java/15 : java.base/sun/security/provider/DRBG.class

DRBG
https://openjdk.java.net/
GPLv2 + Classpath Exception
public final class sun.security.provider.DRBG extends java.security.SecureRandomSpi
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: sun.security.provider.DRBG
  super_class: java.security.SecureRandomSpi
{
  private static final java.lang.String PROP_NAME;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "securerandom.drbg.config"

  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 9

  private transient sun.security.provider.AbstractDrbg impl;
    descriptor: Lsun/security/provider/AbstractDrbg;
    flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT

  private final sun.security.provider.MoreDrbgParameters mdp;
    descriptor: Lsun/security/provider/MoreDrbgParameters;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(java.security.SecureRandomParameters);
    descriptor: (Ljava/security/SecureRandomParameters;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=11, locals=17, args_size=2
        start local 0 // sun.security.provider.DRBG this
        start local 1 // java.security.SecureRandomParameters params
         0: .line 73
            aload 0 /* this */
            invokespecial java.security.SecureRandomSpi.<init>:()V
         1: .line 78
            aconst_null
            astore 2 /* mech */
        start local 2 // java.lang.String mech
         2: .line 79
            aconst_null
            astore 3 /* usedf */
        start local 3 // java.lang.Boolean usedf
         3: .line 80
            aconst_null
            astore 4 /* algorithm */
        start local 4 // java.lang.String algorithm
         4: .line 85
            iconst_m1
            istore 5 /* strength */
        start local 5 // int strength
         5: .line 86
            aconst_null
            astore 6 /* cap */
        start local 6 // java.security.DrbgParameters$Capability cap
         6: .line 87
            aconst_null
            astore 7 /* ps */
        start local 7 // byte[] ps
         7: .line 91
            aconst_null
            astore 8 /* es */
        start local 8 // sun.security.provider.EntropySource es
         8: .line 92
            aconst_null
            astore 9 /* nonce */
        start local 9 // byte[] nonce
         9: .line 97
            invokedynamic run()Ljava/security/PrivilegedAction;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  ()Ljava/lang/Object;
                  sun/security/provider/DRBG.lambda$0()Ljava/lang/String; (6)
                  ()Ljava/lang/String;
        10: .line 96
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            checkcast java.lang.String
            astore 10 /* config */
        start local 10 // java.lang.String config
        11: .line 99
            aload 10 /* config */
            ifnull 77
            aload 10 /* config */
            invokevirtual java.lang.String.isEmpty:()Z
            ifne 77
        12: .line 100
            aload 10 /* config */
            ldc ","
            invokevirtual java.lang.String.split:(Ljava/lang/String;)[Ljava/lang/String;
            dup
            astore 14
            arraylength
            istore 13
            iconst_0
            istore 12
            goto 76
      StackMap locals: sun.security.provider.DRBG java.security.SecureRandomParameters java.lang.String java.lang.Boolean java.lang.String int java.security.DrbgParameters$Capability byte[] sun.security.provider.EntropySource byte[] java.lang.String top int int java.lang.String[]
      StackMap stack:
        13: aload 14
            iload 12
            aaload
            astore 11 /* part */
        start local 11 // java.lang.String part
        14: .line 101
            aload 11 /* part */
            invokevirtual java.lang.String.trim:()Ljava/lang/String;
            astore 11 /* part */
        15: .line 102
            aload 11 /* part */
            getstatic java.util.Locale.ROOT:Ljava/util/Locale;
            invokevirtual java.lang.String.toLowerCase:(Ljava/util/Locale;)Ljava/lang/String;
            dup
            astore 15
            invokevirtual java.lang.String.hashCode:()I
            lookupswitch { // 9
           -836048326: 16
           -733043737: 17
           -329674575: 18
                    0: 19
              3387192: 20
            104988608: 21
            309173732: 22
            809718443: 23
           1245409513: 24
              default: 58
          }
      StackMap locals: sun.security.provider.DRBG java.security.SecureRandomParameters java.lang.String java.lang.Boolean java.lang.String int java.security.DrbgParameters$Capability byte[] sun.security.provider.EntropySource byte[] java.lang.String java.lang.String int int java.lang.String[] java.lang.String
      StackMap stack:
        16: aload 15
            ldc "use_df"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 53
            goto 58
      StackMap locals:
      StackMap stack:
        17: aload 15
            ldc "reseed_only"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 33
            goto 58
      StackMap locals:
      StackMap stack:
        18: aload 15
            ldc "ctr_drbg"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 43
            goto 58
      StackMap locals:
      StackMap stack:
        19: aload 15
            ldc ""
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 25
            goto 58
      StackMap locals:
      StackMap stack:
        20: aload 15
            ldc "none"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 38
            goto 58
      StackMap locals:
      StackMap stack:
        21: aload 15
            ldc "no_df"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 48
            goto 58
      StackMap locals:
      StackMap stack:
        22: aload 15
            ldc "hash_drbg"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 43
            goto 58
      StackMap locals:
      StackMap stack:
        23: aload 15
            ldc "hmac_drbg"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 43
            goto 58
      StackMap locals:
      StackMap stack:
        24: aload 15
            ldc "pr_and_reseed"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 28
            goto 58
        25: .line 104
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
        26: .line 105
            ldc "aspect in securerandom.drbg.config cannot be empty"
        27: .line 104
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        28: .line 107
      StackMap locals:
      StackMap stack:
            aload 6 /* cap */
            ifnull 29
            iconst_1
            goto 30
      StackMap locals:
      StackMap stack:
        29: iconst_0
      StackMap locals:
      StackMap stack: int
        30: ldc "capability"
            invokestatic sun.security.provider.DRBG.checkTwice:(ZLjava/lang/String;)V
        31: .line 108
