public class javax.crypto.Mac implements java.lang.Cloneable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: javax.crypto.Mac
  super_class: java.lang.Object
{
  private static final sun.security.util.Debug debug;
    descriptor: Lsun/security/util/Debug;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final sun.security.util.Debug pdebug;
    descriptor: Lsun/security/util/Debug;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final boolean skipDebug;
    descriptor: Z
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private java.security.Provider provider;
    descriptor: Ljava/security/Provider;
    flags: (0x0002) ACC_PRIVATE

  private javax.crypto.MacSpi spi;
    descriptor: Ljavax/crypto/MacSpi;
    flags: (0x0002) ACC_PRIVATE

  private final java.lang.String algorithm;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  private java.security.Provider$Service firstService;
    descriptor: Ljava/security/Provider$Service;
    flags: (0x0002) ACC_PRIVATE

  private java.util.Iterator<java.security.Provider$Service> serviceIterator;
    descriptor: Ljava/util/Iterator;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/Iterator<Ljava/security/Provider$Service;>;

  private final java.lang.Object lock;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private static int warnCount;
    descriptor: I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 78
            ldc "jca"
            ldc "Mac"
            invokestatic sun.security.util.Debug.getInstance:(Ljava/lang/String;Ljava/lang/String;)Lsun/security/util/Debug;
         1: .line 77
            putstatic javax.crypto.Mac.debug:Lsun/security/util/Debug;
         2: .line 81
            ldc "provider"
            ldc "Provider"
            invokestatic sun.security.util.Debug.getInstance:(Ljava/lang/String;Ljava/lang/String;)Lsun/security/util/Debug;
         3: .line 80
            putstatic javax.crypto.Mac.pdebug:Lsun/security/util/Debug;
         4: .line 83
            ldc "engine="
            invokestatic sun.security.util.Debug.isOn:(Ljava/lang/String;)Z
            ifeq 6
            ldc "mac"
            invokestatic sun.security.util.Debug.isOn:(Ljava/lang/String;)Z
            ifne 6
         5: .line 82
            iconst_1
            goto 7
      StackMap locals:
      StackMap stack:
         6: iconst_0
      StackMap locals:
      StackMap stack: int
         7: putstatic javax.crypto.Mac.skipDebug:Z
         8: .line 262
            bipush 10
            putstatic javax.crypto.Mac.warnCount:I
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>(javax.crypto.MacSpi, java.security.Provider, java.lang.String);
    descriptor: (Ljavax/crypto/MacSpi;Ljava/security/Provider;Ljava/lang/String;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // javax.crypto.Mac this
        start local 1 // javax.crypto.MacSpi macSpi
        start local 2 // java.security.Provider provider
        start local 3 // java.lang.String algorithm
         0: .line 114
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 95
            aload 0 /* this */
            iconst_0
            putfield javax.crypto.Mac.initialized:Z
         2: .line 115
            aload 0 /* this */
            aload 1 /* macSpi */
            putfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
         3: .line 116
            aload 0 /* this */
            aload 2 /* provider */
            putfield javax.crypto.Mac.provider:Ljava/security/Provider;
         4: .line 117
            aload 0 /* this */
            aload 3 /* algorithm */
            putfield javax.crypto.Mac.algorithm:Ljava/lang/String;
         5: .line 118
            aload 0 /* this */
            aconst_null
            putfield javax.crypto.Mac.serviceIterator:Ljava/util/Iterator;
         6: .line 119
            aload 0 /* this */
            aconst_null
            putfield javax.crypto.Mac.lock:Ljava/lang/Object;
         7: .line 120
            return
        end local 3 // java.lang.String algorithm
        end local 2 // java.security.Provider provider
        end local 1 // javax.crypto.MacSpi macSpi
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    8     0       this  Ljavax/crypto/Mac;
            0    8     1     macSpi  Ljavax/crypto/MacSpi;
            0    8     2   provider  Ljava/security/Provider;
            0    8     3  algorithm  Ljava/lang/String;
    MethodParameters:
           Name  Flags
      macSpi     
      provider   
      algorithm  

