java/9 : java.base/java/security/SecureRandom.class

SecureRandom
https://openjdk.java.net/
GPLv2 + Classpath Exception
public class java.security.SecureRandom extends java.util.Random
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: java.security.SecureRandom
  super_class: java.util.Random
{
  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 java.security.SecureRandomSpi secureRandomSpi;
    descriptor: Ljava/security/SecureRandomSpi;
    flags: (0x0002) ACC_PRIVATE

  private final boolean threadSafe;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private java.lang.String algorithm;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  private static volatile java.security.SecureRandom seedGenerator;
    descriptor: Ljava/security/SecureRandom;
    flags: (0x004a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE

  static final long serialVersionUID;
    descriptor: J
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 4940670005562187

  private byte[] state;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  private java.security.MessageDigest digest;
    descriptor: Ljava/security/MessageDigest;
    flags: (0x0002) ACC_PRIVATE

  private byte[] randomBytes;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  private int randomBytesUsed;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private long counter;
    descriptor: J
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 152
            ldc "provider"
            ldc "Provider"
            invokestatic sun.security.util.Debug.getInstance:(Ljava/lang/String;Ljava/lang/String;)Lsun/security/util/Debug;
         1: .line 151
            putstatic java.security.SecureRandom.pdebug:Lsun/security/util/Debug;
         2: .line 154
            ldc "engine="
            invokestatic sun.security.util.Debug.isOn:(Ljava/lang/String;)Z
            ifeq 4
            ldc "securerandom"
            invokestatic sun.security.util.Debug.isOn:(Ljava/lang/String;)Z
            ifne 4
         3: .line 153
            iconst_1
            goto 5
      StackMap locals:
      StackMap stack:
         4: iconst_0
      StackMap locals:
      StackMap stack: int
         5: putstatic java.security.SecureRandom.skipDebug:Z
         6: .line 1027
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.security.SecureRandom this
         0: .line 217
            aload 0 /* this */
            lconst_0
            invokespecial java.util.Random.<init>:(J)V
         1: .line 162
            aload 0 /* this */
            aconst_null
            putfield java.security.SecureRandom.provider:Ljava/security/Provider;
         2: .line 170
            aload 0 /* this */
            aconst_null
            putfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
         3: .line 1037
            aload 0 /* this */
            aconst_null
            putfield java.security.SecureRandom.digest:Ljava/security/MessageDigest;
         4: .line 218
            aload 0 /* this */
            iconst_0
            aconst_null
            invokevirtual java.security.SecureRandom.getDefaultPRNG:(Z[B)V
         5: .line 219
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual java.security.SecureRandom.getThreadSafe:()Z
            putfield java.security.SecureRandom.threadSafe:Z
         6: .line 220
            return
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/security/SecureRandom;

  private boolean getThreadSafe();
    descriptor: ()Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // java.security.SecureRandom this
         0: .line 223
            aload 0 /* this */
            getfield java.security.SecureRandom.provider:Ljava/security/Provider;
            ifnull 1
            aload 0 /* this */
            getfield java.security.SecureRandom.algorithm:Ljava/lang/String;
            ifnonnull 2
         1: .line 224
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
         2: .line 226
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.security.SecureRandom.provider:Ljava/security/Provider;
         3: .line 227
            new java.lang.StringBuilder
            dup
            ldc "SecureRandom."
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield java.security.SecureRandom.algorithm:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " ThreadSafe"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            ldc "false"
         4: .line 226
            invokevirtual java.security.Provider.getProperty:(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
            invokestatic java.lang.Boolean.parseBoolean:(Ljava/lang/String;)Z
            ireturn
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/security/SecureRandom;

  public void <init>(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.security.SecureRandom this
        start local 1 // byte[] seed
         0: .line 255
            aload 0 /* this */
            lconst_0
            invokespecial java.util.Random.<init>:(J)V
         1: .line 162
            aload 0 /* this */
            aconst_null
            putfield java.security.SecureRandom.provider:Ljava/security/Provider;
         2: .line 170
            aload 0 /* this */
            aconst_null
            putfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
         3: .line 1037
            aload 0 /* this */
            aconst_null
            putfield java.security.SecureRandom.digest:Ljava/security/MessageDigest;
         4: .line 256
            aload 0 /* this */
            iconst_1
            aload 1 /* seed */
            invokevirtual java.security.SecureRandom.getDefaultPRNG:(Z[B)V
         5: .line 257
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual java.security.SecureRandom.getThreadSafe:()Z
            putfield java.security.SecureRandom.threadSafe:Z
         6: .line 258
            return
        end local 1 // byte[] seed
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/security/SecureRandom;
            0    7     1  seed  [B
    MethodParameters:
      Name  Flags
      seed  