            getstatic java.security.DrbgParameters$Capability.PR_AND_RESEED:Ljava/security/DrbgParameters$Capability;
            astore 6 /* cap */
        32: .line 109
            goto 75
        33: .line 111
      StackMap locals:
      StackMap stack:
            aload 6 /* cap */
            ifnull 34
            iconst_1
            goto 35
      StackMap locals:
      StackMap stack:
        34: iconst_0
      StackMap locals:
      StackMap stack: int
        35: ldc "capability"
            invokestatic sun.security.provider.DRBG.checkTwice:(ZLjava/lang/String;)V
        36: .line 112
            getstatic java.security.DrbgParameters$Capability.RESEED_ONLY:Ljava/security/DrbgParameters$Capability;
            astore 6 /* cap */
        37: .line 113
            goto 75
        38: .line 115
      StackMap locals:
      StackMap stack:
            aload 6 /* cap */
            ifnull 39
            iconst_1
            goto 40
      StackMap locals:
      StackMap stack:
        39: iconst_0
      StackMap locals:
      StackMap stack: int
        40: ldc "capability"
            invokestatic sun.security.provider.DRBG.checkTwice:(ZLjava/lang/String;)V
        41: .line 116
            getstatic java.security.DrbgParameters$Capability.NONE:Ljava/security/DrbgParameters$Capability;
            astore 6 /* cap */
        42: .line 117
            goto 75
        43: .line 121
      StackMap locals:
      StackMap stack:
            aload 2 /* mech */
            ifnull 44
            iconst_1
            goto 45
      StackMap locals:
      StackMap stack:
        44: iconst_0
      StackMap locals:
      StackMap stack: int
        45: ldc "mechanism name"
            invokestatic sun.security.provider.DRBG.checkTwice:(ZLjava/lang/String;)V
        46: .line 122
            aload 11 /* part */
            astore 2 /* mech */
        47: .line 123
            goto 75
        48: .line 125
      StackMap locals:
      StackMap stack:
            aload 3 /* usedf */
            ifnull 49
            iconst_1
            goto 50
      StackMap locals:
      StackMap stack:
        49: iconst_0
      StackMap locals:
      StackMap stack: int
        50: ldc "usedf flag"
            invokestatic sun.security.provider.DRBG.checkTwice:(ZLjava/lang/String;)V
        51: .line 126
            iconst_0
            invokestatic java.lang.Boolean.valueOf:(Z)Ljava/lang/Boolean;
            astore 3 /* usedf */
        52: .line 127
            goto 75
        53: .line 129
      StackMap locals:
      StackMap stack:
            aload 3 /* usedf */
            ifnull 54
            iconst_1
            goto 55
      StackMap locals:
      StackMap stack:
        54: iconst_0
      StackMap locals:
      StackMap stack: int
        55: ldc "usedf flag"
            invokestatic sun.security.provider.DRBG.checkTwice:(ZLjava/lang/String;)V
        56: .line 130
            iconst_1
            invokestatic java.lang.Boolean.valueOf:(Z)Ljava/lang/Boolean;
            astore 3 /* usedf */
        57: .line 131
            goto 75
        58: .line 136
      StackMap locals:
      StackMap stack:
            aload 11 /* part */
            invokestatic java.lang.Integer.parseInt:(Ljava/lang/String;)I
            istore 16 /* tmp */
        start local 16 // int tmp
        59: .line 137
            iload 16 /* tmp */
            ifge 65
        60: .line 138
            new java.lang.IllegalArgumentException
            dup
        61: .line 139
            new java.lang.StringBuilder
            dup
            ldc "strength in securerandom.drbg.config cannot be negative: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        62: .line 140
            aload 11 /* part */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        63: .line 139
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        64: .line 138
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        65: .line 142
      StackMap locals: int
      StackMap stack:
            iload 5 /* strength */
            iflt 66
            iconst_1
            goto 67
      StackMap locals:
      StackMap stack:
        66: iconst_0
      StackMap locals:
      StackMap stack: int
        67: ldc "strength"
            invokestatic sun.security.provider.DRBG.checkTwice:(ZLjava/lang/String;)V
        68: .line 143
            iload 16 /* tmp */
            istore 5 /* strength */
        end local 16 // int tmp
        69: .line 144
            goto 75
      StackMap locals: sun.security.provider.DRBG java.security.SecureRandomParameters java.lang.String java.lang.Boolean java.lang.String int java.security.DrbgParameters$Capability byte[] sun.security.provider.EntropySource byte[] java.lang.String java.lang.String int int java.lang.String[] java.lang.String
      StackMap stack: java.lang.NumberFormatException
        70: pop
        71: .line 145
            aload 4 /* algorithm */
            ifnull 72
            iconst_1
            goto 73
      StackMap locals:
      StackMap stack:
        72: iconst_0
      StackMap locals:
      StackMap stack: int
        73: ldc "algorithm name"
            invokestatic sun.security.provider.DRBG.checkTwice:(ZLjava/lang/String;)V
        74: .line 146
            aload 11 /* part */
            astore 4 /* algorithm */
        end local 11 // java.lang.String part
        75: .line 100
      StackMap locals: sun.security.provider.DRBG java.security.SecureRandomParameters java.lang.String java.lang.Boolean java.lang.String int java.security.DrbgParameters$Capability byte[] sun.security.provider.EntropySource byte[] java.lang.String top int int java.lang.String[]
      StackMap stack:
            iinc 12 1
      StackMap locals:
      StackMap stack:
        76: iload 12
            iload 13
            if_icmplt 13
        77: .line 154
      StackMap locals: sun.security.provider.DRBG java.security.SecureRandomParameters java.lang.String java.lang.Boolean java.lang.String int java.security.DrbgParameters$Capability byte[] sun.security.provider.EntropySource byte[] java.lang.String
      StackMap stack:
            aload 1 /* params */
            ifnull 102
        78: .line 156
            aload 1 /* params */
            instanceof sun.security.provider.MoreDrbgParameters
            ifeq 90
        79: .line 157
            aload 1 /* params */
            checkcast sun.security.provider.MoreDrbgParameters
            astore 11 /* m */
        start local 11 // sun.security.provider.MoreDrbgParameters m
        80: .line 158
            aload 11 /* m */
            getfield sun.security.provider.MoreDrbgParameters.strength:I
        81: .line 159
            aload 11 /* m */
            getfield sun.security.provider.MoreDrbgParameters.capability:Ljava/security/DrbgParameters$Capability;
            aload 11 /* m */
            getfield sun.security.provider.MoreDrbgParameters.personalizationString:[B
        82: .line 158