  private void <init>(java.security.Provider$Service, java.util.Iterator<java.security.Provider$Service>, java.lang.String);
    descriptor: (Ljava/security/Provider$Service;Ljava/util/Iterator;Ljava/lang/String;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=4, args_size=4
        start local 0 // javax.crypto.Mac this
        start local 1 // java.security.Provider$Service s
        start local 2 // java.util.Iterator t
        start local 3 // java.lang.String algorithm
         0: .line 122
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 95
            aload 0 /* this */
            iconst_0
            putfield javax.crypto.Mac.initialized:Z
         2: .line 123
            aload 0 /* this */
            aload 1 /* s */
            putfield javax.crypto.Mac.firstService:Ljava/security/Provider$Service;
         3: .line 124
            aload 0 /* this */
            aload 2 /* t */
            putfield javax.crypto.Mac.serviceIterator:Ljava/util/Iterator;
         4: .line 125
            aload 0 /* this */
            aload 3 /* algorithm */
            putfield javax.crypto.Mac.algorithm:Ljava/lang/String;
         5: .line 126
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield javax.crypto.Mac.lock:Ljava/lang/Object;
         6: .line 127
            return
        end local 3 // java.lang.String algorithm
        end local 2 // java.util.Iterator t
        end local 1 // java.security.Provider$Service s
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    7     0       this  Ljavax/crypto/Mac;
            0    7     1          s  Ljava/security/Provider$Service;
            0    7     2          t  Ljava/util/Iterator<Ljava/security/Provider$Service;>;
            0    7     3  algorithm  Ljava/lang/String;
    Signature: (Ljava/security/Provider$Service;Ljava/util/Iterator<Ljava/security/Provider$Service;>;Ljava/lang/String;)V
    MethodParameters:
           Name  Flags
      s          
      t          
      algorithm  

  public final java.lang.String getAlgorithm();
    descriptor: ()Ljava/lang/String;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // javax.crypto.Mac this
         0: .line 139
            aload 0 /* this */
            getfield javax.crypto.Mac.algorithm:Ljava/lang/String;
            areturn
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljavax/crypto/Mac;

  public static final javax.crypto.Mac getInstance(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljavax/crypto/Mac;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    Code:
      stack=5, locals=4, args_size=1
        start local 0 // java.lang.String algorithm
         0: .line 171
            ldc "Mac"
            aload 0 /* algorithm */
            invokestatic sun.security.jca.GetInstance.getServices:(Ljava/lang/String;Ljava/lang/String;)Ljava/util/List;
            astore 1 /* services */
        start local 1 // java.util.List services
         1: .line 173
            aload 1 /* services */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 2 /* t */
        start local 2 // java.util.Iterator t
         2: .line 174
            goto 7
         3: .line 175
      StackMap locals: java.util.List java.util.Iterator
      StackMap stack:
            aload 2 /* t */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.security.Provider$Service
            astore 3 /* s */
        start local 3 // java.security.Provider$Service s
         4: .line 176
            aload 3 /* s */
            invokevirtual java.security.Provider$Service.getProvider:()Ljava/security/Provider;
            invokestatic javax.crypto.JceSecurity.canUseProvider:(Ljava/security/Provider;)Z
            ifne 6
         5: .line 177
            goto 7
         6: .line 179
      StackMap locals: java.security.Provider$Service
      StackMap stack:
            new javax.crypto.Mac
            dup
            aload 3 /* s */
            aload 2 /* t */
            aload 0 /* algorithm */
            invokespecial javax.crypto.Mac.<init>:(Ljava/security/Provider$Service;Ljava/util/Iterator;Ljava/lang/String;)V
            areturn
        end local 3 // java.security.Provider$Service s
         7: .line 174
      StackMap locals:
      StackMap stack:
            aload 2 /* t */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         8: .line 181
            new java.security.NoSuchAlgorithmException
            dup
         9: .line 182
            new java.lang.StringBuilder
            dup
            ldc "Algorithm "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* algorithm */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " not available"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        10: .line 181
            invokespecial java.security.NoSuchAlgorithmException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.util.Iterator t
        end local 1 // java.util.List services
        end local 0 // java.lang.String algorithm
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   11     0  algorithm  Ljava/lang/String;
            1   11     1   services  Ljava/util/List<Ljava/security/Provider$Service;>;
            2   11     2          t  Ljava/util/Iterator<Ljava/security/Provider$Service;>;
            4    7     3          s  Ljava/security/Provider$Service;
    Exceptions:
      throws java.security.NoSuchAlgorithmException
    MethodParameters:
           Name  Flags
      algorithm  

  public static final javax.crypto.Mac getInstance(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)Ljavax/crypto/Mac;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // java.lang.String algorithm
        start local 1 // java.lang.String provider
         0: .line 222
            ldc "Mac"
            ldc Ljavax/crypto/MacSpi;
            aload 0 /* algorithm */
            aload 1 /* provider */
         1: .line 221
            invokestatic javax.crypto.JceSecurity.getInstance:(Ljava/lang/String;Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;)Lsun/security/jca/GetInstance$Instance;
            astore 2 /* instance */
        start local 2 // sun.security.jca.GetInstance$Instance instance
         2: .line 223
            new javax.crypto.Mac
            dup
            aload 2 /* instance */
            getfield sun.security.jca.GetInstance$Instance.impl:Ljava/lang/Object;
            checkcast javax.crypto.MacSpi
            aload 2 /* instance */
            getfield sun.security.jca.GetInstance$Instance.provider:Ljava/security/Provider;
            aload 0 /* algorithm */
            invokespecial javax.crypto.Mac.<init>:(Ljavax/crypto/MacSpi;Ljava/security/Provider;Ljava/lang/String;)V
            areturn
        end local 2 // sun.security.jca.GetInstance$Instance instance
        end local 1 // java.lang.String provider
        end local 0 // java.lang.String algorithm
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0  algorithm  Ljava/lang/String;
            0    3     1   provider  Ljava/lang/String;
            2    3     2   instance  Lsun/security/jca/GetInstance$Instance;
    Exceptions:
      throws java.security.NoSuchAlgorithmException, java.security.NoSuchProviderException
    MethodParameters:
           Name  Flags
      algorithm  
      provider   

