public class sun.security.krb5.internal.crypto.DesMacCksumType extends sun.security.krb5.internal.crypto.CksumType
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: sun.security.krb5.internal.crypto.DesMacCksumType
  super_class: sun.security.krb5.internal.crypto.CksumType
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
         0: .line 41
            aload 0 /* this */
            invokespecial sun.security.krb5.internal.crypto.CksumType.<init>:()V
         1: .line 42
            return
        end local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lsun/security/krb5/internal/crypto/DesMacCksumType;

  public int confounderSize();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
         0: .line 45
            bipush 8
            ireturn
        end local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/krb5/internal/crypto/DesMacCksumType;

  public int cksumType();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
         0: .line 49
            iconst_4
            ireturn
        end local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/krb5/internal/crypto/DesMacCksumType;

  public boolean isKeyed();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
         0: .line 53
            iconst_1
            ireturn
        end local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/krb5/internal/crypto/DesMacCksumType;

  public int cksumSize();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
         0: .line 57
            bipush 16
            ireturn
        end local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/krb5/internal/crypto/DesMacCksumType;

  public int keyType();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
         0: .line 61
            iconst_1
            ireturn
        end local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/krb5/internal/crypto/DesMacCksumType;

  public int keySize();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
         0: .line 65
            bipush 8
            ireturn
        end local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/krb5/internal/crypto/DesMacCksumType;

  public byte[] calculateChecksum(byte[], int, byte[], int);
    descriptor: ([BI[BI)[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=13, args_size=5
        start local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
        start local 1 // byte[] data
        start local 2 // int size
        start local 3 // byte[] key
        start local 4 // int usage
         0: .line 79
            iload 2 /* size */
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            iadd
            newarray 8
            astore 5 /* new_data */
        start local 5 // byte[] new_data
         1: .line 80
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            invokestatic sun.security.krb5.Confounder.bytes:(I)[B
            astore 6 /* conf */
        start local 6 // byte[] conf
         2: .line 81
            aload 6 /* conf */
            iconst_0
            aload 5 /* new_data */
            iconst_0
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         3: .line 82
            aload 1 /* data */
            iconst_0
            aload 5 /* new_data */
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            iload 2 /* size */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         4: .line 86
            aload 3 /* key */
            iconst_0
            invokestatic javax.crypto.spec.DESKeySpec.isWeak:([BI)Z
            ifeq 8
         5: .line 87
            aload 3 /* key */
            bipush 7
            aload 3 /* key */
            bipush 7
            baload
            sipush 240
            ixor
            i2b
            bastore
         6: .line 89
            goto 8
      StackMap locals: sun.security.krb5.internal.crypto.DesMacCksumType byte[] int byte[] int byte[] byte[]
      StackMap stack: java.security.InvalidKeyException
         7: pop
         8: .line 92
      StackMap locals:
      StackMap stack:
            aload 3 /* key */
            arraylength
            newarray 8
            astore 7 /* residue_ivec */
        start local 7 // byte[] residue_ivec
         9: .line 93
            aload 7 /* residue_ivec */
            aload 5 /* new_data */
            aload 3 /* key */
            invokestatic sun.security.krb5.internal.crypto.Des.des_cksum:([B[B[B)[B
            astore 8 /* residue */
        start local 8 // byte[] residue
        10: .line 94
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.cksumSize:()I
            newarray 8
            astore 9 /* cksum */
        start local 9 // byte[] cksum
        11: .line 95
            aload 6 /* conf */
            iconst_0
            aload 9 /* cksum */
            iconst_0
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        12: .line 96
            aload 8 /* residue */
            iconst_0
            aload 9 /* cksum */
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
        13: .line 97
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.cksumSize:()I
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            isub
        14: .line 96
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        15: .line 99
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.keySize:()I
            newarray 8
            astore 10 /* new_key */
        start local 10 // byte[] new_key
        16: .line 100
            aload 3 /* key */
            iconst_0
            aload 10 /* new_key */
            iconst_0
            aload 3 /* key */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        17: .line 101
            iconst_0
            istore 11 /* i */
        start local 11 // int i
        18: goto 21
        19: .line 102
      StackMap locals: sun.security.krb5.internal.crypto.DesMacCksumType byte[] int byte[] int byte[] byte[] byte[] byte[] byte[] byte[] int
      StackMap stack:
            aload 10 /* new_key */
            iload 11 /* i */
            aload 10 /* new_key */
            iload 11 /* i */
            baload
            sipush 240
            ixor
            i2b
            bastore
        20: .line 101
            iinc 11 /* i */ 1
      StackMap locals:
      StackMap stack:
        21: iload 11 /* i */
            aload 10 /* new_key */
            arraylength
            if_icmplt 19
        end local 11 // int i
        22: .line 105
            aload 10 /* new_key */
            iconst_0
            invokestatic javax.crypto.spec.DESKeySpec.isWeak:([BI)Z
            ifeq 26
        23: .line 106
            aload 10 /* new_key */
            bipush 7
            aload 10 /* new_key */
            bipush 7
            baload
            sipush 240
            ixor
            i2b
            bastore
        24: .line 108
            goto 26
      StackMap locals: sun.security.krb5.internal.crypto.DesMacCksumType byte[] int byte[] int byte[] byte[] byte[] byte[] byte[] byte[]
      StackMap stack: java.security.InvalidKeyException
        25: pop
        26: .line 111
      StackMap locals:
      StackMap stack:
            aload 10 /* new_key */
            arraylength
            newarray 8
            astore 11 /* ivec */
        start local 11 // byte[] ivec
        27: .line 114
            aload 9 /* cksum */
            arraylength
            newarray 8
            astore 12 /* enc_cksum */
        start local 12 // byte[] enc_cksum
        28: .line 115
            aload 9 /* cksum */
            aload 12 /* enc_cksum */
            aload 10 /* new_key */
            aload 11 /* ivec */
            iconst_1
            invokestatic sun.security.krb5.internal.crypto.Des.cbc_encrypt:([B[B[B[BZ)V
        29: .line 116
            aload 12 /* enc_cksum */
            areturn
        end local 12 // byte[] enc_cksum
        end local 11 // byte[] ivec
        end local 10 // byte[] new_key
        end local 9 // byte[] cksum
        end local 8 // byte[] residue
        end local 7 // byte[] residue_ivec
        end local 6 // byte[] conf
        end local 5 // byte[] new_data
        end local 4 // int usage
        end local 3 // byte[] key
        end local 2 // int size
        end local 1 // byte[] data
        end local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   30     0          this  Lsun/security/krb5/internal/crypto/DesMacCksumType;
            0   30     1          data  [B
            0   30     2          size  I
            0   30     3           key  [B
            0   30     4         usage  I
            1   30     5      new_data  [B
            2   30     6          conf  [B
            9   30     7  residue_ivec  [B
           10   30     8       residue  [B
           11   30     9         cksum  [B
           16   30    10       new_key  [B
           18   22    11             i  I
           27   30    11          ivec  [B
           28   30    12     enc_cksum  [B
      Exception table:
        from    to  target  type
           4     6       7  Class java.security.InvalidKeyException
          22    24      25  Class java.security.InvalidKeyException
    Exceptions:
      throws sun.security.krb5.KrbCryptoException
    MethodParameters:
       Name  Flags
      data   
      size   
      key    
      usage  

  public boolean verifyChecksum(byte[], int, byte[], byte[], int);
    descriptor: ([BI[B[BI)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=11, args_size=6
        start local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
        start local 1 // byte[] data
        start local 2 // int size
        start local 3 // byte[] key
        start local 4 // byte[] checksum
        start local 5 // int usage
         0: .line 131
            aload 0 /* this */
            aload 4 /* checksum */
            aload 3 /* key */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.decryptKeyedChecksum:([B[B)[B
            astore 6 /* cksum */
        start local 6 // byte[] cksum
         1: .line 133
            iload 2 /* size */
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            iadd
            newarray 8
            astore 7 /* new_data */
        start local 7 // byte[] new_data
         2: .line 134
            aload 6 /* cksum */
            iconst_0
            aload 7 /* new_data */
            iconst_0
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         3: .line 135
            aload 1 /* data */
            iconst_0
            aload 7 /* new_data */
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            iload 2 /* size */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         4: .line 139
            aload 3 /* key */
            iconst_0
            invokestatic javax.crypto.spec.DESKeySpec.isWeak:([BI)Z
            ifeq 8
         5: .line 140
            aload 3 /* key */
            bipush 7
            aload 3 /* key */
            bipush 7
            baload
            sipush 240
            ixor
            i2b
            bastore
         6: .line 142
            goto 8
      StackMap locals: sun.security.krb5.internal.crypto.DesMacCksumType byte[] int byte[] byte[] int byte[] byte[]
      StackMap stack: java.security.InvalidKeyException
         7: pop
         8: .line 145
      StackMap locals:
      StackMap stack:
            aload 3 /* key */
            arraylength
            newarray 8
            astore 8 /* ivec */
        start local 8 // byte[] ivec
         9: .line 146
            aload 8 /* ivec */
            aload 7 /* new_data */
            aload 3 /* key */
            invokestatic sun.security.krb5.internal.crypto.Des.des_cksum:([B[B[B)[B
            astore 9 /* new_cksum */
        start local 9 // byte[] new_cksum
        10: .line 147
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.cksumSize:()I
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            isub
            newarray 8
            astore 10 /* orig_cksum */
        start local 10 // byte[] orig_cksum
        11: .line 148
            aload 6 /* cksum */
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            aload 10 /* orig_cksum */
            iconst_0
        12: .line 149
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.cksumSize:()I
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.confounderSize:()I
            isub
        13: .line 148
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        14: .line 150
            aload 10 /* orig_cksum */
            aload 9 /* new_cksum */
            invokestatic sun.security.krb5.internal.crypto.DesMacCksumType.isChecksumEqual:([B[B)Z
            ireturn
        end local 10 // byte[] orig_cksum
        end local 9 // byte[] new_cksum
        end local 8 // byte[] ivec
        end local 7 // byte[] new_data
        end local 6 // byte[] cksum
        end local 5 // int usage
        end local 4 // byte[] checksum
        end local 3 // byte[] key
        end local 2 // int size
        end local 1 // byte[] data
        end local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   15     0        this  Lsun/security/krb5/internal/crypto/DesMacCksumType;
            0   15     1        data  [B
            0   15     2        size  I
            0   15     3         key  [B
            0   15     4    checksum  [B
            0   15     5       usage  I
            1   15     6       cksum  [B
            2   15     7    new_data  [B
            9   15     8        ivec  [B
           10   15     9   new_cksum  [B
           11   15    10  orig_cksum  [B
      Exception table:
        from    to  target  type
           4     6       7  Class java.security.InvalidKeyException
    Exceptions:
      throws sun.security.krb5.KrbCryptoException
    MethodParameters:
          Name  Flags
      data      
      size      
      key       
      checksum  
      usage     

  private byte[] decryptKeyedChecksum(byte[], byte[]);
    descriptor: ([B[B)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=6, args_size=3
        start local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
        start local 1 // byte[] enc_cksum
        start local 2 // byte[] key
         0: .line 162
            aload 0 /* this */
            invokevirtual sun.security.krb5.internal.crypto.DesMacCksumType.keySize:()I
            newarray 8
            astore 3 /* new_key */
        start local 3 // byte[] new_key
         1: .line 163
            aload 2 /* key */
            iconst_0
            aload 3 /* new_key */
            iconst_0
            aload 2 /* key */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         2: .line 164
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         3: goto 6
         4: .line 165
      StackMap locals: byte[] int
      StackMap stack:
            aload 3 /* new_key */
            iload 4 /* i */
            aload 3 /* new_key */
            iload 4 /* i */
            baload
            sipush 240
            ixor
            i2b
            bastore
         5: .line 164
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
         6: iload 4 /* i */
            aload 3 /* new_key */
            arraylength
            if_icmplt 4
        end local 4 // int i
         7: .line 168
            aload 3 /* new_key */
            iconst_0
            invokestatic javax.crypto.spec.DESKeySpec.isWeak:([BI)Z
            ifeq 11
         8: .line 169
            aload 3 /* new_key */
            bipush 7
            aload 3 /* new_key */
            bipush 7
            baload
            sipush 240
            ixor
            i2b
            bastore
         9: .line 171
            goto 11
      StackMap locals: sun.security.krb5.internal.crypto.DesMacCksumType byte[] byte[] byte[]
      StackMap stack: java.security.InvalidKeyException
        10: pop
        11: .line 174
      StackMap locals:
      StackMap stack:
            aload 3 /* new_key */
            arraylength
            newarray 8
            astore 4 /* ivec */
        start local 4 // byte[] ivec
        12: .line 175
            aload 1 /* enc_cksum */
            arraylength
            newarray 8
            astore 5 /* cksum */
        start local 5 // byte[] cksum
        13: .line 176
            aload 1 /* enc_cksum */
            aload 5 /* cksum */
            aload 3 /* new_key */
            aload 4 /* ivec */
            iconst_0
            invokestatic sun.security.krb5.internal.crypto.Des.cbc_encrypt:([B[B[B[BZ)V
        14: .line 177
            aload 5 /* cksum */
            areturn
        end local 5 // byte[] cksum
        end local 4 // byte[] ivec
        end local 3 // byte[] new_key
        end local 2 // byte[] key
        end local 1 // byte[] enc_cksum
        end local 0 // sun.security.krb5.internal.crypto.DesMacCksumType this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   15     0       this  Lsun/security/krb5/internal/crypto/DesMacCksumType;
            0   15     1  enc_cksum  [B
            0   15     2        key  [B
            1   15     3    new_key  [B
            3    7     4          i  I
           12   15     4       ivec  [B
           13   15     5      cksum  [B
      Exception table:
        from    to  target  type
           7     9      10  Class java.security.InvalidKeyException
    Exceptions:
      throws sun.security.krb5.KrbCryptoException
    MethodParameters:
           Name  Flags
      enc_cksum  
      key        
}
SourceFile: "DesMacCksumType.java"