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 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
public class org.bouncycastle.crypto.signers.RSADigestSigner implements org.bouncycastle.crypto.Signer
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.crypto.signers.RSADigestSigner
  super_class: java.lang.Object
{
  private final org.bouncycastle.crypto.AsymmetricBlockCipher rsaEngine;
    descriptor: Lorg/bouncycastle/crypto/AsymmetricBlockCipher;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.bouncycastle.asn1.x509.AlgorithmIdentifier algId;
    descriptor: Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.bouncycastle.crypto.Digest digest;
    descriptor: Lorg/bouncycastle/crypto/Digest;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private boolean forSigning;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  private static final java.util.Hashtable oidMap;
    descriptor: Ljava/util/Hashtable;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 35
            new java.util.Hashtable
            dup
            invokespecial java.util.Hashtable.<init>:()V
            putstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
         1: .line 42
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "RIPEMD128"
            getstatic org.bouncycastle.asn1.teletrust.TeleTrusTObjectIdentifiers.ripemd128:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         2: .line 43
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "RIPEMD160"
            getstatic org.bouncycastle.asn1.teletrust.TeleTrusTObjectIdentifiers.ripemd160:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         3: .line 44
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "RIPEMD256"
            getstatic org.bouncycastle.asn1.teletrust.TeleTrusTObjectIdentifiers.ripemd256:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         4: .line 46
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "SHA-1"
            getstatic org.bouncycastle.asn1.x509.X509ObjectIdentifiers.id_SHA1:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         5: .line 47
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "SHA-224"
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_sha224:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         6: .line 48
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "SHA-256"
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_sha256:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         7: .line 49
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "SHA-384"
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_sha384:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         8: .line 50
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "SHA-512"
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_sha512:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         9: .line 51
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "SHA-512/224"
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_sha512_224:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        10: .line 52
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "SHA-512/256"
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_sha512_256:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        11: .line 54
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "SHA3-224"
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_sha3_224:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        12: .line 55
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "SHA3-256"
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_sha3_256:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        13: .line 56
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "SHA3-384"
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_sha3_384:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        14: .line 57
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "SHA3-512"
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_sha3_512:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        15: .line 59
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "MD2"
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.md2:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        16: .line 60
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "MD4"
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.md4:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        17: .line 61
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            ldc "MD5"
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.md5:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual java.util.Hashtable.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        18: .line 62
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.bouncycastle.crypto.Digest);
    descriptor: (Lorg/bouncycastle/crypto/Digest;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
        start local 1 // org.bouncycastle.crypto.Digest digest
         0: .line 67
            aload 0 /* this */
            aload 1 /* digest */
            getstatic org.bouncycastle.crypto.signers.RSADigestSigner.oidMap:Ljava/util/Hashtable;
            aload 1 /* digest */
            invokeinterface org.bouncycastle.crypto.Digest.getAlgorithmName:()Ljava/lang/String;
            invokevirtual java.util.Hashtable.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.bouncycastle.asn1.ASN1ObjectIdentifier
            invokespecial org.bouncycastle.crypto.signers.RSADigestSigner.<init>:(Lorg/bouncycastle/crypto/Digest;Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)V
         1: .line 68
            return
        end local 1 // org.bouncycastle.crypto.Digest digest
        end local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/crypto/signers/RSADigestSigner;
            0    2     1  digest  Lorg/bouncycastle/crypto/Digest;
    MethodParameters:
        Name  Flags
      digest  