  private void getDefaultPRNG(boolean, byte[]);
    descriptor: (Z[B)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=5, args_size=3
        start local 0 // java.security.SecureRandom this
        start local 1 // boolean setSeed
        start local 2 // byte[] seed
         0: .line 261
            invokestatic java.security.SecureRandom.getPrngAlgorithm:()Ljava/lang/String;
            astore 3 /* prng */
        start local 3 // java.lang.String prng
         1: .line 262
            aload 3 /* prng */
            ifnonnull 8
         2: .line 264
            ldc "SHA1PRNG"
            astore 3 /* prng */
         3: .line 265
            aload 0 /* this */
            new sun.security.provider.SecureRandom
            dup
            invokespecial sun.security.provider.SecureRandom.<init>:()V
            putfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
         4: .line 266
            aload 0 /* this */
            invokestatic sun.security.jca.Providers.getSunProvider:()Ljava/security/Provider;
            putfield java.security.SecureRandom.provider:Ljava/security/Provider;
         5: .line 267
            iload 1 /* setSeed */
            ifeq 16
         6: .line 268
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            aload 2 /* seed */
            invokevirtual java.security.SecureRandomSpi.engineSetSeed:([B)V
         7: .line 270
            goto 16
         8: .line 272
      StackMap locals: java.lang.String
      StackMap stack:
            aload 3 /* prng */
            invokestatic java.security.SecureRandom.getInstance:(Ljava/lang/String;)Ljava/security/SecureRandom;
            astore 4 /* random */
        start local 4 // java.security.SecureRandom random
         9: .line 273
            aload 0 /* this */
            aload 4 /* random */
            invokevirtual java.security.SecureRandom.getSecureRandomSpi:()Ljava/security/SecureRandomSpi;
            putfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
        10: .line 274
            aload 0 /* this */
            aload 4 /* random */
            invokevirtual java.security.SecureRandom.getProvider:()Ljava/security/Provider;
            putfield java.security.SecureRandom.provider:Ljava/security/Provider;
        11: .line 275
            iload 1 /* setSeed */
            ifeq 16
        12: .line 276
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            aload 2 /* seed */
            invokevirtual java.security.SecureRandomSpi.engineSetSeed:([B)V
        end local 4 // java.security.SecureRandom random
        13: .line 278
            goto 16
      StackMap locals:
      StackMap stack: java.security.NoSuchAlgorithmException
        14: astore 4 /* nsae */
        start local 4 // java.security.NoSuchAlgorithmException nsae
        15: .line 280
            new java.lang.RuntimeException
            dup
            aload 4 /* nsae */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 4 // java.security.NoSuchAlgorithmException nsae
        16: .line 288
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            ldc Ljava/security/SecureRandom;
            if_acmpne 18
        17: .line 289
            aload 0 /* this */
            aload 3 /* prng */
            putfield java.security.SecureRandom.algorithm:Ljava/lang/String;
        18: .line 291
      StackMap locals:
      StackMap stack:
            return
        end local 3 // java.lang.String prng
        end local 2 // byte[] seed
        end local 1 // boolean setSeed
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   19     0     this  Ljava/security/SecureRandom;
            0   19     1  setSeed  Z
            0   19     2     seed  [B
            1   19     3     prng  Ljava/lang/String;
            9   13     4   random  Ljava/security/SecureRandom;
           15   16     4     nsae  Ljava/security/NoSuchAlgorithmException;
      Exception table:
        from    to  target  type
           8    13      14  Class java.security.NoSuchAlgorithmException
    MethodParameters:
         Name  Flags
      setSeed  
      seed     

  protected void <init>(java.security.SecureRandomSpi, java.security.Provider);
    descriptor: (Ljava/security/SecureRandomSpi;Ljava/security/Provider;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // java.security.SecureRandom this
        start local 1 // java.security.SecureRandomSpi secureRandomSpi
        start local 2 // java.security.Provider provider
         0: .line 301
            aload 0 /* this */
            aload 1 /* secureRandomSpi */
            aload 2 /* provider */
            aconst_null
            invokespecial java.security.SecureRandom.<init>:(Ljava/security/SecureRandomSpi;Ljava/security/Provider;Ljava/lang/String;)V
         1: .line 302
            return
        end local 2 // java.security.Provider provider
        end local 1 // java.security.SecureRandomSpi secureRandomSpi
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    2     0             this  Ljava/security/SecureRandom;
            0    2     1  secureRandomSpi  Ljava/security/SecureRandomSpi;
            0    2     2         provider  Ljava/security/Provider;
    MethodParameters:
                 Name  Flags
      secureRandomSpi  
      provider         

  private void <init>(java.security.SecureRandomSpi, java.security.Provider, java.lang.String);
    descriptor: (Ljava/security/SecureRandomSpi;Ljava/security/Provider;Ljava/lang/String;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // java.security.SecureRandom this
        start local 1 // java.security.SecureRandomSpi secureRandomSpi
        start local 2 // java.security.Provider provider
        start local 3 // java.lang.String algorithm
         0: .line 306
            aload 0 /* this */
            lconst_0
            invokespecial java.util.Random.<init>:(J)V
         1: .line 162
            aload 0 /* this */
            aconst_null
            putfield java.security.SecureRandom.provider:Ljava/security/Provider;
         2: .line 170
            aload 0 /* this */
            aconst_null
            putfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
         3: .line 1037
            aload 0 /* this */
            aconst_null
            putfield java.security.SecureRandom.digest:Ljava/security/MessageDigest;
         4: .line 307
            aload 0 /* this */
            aload 1 /* secureRandomSpi */
            putfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
         5: .line 308
            aload 0 /* this */
            aload 2 /* provider */
            putfield java.security.SecureRandom.provider:Ljava/security/Provider;
         6: .line 309
            aload 0 /* this */
            aload 3 /* algorithm */
            putfield java.security.SecureRandom.algorithm:Ljava/lang/String;
         7: .line 310
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual java.security.SecureRandom.getThreadSafe:()Z
            putfield java.security.SecureRandom.threadSafe:Z
         8: .line 312
            getstatic java.security.SecureRandom.skipDebug:Z
            ifne 12
            getstatic java.security.SecureRandom.pdebug:Lsun/security/util/Debug;
            ifnull 12
         9: .line 313
            getstatic java.security.SecureRandom.pdebug:Lsun/security/util/Debug;
            new java.lang.StringBuilder
            dup
            ldc "SecureRandom."
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* algorithm */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        10: .line 314
            ldc " algorithm from: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            invokevirtual java.security.SecureRandom.getProviderName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        11: .line 313
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
        12: .line 316
      StackMap locals: java.security.SecureRandom java.security.SecureRandomSpi java.security.Provider java.lang.String
      StackMap stack:
            return
        end local 3 // java.lang.String algorithm
        end local 2 // java.security.Provider provider
        end local 1 // java.security.SecureRandomSpi secureRandomSpi
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   13     0             this  Ljava/security/SecureRandom;
            0   13     1  secureRandomSpi  Ljava/security/SecureRandomSpi;
            0   13     2         provider  Ljava/security/Provider;
            0   13     3        algorithm  Ljava/lang/String;
    MethodParameters:
                 Name  Flags
      secureRandomSpi  
      provider         
      algorithm        

