final class sun.security.ssl.SSLBasicKeyDerivation implements sun.security.ssl.SSLKeyDerivation
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: sun.security.ssl.SSLBasicKeyDerivation
  super_class: java.lang.Object
{
  private final java.lang.String hashAlg;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final javax.crypto.SecretKey secret;
    descriptor: Ljavax/crypto/SecretKey;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final byte[] hkdfInfo;
    descriptor: [B
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(javax.crypto.SecretKey, java.lang.String, byte[], byte[], int);
    descriptor: (Ljavax/crypto/SecretKey;Ljava/lang/String;[B[BI)V
    flags: (0x0000) 
    Code:
      stack=4, locals=6, args_size=6
        start local 0 // sun.security.ssl.SSLBasicKeyDerivation this
        start local 1 // javax.crypto.SecretKey secret
        start local 2 // java.lang.String hashAlg
        start local 3 // byte[] label
        start local 4 // byte[] context
        start local 5 // int length
         0: .line 40
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 42
            aload 0 /* this */
            aload 2 /* hashAlg */
            ldc "-"
            ldc ""
            invokevirtual java.lang.String.replace:(Ljava/lang/CharSequence;Ljava/lang/CharSequence;)Ljava/lang/String;
            putfield sun.security.ssl.SSLBasicKeyDerivation.hashAlg:Ljava/lang/String;
         2: .line 43
            aload 0 /* this */
            aload 1 /* secret */
            putfield sun.security.ssl.SSLBasicKeyDerivation.secret:Ljavax/crypto/SecretKey;
         3: .line 44
            aload 0 /* this */
            aload 3 /* label */
            aload 4 /* context */
            iload 5 /* length */
            invokestatic sun.security.ssl.SSLBasicKeyDerivation.createHkdfInfo:([B[BI)[B
            putfield sun.security.ssl.SSLBasicKeyDerivation.hkdfInfo:[B
         4: .line 45
            return
        end local 5 // int length
        end local 4 // byte[] context
        end local 3 // byte[] label
        end local 2 // java.lang.String hashAlg
        end local 1 // javax.crypto.SecretKey secret
        end local 0 // sun.security.ssl.SSLBasicKeyDerivation this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0     this  Lsun/security/ssl/SSLBasicKeyDerivation;
            0    5     1   secret  Ljavax/crypto/SecretKey;
            0    5     2  hashAlg  Ljava/lang/String;
            0    5     3    label  [B
            0    5     4  context  [B
            0    5     5   length  I
    MethodParameters:
         Name  Flags
      secret   
      hashAlg  
      label    
      context  
      length   

  public javax.crypto.SecretKey deriveKey(java.lang.String, java.security.spec.AlgorithmParameterSpec);
    descriptor: (Ljava/lang/String;Ljava/security/spec/AlgorithmParameterSpec;)Ljavax/crypto/SecretKey;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // sun.security.ssl.SSLBasicKeyDerivation this
        start local 1 // java.lang.String algorithm
        start local 2 // java.security.spec.AlgorithmParameterSpec keySpec
         0: .line 51
            new sun.security.ssl.HKDF
            dup
            aload 0 /* this */
            getfield sun.security.ssl.SSLBasicKeyDerivation.hashAlg:Ljava/lang/String;
            invokespecial sun.security.ssl.HKDF.<init>:(Ljava/lang/String;)V
            astore 3 /* hkdf */
        start local 3 // sun.security.ssl.HKDF hkdf
         1: .line 52
            aload 3 /* hkdf */
            aload 0 /* this */
            getfield sun.security.ssl.SSLBasicKeyDerivation.secret:Ljavax/crypto/SecretKey;
            aload 0 /* this */
            getfield sun.security.ssl.SSLBasicKeyDerivation.hkdfInfo:[B
         2: .line 53
            aload 2 /* keySpec */
            checkcast sun.security.ssl.SSLBasicKeyDerivation$SecretSizeSpec
            getfield sun.security.ssl.SSLBasicKeyDerivation$SecretSizeSpec.length:I
            aload 1 /* algorithm */
         3: .line 52
            invokevirtual sun.security.ssl.HKDF.expand:(Ljavax/crypto/SecretKey;[BILjava/lang/String;)Ljavax/crypto/SecretKey;