  public static final javax.crypto.Mac getInstance(java.lang.String, java.security.Provider);
    descriptor: (Ljava/lang/String;Ljava/security/Provider;)Ljavax/crypto/Mac;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // java.lang.String algorithm
        start local 1 // java.security.Provider provider
         0: .line 257
            ldc "Mac"
            ldc Ljavax/crypto/MacSpi;
            aload 0 /* algorithm */
            aload 1 /* provider */
         1: .line 256
            invokestatic javax.crypto.JceSecurity.getInstance:(Ljava/lang/String;Ljava/lang/Class;Ljava/lang/String;Ljava/security/Provider;)Lsun/security/jca/GetInstance$Instance;
            astore 2 /* instance */
        start local 2 // sun.security.jca.GetInstance$Instance instance
         2: .line 258
            new javax.crypto.Mac
            dup
            aload 2 /* instance */
            getfield sun.security.jca.GetInstance$Instance.impl:Ljava/lang/Object;
            checkcast javax.crypto.MacSpi
            aload 2 /* instance */
            getfield sun.security.jca.GetInstance$Instance.provider:Ljava/security/Provider;
            aload 0 /* algorithm */
            invokespecial javax.crypto.Mac.<init>:(Ljavax/crypto/MacSpi;Ljava/security/Provider;Ljava/lang/String;)V
            areturn
        end local 2 // sun.security.jca.GetInstance$Instance instance
        end local 1 // java.security.Provider provider
        end local 0 // java.lang.String algorithm
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0  algorithm  Ljava/lang/String;
            0    3     1   provider  Ljava/security/Provider;
            2    3     2   instance  Lsun/security/jca/GetInstance$Instance;
    Exceptions:
      throws java.security.NoSuchAlgorithmException
    MethodParameters:
           Name  Flags
      algorithm  
      provider   