  private java.lang.String getProviderName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.security.SecureRandom this
         0: .line 319
            aload 0 /* this */
            getfield java.security.SecureRandom.provider:Ljava/security/Provider;
            ifnonnull 1
            ldc "(no provider)"
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* this */
            getfield java.security.SecureRandom.provider:Ljava/security/Provider;
            invokevirtual java.security.Provider.getName:()Ljava/lang/String;
      StackMap locals:
      StackMap stack: java.lang.String
         2: areturn
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/security/SecureRandom;

  public static java.security.SecureRandom getInstance(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/security/SecureRandom;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.lang.String algorithm
         0: .line 363
            aload 0 /* algorithm */
            ldc "null algorithm name"
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         1: .line 364
            ldc "SecureRandom"
         2: .line 365
            ldc Ljava/security/SecureRandomSpi;
            aload 0 /* algorithm */
         3: .line 364
            invokestatic sun.security.jca.GetInstance.getInstance:(Ljava/lang/String;Ljava/lang/Class;Ljava/lang/String;)Lsun/security/jca/GetInstance$Instance;
            astore 1 /* instance */
        start local 1 // sun.security.jca.GetInstance$Instance instance
         4: .line 366
            new java.security.SecureRandom
            dup
            aload 1 /* instance */
            getfield sun.security.jca.GetInstance$Instance.impl:Ljava/lang/Object;
            checkcast java.security.SecureRandomSpi
         5: .line 367
            aload 1 /* instance */
            getfield sun.security.jca.GetInstance$Instance.provider:Ljava/security/Provider;
            aload 0 /* algorithm */
         6: .line 366
            invokespecial java.security.SecureRandom.<init>:(Ljava/security/SecureRandomSpi;Ljava/security/Provider;Ljava/lang/String;)V
            areturn
        end local 1 // sun.security.jca.GetInstance$Instance instance
        end local 0 // java.lang.String algorithm
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    7     0  algorithm  Ljava/lang/String;
            4    7     1   instance  Lsun/security/jca/GetInstance$Instance;
    Exceptions:
      throws java.security.NoSuchAlgorithmException
    MethodParameters:
           Name  Flags
      algorithm  

  public static java.security.SecureRandom getInstance(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)Ljava/security/SecureRandom;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // java.lang.String algorithm
        start local 1 // java.lang.String provider
         0: .line 410
            aload 0 /* algorithm */
            ldc "null algorithm name"
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         1: .line 411
            ldc "SecureRandom"
         2: .line 412
            ldc Ljava/security/SecureRandomSpi;
            aload 0 /* algorithm */
            aload 1 /* provider */
         3: .line 411
            invokestatic sun.security.jca.GetInstance.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
         4: .line 413
            new java.security.SecureRandom
            dup
            aload 2 /* instance */
            getfield sun.security.jca.GetInstance$Instance.impl:Ljava/lang/Object;
            checkcast java.security.SecureRandomSpi
         5: .line 414
            aload 2 /* instance */
            getfield sun.security.jca.GetInstance$Instance.provider:Ljava/security/Provider;
            aload 0 /* algorithm */
         6: .line 413
            invokespecial java.security.SecureRandom.<init>:(Ljava/security/SecureRandomSpi;Ljava/security/Provider;Ljava/lang/String;)V
            areturn
        end local 2 // sun.security.jca.GetInstance$Instance instance
        end local 1 // java.lang.String provider
        end local 0 // java.lang.String algorithm
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    7     0  algorithm  Ljava/lang/String;
            0    7     1   provider  Ljava/lang/String;
            4    7     2   instance  Lsun/security/jca/GetInstance$Instance;
    Exceptions:
      throws java.security.NoSuchAlgorithmException, java.security.NoSuchProviderException
    MethodParameters:
           Name  Flags
      algorithm  
      provider   

  public static java.security.SecureRandom getInstance(java.lang.String, java.security.Provider);
    descriptor: (Ljava/lang/String;Ljava/security/Provider;)Ljava/security/SecureRandom;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // java.lang.String algorithm
        start local 1 // java.security.Provider provider
         0: .line 451
            aload 0 /* algorithm */
            ldc "null algorithm name"
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         1: .line 452
            ldc "SecureRandom"
         2: .line 453
            ldc Ljava/security/SecureRandomSpi;
            aload 0 /* algorithm */
            aload 1 /* provider */
         3: .line 452
            invokestatic sun.security.jca.GetInstance.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
         4: .line 454
            new java.security.SecureRandom
            dup
            aload 2 /* instance */
            getfield sun.security.jca.GetInstance$Instance.impl:Ljava/lang/Object;
            checkcast java.security.SecureRandomSpi
         5: .line 455
            aload 2 /* instance */
            getfield sun.security.jca.GetInstance$Instance.provider:Ljava/security/Provider;
            aload 0 /* algorithm */
         6: .line 454
            invokespecial java.security.SecureRandom.<init>:(Ljava/security/SecureRandomSpi;Ljava/security/Provider;Ljava/lang/String;)V
            areturn
        end local 2 // sun.security.jca.GetInstance$Instance instance
        end local 1 // java.security.Provider provider
        end local 0 // java.lang.String algorithm
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    7     0  algorithm  Ljava/lang/String;
            0    7     1   provider  Ljava/security/Provider;
            4    7     2   instance  Lsun/security/jca/GetInstance$Instance;
    Exceptions:
      throws java.security.NoSuchAlgorithmException
    MethodParameters:
           Name  Flags
      algorithm  
      provider   