  public void <init>(org.bouncycastle.crypto.Digest, org.bouncycastle.asn1.ASN1ObjectIdentifier);
    descriptor: (Lorg/bouncycastle/crypto/Digest;Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
        start local 1 // org.bouncycastle.crypto.Digest digest
        start local 2 // org.bouncycastle.asn1.ASN1ObjectIdentifier digestOid
         0: .line 70
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 30
            aload 0 /* this */
            new org.bouncycastle.crypto.encodings.PKCS1Encoding
            dup
            new org.bouncycastle.crypto.engines.RSABlindedEngine
            dup
            invokespecial org.bouncycastle.crypto.engines.RSABlindedEngine.<init>:()V
            invokespecial org.bouncycastle.crypto.encodings.PKCS1Encoding.<init>:(Lorg/bouncycastle/crypto/AsymmetricBlockCipher;)V
            putfield org.bouncycastle.crypto.signers.RSADigestSigner.rsaEngine:Lorg/bouncycastle/crypto/AsymmetricBlockCipher;
         2: .line 74
            aload 0 /* this */
            aload 1 /* digest */
            putfield org.bouncycastle.crypto.signers.RSADigestSigner.digest:Lorg/bouncycastle/crypto/Digest;
         3: .line 75
            aload 0 /* this */
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            aload 2 /* digestOid */
            getstatic org.bouncycastle.asn1.DERNull.INSTANCE:Lorg/bouncycastle/asn1/DERNull;
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/asn1/ASN1Encodable;)V
            putfield org.bouncycastle.crypto.signers.RSADigestSigner.algId:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
         4: .line 76
            return
        end local 2 // org.bouncycastle.asn1.ASN1ObjectIdentifier digestOid
        end local 1 // org.bouncycastle.crypto.Digest digest
        end local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    5     0       this  Lorg/bouncycastle/crypto/signers/RSADigestSigner;
            0    5     1     digest  Lorg/bouncycastle/crypto/Digest;
            0    5     2  digestOid  Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
    MethodParameters:
           Name  Flags
      digest     
      digestOid  

  public java.lang.String getAlgorithmName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
         0: .line 83
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.digest:Lorg/bouncycastle/crypto/Digest;
            invokeinterface org.bouncycastle.crypto.Digest.getAlgorithmName:()Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc "withRSA"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/signers/RSADigestSigner;

  public void init(boolean, org.bouncycastle.crypto.CipherParameters);
    descriptor: (ZLorg/bouncycastle/crypto/CipherParameters;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
        start local 1 // boolean forSigning
        start local 2 // org.bouncycastle.crypto.CipherParameters parameters
         0: .line 98
            aload 0 /* this */
            iload 1 /* forSigning */
            putfield org.bouncycastle.crypto.signers.RSADigestSigner.forSigning:Z
         1: .line 101
            aload 2 /* parameters */
            instanceof org.bouncycastle.crypto.params.ParametersWithRandom
            ifeq 4
         2: .line 103
            aload 2 /* parameters */
            checkcast org.bouncycastle.crypto.params.ParametersWithRandom
            invokevirtual org.bouncycastle.crypto.params.ParametersWithRandom.getParameters:()Lorg/bouncycastle/crypto/CipherParameters;
            checkcast org.bouncycastle.crypto.params.AsymmetricKeyParameter
            astore 3 /* k */
        start local 3 // org.bouncycastle.crypto.params.AsymmetricKeyParameter k
         3: .line 104
            goto 5
        end local 3 // org.bouncycastle.crypto.params.AsymmetricKeyParameter k
         4: .line 107
      StackMap locals:
      StackMap stack:
            aload 2 /* parameters */
            checkcast org.bouncycastle.crypto.params.AsymmetricKeyParameter
            astore 3 /* k */
        start local 3 // org.bouncycastle.crypto.params.AsymmetricKeyParameter k
         5: .line 110
      StackMap locals: org.bouncycastle.crypto.params.AsymmetricKeyParameter
      StackMap stack:
            iload 1 /* forSigning */
            ifeq 7
            aload 3 /* k */
            invokevirtual org.bouncycastle.crypto.params.AsymmetricKeyParameter.isPrivate:()Z
            ifne 7
         6: .line 112
            new java.lang.IllegalArgumentException
            dup
            ldc "signing requires private key"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 115
      StackMap locals:
      StackMap stack:
            iload 1 /* forSigning */
            ifne 9
            aload 3 /* k */
            invokevirtual org.bouncycastle.crypto.params.AsymmetricKeyParameter.isPrivate:()Z
            ifeq 9
         8: .line 117
            new java.lang.IllegalArgumentException
            dup
            ldc "verification requires public key"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         9: .line 120
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.bouncycastle.crypto.signers.RSADigestSigner.reset:()V
        10: .line 122
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.rsaEngine:Lorg/bouncycastle/crypto/AsymmetricBlockCipher;
            iload 1 /* forSigning */
            aload 2 /* parameters */
            invokeinterface org.bouncycastle.crypto.AsymmetricBlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        11: .line 123
            return
        end local 3 // org.bouncycastle.crypto.params.AsymmetricKeyParameter k
        end local 2 // org.bouncycastle.crypto.CipherParameters parameters
        end local 1 // boolean forSigning
        end local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   12     0        this  Lorg/bouncycastle/crypto/signers/RSADigestSigner;
            0   12     1  forSigning  Z
            0   12     2  parameters  Lorg/bouncycastle/crypto/CipherParameters;
            3    4     3           k  Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
            5   12     3           k  Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
    MethodParameters:
            Name  Flags
      forSigning  
      parameters  