            invokestatic java.security.DrbgParameters.instantiation:(ILjava/security/DrbgParameters$Capability;[B)Ljava/security/DrbgParameters$Instantiation;
            astore 1 /* params */
        83: .line 162
            aload 11 /* m */
            getfield sun.security.provider.MoreDrbgParameters.es:Lsun/security/provider/EntropySource;
            astore 8 /* es */
        84: .line 163
            aload 11 /* m */
            getfield sun.security.provider.MoreDrbgParameters.nonce:[B
            astore 9 /* nonce */
        85: .line 165
            aload 11 /* m */
            getfield sun.security.provider.MoreDrbgParameters.mech:Ljava/lang/String;
            ifnull 87
        86: .line 166
            aload 11 /* m */
            getfield sun.security.provider.MoreDrbgParameters.mech:Ljava/lang/String;
            astore 2 /* mech */
        87: .line 168
      StackMap locals: sun.security.provider.MoreDrbgParameters
      StackMap stack:
            aload 11 /* m */
            getfield sun.security.provider.MoreDrbgParameters.algorithm:Ljava/lang/String;
            ifnull 89
        88: .line 169
            aload 11 /* m */
            getfield sun.security.provider.MoreDrbgParameters.algorithm:Ljava/lang/String;
            astore 4 /* algorithm */
        89: .line 171
      StackMap locals:
      StackMap stack:
            aload 11 /* m */
            getfield sun.security.provider.MoreDrbgParameters.usedf:Z
            invokestatic java.lang.Boolean.valueOf:(Z)Ljava/lang/Boolean;
            astore 3 /* usedf */
        end local 11 // sun.security.provider.MoreDrbgParameters m
        90: .line 173
      StackMap locals:
      StackMap stack:
            aload 1 /* params */
            instanceof java.security.DrbgParameters$Instantiation
            ifeq 99
        91: .line 175
            aload 1 /* params */
            checkcast java.security.DrbgParameters$Instantiation
        92: .line 174
            astore 11 /* dp */
        start local 11 // java.security.DrbgParameters$Instantiation dp
        93: .line 178
            aload 11 /* dp */
            invokevirtual java.security.DrbgParameters$Instantiation.getPersonalizationString:()[B
            astore 7 /* ps */
        94: .line 180
            aload 11 /* dp */
            invokevirtual java.security.DrbgParameters$Instantiation.getStrength:()I
            istore 12 /* tmp */
        start local 12 // int tmp
        95: .line 181
            iload 12 /* tmp */
            iconst_m1
            if_icmpeq 97
        96: .line 182
            iload 12 /* tmp */
            istore 5 /* strength */
        97: .line 184
      StackMap locals: java.security.DrbgParameters$Instantiation int
      StackMap stack:
            aload 11 /* dp */
            invokevirtual java.security.DrbgParameters$Instantiation.getCapability:()Ljava/security/DrbgParameters$Capability;
            astore 6 /* cap */
        end local 12 // int tmp
        end local 11 // java.security.DrbgParameters$Instantiation dp
        98: .line 185
            goto 102
        99: .line 186
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unsupported params: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
       100: .line 187
            aload 1 /* params */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
       101: .line 186
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
       102: .line 194
      StackMap locals:
      StackMap stack:
            aload 6 /* cap */
            ifnonnull 104
       103: .line 195
            getstatic java.security.DrbgParameters$Capability.NONE:Ljava/security/DrbgParameters$Capability;
            astore 6 /* cap */
       104: .line 197
      StackMap locals:
      StackMap stack:
            aload 2 /* mech */
            ifnonnull 106
       105: .line 198
            ldc "Hash_DRBG"
            astore 2 /* mech */
       106: .line 200
      StackMap locals:
      StackMap stack:
            aload 3 /* usedf */
            ifnonnull 108
       107: .line 201
            iconst_1
            invokestatic java.lang.Boolean.valueOf:(Z)Ljava/lang/Boolean;
            astore 3 /* usedf */
       108: .line 204
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            new sun.security.provider.MoreDrbgParameters
            dup
       109: .line 205
            aload 8 /* es */
            aload 2 /* mech */
            aload 4 /* algorithm */
            aload 9 /* nonce */
            aload 3 /* usedf */
            invokevirtual java.lang.Boolean.booleanValue:()Z
       110: .line 206
            iload 5 /* strength */
            aload 6 /* cap */
            aload 7 /* ps */
            invokestatic java.security.DrbgParameters.instantiation:(ILjava/security/DrbgParameters$Capability;[B)Ljava/security/DrbgParameters$Instantiation;
            invokespecial sun.security.provider.MoreDrbgParameters.<init>:(Lsun/security/provider/EntropySource;Ljava/lang/String;Ljava/lang/String;[BZLjava/security/DrbgParameters$Instantiation;)V
       111: .line 204
            putfield sun.security.provider.DRBG.mdp:Lsun/security/provider/MoreDrbgParameters;
       112: .line 208
            aload 0 /* this */
            invokevirtual sun.security.provider.DRBG.createImpl:()V
       113: .line 209
            return
        end local 10 // java.lang.String config
        end local 9 // byte[] nonce
        end local 8 // sun.security.provider.EntropySource es
        end local 7 // byte[] ps
        end local 6 // java.security.DrbgParameters$Capability cap
        end local 5 // int strength
        end local 4 // java.lang.String algorithm
        end local 3 // java.lang.Boolean usedf
        end local 2 // java.lang.String mech
        end local 1 // java.security.SecureRandomParameters params
        end local 0 // sun.security.provider.DRBG this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0  114     0       this  Lsun/security/provider/DRBG;
            0  114     1     params  Ljava/security/SecureRandomParameters;
            2  114     2       mech  Ljava/lang/String;
            3  114     3      usedf  Ljava/lang/Boolean;
            4  114     4  algorithm  Ljava/lang/String;
            5  114     5   strength  I
            6  114     6        cap  Ljava/security/DrbgParameters$Capability;
            7  114     7         ps  [B
            8  114     8         es  Lsun/security/provider/EntropySource;
            9  114     9      nonce  [B
           11  114    10     config  Ljava/lang/String;
           14   75    11       part  Ljava/lang/String;
           59   69    16        tmp  I
           80   90    11          m  Lsun/security/provider/MoreDrbgParameters;
           93   98    11         dp  Ljava/security/DrbgParameters$Instantiation;
           95   98    12        tmp  I
      Exception table:
        from    to  target  type
          58    69      70  Class java.lang.NumberFormatException
    MethodParameters:
        Name  Flags
      params  

