public class io.vertx.ext.auth.PRNG implements io.vertx.ext.auth.VertxContextPRNG
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.vertx.ext.auth.PRNG
  super_class: java.lang.Object
{
  private static final int DEFAULT_SEED_INTERVAL_MILLIS;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 300000

  private static final int DEFAULT_SEED_BITS;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 64

  private final java.security.SecureRandom random;
    descriptor: Ljava/security/SecureRandom;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final long seedID;
    descriptor: J
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final io.vertx.core.Vertx vertx;
    descriptor: Lio/vertx/core/Vertx;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private volatile boolean dirty;
    descriptor: Z
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  public void <init>(io.vertx.core.Vertx);
    descriptor: (Lio/vertx/core/Vertx;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=8, locals=6, args_size=2
        start local 0 // io.vertx.ext.auth.PRNG this
        start local 1 // io.vertx.core.Vertx vertx
         0: .line 43
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 41
            aload 0 /* this */
            iconst_0
            putfield io.vertx.ext.auth.PRNG.dirty:Z
         2: .line 44
            aload 0 /* this */
            aload 1 /* vertx */
            putfield io.vertx.ext.auth.PRNG.vertx:Lio/vertx/core/Vertx;
         3: .line 46
            ldc "io.vertx.ext.auth.prng.algorithm"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 2 /* algorithm */
        start local 2 // java.lang.String algorithm
         4: .line 47
            ldc "io.vertx.ext.auth.prng.seed.interval"
            ldc 300000
            invokestatic java.lang.Integer.getInteger:(Ljava/lang/String;I)Ljava/lang/Integer;
            invokevirtual java.lang.Integer.intValue:()I
            istore 3 /* seedInterval */
        start local 3 // int seedInterval
         5: .line 48
            ldc "io.vertx.ext.auth.prng.seed.bits"
            bipush 64
            invokestatic java.lang.Integer.getInteger:(Ljava/lang/String;I)Ljava/lang/Integer;
            invokevirtual java.lang.Integer.intValue:()I
            istore 4 /* seedBits */
        start local 4 // int seedBits
         6: .line 50
            aload 2 /* algorithm */
            ifnull 11
         7: .line 53
            aload 0 /* this */
            aload 2 /* algorithm */
            invokestatic java.security.SecureRandom.getInstance:(Ljava/lang/String;)Ljava/security/SecureRandom;
            putfield io.vertx.ext.auth.PRNG.random:Ljava/security/SecureRandom;
         8: .line 54
            goto 12
      StackMap locals: io.vertx.ext.auth.PRNG io.vertx.core.Vertx java.lang.String int int
      StackMap stack: java.security.NoSuchAlgorithmException
         9: astore 5 /* e */
        start local 5 // java.security.NoSuchAlgorithmException e
        10: .line 56
            new java.lang.RuntimeException
            dup
            aload 5 /* e */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 5 // java.security.NoSuchAlgorithmException e
        11: .line 62
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            new java.security.SecureRandom
            dup
            invokespecial java.security.SecureRandom.<init>:()V
            putfield io.vertx.ext.auth.PRNG.random:Ljava/security/SecureRandom;
        12: .line 66
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.vertx.ext.auth.PRNG.random:Ljava/security/SecureRandom;
            iconst_1
            newarray 8
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
        13: .line 69
            iload 3 /* seedInterval */
            ifle 20
            iload 4 /* seedBits */
            ifle 20
        14: .line 70
            new java.util.concurrent.atomic.AtomicBoolean
            dup
            iconst_0
            invokespecial java.util.concurrent.atomic.AtomicBoolean.<init>:(Z)V
            astore 5 /* seeding */
        start local 5 // java.util.concurrent.atomic.AtomicBoolean seeding
        15: .line 73
            aload 0 /* this */
            aload 1 /* vertx */
        16: .line 74
            iload 3 /* seedInterval */
            i2l
        17: .line 75
            aload 0 /* this */
            aload 5 /* seeding */
            aload 1 /* vertx */
            iload 4 /* seedBits */
            invokedynamic handle(Lio/vertx/ext/auth/PRNG;Ljava/util/concurrent/atomic/AtomicBoolean;Lio/vertx/core/Vertx;I)Lio/vertx/core/Handler;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)V
                  io/vertx/ext/auth/PRNG.lambda$0(Ljava/util/concurrent/atomic/AtomicBoolean;Lio/vertx/core/Vertx;ILjava/lang/Long;)V (7)
                  (Ljava/lang/Long;)V
        18: .line 73
            invokeinterface io.vertx.core.Vertx.setPeriodic:(JLio/vertx/core/Handler;)J
            putfield io.vertx.ext.auth.PRNG.seedID:J
        end local 5 // java.util.concurrent.atomic.AtomicBoolean seeding
        19: .line 87
            goto 21
        20: .line 88
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            ldc -1
            putfield io.vertx.ext.auth.PRNG.seedID:J
        21: .line 90
      StackMap locals:
      StackMap stack:
            return
        end local 4 // int seedBits
        end local 3 // int seedInterval
        end local 2 // java.lang.String algorithm
        end local 1 // io.vertx.core.Vertx vertx
        end local 0 // io.vertx.ext.auth.PRNG this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   22     0          this  Lio/vertx/ext/auth/PRNG;
            0   22     1         vertx  Lio/vertx/core/Vertx;
            4   22     2     algorithm  Ljava/lang/String;
            5   22     3  seedInterval  I
            6   22     4      seedBits  I
           10   11     5             e  Ljava/security/NoSuchAlgorithmException;
           15   19     5       seeding  Ljava/util/concurrent/atomic/AtomicBoolean;
      Exception table:
        from    to  target  type
           7     8       9  Class java.security.NoSuchAlgorithmException
    MethodParameters:
       Name  Flags
      vertx  