  public void update(byte);
    descriptor: (B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
        start local 1 // byte input
         0: .line 131
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.digest:Lorg/bouncycastle/crypto/Digest;
            iload 1 /* input */
            invokeinterface org.bouncycastle.crypto.Digest.update:(B)V
         1: .line 132
            return
        end local 1 // byte input
        end local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/bouncycastle/crypto/signers/RSADigestSigner;
            0    2     1  input  B
    MethodParameters:
       Name  Flags
      input  

  public void update(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
        start local 1 // byte[] input
        start local 2 // int inOff
        start local 3 // int length
         0: .line 142
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.digest:Lorg/bouncycastle/crypto/Digest;
            aload 1 /* input */
            iload 2 /* inOff */
            iload 3 /* length */
            invokeinterface org.bouncycastle.crypto.Digest.update:([BII)V
         1: .line 143
            return
        end local 3 // int length
        end local 2 // int inOff
        end local 1 // byte[] input
        end local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/crypto/signers/RSADigestSigner;
            0    2     1   input  [B
            0    2     2   inOff  I
            0    2     3  length  I
    MethodParameters:
        Name  Flags
      input   
      inOff   
      length  

  public byte[] generateSignature();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=1
        start local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
         0: .line 152
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.forSigning:Z
            ifne 2
         1: .line 154
            new java.lang.IllegalStateException
            dup
            ldc "RSADigestSigner not initialised for signature generation."
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 157
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.digest:Lorg/bouncycastle/crypto/Digest;
            invokeinterface org.bouncycastle.crypto.Digest.getDigestSize:()I
            newarray 8
            astore 1 /* hash */
        start local 1 // byte[] hash
         3: .line 158
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.digest:Lorg/bouncycastle/crypto/Digest;
            aload 1 /* hash */
            iconst_0
            invokeinterface org.bouncycastle.crypto.Digest.doFinal:([BI)I
            pop
         4: .line 162
            aload 0 /* this */
            aload 1 /* hash */
            invokevirtual org.bouncycastle.crypto.signers.RSADigestSigner.derEncode:([B)[B
            astore 2 /* data */
        start local 2 // byte[] data
         5: .line 163
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.rsaEngine:Lorg/bouncycastle/crypto/AsymmetricBlockCipher;
            aload 2 /* data */
            iconst_0
            aload 2 /* data */
            arraylength
            invokeinterface org.bouncycastle.crypto.AsymmetricBlockCipher.processBlock:([BII)[B
         6: areturn
        end local 2 // byte[] data
         7: .line 165
      StackMap locals: org.bouncycastle.crypto.signers.RSADigestSigner byte[]
      StackMap stack: java.io.IOException
            astore 2 /* e */
        start local 2 // java.io.IOException e
         8: .line 167
            new org.bouncycastle.crypto.CryptoException
            dup
            new java.lang.StringBuilder
            dup
            ldc "unable to encode signature: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* e */
            invokevirtual java.io.IOException.getMessage:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 2 /* e */
            invokespecial org.bouncycastle.crypto.CryptoException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 2 // java.io.IOException e
        end local 1 // byte[] hash
        end local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/bouncycastle/crypto/signers/RSADigestSigner;
            3    9     1  hash  [B
            5    7     2  data  [B
            8    9     2     e  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           4     6       7  Class java.io.IOException
    Exceptions:
      throws org.bouncycastle.crypto.CryptoException, org.bouncycastle.crypto.DataLengthException