  private void createImpl();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // sun.security.provider.DRBG this
         0: .line 212
            aload 0 /* this */
            getfield sun.security.provider.DRBG.mdp:Lsun/security/provider/MoreDrbgParameters;
            getfield sun.security.provider.MoreDrbgParameters.mech:Ljava/lang/String;
            getstatic java.util.Locale.ROOT:Ljava/util/Locale;
            invokevirtual java.lang.String.toLowerCase:(Ljava/util/Locale;)Ljava/lang/String;
            dup
            astore 1
            invokevirtual java.lang.String.hashCode:()I
            lookupswitch { // 3
           -329674575: 1
            309173732: 2
            809718443: 3
              default: 10
          }
      StackMap locals: java.lang.String
      StackMap stack:
         1: aload 1
            ldc "ctr_drbg"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 8
            goto 10
      StackMap locals:
      StackMap stack:
         2: aload 1
            ldc "hash_drbg"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 4
            goto 10
      StackMap locals:
      StackMap stack:
         3: aload 1
            ldc "hmac_drbg"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 6
            goto 10
         4: .line 214
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            new sun.security.provider.HashDrbg
            dup
            aload 0 /* this */
            getfield sun.security.provider.DRBG.mdp:Lsun/security/provider/MoreDrbgParameters;
            invokespecial sun.security.provider.HashDrbg.<init>:(Ljava/security/SecureRandomParameters;)V
            putfield sun.security.provider.DRBG.impl:Lsun/security/provider/AbstractDrbg;
         5: .line 215
            goto 11
         6: .line 217
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            new sun.security.provider.HmacDrbg
            dup
            aload 0 /* this */
            getfield sun.security.provider.DRBG.mdp:Lsun/security/provider/MoreDrbgParameters;
            invokespecial sun.security.provider.HmacDrbg.<init>:(Ljava/security/SecureRandomParameters;)V
            putfield sun.security.provider.DRBG.impl:Lsun/security/provider/AbstractDrbg;
         7: .line 218
            goto 11
         8: .line 220
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            new sun.security.provider.CtrDrbg
            dup
            aload 0 /* this */
            getfield sun.security.provider.DRBG.mdp:Lsun/security/provider/MoreDrbgParameters;
            invokespecial sun.security.provider.CtrDrbg.<init>:(Ljava/security/SecureRandomParameters;)V
            putfield sun.security.provider.DRBG.impl:Lsun/security/provider/AbstractDrbg;
         9: .line 221
            goto 11
        10: .line 223
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unsupported mech: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield sun.security.provider.DRBG.mdp:Lsun/security/provider/MoreDrbgParameters;
            getfield sun.security.provider.MoreDrbgParameters.mech:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        11: .line 225
      StackMap locals:
      StackMap stack:
            return
        end local 0 // sun.security.provider.DRBG this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   12     0  this  Lsun/security/provider/DRBG;