         4: areturn
        end local 3 // sun.security.ssl.HKDF hkdf
         5: .line 54
      StackMap locals:
      StackMap stack: java.security.GeneralSecurityException
            astore 3 /* gse */
        start local 3 // java.security.GeneralSecurityException gse
         6: .line 55
            new javax.net.ssl.SSLHandshakeException
            dup
         7: .line 56
            ldc "Could not generate secret"
         8: .line 55
            invokespecial javax.net.ssl.SSLHandshakeException.<init>:(Ljava/lang/String;)V
         9: .line 56
            aload 3 /* gse */
            invokevirtual javax.net.ssl.SSLHandshakeException.initCause:(Ljava/lang/Throwable;)Ljava/lang/Throwable;
        10: .line 55
            checkcast javax.net.ssl.SSLHandshakeException
            athrow
        end local 3 // java.security.GeneralSecurityException gse
        end local 2 // java.security.spec.AlgorithmParameterSpec keySpec
        end local 1 // java.lang.String algorithm
        end local 0 // sun.security.ssl.SSLBasicKeyDerivation this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   11     0       this  Lsun/security/ssl/SSLBasicKeyDerivation;
            0   11     1  algorithm  Ljava/lang/String;
            0   11     2    keySpec  Ljava/security/spec/AlgorithmParameterSpec;
            1    5     3       hkdf  Lsun/security/ssl/HKDF;
            6   11     3        gse  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
           0     4       5  Class java.security.GeneralSecurityException
    Exceptions:
      throws java.io.IOException
    MethodParameters:
           Name  Flags
      algorithm  
      keySpec    

  private static byte[] createHkdfInfo(byte[], byte[], int);
    descriptor: ([B[BI)[B
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=5, args_size=3
        start local 0 // byte[] label
        start local 1 // byte[] context
        start local 2 // int length
         0: .line 62
            iconst_4
            aload 0 /* label */
            arraylength
            iadd
            aload 1 /* context */
            arraylength
            iadd
            newarray 8
            astore 3 /* info */
        start local 3 // byte[] info
         1: .line 63
            aload 3 /* info */
            invokestatic java.nio.ByteBuffer.wrap:([B)Ljava/nio/ByteBuffer;
            astore 4 /* m */
        start local 4 // java.nio.ByteBuffer m
         2: .line 65
            aload 4 /* m */
            iload 2 /* length */
            invokestatic sun.security.ssl.Record.putInt16:(Ljava/nio/ByteBuffer;I)V
         3: .line 66
            aload 4 /* m */
            aload 0 /* label */
            invokestatic sun.security.ssl.Record.putBytes8:(Ljava/nio/ByteBuffer;[B)V
         4: .line 67
            aload 4 /* m */
            aload 1 /* context */
            invokestatic sun.security.ssl.Record.putBytes8:(Ljava/nio/ByteBuffer;[B)V
         5: .line 68
            goto 7
      StackMap locals: byte[] byte[] int byte[] java.nio.ByteBuffer
      StackMap stack: java.io.IOException
         6: pop
         7: .line 71
      StackMap locals:
      StackMap stack:
            aload 3 /* info */
            areturn
        end local 4 // java.nio.ByteBuffer m
        end local 3 // byte[] info
        end local 2 // int length
        end local 1 // byte[] context
        end local 0 // byte[] label
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    8     0    label  [B
            0    8     1  context  [B
            0    8     2   length  I
            1    8     3     info  [B
            2    8     4        m  Ljava/nio/ByteBuffer;
      Exception table:
        from    to  target  type
           2     5       6  Class java.io.IOException
    MethodParameters:
         Name  Flags
      label    
      context  
      length   
}
SourceFile: "SSLBasicKeyDerivation.java"
NestMembers:
  sun.security.ssl.SSLBasicKeyDerivation$SecretSizeSpec
InnerClasses:
  SecretSizeSpec = sun.security.ssl.SSLBasicKeyDerivation$SecretSizeSpec of sun.security.ssl.SSLBasicKeyDerivation