  void chooseFirstProvider();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=3, locals=5, args_size=1
        start local 0 // javax.crypto.Mac this
         0: .line 270
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            ifnonnull 1
            aload 0 /* this */
            getfield javax.crypto.Mac.serviceIterator:Ljava/util/Iterator;
            ifnonnull 2
         1: .line 271
      StackMap locals:
      StackMap stack:
            return
         2: .line 273
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.crypto.Mac.lock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         3: .line 274
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            ifnull 6
         4: .line 275
            aload 1
            monitorexit
         5: return
         6: .line 277
      StackMap locals: java.lang.Object
      StackMap stack:
            getstatic javax.crypto.Mac.debug:Lsun/security/util/Debug;
            ifnull 13
         7: .line 278
            getstatic javax.crypto.Mac.warnCount:I
            iconst_1
            isub
            dup
            putstatic javax.crypto.Mac.warnCount:I
            istore 2 /* w */
        start local 2 // int w
         8: .line 279
            iload 2 /* w */
            iflt 13
         9: .line 280
            getstatic javax.crypto.Mac.debug:Lsun/security/util/Debug;
            ldc "Mac.init() not first method called, disabling delayed provider selection"
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
        10: .line 282
            iload 2 /* w */
            ifne 12
        11: .line 283
            getstatic javax.crypto.Mac.debug:Lsun/security/util/Debug;
            ldc "Further warnings of this type will be suppressed"
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
        12: .line 286
      StackMap locals: int
      StackMap stack:
            new java.lang.Exception
            dup
            ldc "Call trace"
            invokespecial java.lang.Exception.<init>:(Ljava/lang/String;)V
            invokevirtual java.lang.Exception.printStackTrace:()V
        end local 2 // int w
        13: .line 289
      StackMap locals:
      StackMap stack:
            aconst_null
            astore 2 /* lastException */
        start local 2 // java.lang.Exception lastException
        14: .line 290
            goto 33
        15: .line 292
      StackMap locals: java.lang.Exception
      StackMap stack:
            aload 0 /* this */
            getfield javax.crypto.Mac.firstService:Ljava/security/Provider$Service;
            ifnull 19
        16: .line 293
            aload 0 /* this */
            getfield javax.crypto.Mac.firstService:Ljava/security/Provider$Service;
            astore 3 /* s */
        start local 3 // java.security.Provider$Service s
        17: .line 294
            aload 0 /* this */
            aconst_null
            putfield javax.crypto.Mac.firstService:Ljava/security/Provider$Service;
        18: .line 295
            goto 20
        end local 3 // java.security.Provider$Service s
        19: .line 296
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.crypto.Mac.serviceIterator:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.security.Provider$Service
            astore 3 /* s */
        start local 3 // java.security.Provider$Service s
        20: .line 298
      StackMap locals: java.security.Provider$Service
      StackMap stack:
            aload 3 /* s */
            invokevirtual java.security.Provider$Service.getProvider:()Ljava/security/Provider;
            invokestatic javax.crypto.JceSecurity.canUseProvider:(Ljava/security/Provider;)Z
            ifne 22
        21: .line 299
            goto 33
        22: .line 302
      StackMap locals:
      StackMap stack:
            aload 3 /* s */
            aconst_null
            invokevirtual java.security.Provider$Service.newInstance:(Ljava/lang/Object;)Ljava/lang/Object;
            astore 4 /* obj */
        start local 4 // java.lang.Object obj
        23: .line 303
            aload 4 /* obj */
            instanceof javax.crypto.MacSpi
            ifne 25
        24: .line 304
            goto 33
        25: .line 306
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            aload 4 /* obj */
            checkcast javax.crypto.MacSpi
            putfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
        26: .line 307
            aload 0 /* this */
            aload 3 /* s */
            invokevirtual java.security.Provider$Service.getProvider:()Ljava/security/Provider;
            putfield javax.crypto.Mac.provider:Ljava/security/Provider;
        27: .line 309
            aload 0 /* this */
            aconst_null
            putfield javax.crypto.Mac.firstService:Ljava/security/Provider$Service;
        28: .line 310
            aload 0 /* this */
            aconst_null
            putfield javax.crypto.Mac.serviceIterator:Ljava/util/Iterator;
        29: .line 311
            aload 1
            monitorexit
        30: return
        end local 4 // java.lang.Object obj
        31: .line 312
      StackMap locals: javax.crypto.Mac java.lang.Object java.lang.Exception java.security.Provider$Service
      StackMap stack: java.security.NoSuchAlgorithmException
            astore 4 /* e */
        start local 4 // java.security.NoSuchAlgorithmException e
        32: .line 313
            aload 4 /* e */
            astore 2 /* lastException */
        end local 4 // java.security.NoSuchAlgorithmException e
        end local 3 // java.security.Provider$Service s
        33: .line 290
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.crypto.Mac.firstService:Ljava/security/Provider$Service;
            ifnonnull 15
            aload 0 /* this */
            getfield javax.crypto.Mac.serviceIterator:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 15
        34: .line 316
            new java.security.ProviderException
            dup
        35: .line 317
            ldc "Could not construct MacSpi instance"
        36: .line 316
            invokespecial java.security.ProviderException.<init>:(Ljava/lang/String;)V
            astore 3 /* e */
        start local 3 // java.security.ProviderException e
        37: .line 318
            aload 2 /* lastException */
            ifnull 39
        38: .line 319
            aload 3 /* e */
            aload 2 /* lastException */
            invokevirtual java.security.ProviderException.initCause:(Ljava/lang/Throwable;)Ljava/lang/Throwable;
            pop
        39: .line 321
      StackMap locals: java.security.ProviderException
      StackMap stack:
            aload 3 /* e */
            athrow
        end local 3 // java.security.ProviderException e
        end local 2 // java.lang.Exception lastException
        40: .line 273
      StackMap locals: javax.crypto.Mac java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
        41: athrow
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   42     0           this  Ljavax/crypto/Mac;
            8   13     2              w  I
           14   40     2  lastException  Ljava/lang/Exception;
           17   19     3              s  Ljava/security/Provider$Service;
           20   33     3              s  Ljava/security/Provider$Service;
           23   31     4            obj  Ljava/lang/Object;
           32   33     4              e  Ljava/security/NoSuchAlgorithmException;
           37   40     3              e  Ljava/security/ProviderException;
      Exception table:
        from    to  target  type
          22    24      31  Class java.security.NoSuchAlgorithmException
          25    29      31  Class java.security.NoSuchAlgorithmException
           3     5      40  any
           6    30      40  any
          31    41      40  any