  protected void engineSetSeed(byte[]);
    descriptor: ([B)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // sun.security.provider.DRBG this
        start local 1 // byte[] seed
         0: .line 229
            aload 0 /* this */
            getfield sun.security.provider.DRBG.impl:Lsun/security/provider/AbstractDrbg;
            aload 1 /* seed */
            invokevirtual sun.security.provider.AbstractDrbg.engineSetSeed:([B)V
         1: .line 230
            return
        end local 1 // byte[] seed
        end local 0 // sun.security.provider.DRBG this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lsun/security/provider/DRBG;
            0    2     1  seed  [B
    MethodParameters:
      Name  Flags
      seed  

  protected void engineNextBytes(byte[]);
    descriptor: ([B)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // sun.security.provider.DRBG this
        start local 1 // byte[] bytes
         0: .line 234
            aload 0 /* this */
            getfield sun.security.provider.DRBG.impl:Lsun/security/provider/AbstractDrbg;
            aload 1 /* bytes */
            invokevirtual sun.security.provider.AbstractDrbg.engineNextBytes:([B)V
         1: .line 235
            return
        end local 1 // byte[] bytes
        end local 0 // sun.security.provider.DRBG this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lsun/security/provider/DRBG;
            0    2     1  bytes  [B
    MethodParameters:
       Name  Flags
      bytes  

