    5     2         s  Lorg/bouncycastle/asn1/ASN1Sequence;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      encoding  
}
SourceFile: "JDKDSASigner.java"
NestMembers:
  org.bouncycastle.jce.provider.JDKDSASigner$dsa224  org.bouncycastle.jce.provider.JDKDSASigner$dsa256  org.bouncycastle.jce.provider.JDKDSASigner$dsa384  org.bouncycastle.jce.provider.JDKDSASigner$dsa512  org.bouncycastle.jce.provider.JDKDSASigner$noneDSA  org.bouncycastle.jce.provider.JDKDSASigner$stdDSA
InnerClasses:
  public dsa224 = org.bouncycastle.jce.provider.JDKDSASigner$dsa224 of org.bouncycastle.jce.provider.JDKDSASigner
  public dsa256 = org.bouncycastle.jce.provider.JDKDSASigner$dsa256 of org.bouncycastle.jce.provider.JDKDSASigner
  public dsa384 = org.bouncycastle.jce.provider.JDKDSASigner$dsa384 of org.bouncycastle.jce.provider.JDKDSASigner
  public dsa512 = org.bouncycastle.jce.provider.JDKDSASigner$dsa512 of org.bouncycastle.jce.provider.JDKDSASigner
  public noneDSA = org.bouncycastle.jce.provider.JDKDSASigner$noneDSA of org.bouncycastle.jce.provider.JDKDSASigner
  public stdDSA = org.bouncycastle.jce.provider.JDKDSASigner$stdDSA of org.bouncycastle.jce.provider.JDKDSASigner