  public boolean verifySignature(byte[]);
    descriptor: ([B)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=9, args_size=2
        start local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
        start local 1 // byte[] signature
         0: .line 178
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.forSigning:Z
            ifeq 2
         1: .line 180
            new java.lang.IllegalStateException
            dup
            ldc "RSADigestSigner not initialised for verification"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 183
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.digest:Lorg/bouncycastle/crypto/Digest;
            invokeinterface org.bouncycastle.crypto.Digest.getDigestSize:()I
            newarray 8
            astore 2 /* hash */
        start local 2 // byte[] hash
         3: .line 185
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.digest:Lorg/bouncycastle/crypto/Digest;
            aload 2 /* hash */
            iconst_0
            invokeinterface org.bouncycastle.crypto.Digest.doFinal:([BI)I
            pop
         4: .line 192
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.rsaEngine:Lorg/bouncycastle/crypto/AsymmetricBlockCipher;
            aload 1 /* signature */
            iconst_0
            aload 1 /* signature */
            arraylength
            invokeinterface org.bouncycastle.crypto.AsymmetricBlockCipher.processBlock:([BII)[B
            astore 3 /* sig */
        start local 3 // byte[] sig
         5: .line 193
            aload 0 /* this */
            aload 2 /* hash */
            invokevirtual org.bouncycastle.crypto.signers.RSADigestSigner.derEncode:([B)[B
            astore 4 /* expected */
        start local 4 // byte[] expected
         6: .line 194
            goto 9
        end local 4 // byte[] expected
        end local 3 // byte[] sig
         7: .line 195
      StackMap locals: org.bouncycastle.crypto.signers.RSADigestSigner byte[] byte[]
      StackMap stack: java.lang.Exception
            pop
         8: .line 197
            iconst_0
            ireturn
        start local 3 // byte[] sig
        start local 4 // byte[] expected
         9: .line 200
      StackMap locals: byte[] byte[]
      StackMap stack:
            aload 3 /* sig */
            arraylength
            aload 4 /* expected */
            arraylength
            if_icmpne 11
        10: .line 202
            aload 3 /* sig */
            aload 4 /* expected */
            invokestatic org.bouncycastle.util.Arrays.constantTimeAreEqual:([B[B)Z
            ireturn
        11: .line 204
      StackMap locals:
      StackMap stack:
            aload 3 /* sig */
            arraylength
            aload 4 /* expected */
            arraylength
            iconst_2
            isub
            if_icmpne 29
        12: .line 206
            aload 3 /* sig */
            arraylength
            aload 2 /* hash */
            arraylength
            isub
            iconst_2
            isub
            istore 5 /* sigOffset */
        start local 5 // int sigOffset
        13: .line 207
            aload 4 /* expected */
            arraylength
            aload 2 /* hash */
            arraylength
            isub
            iconst_2
            isub
            istore 6 /* expectedOffset */
        start local 6 // int expectedOffset
        14: .line 209
            aload 4 /* expected */
            iconst_1
            dup2
            baload
            iconst_2
            isub
            i2b
            bastore
        15: .line 210
            aload 4 /* expected */
            iconst_3
            dup2
            baload
            iconst_2
            isub
            i2b
            bastore
        16: .line 212
            iconst_0
            istore 7 /* nonEqual */
        start local 7 // int nonEqual
        17: .line 214
            iconst_0
            istore 8 /* i */
        start local 8 // int i
        18: goto 21
        19: .line 216
      StackMap locals: org.bouncycastle.crypto.signers.RSADigestSigner byte[] byte[] byte[] byte[] int int int int
      StackMap stack:
            iload 7 /* nonEqual */
            aload 3 /* sig */
            iload 5 /* sigOffset */
            iload 8 /* i */
            iadd
            baload
            aload 4 /* expected */
            iload 6 /* expectedOffset */
            iload 8 /* i */
            iadd
            baload
            ixor
            ior
            istore 7 /* nonEqual */
        20: .line 214
            iinc 8 /* i */ 1
      StackMap locals:
      StackMap stack:
        21: iload 8 /* i */
            aload 2 /* hash */
            arraylength
            if_icmplt 19
        end local 8 // int i
        22: .line 219
            iconst_0
            istore 8 /* i */
        start local 8 // int i
        23: goto 26
        24: .line 221
      StackMap locals:
      StackMap stack:
            iload 7 /* nonEqual */
            aload 3 /* sig */
            iload 8 /* i */
            baload
            aload 4 /* expected */
            iload 8 /* i */
            baload
            ixor
            ior
            istore 7 /* nonEqual */
        25: .line 219
            iinc 8 /* i */ 1
      StackMap locals:
      StackMap stack:
        26: iload 8 /* i */
            iload 5 /* sigOffset */
            if_icmplt 24
        end local 8 // int i
        27: .line 224
            iload 7 /* nonEqual */
            ifne 28
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
        28: iconst_0
            ireturn
        end local 7 // int nonEqual
        end local 6 // int expectedOffset
        end local 5 // int sigOffset
        29: .line 228
      StackMap locals:
      StackMap stack:
            aload 4 /* expected */
            aload 4 /* expected */
            invokestatic org.bouncycastle.util.Arrays.constantTimeAreEqual:([B[B)Z
            pop
        30: .line 230
            iconst_0
            ireturn
        end local 4 // byte[] expected
        end local 3 // byte[] sig
        end local 2 // byte[] hash
        end local 1 // byte[] signature
        end local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   31     0            this  Lorg/bouncycastle/crypto/signers/RSADigestSigner;
            0   31     1       signature  [B
            3   31     2            hash  [B
            5    7     3             sig  [B
            9   31     3             sig  [B
            6    7     4        expected  [B
            9   31     4        expected  [B
           13   29     5       sigOffset  I
           14   29     6  expectedOffset  I
           17   29     7        nonEqual  I
           18   22     8               i  I
           23   27     8               i  I
      Exception table:
        from    to  target  type
           4     6       7  Class java.lang.Exception
    MethodParameters:
           Name  Flags
      signature  