  public static java.security.SecureRandom getInstance(java.lang.String, java.security.SecureRandomParameters);
    descriptor: (Ljava/lang/String;Ljava/security/SecureRandomParameters;)Ljava/security/SecureRandom;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // java.lang.String algorithm
        start local 1 // java.security.SecureRandomParameters params
         0: .line 507
            aload 0 /* algorithm */
            ldc "null algorithm name"
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         1: .line 508
            aload 1 /* params */
            ifnonnull 3
         2: .line 509
            new java.lang.IllegalArgumentException
            dup
            ldc "params cannot be null"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 511
      StackMap locals:
      StackMap stack:
            ldc "SecureRandom"
         4: .line 512
            ldc Ljava/security/SecureRandomSpi;
            aload 0 /* algorithm */
            aload 1 /* params */
         5: .line 511
            invokestatic sun.security.jca.GetInstance.getInstance:(Ljava/lang/String;Ljava/lang/Class;Ljava/lang/String;Ljava/lang/Object;)Lsun/security/jca/GetInstance$Instance;
            astore 2 /* instance */
        start local 2 // sun.security.jca.GetInstance$Instance instance
         6: .line 513
            new java.security.SecureRandom
            dup
            aload 2 /* instance */
            getfield sun.security.jca.GetInstance$Instance.impl:Ljava/lang/Object;
            checkcast java.security.SecureRandomSpi
         7: .line 514
            aload 2 /* instance */
            getfield sun.security.jca.GetInstance$Instance.provider:Ljava/security/Provider;
            aload 0 /* algorithm */
         8: .line 513
            invokespecial java.security.SecureRandom.<init>:(Ljava/security/SecureRandomSpi;Ljava/security/Provider;Ljava/lang/String;)V
            areturn
        end local 2 // sun.security.jca.GetInstance$Instance instance
        end local 1 // java.security.SecureRandomParameters params
        end local 0 // java.lang.String algorithm
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    9     0  algorithm  Ljava/lang/String;
            0    9     1     params  Ljava/security/SecureRandomParameters;
            6    9     2   instance  Lsun/security/jca/GetInstance$Instance;
    Exceptions:
      throws java.security.NoSuchAlgorithmException
    MethodParameters:
           Name  Flags
      algorithm  
      params     

  public static java.security.SecureRandom getInstance(java.lang.String, java.security.SecureRandomParameters, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/security/SecureRandomParameters;Ljava/lang/String;)Ljava/security/SecureRandom;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // java.lang.String algorithm
        start local 1 // java.security.SecureRandomParameters params
        start local 2 // java.lang.String provider
         0: .line 562
            aload 0 /* algorithm */
            ldc "null algorithm name"
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         1: .line 563
            aload 1 /* params */
            ifnonnull 3
         2: .line 564
            new java.lang.IllegalArgumentException
            dup
            ldc "params cannot be null"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 566
      StackMap locals:
      StackMap stack:
            ldc "SecureRandom"
         4: .line 567
            ldc Ljava/security/SecureRandomSpi;
            aload 0 /* algorithm */
            aload 1 /* params */
            aload 2 /* provider */
         5: .line 566
            invokestatic sun.security.jca.GetInstance.getInstance:(Ljava/lang/String;Ljava/lang/Class;Ljava/lang/String;Ljava/lang/Object;Ljava/lang/String;)Lsun/security/jca/GetInstance$Instance;
            astore 3 /* instance */
        start local 3 // sun.security.jca.GetInstance$Instance instance
         6: .line 568
            new java.security.SecureRandom
            dup
            aload 3 /* instance */
            getfield sun.security.jca.GetInstance$Instance.impl:Ljava/lang/Object;
            checkcast java.security.SecureRandomSpi
         7: .line 569
            aload 3 /* instance */
            getfield sun.security.jca.GetInstance$Instance.provider:Ljava/security/Provider;
            aload 0 /* algorithm */
         8: .line 568
            invokespecial java.security.SecureRandom.<init>:(Ljava/security/SecureRandomSpi;Ljava/security/Provider;Ljava/lang/String;)V
            areturn
        end local 3 // sun.security.jca.GetInstance$Instance instance
        end local 2 // java.lang.String provider
        end local 1 // java.security.SecureRandomParameters params
        end local 0 // java.lang.String algorithm
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    9     0  algorithm  Ljava/lang/String;
            0    9     1     params  Ljava/security/SecureRandomParameters;
            0    9     2   provider  Ljava/lang/String;
            6    9     3   instance  Lsun/security/jca/GetInstance$Instance;
    Exceptions:
      throws java.security.NoSuchAlgorithmException, java.security.NoSuchProviderException
    MethodParameters:
           Name  Flags
      algorithm  
      params     
      provider   