  protected byte[] engineGenerateSeed(int);
    descriptor: (I)[B
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // sun.security.provider.DRBG this
        start local 1 // int numBytes
         0: .line 239
            aload 0 /* this */
            getfield sun.security.provider.DRBG.impl:Lsun/security/provider/AbstractDrbg;
            iload 1 /* numBytes */
            invokevirtual sun.security.provider.AbstractDrbg.engineGenerateSeed:(I)[B
            areturn
        end local 1 // int numBytes
        end local 0 // sun.security.provider.DRBG this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0      this  Lsun/security/provider/DRBG;
            0    1     1  numBytes  I
    MethodParameters:
          Name  Flags
      numBytes  

  protected void engineNextBytes(byte[], java.security.SecureRandomParameters);
    descriptor: ([BLjava/security/SecureRandomParameters;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // sun.security.provider.DRBG this
        start local 1 // byte[] bytes
        start local 2 // java.security.SecureRandomParameters params
         0: .line 245
            aload 0 /* this */
            getfield sun.security.provider.DRBG.impl:Lsun/security/provider/AbstractDrbg;
            aload 1 /* bytes */
            aload 2 /* params */
            invokevirtual sun.security.provider.AbstractDrbg.engineNextBytes:([BLjava/security/SecureRandomParameters;)V
         1: .line 246
            return
        end local 2 // java.security.SecureRandomParameters params
        end local 1 // byte[] bytes
        end local 0 // sun.security.provider.DRBG this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lsun/security/provider/DRBG;
            0    2     1   bytes  [B
            0    2     2  params  Ljava/security/SecureRandomParameters;
    MethodParameters:
        Name  Flags
      bytes   
      params  

  protected void engineReseed(java.security.SecureRandomParameters);
    descriptor: (Ljava/security/SecureRandomParameters;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // sun.security.provider.DRBG this
        start local 1 // java.security.SecureRandomParameters params
         0: .line 250
            aload 0 /* this */
            getfield sun.security.provider.DRBG.impl:Lsun/security/provider/AbstractDrbg;
            aload 1 /* params */
            invokevirtual sun.security.provider.AbstractDrbg.engineReseed:(Ljava/security/SecureRandomParameters;)V
         1: .line 251
            return
        end local 1 // java.security.SecureRandomParameters params
        end local 0 // sun.security.provider.DRBG this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lsun/security/provider/DRBG;
            0    2     1  params  Ljava/security/SecureRandomParameters;
    MethodParameters:
        Name  Flags
      params  

  protected java.security.SecureRandomParameters engineGetParameters();
    descriptor: ()Ljava/security/SecureRandomParameters;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.provider.DRBG this
         0: .line 255
            aload 0 /* this */
            getfield sun.security.provider.DRBG.impl:Lsun/security/provider/AbstractDrbg;
            invokevirtual sun.security.provider.AbstractDrbg.engineGetParameters:()Ljava/security/SecureRandomParameters;
            areturn
        end local 0 // sun.security.provider.DRBG this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/provider/DRBG;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.provider.DRBG this
         0: .line 260
            aload 0 /* this */
            getfield sun.security.provider.DRBG.impl:Lsun/security/provider/AbstractDrbg;
            invokevirtual sun.security.provider.AbstractDrbg.toString:()Ljava/lang/String;
            areturn
        end local 0 // sun.security.provider.DRBG this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/provider/DRBG;

  private static void checkTwice(boolean, java.lang.String);
    descriptor: (ZLjava/lang/String;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // boolean flag
        start local 1 // java.lang.String name
         0: .line 271
            iload 0 /* flag */
            ifeq 4
         1: .line 272
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            aload 1 /* name */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         2: .line 273
            ldc " cannot be provided more than once in "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "securerandom.drbg.config"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         3: .line 272
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 275
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.lang.String name
        end local 0 // boolean flag
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  flag  Z
            0    5     1  name  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      flag  
      name  

  private void readObject(java.io.ObjectInputStream);
    descriptor: (Ljava/io/ObjectInputStream;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // sun.security.provider.DRBG this
        start local 1 // java.io.ObjectInputStream s
         0: .line 280
            aload 1 /* s */
            invokevirtual java.io.ObjectInputStream.defaultReadObject:()V
         1: .line 281
            aload 0 /* this */
            getfield sun.security.provider.DRBG.mdp:Lsun/security/provider/MoreDrbgParameters;
            getfield sun.security.provider.MoreDrbgParameters.mech:Ljava/lang/String;
            ifnonnull 3
         2: .line 282
            new java.lang.IllegalArgumentException
            dup
            ldc "Input data is corrupted"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 284
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual sun.security.provider.DRBG.createImpl:()V
         4: .line 285
            return
        end local 1 // java.io.ObjectInputStream s
        end local 0 // sun.security.provider.DRBG this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lsun/security/provider/DRBG;
            0    5     1     s  Ljava/io/ObjectInputStream;
    Exceptions:
      throws java.io.IOException, java.lang.ClassNotFoundException
    MethodParameters:
      Name  Flags
      s     

  private static java.lang.String lambda$0();
    descriptor: ()Ljava/lang/String;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 97
            ldc "securerandom.drbg.config"
            invokestatic java.security.Security.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "DRBG.java"
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  public final Capability = java.security.DrbgParameters$Capability of java.security.DrbgParameters
  public final Instantiation = java.security.DrbgParameters$Instantiation of java.security.DrbgParameters
/

java/ 15/ java.base/sun/security/provider/DRBG.class