  public void reset();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
         0: .line 236
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.digest:Lorg/bouncycastle/crypto/Digest;
            invokeinterface org.bouncycastle.crypto.Digest.reset:()V
         1: .line 237
            return
        end local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/crypto/signers/RSADigestSigner;

  private byte[] derEncode(byte[]);
    descriptor: ([B)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
        start local 1 // byte[] hash
         0: .line 243
            new org.bouncycastle.asn1.x509.DigestInfo
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.signers.RSADigestSigner.algId:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            aload 1 /* hash */
            invokespecial org.bouncycastle.asn1.x509.DigestInfo.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;[B)V
            astore 2 /* dInfo */
        start local 2 // org.bouncycastle.asn1.x509.DigestInfo dInfo
         1: .line 245
            aload 2 /* dInfo */
            ldc "DER"
            invokevirtual org.bouncycastle.asn1.x509.DigestInfo.getEncoded:(Ljava/lang/String;)[B
            areturn
        end local 2 // org.bouncycastle.asn1.x509.DigestInfo dInfo
        end local 1 // byte[] hash
        end local 0 // org.bouncycastle.crypto.signers.RSADigestSigner this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/bouncycastle/crypto/signers/RSADigestSigner;
            0    2     1   hash  [B
            1    2     2  dInfo  Lorg/bouncycastle/asn1/x509/DigestInfo;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      hash  
}
SourceFile: "RSADigestSigner.java"