  public static java.security.SecureRandom getInstance(java.lang.String, java.security.SecureRandomParameters, java.security.Provider);
    descriptor: (Ljava/lang/String;Ljava/security/SecureRandomParameters;Ljava/security/Provider;)Ljava/security/SecureRandom;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // java.lang.String algorithm
        start local 1 // java.security.SecureRandomParameters params
        start local 2 // java.security.Provider provider
         0: .line 612
            aload 0 /* algorithm */
            ldc "null algorithm name"
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         1: .line 613
            aload 1 /* params */
            ifnonnull 3
         2: .line 614
            new java.lang.IllegalArgumentException
            dup
            ldc "params cannot be null"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 616
      StackMap locals:
      StackMap stack:
            ldc "SecureRandom"
         4: .line 617
            ldc Ljava/security/SecureRandomSpi;
            aload 0 /* algorithm */
            aload 1 /* params */
            aload 2 /* provider */
         5: .line 616
            invokestatic sun.security.jca.GetInstance.getInstance:(Ljava/lang/String;Ljava/lang/Class;Ljava/lang/String;Ljava/lang/Object;Ljava/security/Provider;)Lsun/security/jca/GetInstance$Instance;
            astore 3 /* instance */
        start local 3 // sun.security.jca.GetInstance$Instance instance
         6: .line 618
            new java.security.SecureRandom
            dup
            aload 3 /* instance */
            getfield sun.security.jca.GetInstance$Instance.impl:Ljava/lang/Object;
            checkcast java.security.SecureRandomSpi
         7: .line 619
            aload 3 /* instance */
            getfield sun.security.jca.GetInstance$Instance.provider:Ljava/security/Provider;
            aload 0 /* algorithm */
         8: .line 618
            invokespecial java.security.SecureRandom.<init>:(Ljava/security/SecureRandomSpi;Ljava/security/Provider;Ljava/lang/String;)V
            areturn
        end local 3 // sun.security.jca.GetInstance$Instance instance
        end local 2 // java.security.Provider provider
        end local 1 // java.security.SecureRandomParameters params
        end local 0 // java.lang.String algorithm
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    9     0  algorithm  Ljava/lang/String;
            0    9     1     params  Ljava/security/SecureRandomParameters;
            0    9     2   provider  Ljava/security/Provider;
            6    9     3   instance  Lsun/security/jca/GetInstance$Instance;
    Exceptions:
      throws java.security.NoSuchAlgorithmException
    MethodParameters:
           Name  Flags
      algorithm  
      params     
      provider   

  java.security.SecureRandomSpi getSecureRandomSpi();
    descriptor: ()Ljava/security/SecureRandomSpi;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.security.SecureRandom this
         0: .line 626
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            areturn
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/security/SecureRandom;

  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 // java.security.SecureRandom this
         0: .line 635
            aload 0 /* this */
            getfield java.security.SecureRandom.provider:Ljava/security/Provider;
            areturn
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/security/SecureRandom;

  public java.lang.String getAlgorithm();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.security.SecureRandom this
         0: .line 647
            aload 0 /* this */
            getfield java.security.SecureRandom.algorithm:Ljava/lang/String;
            ldc "unknown"
            invokestatic java.util.Objects.toString:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;
            areturn
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/security/SecureRandom;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.security.SecureRandom this
         0: .line 658
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            invokevirtual java.security.SecureRandomSpi.toString:()Ljava/lang/String;
            areturn
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/security/SecureRandom;

  public java.security.SecureRandomParameters getParameters();
    descriptor: ()Ljava/security/SecureRandomParameters;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.security.SecureRandom this
         0: .line 680
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            invokevirtual java.security.SecureRandomSpi.engineGetParameters:()Ljava/security/SecureRandomParameters;
            areturn
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/security/SecureRandom;

  public void setSeed(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.security.SecureRandom this
        start local 1 // byte[] seed
         0: .line 698
            aload 0 /* this */
            getfield java.security.SecureRandom.threadSafe:Z
            ifeq 3
         1: .line 699
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            aload 1 /* seed */
            invokevirtual java.security.SecureRandomSpi.engineSetSeed:([B)V
         2: .line 700
            goto 9
         3: .line 701
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            astore 2
            monitorenter
         4: .line 702
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            aload 1 /* seed */
            invokevirtual java.security.SecureRandomSpi.engineSetSeed:([B)V
         5: .line 701
            aload 2
            monitorexit
         6: goto 9
      StackMap locals: java.security.SecureRandom byte[] java.security.SecureRandom
      StackMap stack: java.lang.Throwable
         7: aload 2
            monitorexit
         8: athrow
         9: .line 705
      StackMap locals:
      StackMap stack:
            return
        end local 1 // byte[] seed
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Ljava/security/SecureRandom;
            0   10     1  seed  [B
      Exception table:
        from    to  target  type
           4     6       7  any
           7     8       7  any
    MethodParameters:
      Name  Flags
      seed  

  public void setSeed(long);
    descriptor: (J)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // java.security.SecureRandom this
        start local 1 // long seed
         0: .line 728
            lload 1 /* seed */
            lconst_0
            lcmp
            ifeq 2
         1: .line 729
            aload 0 /* this */
            lload 1 /* seed */
            invokestatic java.security.SecureRandom.longToByteArray:(J)[B
            invokevirtual java.security.SecureRandom.setSeed:([B)V
         2: .line 731
      StackMap locals:
      StackMap stack:
            return
        end local 1 // long seed
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/security/SecureRandom;
            0    3     1  seed  J
    MethodParameters:
      Name  Flags
      seed  

