final class com.sun.crypto.provider.KeyGeneratorCore
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.sun.crypto.provider.KeyGeneratorCore
  super_class: java.lang.Object
{
  private final java.lang.String name;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int defaultKeySize;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

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

  void <init>(java.lang.String, int);
    descriptor: (Ljava/lang/String;I)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.sun.crypto.provider.KeyGeneratorCore this
        start local 1 // java.lang.String name
        start local 2 // int defaultKeySize
         0: .line 65
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 66
            aload 0 /* this */
            aload 1 /* name */
            putfield com.sun.crypto.provider.KeyGeneratorCore.name:Ljava/lang/String;
         2: .line 67
            aload 0 /* this */
            iload 2 /* defaultKeySize */
            putfield com.sun.crypto.provider.KeyGeneratorCore.defaultKeySize:I
         3: .line 68
            aload 0 /* this */
            aconst_null
            invokevirtual com.sun.crypto.provider.KeyGeneratorCore.implInit:(Ljava/security/SecureRandom;)V
         4: .line 69
            return
        end local 2 // int defaultKeySize
        end local 1 // java.lang.String name
        end local 0 // com.sun.crypto.provider.KeyGeneratorCore this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    5     0            this  Lcom/sun/crypto/provider/KeyGeneratorCore;
            0    5     1            name  Ljava/lang/String;
            0    5     2  defaultKeySize  I
    MethodParameters:
                Name  Flags
      name            
      defaultKeySize  

  void implInit(java.security.SecureRandom);
    descriptor: (Ljava/security/SecureRandom;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.sun.crypto.provider.KeyGeneratorCore this
        start local 1 // java.security.SecureRandom random
         0: .line 74
            aload 0 /* this */
            aload 0 /* this */
            getfield com.sun.crypto.provider.KeyGeneratorCore.defaultKeySize:I
            putfield com.sun.crypto.provider.KeyGeneratorCore.keySize:I
         1: .line 75
            aload 0 /* this */
            aload 1 /* random */
            putfield com.sun.crypto.provider.KeyGeneratorCore.random:Ljava/security/SecureRandom;
         2: .line 76
            return
        end local 1 // java.security.SecureRandom random
        end local 0 // com.sun.crypto.provider.KeyGeneratorCore this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lcom/sun/crypto/provider/KeyGeneratorCore;
            0    3     1  random  Ljava/security/SecureRandom;
    MethodParameters:
        Name  Flags
      random  

  void implInit(java.security.spec.AlgorithmParameterSpec, java.security.SecureRandom);
    descriptor: (Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    flags: (0x0000) 
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // com.sun.crypto.provider.KeyGeneratorCore this
        start local 1 // java.security.spec.AlgorithmParameterSpec params
        start local 2 // java.security.SecureRandom random
         0: .line 82
            new java.security.InvalidAlgorithmParameterException
            dup
         1: .line 83
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield com.sun.crypto.provider.KeyGeneratorCore.name:Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " key generation does not take any parameters"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         2: .line 82
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.security.SecureRandom random
        end local 1 // java.security.spec.AlgorithmParameterSpec params
        end local 0 // com.sun.crypto.provider.KeyGeneratorCore this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lcom/sun/crypto/provider/KeyGeneratorCore;
            0    3     1  params  Ljava/security/spec/AlgorithmParameterSpec;
            0    3     2  random  Ljava/security/SecureRandom;
    Exceptions:
      throws java.security.InvalidAlgorithmParameterException
    MethodParameters:
        Name  Flags
      params  
      random  