  private void chooseProvider(java.security.Key, java.security.spec.AlgorithmParameterSpec);
    descriptor: (Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=7, args_size=3
        start local 0 // javax.crypto.Mac this
        start local 1 // java.security.Key key
        start local 2 // java.security.spec.AlgorithmParameterSpec params
         0: .line 327
            aload 0 /* this */
            getfield javax.crypto.Mac.lock:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         1: .line 328
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            ifnull 5
         2: .line 329
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            aload 1 /* key */
            aload 2 /* params */
            invokevirtual javax.crypto.MacSpi.engineInit:(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
         3: .line 330
            aload 3
            monitorexit
         4: return
         5: .line 332
      StackMap locals: java.lang.Object
      StackMap stack:
            aconst_null
            astore 4 /* lastException */
        start local 4 // java.lang.Exception lastException
         6: .line 333
            goto 27
         7: .line 335
      StackMap locals: java.lang.Exception
      StackMap stack:
            aload 0 /* this */
            getfield javax.crypto.Mac.firstService:Ljava/security/Provider$Service;
            ifnull 11
         8: .line 336
            aload 0 /* this */
            getfield javax.crypto.Mac.firstService:Ljava/security/Provider$Service;
            astore 5 /* s */
        start local 5 // java.security.Provider$Service s
         9: .line 337
            aload 0 /* this */
            aconst_null
            putfield javax.crypto.Mac.firstService:Ljava/security/Provider$Service;
        10: .line 338
            goto 12
        end local 5 // java.security.Provider$Service s
        11: .line 339
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.crypto.Mac.serviceIterator:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.security.Provider$Service
            astore 5 /* s */
        start local 5 // java.security.Provider$Service s
        12: .line 342
      StackMap locals: java.security.Provider$Service
      StackMap stack:
            aload 5 /* s */
            aload 1 /* key */
            invokevirtual java.security.Provider$Service.supportsParameter:(Ljava/lang/Object;)Z
            ifne 14
        13: .line 343
            goto 27
        14: .line 345
      StackMap locals:
      StackMap stack:
            aload 5 /* s */
            invokevirtual java.security.Provider$Service.getProvider:()Ljava/security/Provider;
            invokestatic javax.crypto.JceSecurity.canUseProvider:(Ljava/security/Provider;)Z
            ifne 16
        15: .line 346
            goto 27
        16: .line 349
      StackMap locals:
      StackMap stack:
            aload 5 /* s */
            aconst_null
            invokevirtual java.security.Provider$Service.newInstance:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javax.crypto.MacSpi
            astore 6 /* spi */
        start local 6 // javax.crypto.MacSpi spi
        17: .line 350
            aload 6 /* spi */
            aload 1 /* key */
            aload 2 /* params */
            invokevirtual javax.crypto.MacSpi.engineInit:(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
        18: .line 351
            aload 0 /* this */
            aload 5 /* s */
            invokevirtual java.security.Provider$Service.getProvider:()Ljava/security/Provider;
            putfield javax.crypto.Mac.provider:Ljava/security/Provider;
        19: .line 352
            aload 0 /* this */
            aload 6 /* spi */
            putfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
        20: .line 353
            aload 0 /* this */
            aconst_null
            putfield javax.crypto.Mac.firstService:Ljava/security/Provider$Service;
        21: .line 354
            aload 0 /* this */
            aconst_null
            putfield javax.crypto.Mac.serviceIterator:Ljava/util/Iterator;
        22: .line 355
            aload 3
            monitorexit
        23: return
        end local 6 // javax.crypto.MacSpi spi
        24: .line 356
      StackMap locals:
      StackMap stack: java.lang.Exception
            astore 6 /* e */
        start local 6 // java.lang.Exception e
        25: .line 360
            aload 4 /* lastException */
            ifnonnull 27
        26: .line 361
            aload 6 /* e */
            astore 4 /* lastException */
        end local 6 // java.lang.Exception e
        end local 5 // java.security.Provider$Service s
        27: .line 333
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.crypto.Mac.firstService:Ljava/security/Provider$Service;
            ifnonnull 7
            aload 0 /* this */
            getfield javax.crypto.Mac.serviceIterator:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 7
        28: .line 366
            aload 4 /* lastException */
            instanceof java.security.InvalidKeyException
            ifeq 30
        29: .line 367
            aload 4 /* lastException */
            checkcast java.security.InvalidKeyException
            athrow
        30: .line 369
      StackMap locals:
      StackMap stack:
            aload 4 /* lastException */
            instanceof java.security.InvalidAlgorithmParameterException
            ifeq 32
        31: .line 370
            aload 4 /* lastException */
            checkcast java.security.InvalidAlgorithmParameterException
            athrow
        32: .line 372
      StackMap locals:
      StackMap stack:
            aload 4 /* lastException */
            instanceof java.lang.RuntimeException
            ifeq 34
        33: .line 373
            aload 4 /* lastException */
            checkcast java.lang.RuntimeException
            athrow
        34: .line 375
      StackMap locals:
      StackMap stack:
            aload 1 /* key */
            ifnull 35
            aload 1 /* key */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            goto 36
      StackMap locals:
      StackMap stack:
        35: ldc "(null)"
      StackMap locals:
      StackMap stack: java.lang.String
        36: astore 5 /* kName */
        start local 5 // java.lang.String kName
        37: .line 376
            new java.security.InvalidKeyException
            dup
        38: .line 377
            new java.lang.StringBuilder
            dup
            ldc "No installed provider supports this key: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        39: .line 378
            aload 5 /* kName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        40: .line 377
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        41: .line 378
            aload 4 /* lastException */
        42: .line 376
            invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 5 // java.lang.String kName
        end local 4 // java.lang.Exception lastException
        43: .line 327
      StackMap locals: javax.crypto.Mac java.security.Key java.security.spec.AlgorithmParameterSpec java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 3
            monitorexit
        44: athrow
        end local 2 // java.security.spec.AlgorithmParameterSpec params
        end local 1 // java.security.Key key
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   45     0           this  Ljavax/crypto/Mac;
            0   45     1            key  Ljava/security/Key;
            0   45     2         params  Ljava/security/spec/AlgorithmParameterSpec;
            6   43     4  lastException  Ljava/lang/Exception;
            9   11     5              s  Ljava/security/Provider$Service;
           12   27     5              s  Ljava/security/Provider$Service;
           17   24     6            spi  Ljavax/crypto/MacSpi;
           25   27     6              e  Ljava/lang/Exception;
           37   43     5          kName  Ljava/lang/String;
      Exception table:
        from    to  target  type
          16    22      24  Class java.lang.Exception
           1     4      43  any
           5    23      43  any
          24    44      43  any
    Exceptions:
      throws java.security.InvalidKeyException, java.security.InvalidAlgorithmParameterException
    MethodParameters:
        Name  Flags
      key     
      params  

  public final java.security.Provider getProvider();
    descriptor: ()Ljava/security/Provider;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // javax.crypto.Mac this
         0: .line 388
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.chooseFirstProvider:()V
         1: .line 389
            aload 0 /* this */
            getfield javax.crypto.Mac.provider:Ljava/security/Provider;
            areturn
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljavax/crypto/Mac;

  public final int getMacLength();
    descriptor: ()I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // javax.crypto.Mac this
         0: .line 398
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.chooseFirstProvider:()V
         1: .line 399
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            invokevirtual javax.crypto.MacSpi.engineGetMacLength:()I
            ireturn
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljavax/crypto/Mac;

  public final void init(java.security.Key);
    descriptor: (Ljava/security/Key;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // javax.crypto.Mac this
        start local 1 // java.security.Key key
         0: .line 412
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            ifnull 3
         1: .line 413
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            aload 1 /* key */
            aconst_null
            invokevirtual javax.crypto.MacSpi.engineInit:(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
         2: .line 414
            goto 7
         3: .line 415
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* key */
            aconst_null
            invokevirtual javax.crypto.Mac.chooseProvider:(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
         4: .line 417
            goto 7
      StackMap locals:
      StackMap stack: java.security.InvalidAlgorithmParameterException
         5: astore 2 /* e */
        start local 2 // java.security.InvalidAlgorithmParameterException e
         6: .line 418
            new java.security.InvalidKeyException
            dup
            ldc "init() failed"
            aload 2 /* e */
            invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 2 // java.security.InvalidAlgorithmParameterException e
         7: .line 420
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_1
            putfield javax.crypto.Mac.initialized:Z
         8: .line 422
            getstatic javax.crypto.Mac.skipDebug:Z
            ifne 12
            getstatic javax.crypto.Mac.pdebug:Lsun/security/util/Debug;
            ifnull 12
         9: .line 423
            getstatic javax.crypto.Mac.pdebug:Lsun/security/util/Debug;
            new java.lang.StringBuilder
            dup
            ldc "Mac."
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield javax.crypto.Mac.algorithm:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " algorithm from: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        10: .line 424
            aload 0 /* this */
            getfield javax.crypto.Mac.provider:Ljava/security/Provider;
            invokevirtual java.security.Provider.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        11: .line 423
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
        12: .line 426
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.security.Key key
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   13     0  this  Ljavax/crypto/Mac;
            0   13     1   key  Ljava/security/Key;
            6    7     2     e  Ljava/security/InvalidAlgorithmParameterException;
      Exception table:
        from    to  target  type
           0     4       5  Class java.security.InvalidAlgorithmParameterException
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
      Name  Flags
      key   

  public final void init(java.security.Key, java.security.spec.AlgorithmParameterSpec);
    descriptor: (Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // javax.crypto.Mac this
        start local 1 // java.security.Key key
        start local 2 // java.security.spec.AlgorithmParameterSpec params
         0: .line 442
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            ifnull 3
         1: .line 443
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            aload 1 /* key */
            aload 2 /* params */
            invokevirtual javax.crypto.MacSpi.engineInit:(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
         2: .line 444
            goto 4
         3: .line 445
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* key */
            aload 2 /* params */
            invokevirtual javax.crypto.Mac.chooseProvider:(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
         4: .line 447
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_1
            putfield javax.crypto.Mac.initialized:Z
         5: .line 449
            getstatic javax.crypto.Mac.skipDebug:Z
            ifne 9
            getstatic javax.crypto.Mac.pdebug:Lsun/security/util/Debug;
            ifnull 9
         6: .line 450
            getstatic javax.crypto.Mac.pdebug:Lsun/security/util/Debug;
            new java.lang.StringBuilder
            dup
            ldc "Mac."
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield javax.crypto.Mac.algorithm:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " algorithm from: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         7: .line 451
            aload 0 /* this */
            getfield javax.crypto.Mac.provider:Ljava/security/Provider;
            invokevirtual java.security.Provider.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         8: .line 450
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
         9: .line 453
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.security.spec.AlgorithmParameterSpec params
        end local 1 // java.security.Key key
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   10     0    this  Ljavax/crypto/Mac;
            0   10     1     key  Ljava/security/Key;
            0   10     2  params  Ljava/security/spec/AlgorithmParameterSpec;
    Exceptions:
      throws java.security.InvalidKeyException, java.security.InvalidAlgorithmParameterException
    MethodParameters:
        Name  Flags
      key     
      params  