  public void nextBytes(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.security.SecureRandom this
        start local 1 // byte[] bytes
         0: .line 740
            aload 0 /* this */
            getfield java.security.SecureRandom.threadSafe:Z
            ifeq 3
         1: .line 741
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            aload 1 /* bytes */
            invokevirtual java.security.SecureRandomSpi.engineNextBytes:([B)V
         2: .line 742
            goto 9
         3: .line 743
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            astore 2
            monitorenter
         4: .line 744
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            aload 1 /* bytes */
            invokevirtual java.security.SecureRandomSpi.engineNextBytes:([B)V
         5: .line 743
            aload 2
            monitorexit
         6: goto 9
      StackMap locals: java.security.SecureRandom byte[] java.security.SecureRandom
      StackMap stack: java.lang.Throwable
         7: aload 2
            monitorexit
         8: athrow
         9: .line 747
      StackMap locals:
      StackMap stack:
            return
        end local 1 // byte[] bytes
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   10     0   this  Ljava/security/SecureRandom;
            0   10     1  bytes  [B
      Exception table:
        from    to  target  type
           4     6       7  any
           7     8       7  any
    MethodParameters:
       Name  Flags
      bytes  

  public void nextBytes(byte[], java.security.SecureRandomParameters);
    descriptor: ([BLjava/security/SecureRandomParameters;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.security.SecureRandom this
        start local 1 // byte[] bytes
        start local 2 // java.security.SecureRandomParameters params
         0: .line 764
            aload 2 /* params */
            ifnonnull 2
         1: .line 765
            new java.lang.IllegalArgumentException
            dup
            ldc "params cannot be null"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 767
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.security.SecureRandom.threadSafe:Z
            ifeq 7
         3: .line 768
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
         4: .line 769
            aload 1 /* bytes */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast byte[]
            aload 2 /* params */
         5: .line 768
            invokevirtual java.security.SecureRandomSpi.engineNextBytes:([BLjava/security/SecureRandomParameters;)V
         6: .line 770
            goto 15
         7: .line 771
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            astore 3
            monitorenter
         8: .line 772
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
         9: .line 773
            aload 1 /* bytes */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast byte[]
            aload 2 /* params */
        10: .line 772
            invokevirtual java.security.SecureRandomSpi.engineNextBytes:([BLjava/security/SecureRandomParameters;)V
        11: .line 771
            aload 3
            monitorexit
        12: goto 15
      StackMap locals: java.security.SecureRandom byte[] java.security.SecureRandomParameters java.security.SecureRandom
      StackMap stack: java.lang.Throwable
        13: aload 3
            monitorexit
        14: athrow
        15: .line 776
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.security.SecureRandomParameters params
        end local 1 // byte[] bytes
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   16     0    this  Ljava/security/SecureRandom;
            0   16     1   bytes  [B
            0   16     2  params  Ljava/security/SecureRandomParameters;
      Exception table:
        from    to  target  type
           8    12      13  any
          13    14      13  any
    MethodParameters:
        Name  Flags
      bytes   
      params  

  protected final int next(int);
    descriptor: (I)I
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Code:
      stack=3, locals=6, args_size=2
        start local 0 // java.security.SecureRandom this
        start local 1 // int numBits
         0: .line 794
            iload 1 /* numBits */
            bipush 7
            iadd
            bipush 8
            idiv
            istore 2 /* numBytes */
        start local 2 // int numBytes
         1: .line 795
            iload 2 /* numBytes */
            newarray 8
            astore 3 /* b */
        start local 3 // byte[] b
         2: .line 796
            iconst_0
            istore 4 /* next */
        start local 4 // int next
         3: .line 798
            aload 0 /* this */
            aload 3 /* b */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
         4: .line 799
            iconst_0
            istore 5 /* i */
        start local 5 // int i
         5: goto 8
         6: .line 800
      StackMap locals: java.security.SecureRandom int int byte[] int int
      StackMap stack:
            iload 4 /* next */
            bipush 8
            ishl
            aload 3 /* b */
            iload 5 /* i */
            baload
            sipush 255
            iand
            iadd
            istore 4 /* next */
         7: .line 799
            iinc 5 /* i */ 1
      StackMap locals:
      StackMap stack:
         8: iload 5 /* i */
            iload 2 /* numBytes */
            if_icmplt 6
        end local 5 // int i
         9: .line 803
            iload 4 /* next */
            iload 2 /* numBytes */
            bipush 8
            imul
            iload 1 /* numBits */
            isub
            iushr
            ireturn
        end local 4 // int next
        end local 3 // byte[] b
        end local 2 // int numBytes
        end local 1 // int numBits
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   10     0      this  Ljava/security/SecureRandom;
            0   10     1   numBits  I
            1   10     2  numBytes  I
            2   10     3         b  [B
            3   10     4      next  I
            5    9     5         i  I
    MethodParameters:
         Name  Flags
      numBits  

  public static byte[] getSeed(int);
    descriptor: (I)[B
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // int numBytes
         0: .line 825
            getstatic java.security.SecureRandom.seedGenerator:Ljava/security/SecureRandom;
            astore 1 /* seedGen */
        start local 1 // java.security.SecureRandom seedGen
         1: .line 826
            aload 1 /* seedGen */
            ifnonnull 4
         2: .line 827
            new java.security.SecureRandom
            dup
            invokespecial java.security.SecureRandom.<init>:()V
            astore 1 /* seedGen */
         3: .line 828
            aload 1 /* seedGen */
            putstatic java.security.SecureRandom.seedGenerator:Ljava/security/SecureRandom;
         4: .line 830
      StackMap locals: java.security.SecureRandom
      StackMap stack:
            aload 1 /* seedGen */
            iload 0 /* numBytes */
            invokevirtual java.security.SecureRandom.generateSeed:(I)[B
            areturn
        end local 1 // java.security.SecureRandom seedGen
        end local 0 // int numBytes
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0  numBytes  I
            1    5     1   seedGen  Ljava/security/SecureRandom;
    MethodParameters:
          Name  Flags
      numBytes  