  void implInit(int, java.security.SecureRandom);
    descriptor: (ILjava/security/SecureRandom;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // com.sun.crypto.provider.KeyGeneratorCore this
        start local 1 // int keysize
        start local 2 // java.security.SecureRandom random
         0: .line 89
            iload 1 /* keysize */
            bipush 40
            if_icmpge 4
         1: .line 90
            new java.security.InvalidParameterException
            dup
         2: .line 91
            ldc "Key length must be at least 40 bits"
         3: .line 90
            invokespecial java.security.InvalidParameterException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 93
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 1 /* keysize */
            putfield com.sun.crypto.provider.KeyGeneratorCore.keySize:I
         5: .line 94
            aload 0 /* this */
            aload 2 /* random */
            putfield com.sun.crypto.provider.KeyGeneratorCore.random:Ljava/security/SecureRandom;
         6: .line 95
            return
        end local 2 // java.security.SecureRandom random
        end local 1 // int keysize
        end local 0 // com.sun.crypto.provider.KeyGeneratorCore this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    7     0     this  Lcom/sun/crypto/provider/KeyGeneratorCore;
            0    7     1  keysize  I
            0    7     2   random  Ljava/security/SecureRandom;
    MethodParameters:
         Name  Flags
      keysize  
      random   

  javax.crypto.SecretKey implGenerateKey();
    descriptor: ()Ljavax/crypto/SecretKey;
    flags: (0x0000) 
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // com.sun.crypto.provider.KeyGeneratorCore this
         0: .line 100
            aload 0 /* this */
            getfield com.sun.crypto.provider.KeyGeneratorCore.random:Ljava/security/SecureRandom;
            ifnonnull 2
         1: .line 101
            aload 0 /* this */
            invokestatic com.sun.crypto.provider.SunJCE.getRandom:()Ljava/security/SecureRandom;
            putfield com.sun.crypto.provider.KeyGeneratorCore.random:Ljava/security/SecureRandom;
         2: .line 103
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.sun.crypto.provider.KeyGeneratorCore.keySize:I
            bipush 7
            iadd
            iconst_3
            ishr
            newarray 8
            astore 1 /* b */
        start local 1 // byte[] b
         3: .line 104
            aload 0 /* this */
            getfield com.sun.crypto.provider.KeyGeneratorCore.random:Ljava/security/SecureRandom;
            aload 1 /* b */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
         4: .line 105
            new javax.crypto.spec.SecretKeySpec
            dup
            aload 1 /* b */
            aload 0 /* this */
            getfield com.sun.crypto.provider.KeyGeneratorCore.name:Ljava/lang/String;
            invokespecial javax.crypto.spec.SecretKeySpec.<init>:([BLjava/lang/String;)V
            areturn
        end local 1 // byte[] b
        end local 0 // com.sun.crypto.provider.KeyGeneratorCore this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lcom/sun/crypto/provider/KeyGeneratorCore;
            3    5     1     b  [B
}
SourceFile: "KeyGeneratorCore.java"
NestMembers:
  com.sun.crypto.provider.KeyGeneratorCore$ARCFOURKeyGenerator  com.sun.crypto.provider.KeyGeneratorCore$ChaCha20KeyGenerator  com.sun.crypto.provider.KeyGeneratorCore$HmacSHA2KG  com.sun.crypto.provider.KeyGeneratorCore$HmacSHA2KG$SHA224  com.sun.crypto.provider.KeyGeneratorCore$HmacSHA2KG$SHA256  com.sun.crypto.provider.KeyGeneratorCore$HmacSHA2KG$SHA384  com.sun.crypto.provider.KeyGeneratorCore$HmacSHA2KG$SHA512  com.sun.crypto.provider.KeyGeneratorCore$RC2KeyGenerator
InnerClasses:
  public final ARCFOURKeyGenerator = com.sun.crypto.provider.KeyGeneratorCore$ARCFOURKeyGenerator of com.sun.crypto.provider.KeyGeneratorCore
  public final ChaCha20KeyGenerator = com.sun.crypto.provider.KeyGeneratorCore$ChaCha20KeyGenerator of com.sun.crypto.provider.KeyGeneratorCore
  abstract HmacSHA2KG = com.sun.crypto.provider.KeyGeneratorCore$HmacSHA2KG of com.sun.crypto.provider.KeyGeneratorCore
  public final RC2KeyGenerator = com.sun.crypto.provider.KeyGeneratorCore$RC2KeyGenerator of com.sun.crypto.provider.KeyGeneratorCore