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // io.vertx.ext.auth.PRNG this
         0: .line 94
            aload 0 /* this */
            getfield io.vertx.ext.auth.PRNG.seedID:J
            ldc -1
            lcmp
            ifeq 2
         1: .line 95
            aload 0 /* this */
            getfield io.vertx.ext.auth.PRNG.vertx:Lio/vertx/core/Vertx;
            aload 0 /* this */
            getfield io.vertx.ext.auth.PRNG.seedID:J
            invokeinterface io.vertx.core.Vertx.cancelTimer:(J)Z
            pop
         2: .line 97
      StackMap locals:
      StackMap stack:
            return
        end local 0 // io.vertx.ext.auth.PRNG this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/vertx/ext/auth/PRNG;

  public void nextBytes(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.vertx.ext.auth.PRNG this
        start local 1 // byte[] bytes
         0: .line 101
            aload 1 /* bytes */
            ifnull 3
         1: .line 102
            aload 0 /* this */
            getfield io.vertx.ext.auth.PRNG.random:Ljava/security/SecureRandom;
            aload 1 /* bytes */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
         2: .line 103
            aload 0 /* this */
            iconst_1
            putfield io.vertx.ext.auth.PRNG.dirty:Z
         3: .line 105
      StackMap locals:
      StackMap stack:
            return
        end local 1 // byte[] bytes
        end local 0 // io.vertx.ext.auth.PRNG this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lio/vertx/ext/auth/PRNG;
            0    4     1  bytes  [B
    MethodParameters:
       Name  Flags
      bytes  

  public int nextInt();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // io.vertx.ext.auth.PRNG this
         0: .line 109
            aload 0 /* this */
            getfield io.vertx.ext.auth.PRNG.random:Ljava/security/SecureRandom;
            invokevirtual java.security.SecureRandom.nextInt:()I
            istore 1 /* rand */
        start local 1 // int rand
         1: .line 110
            aload 0 /* this */
            iconst_1
            putfield io.vertx.ext.auth.PRNG.dirty:Z
         2: .line 111
            iload 1 /* rand */
            ireturn
        end local 1 // int rand
        end local 0 // io.vertx.ext.auth.PRNG this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/vertx/ext/auth/PRNG;
            1    3     1  rand  I

  public int nextInt(int);
    descriptor: (I)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // io.vertx.ext.auth.PRNG this
        start local 1 // int bound
         0: .line 116
            aload 0 /* this */
            getfield io.vertx.ext.auth.PRNG.random:Ljava/security/SecureRandom;
            iload 1 /* bound */
            invokevirtual java.security.SecureRandom.nextInt:(I)I
            istore 2 /* rand */
        start local 2 // int rand
         1: .line 117
            aload 0 /* this */
            iconst_1
            putfield io.vertx.ext.auth.PRNG.dirty:Z
         2: .line 118
            iload 2 /* rand */
            ireturn
        end local 2 // int rand
        end local 1 // int bound
        end local 0 // io.vertx.ext.auth.PRNG this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lio/vertx/ext/auth/PRNG;
            0    3     1  bound  I
            1    3     2   rand  I
    MethodParameters:
       Name  Flags
      bound  final