  public byte[] generateSeed(int);
    descriptor: (I)[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // java.security.SecureRandom this
        start local 1 // int numBytes
         0: .line 843
            iload 1 /* numBytes */
            ifge 2
         1: .line 844
            new java.lang.IllegalArgumentException
            dup
            ldc "numBytes cannot be negative"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 846
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.security.SecureRandom.threadSafe:Z
            ifeq 4
         3: .line 847
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            iload 1 /* numBytes */
            invokevirtual java.security.SecureRandomSpi.engineGenerateSeed:(I)[B
            areturn
         4: .line 849
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            astore 2
            monitorenter
         5: .line 850
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            iload 1 /* numBytes */
            invokevirtual java.security.SecureRandomSpi.engineGenerateSeed:(I)[B
            aload 2
            monitorexit
         6: areturn
         7: .line 849
      StackMap locals: java.security.SecureRandom int java.security.SecureRandom
      StackMap stack: java.lang.Throwable
            aload 2
            monitorexit
         8: athrow
        end local 1 // int numBytes
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    9     0      this  Ljava/security/SecureRandom;
            0    9     1  numBytes  I
      Exception table:
        from    to  target  type
           5     6       7  any
           7     8       7  any
    MethodParameters:
          Name  Flags
      numBytes  

  private static byte[] longToByteArray(long);
    descriptor: (J)[B
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=4, args_size=1
        start local 0 // long l
         0: .line 860
            bipush 8
            newarray 8
            astore 2 /* retVal */
        start local 2 // byte[] retVal
         1: .line 862
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         2: goto 6
         3: .line 863
      StackMap locals: byte[] int
      StackMap stack:
            aload 2 /* retVal */
            iload 3 /* i */
            lload 0 /* l */
            l2i
            i2b
            bastore
         4: .line 864
            lload 0 /* l */
            bipush 8
            lshr
            lstore 0 /* l */
         5: .line 862
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         6: iload 3 /* i */
            bipush 8
            if_icmplt 3
        end local 3 // int i
         7: .line 867
            aload 2 /* retVal */
            areturn
        end local 2 // byte[] retVal
        end local 0 // long l
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0       l  J
            1    8     2  retVal  [B
            2    7     3       i  I
    MethodParameters:
      Name  Flags
      l     

  private static java.lang.String getPrngAlgorithm();
    descriptor: ()Ljava/lang/String;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=4, args_size=0
         0: .line 877
            invokestatic sun.security.jca.Providers.getProviderList:()Lsun/security/jca/ProviderList;
            invokevirtual sun.security.jca.ProviderList.providers:()Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 1
            goto 7
      StackMap locals: top java.util.Iterator
      StackMap stack:
         1: aload 1
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.security.Provider
            astore 0 /* p */
        start local 0 // java.security.Provider p
         2: .line 878
            aload 0 /* p */
            invokevirtual java.security.Provider.getServices:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 3
            goto 6
      StackMap locals: java.security.Provider java.util.Iterator top java.util.Iterator
      StackMap stack:
         3: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.security.Provider$Service
            astore 2 /* s */
        start local 2 // java.security.Provider$Service s
         4: .line 879
            aload 2 /* s */
            invokevirtual java.security.Provider$Service.getType:()Ljava/lang/String;
            ldc "SecureRandom"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 6
         5: .line 880
            aload 2 /* s */
            invokevirtual java.security.Provider$Service.getAlgorithm:()Ljava/lang/String;
            areturn
        end local 2 // java.security.Provider$Service s
         6: .line 878
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
        end local 0 // java.security.Provider p
         7: .line 877
      StackMap locals: top java.util.Iterator
      StackMap stack:
            aload 1
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
         8: .line 884
            aconst_null
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            2    7     0     p  Ljava/security/Provider;
            4    6     2     s  Ljava/security/Provider$Service;