  public final void update(byte);
    descriptor: (B)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // javax.crypto.Mac this
        start local 1 // byte input
         0: .line 464
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.chooseFirstProvider:()V
         1: .line 465
            aload 0 /* this */
            getfield javax.crypto.Mac.initialized:Z
            ifne 3
         2: .line 466
            new java.lang.IllegalStateException
            dup
            ldc "MAC not initialized"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 468
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            iload 1 /* input */
            invokevirtual javax.crypto.MacSpi.engineUpdate:(B)V
         4: .line 469
            return
        end local 1 // byte input
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Ljavax/crypto/Mac;
            0    5     1  input  B
    Exceptions:
      throws java.lang.IllegalStateException
    MethodParameters:
       Name  Flags
      input  

  public final void update(byte[]);
    descriptor: ([B)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // javax.crypto.Mac this
        start local 1 // byte[] input
         0: .line 480
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.chooseFirstProvider:()V
         1: .line 481
            aload 0 /* this */
            getfield javax.crypto.Mac.initialized:Z
            ifne 3
         2: .line 482
            new java.lang.IllegalStateException
            dup
            ldc "MAC not initialized"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 484
      StackMap locals:
      StackMap stack:
            aload 1 /* input */
            ifnull 5
         4: .line 485
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            aload 1 /* input */
            iconst_0
            aload 1 /* input */
            arraylength
            invokevirtual javax.crypto.MacSpi.engineUpdate:([BII)V
         5: .line 487
      StackMap locals:
      StackMap stack:
            return
        end local 1 // byte[] input
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Ljavax/crypto/Mac;
            0    6     1  input  [B
    Exceptions:
      throws java.lang.IllegalStateException
    MethodParameters:
       Name  Flags
      input  

  public final void update(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // javax.crypto.Mac this
        start local 1 // byte[] input
        start local 2 // int offset
        start local 3 // int len
         0: .line 502
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.chooseFirstProvider:()V
         1: .line 503
            aload 0 /* this */
            getfield javax.crypto.Mac.initialized:Z
            ifne 3
         2: .line 504
            new java.lang.IllegalStateException
            dup
            ldc "MAC not initialized"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 507
      StackMap locals:
      StackMap stack:
            aload 1 /* input */
            ifnull 7
         4: .line 508
            iload 2 /* offset */
            iflt 5
            iload 3 /* len */
            aload 1 /* input */
            arraylength
            iload 2 /* offset */
            isub
            if_icmpgt 5
            iload 3 /* len */
            ifge 6
         5: .line 509
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "Bad arguments"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 510
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            aload 1 /* input */
            iload 2 /* offset */
            iload 3 /* len */
            invokevirtual javax.crypto.MacSpi.engineUpdate:([BII)V
         7: .line 512
      StackMap locals:
      StackMap stack:
            return
        end local 3 // int len
        end local 2 // int offset
        end local 1 // byte[] input
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0    this  Ljavax/crypto/Mac;
            0    8     1   input  [B
            0    8     2  offset  I
            0    8     3     len  I
    Exceptions:
      throws java.lang.IllegalStateException
    MethodParameters:
        Name  Flags
      input   
      offset  
      len     

  public final void update(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // javax.crypto.Mac this
        start local 1 // java.nio.ByteBuffer input
         0: .line 527
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.chooseFirstProvider:()V
         1: .line 528
            aload 0 /* this */
            getfield javax.crypto.Mac.initialized:Z
            ifne 3
         2: .line 529
            new java.lang.IllegalStateException
            dup
            ldc "MAC not initialized"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 531
      StackMap locals:
      StackMap stack:
            aload 1 /* input */
            ifnonnull 5
         4: .line 532
            new java.lang.IllegalArgumentException
            dup
            ldc "Buffer must not be null"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 534
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            aload 1 /* input */
            invokevirtual javax.crypto.MacSpi.engineUpdate:(Ljava/nio/ByteBuffer;)V
         6: .line 535
            return
        end local 1 // java.nio.ByteBuffer input
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Ljavax/crypto/Mac;
            0    7     1  input  Ljava/nio/ByteBuffer;
    MethodParameters:
       Name  Flags
      input  