  private void lambda$0(java.util.concurrent.atomic.AtomicBoolean, io.vertx.core.Vertx, int, java.lang.Long);
    descriptor: (Ljava/util/concurrent/atomic/AtomicBoolean;Lio/vertx/core/Vertx;ILjava/lang/Long;)V
    flags: (0x1002) ACC_PRIVATE, ACC_SYNTHETIC
    Code:
      stack=5, locals=5, args_size=5
        start local 0 // io.vertx.ext.auth.PRNG this
        start local 4 // java.lang.Long id
         0: .line 76
            aload 0 /* this */
            getfield io.vertx.ext.auth.PRNG.dirty:Z
            ifeq 6
            aload 1
            iconst_0
            iconst_1
            invokevirtual java.util.concurrent.atomic.AtomicBoolean.compareAndSet:(ZZ)Z
            ifeq 6
         1: .line 77
            aload 2
         2: .line 78
            aload 0 /* this */
            iload 3
            invokedynamic handle(Lio/vertx/ext/auth/PRNG;I)Lio/vertx/core/Handler;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)V
                  io/vertx/ext/auth/PRNG.lambda$1(ILio/vertx/core/Promise;)V (7)
                  (Lio/vertx/core/Promise;)V
         3: .line 79
            iconst_0
         4: .line 80
            aload 0 /* this */
            aload 1
            invokedynamic handle(Lio/vertx/ext/auth/PRNG;Ljava/util/concurrent/atomic/AtomicBoolean;)Lio/vertx/core/Handler;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)V
                  io/vertx/ext/auth/PRNG.lambda$2(Ljava/util/concurrent/atomic/AtomicBoolean;Lio/vertx/core/AsyncResult;)V (7)
                  (Lio/vertx/core/AsyncResult;)V
         5: .line 77
            invokeinterface io.vertx.core.Vertx.executeBlocking:(Lio/vertx/core/Handler;ZLio/vertx/core/Handler;)V
         6: .line 86
      StackMap locals:
      StackMap stack:
            return
        end local 4 // java.lang.Long id
        end local 0 // io.vertx.ext.auth.PRNG this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lio/vertx/ext/auth/PRNG;
            0    7     4    id  Ljava/lang/Long;

  private void lambda$1(int, io.vertx.core.Promise);
    descriptor: (ILio/vertx/core/Promise;)V
    flags: (0x1002) ACC_PRIVATE, ACC_SYNTHETIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.vertx.ext.auth.PRNG this
        start local 2 // io.vertx.core.Promise future
         0: .line 78
            aload 2 /* future */
            aload 0 /* this */
            getfield io.vertx.ext.auth.PRNG.random:Ljava/security/SecureRandom;
            iload 1
            bipush 8
            idiv
            invokevirtual java.security.SecureRandom.generateSeed:(I)[B
            invokeinterface io.vertx.core.Promise.complete:(Ljava/lang/Object;)V
            return
        end local 2 // io.vertx.core.Promise future
        end local 0 // io.vertx.ext.auth.PRNG this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lio/vertx/ext/auth/PRNG;
            0    1     2  future  Lio/vertx/core/Promise<[B>;

  private void lambda$2(java.util.concurrent.atomic.AtomicBoolean, io.vertx.core.AsyncResult);
    descriptor: (Ljava/util/concurrent/atomic/AtomicBoolean;Lio/vertx/core/AsyncResult;)V
    flags: (0x1002) ACC_PRIVATE, ACC_SYNTHETIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // io.vertx.ext.auth.PRNG this
        start local 2 // io.vertx.core.AsyncResult generateSeed
         0: .line 81
            aload 1
            iconst_0
            invokevirtual java.util.concurrent.atomic.AtomicBoolean.set:(Z)V
         1: .line 82
            aload 0 /* this */
            iconst_0
            putfield io.vertx.ext.auth.PRNG.dirty:Z
         2: .line 83
            aload 0 /* this */
            getfield io.vertx.ext.auth.PRNG.random:Ljava/security/SecureRandom;
            aload 2 /* generateSeed */
            invokeinterface io.vertx.core.AsyncResult.result:()Ljava/lang/Object;
            checkcast byte[]
            invokevirtual java.security.SecureRandom.setSeed:([B)V
         3: .line 84
            return
        end local 2 // io.vertx.core.AsyncResult generateSeed
        end local 0 // io.vertx.ext.auth.PRNG this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    4     0          this  Lio/vertx/ext/auth/PRNG;
            0    4     2  generateSeed  Lio/vertx/core/AsyncResult<[B>;
}
SourceFile: "PRNG.java"
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles