public class android.security.SystemKeyStore
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: android.security.SystemKeyStore
  super_class: java.lang.Object
{
  private static final java.lang.String SYSTEM_KEYSTORE_DIRECTORY;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "misc/systemkeys"

  private static final java.lang.String KEY_FILE_EXTENSION;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: ".sks"

  private static android.security.SystemKeyStore mInstance;
    descriptor: Landroid/security/SystemKeyStore;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 40
            new android.security.SystemKeyStore
            dup
            invokespecial android.security.SystemKeyStore.<init>:()V
            putstatic android.security.SystemKeyStore.mInstance:Landroid/security/SystemKeyStore;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // android.security.SystemKeyStore this
         0: .line 42
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // android.security.SystemKeyStore this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Landroid/security/SystemKeyStore;

  public static android.security.SystemKeyStore getInstance();
    descriptor: ()Landroid/security/SystemKeyStore;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 45
            getstatic android.security.SystemKeyStore.mInstance:Landroid/security/SystemKeyStore;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static java.lang.String toHexString(byte[]);
    descriptor: ([B)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=5, args_size=1
        start local 0 // byte[] keyData
         0: .line 49
            aload 0 /* keyData */
            ifnonnull 2
         1: .line 50
            aconst_null
            areturn
         2: .line 52
      StackMap locals:
      StackMap stack:
            aload 0 /* keyData */
            arraylength
            pop
         3: .line 53
            aload 0 /* keyData */
            arraylength
            iconst_2
            imul
            istore 1 /* expectedStringLen */
        start local 1 // int expectedStringLen
         4: .line 54
            new java.lang.StringBuilder
            dup
            iload 1 /* expectedStringLen */
            invokespecial java.lang.StringBuilder.<init>:(I)V
            astore 2 /* sb */
        start local 2 // java.lang.StringBuilder sb
         5: .line 55
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         6: goto 12
         7: .line 56
      StackMap locals: int java.lang.StringBuilder int
      StackMap stack:
            aload 0 /* keyData */
            iload 3 /* i */
            baload
            sipush 255
            iand
            bipush 16
            invokestatic java.lang.Integer.toString:(II)Ljava/lang/String;
            astore 4 /* hexStr */
        start local 4 // java.lang.String hexStr
         8: .line 57
            aload 4 /* hexStr */
            invokevirtual java.lang.String.length:()I
            iconst_1
            if_icmpne 10
         9: .line 58
            new java.lang.StringBuilder
            dup
            ldc "0"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 4 /* hexStr */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            astore 4 /* hexStr */
        10: .line 60
      StackMap locals: java.lang.String
      StackMap stack:
            aload 2 /* sb */
            aload 4 /* hexStr */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        end local 4 // java.lang.String hexStr
        11: .line 55
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
        12: iload 3 /* i */
            aload 0 /* keyData */
            arraylength
            if_icmplt 7
        end local 3 // int i
        13: .line 62
            aload 2 /* sb */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 2 // java.lang.StringBuilder sb
        end local 1 // int expectedStringLen
        end local 0 // byte[] keyData
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0   14     0            keyData  [B
            4   14     1  expectedStringLen  I
            5   14     2                 sb  Ljava/lang/StringBuilder;
            6   13     3                  i  I
            8   11     4             hexStr  Ljava/lang/String;
    MethodParameters:
         Name  Flags
      keyData  

  public java.lang.String generateNewKeyHexString(int, java.lang.String, java.lang.String);
    descriptor: (ILjava/lang/String;Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // android.security.SystemKeyStore this
        start local 1 // int numBits
        start local 2 // java.lang.String algName
        start local 3 // java.lang.String keyName
         0: .line 67
            aload 0 /* this */
            iload 1 /* numBits */
            aload 2 /* algName */
            aload 3 /* keyName */
            invokevirtual android.security.SystemKeyStore.generateNewKey:(ILjava/lang/String;Ljava/lang/String;)[B
            invokestatic android.security.SystemKeyStore.toHexString:([B)Ljava/lang/String;
            areturn
        end local 3 // java.lang.String keyName
        end local 2 // java.lang.String algName
        end local 1 // int numBits
        end local 0 // android.security.SystemKeyStore this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Landroid/security/SystemKeyStore;
            0    1     1  numBits  I
            0    1     2  algName  Ljava/lang/String;
            0    1     3  keyName  Ljava/lang/String;
    Exceptions:
      throws java.security.NoSuchAlgorithmException
    MethodParameters:
         Name  Flags
      numBits  
      algName  
      keyName  

  public byte[] generateNewKey(int, java.lang.String, java.lang.String);
    descriptor: (ILjava/lang/String;Ljava/lang/String;)[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=10, args_size=4
        start local 0 // android.security.SystemKeyStore this
        start local 1 // int numBits
        start local 2 // java.lang.String algName
        start local 3 // java.lang.String keyName
         0: .line 74
            aload 0 /* this */
            aload 3 /* keyName */
            invokevirtual android.security.SystemKeyStore.getKeyFile:(Ljava/lang/String;)Ljava/io/File;
            astore 4 /* keyFile */
        start local 4 // java.io.File keyFile
         1: .line 75
            aload 4 /* keyFile */
            invokevirtual java.io.File.exists:()Z
            ifeq 3
         2: .line 76
            new java.lang.IllegalArgumentException
            dup
            invokespecial java.lang.IllegalArgumentException.<init>:()V
            athrow
         3: .line 79
      StackMap locals: java.io.File
      StackMap stack:
            aload 2 /* algName */
            invokestatic javax.crypto.KeyGenerator.getInstance:(Ljava/lang/String;)Ljavax/crypto/KeyGenerator;
            astore 5 /* skg */
        start local 5 // javax.crypto.KeyGenerator skg
         4: .line 80
            ldc "SHA1PRNG"
            invokestatic java.security.SecureRandom.getInstance:(Ljava/lang/String;)Ljava/security/SecureRandom;
            astore 6 /* srng */
        start local 6 // java.security.SecureRandom srng
         5: .line 81
            aload 5 /* skg */
            iload 1 /* numBits */
            aload 6 /* srng */
            invokevirtual javax.crypto.KeyGenerator.init:(ILjava/security/SecureRandom;)V
         6: .line 83
            aload 5 /* skg */
            invokevirtual javax.crypto.KeyGenerator.generateKey:()Ljavax/crypto/SecretKey;
            astore 7 /* sk */
        start local 7 // javax.crypto.SecretKey sk
         7: .line 84
            aload 7 /* sk */
            invokeinterface javax.crypto.SecretKey.getEncoded:()[B
            astore 8 /* retKey */
        start local 8 // byte[] retKey
         8: .line 88
            aload 4 /* keyFile */
            invokevirtual java.io.File.createNewFile:()Z
            ifne 10
         9: .line 89
            new java.lang.IllegalArgumentException
            dup
            invokespecial java.lang.IllegalArgumentException.<init>:()V
            athrow
        10: .line 92
      StackMap locals: android.security.SystemKeyStore int java.lang.String java.lang.String java.io.File javax.crypto.KeyGenerator java.security.SecureRandom javax.crypto.SecretKey byte[]
      StackMap stack:
            new java.io.FileOutputStream
            dup
            aload 4 /* keyFile */
            invokespecial java.io.FileOutputStream.<init>:(Ljava/io/File;)V
            astore 9 /* fos */
        start local 9 // java.io.FileOutputStream fos
        11: .line 93
            aload 9 /* fos */
            aload 8 /* retKey */
            invokevirtual java.io.FileOutputStream.write:([B)V
        12: .line 94
            aload 9 /* fos */
            invokevirtual java.io.FileOutputStream.flush:()V
        13: .line 95
            aload 9 /* fos */
            invokestatic android.os.FileUtils.sync:(Ljava/io/FileOutputStream;)Z
            pop
        14: .line 96
            aload 9 /* fos */
            invokevirtual java.io.FileOutputStream.close:()V
        15: .line 97
            aload 4 /* keyFile */
            invokevirtual java.io.File.getName:()Ljava/lang/String;
            sipush 384
        16: .line 98
            iconst_m1
            iconst_m1
        17: .line 97
            invokestatic android.os.FileUtils.setPermissions:(Ljava/lang/String;III)I
            pop
        end local 9 // java.io.FileOutputStream fos
        18: .line 99
            goto 21
      StackMap locals:
      StackMap stack: java.io.IOException
        19: pop
        20: .line 100
            aconst_null
            areturn
        21: .line 102
      StackMap locals:
      StackMap stack:
            aload 8 /* retKey */
            areturn
        end local 8 // byte[] retKey
        end local 7 // javax.crypto.SecretKey sk
        end local 6 // java.security.SecureRandom srng
        end local 5 // javax.crypto.KeyGenerator skg
        end local 4 // java.io.File keyFile
        end local 3 // java.lang.String keyName
        end local 2 // java.lang.String algName
        end local 1 // int numBits
        end local 0 // android.security.SystemKeyStore this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   22     0     this  Landroid/security/SystemKeyStore;
            0   22     1  numBits  I
            0   22     2  algName  Ljava/lang/String;
            0   22     3  keyName  Ljava/lang/String;
            1   22     4  keyFile  Ljava/io/File;
            4   22     5      skg  Ljavax/crypto/KeyGenerator;
            5   22     6     srng  Ljava/security/SecureRandom;
            7   22     7       sk  Ljavax/crypto/SecretKey;
            8   22     8   retKey  [B
           11   18     9      fos  Ljava/io/FileOutputStream;
      Exception table:
        from    to  target  type
           8    18      19  Class java.io.IOException
    Exceptions:
      throws java.security.NoSuchAlgorithmException
    MethodParameters:
         Name  Flags
      numBits  
      algName  
      keyName  

  private java.io.File getKeyFile(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/io/File;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=4, args_size=2
        start local 0 // android.security.SystemKeyStore this
        start local 1 // java.lang.String keyName
         0: .line 106
            new java.io.File
            dup
            invokestatic android.os.Environment.getDataDirectory:()Ljava/io/File;
         1: .line 107
            ldc "misc/systemkeys"
         2: .line 106
            invokespecial java.io.File.<init>:(Ljava/io/File;Ljava/lang/String;)V
            astore 2 /* sysKeystoreDir */
        start local 2 // java.io.File sysKeystoreDir
         3: .line 108
            new java.io.File
            dup
            aload 2 /* sysKeystoreDir */
            new java.lang.StringBuilder
            dup
            aload 1 /* keyName */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".sks"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.File.<init>:(Ljava/io/File;Ljava/lang/String;)V
            astore 3 /* keyFile */
        start local 3 // java.io.File keyFile
         4: .line 109
            aload 3 /* keyFile */
            areturn
        end local 3 // java.io.File keyFile
        end local 2 // java.io.File sysKeystoreDir
        end local 1 // java.lang.String keyName
        end local 0 // android.security.SystemKeyStore this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    5     0            this  Landroid/security/SystemKeyStore;
            0    5     1         keyName  Ljava/lang/String;
            3    5     2  sysKeystoreDir  Ljava/io/File;
            4    5     3         keyFile  Ljava/io/File;
    MethodParameters:
         Name  Flags
      keyName  

  public java.lang.String retrieveKeyHexString(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // android.security.SystemKeyStore this
        start local 1 // java.lang.String keyName
         0: .line 113
            aload 0 /* this */
            aload 1 /* keyName */
            invokevirtual android.security.SystemKeyStore.retrieveKey:(Ljava/lang/String;)[B
            invokestatic android.security.SystemKeyStore.toHexString:([B)Ljava/lang/String;
            areturn
        end local 1 // java.lang.String keyName
        end local 0 // android.security.SystemKeyStore this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Landroid/security/SystemKeyStore;
            0    1     1  keyName  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      keyName  

  public byte[] retrieveKey(java.lang.String);
    descriptor: (Ljava/lang/String;)[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // android.security.SystemKeyStore this
         0: .line 121
            new java.lang.Error
            dup
            ldc "Unresolved compilation problem: \n\tIoUtils cannot be resolved\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // android.security.SystemKeyStore this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Landroid/security/SystemKeyStore;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      keyName  

  public void deleteKey(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // android.security.SystemKeyStore this
        start local 1 // java.lang.String keyName
         0: .line 127
            aload 0 /* this */
            aload 1 /* keyName */
            invokevirtual android.security.SystemKeyStore.getKeyFile:(Ljava/lang/String;)Ljava/io/File;
            astore 2 /* keyFile */
        start local 2 // java.io.File keyFile
         1: .line 128
            aload 2 /* keyFile */
            invokevirtual java.io.File.exists:()Z
            ifne 3
         2: .line 129
            new java.lang.IllegalArgumentException
            dup
            invokespecial java.lang.IllegalArgumentException.<init>:()V
            athrow
         3: .line 132
      StackMap locals: java.io.File
      StackMap stack:
            aload 2 /* keyFile */
            invokevirtual java.io.File.delete:()Z
            pop
         4: .line 133
            return
        end local 2 // java.io.File keyFile
        end local 1 // java.lang.String keyName
        end local 0 // android.security.SystemKeyStore this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0     this  Landroid/security/SystemKeyStore;
            0    5     1  keyName  Ljava/lang/String;
            1    5     2  keyFile  Ljava/io/File;
    MethodParameters:
         Name  Flags
      keyName  
}
SourceFile: "SystemKeyStore.java"