  public final byte[] doFinal();
    descriptor: ()[B
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // javax.crypto.Mac this
         0: .line 557
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.chooseFirstProvider:()V
         1: .line 558
            aload 0 /* this */
            getfield javax.crypto.Mac.initialized:Z
            ifne 3
         2: .line 559
            new java.lang.IllegalStateException
            dup
            ldc "MAC not initialized"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 561
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            invokevirtual javax.crypto.MacSpi.engineDoFinal:()[B
            astore 1 /* mac */
        start local 1 // byte[] mac
         4: .line 562
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            invokevirtual javax.crypto.MacSpi.engineReset:()V
         5: .line 563
            aload 1 /* mac */
            areturn
        end local 1 // byte[] mac
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljavax/crypto/Mac;
            4    6     1   mac  [B
    Exceptions:
      throws java.lang.IllegalStateException

  public final void doFinal(byte[], int);
    descriptor: ([BI)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=5, locals=5, args_size=3
        start local 0 // javax.crypto.Mac this
        start local 1 // byte[] output
        start local 2 // int outOffset
         0: .line 595
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.chooseFirstProvider:()V
         1: .line 596
            aload 0 /* this */
            getfield javax.crypto.Mac.initialized:Z
            ifne 3
         2: .line 597
            new java.lang.IllegalStateException
            dup
            ldc "MAC not initialized"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 599
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.getMacLength:()I
            istore 3 /* macLen */
        start local 3 // int macLen
         4: .line 600
            aload 1 /* output */
            ifnull 5
            aload 1 /* output */
            arraylength
            iload 2 /* outOffset */
            isub
            iload 3 /* macLen */
            if_icmpge 8
         5: .line 601
      StackMap locals: int
      StackMap stack:
            new javax.crypto.ShortBufferException
            dup
         6: .line 602
            ldc "Cannot store MAC in output buffer"
         7: .line 601
            invokespecial javax.crypto.ShortBufferException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 604
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.doFinal:()[B
            astore 4 /* mac */
        start local 4 // byte[] mac
         9: .line 605
            aload 4 /* mac */
            iconst_0
            aload 1 /* output */
            iload 2 /* outOffset */
            iload 3 /* macLen */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        10: .line 606
            return
        end local 4 // byte[] mac
        end local 3 // int macLen
        end local 2 // int outOffset
        end local 1 // byte[] output
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   11     0       this  Ljavax/crypto/Mac;
            0   11     1     output  [B
            0   11     2  outOffset  I
            4   11     3     macLen  I
            9   11     4        mac  [B
    Exceptions:
      throws javax.crypto.ShortBufferException, java.lang.IllegalStateException
    MethodParameters:
           Name  Flags
      output     
      outOffset  

  public final byte[] doFinal(byte[]);
    descriptor: ([B)[B
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // javax.crypto.Mac this
        start local 1 // byte[] input
         0: .line 631
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.chooseFirstProvider:()V
         1: .line 632
            aload 0 /* this */
            getfield javax.crypto.Mac.initialized:Z
            ifne 3
         2: .line 633
            new java.lang.IllegalStateException
            dup
            ldc "MAC not initialized"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 635
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* input */
            invokevirtual javax.crypto.Mac.update:([B)V
         4: .line 636
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.doFinal:()[B
            areturn
        end local 1 // byte[] input
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Ljavax/crypto/Mac;
            0    5     1  input  [B
    Exceptions:
      throws java.lang.IllegalStateException
    MethodParameters:
       Name  Flags
      input  

  public final void reset();
    descriptor: ()V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // javax.crypto.Mac this
         0: .line 654
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.chooseFirstProvider:()V
         1: .line 655
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            invokevirtual javax.crypto.MacSpi.engineReset:()V
         2: .line 656
            return
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljavax/crypto/Mac;

  public final java.lang.Object clone();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // javax.crypto.Mac this
         0: .line 667
            aload 0 /* this */
            invokevirtual javax.crypto.Mac.chooseFirstProvider:()V
         1: .line 668
            aload 0 /* this */
            invokespecial java.lang.Object.clone:()Ljava/lang/Object;
            checkcast javax.crypto.Mac
            astore 1 /* that */
        start local 1 // javax.crypto.Mac that
         2: .line 669
            aload 1 /* that */
            aload 0 /* this */
            getfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
            invokevirtual javax.crypto.MacSpi.clone:()Ljava/lang/Object;
            checkcast javax.crypto.MacSpi
            putfield javax.crypto.Mac.spi:Ljavax/crypto/MacSpi;
         3: .line 670
            aload 1 /* that */
            areturn
        end local 1 // javax.crypto.Mac that
        end local 0 // javax.crypto.Mac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljavax/crypto/Mac;
            2    4     1  that  Ljavax/crypto/Mac;
    Exceptions:
      throws java.lang.CloneNotSupportedException
}
SourceFile: "Mac.java"
InnerClasses:
  public Service = java.security.Provider$Service of java.security.Provider
  public final Instance = sun.security.jca.GetInstance$Instance of sun.security.jca.GetInstance