  public static java.security.SecureRandom getInstanceStrong();
    descriptor: ()Ljava/security/SecureRandom;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=5, args_size=0
         0: .line 937
            new java.security.SecureRandom$1
            dup
            invokespecial java.security.SecureRandom$1.<init>:()V
         1: .line 936
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            checkcast java.lang.String
            astore 0 /* property */
        start local 0 // java.lang.String property
         2: .line 945
            aload 0 /* property */
            ifnull 3
            aload 0 /* property */
            invokevirtual java.lang.String.length:()I
            ifne 6
         3: .line 946
      StackMap locals: java.lang.String
      StackMap stack:
            new java.security.NoSuchAlgorithmException
            dup
         4: .line 947
            ldc "Null/empty securerandom.strongAlgorithms Security Property"
         5: .line 946
            invokespecial java.security.NoSuchAlgorithmException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 950
      StackMap locals:
      StackMap stack:
            aload 0 /* property */
            astore 1 /* remainder */
        start local 1 // java.lang.String remainder
         7: .line 951
            goto 23
         8: .line 953
      StackMap locals: java.lang.String
      StackMap stack:
            getstatic java.security.SecureRandom$StrongPatternHolder.pattern:Ljava/util/regex/Pattern;
         9: .line 954
            aload 1 /* remainder */
        10: .line 953
            invokevirtual java.util.regex.Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            dup
            astore 2 /* m */
        start local 2 // java.util.regex.Matcher m
        11: .line 954
            invokevirtual java.util.regex.Matcher.matches:()Z
            ifeq 22
        12: .line 956
            aload 2 /* m */
            iconst_1
            invokevirtual java.util.regex.Matcher.group:(I)Ljava/lang/String;
            astore 3 /* alg */
        start local 3 // java.lang.String alg
        13: .line 957
            aload 2 /* m */
            iconst_3
            invokevirtual java.util.regex.Matcher.group:(I)Ljava/lang/String;
            astore 4 /* prov */
        start local 4 // java.lang.String prov
        14: .line 960
            aload 4 /* prov */
            ifnonnull 17
        15: .line 961
            aload 3 /* alg */
            invokestatic java.security.SecureRandom.getInstance:(Ljava/lang/String;)Ljava/security/SecureRandom;
        16: areturn
        17: .line 963
      StackMap locals: java.util.regex.Matcher java.lang.String java.lang.String
      StackMap stack:
            aload 3 /* alg */
            aload 4 /* prov */
            invokestatic java.security.SecureRandom.getInstance:(Ljava/lang/String;Ljava/lang/String;)Ljava/security/SecureRandom;
        18: areturn
        19: .line 966
      StackMap locals:
      StackMap stack: java.security.GeneralSecurityException
            pop
        20: .line 968
            aload 2 /* m */
            iconst_5
            invokevirtual java.util.regex.Matcher.group:(I)Ljava/lang/String;
            astore 1 /* remainder */
        end local 4 // java.lang.String prov
        end local 3 // java.lang.String alg
        21: .line 969
            goto 23
        22: .line 970
      StackMap locals:
      StackMap stack:
            aconst_null
            astore 1 /* remainder */
        end local 2 // java.util.regex.Matcher m
        23: .line 951
      StackMap locals:
      StackMap stack:
            aload 1 /* remainder */
            ifnonnull 8
        24: .line 974
            new java.security.NoSuchAlgorithmException
            dup
        25: .line 975
            new java.lang.StringBuilder
            dup
            ldc "No strong SecureRandom impls available: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* property */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        26: .line 974
            invokespecial java.security.NoSuchAlgorithmException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.lang.String remainder
        end local 0 // java.lang.String property
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            2   27     0   property  Ljava/lang/String;
            7   27     1  remainder  Ljava/lang/String;
           11   23     2          m  Ljava/util/regex/Matcher;
           13   21     3        alg  Ljava/lang/String;
           14   21     4       prov  Ljava/lang/String;
      Exception table:
        from    to  target  type
          14    16      19  Class java.security.NoSuchAlgorithmException
          17    18      19  Class java.security.NoSuchAlgorithmException
          14    16      19  Class java.security.NoSuchProviderException
          17    18      19  Class java.security.NoSuchProviderException
    Exceptions:
      throws java.security.NoSuchAlgorithmException

  public void reseed();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.security.SecureRandom this
         0: .line 988
            aload 0 /* this */
            getfield java.security.SecureRandom.threadSafe:Z
            ifeq 3
         1: .line 989
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            aconst_null
            invokevirtual java.security.SecureRandomSpi.engineReseed:(Ljava/security/SecureRandomParameters;)V
         2: .line 990
            goto 9
         3: .line 991
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            astore 1
            monitorenter
         4: .line 992
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            aconst_null
            invokevirtual java.security.SecureRandomSpi.engineReseed:(Ljava/security/SecureRandomParameters;)V
         5: .line 991
            aload 1
            monitorexit
         6: goto 9
      StackMap locals: java.security.SecureRandom java.security.SecureRandom
      StackMap stack: java.lang.Throwable
         7: aload 1
            monitorexit
         8: athrow
         9: .line 995
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Ljava/security/SecureRandom;
      Exception table:
        from    to  target  type
           4     6       7  any
           7     8       7  any

  public void reseed(java.security.SecureRandomParameters);
    descriptor: (Ljava/security/SecureRandomParameters;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // java.security.SecureRandom this
        start local 1 // java.security.SecureRandomParameters params
         0: .line 1014
            aload 1 /* params */
            ifnonnull 2
         1: .line 1015
            new java.lang.IllegalArgumentException
            dup
            ldc "params cannot be null"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 1017
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.security.SecureRandom.threadSafe:Z
            ifeq 5
         3: .line 1018
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            aload 1 /* params */
            invokevirtual java.security.SecureRandomSpi.engineReseed:(Ljava/security/SecureRandomParameters;)V
         4: .line 1019
            goto 11
         5: .line 1020
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            astore 2
            monitorenter
         6: .line 1021
            aload 0 /* this */
            getfield java.security.SecureRandom.secureRandomSpi:Ljava/security/SecureRandomSpi;
            aload 1 /* params */
            invokevirtual java.security.SecureRandomSpi.engineReseed:(Ljava/security/SecureRandomParameters;)V
         7: .line 1020
            aload 2
            monitorexit
         8: goto 11
      StackMap locals: java.security.SecureRandom java.security.SecureRandomParameters java.security.SecureRandom
      StackMap stack: java.lang.Throwable
         9: aload 2
            monitorexit
        10: athrow
        11: .line 1024
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.security.SecureRandomParameters params
        end local 0 // java.security.SecureRandom this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   12     0    this  Ljava/security/SecureRandom;
            0   12     1  params  Ljava/security/SecureRandomParameters;
      Exception table:
        from    to  target  type
           6     8       9  any
           9    10       9  any
    MethodParameters:
        Name  Flags
      params  
}
SourceFile: "SecureRandom.java"
NestMembers:
  java.security.SecureRandom$1  java.security.SecureRandom$StrongPatternHolder
InnerClasses:
  public Service = java.security.Provider$Service of java.security.Provider
  java.security.SecureRandom$1
  private final StrongPatternHolder = java.security.SecureRandom$StrongPatternHolder of java.security.SecureRandom
  public final Instance = sun.security.jca.GetInstance$Instance of sun.security.jca.GetInstance
/

java/ 9/ java.base/java/security/SecureRandom.class
