final class sun.security.ssl.DHKeyExchange$DHEPossessionGenerator implements sun.security.ssl.SSLPossessionGenerator
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: sun.security.ssl.DHKeyExchange$DHEPossessionGenerator
  super_class: java.lang.Object
{
  private static final boolean useSmartEphemeralDHKeys;
    descriptor: Z
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final boolean useLegacyEphemeralDHKeys;
    descriptor: Z
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int customizedDHKeySize;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final boolean exportable;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=5, locals=1, args_size=0
         0: .line 255
            ldc "jdk.tls.ephemeralDHKeySize"
         1: .line 254
            invokestatic sun.security.action.GetPropertyAction.privilegedGetProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 0 /* property */
        start local 0 // java.lang.String property
         2: .line 256
            aload 0 /* property */
            ifnull 3
            aload 0 /* property */
            invokevirtual java.lang.String.isEmpty:()Z
            ifeq 7
         3: .line 257
      StackMap locals: java.lang.String
      StackMap stack:
            iconst_0
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.useLegacyEphemeralDHKeys:Z
         4: .line 258
            iconst_0
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.useSmartEphemeralDHKeys:Z
         5: .line 259
            iconst_m1
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.customizedDHKeySize:I
         6: .line 260
            goto 34
      StackMap locals:
      StackMap stack:
         7: ldc "matched"
            aload 0 /* property */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 12
         8: .line 261
            iconst_0
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.useLegacyEphemeralDHKeys:Z
         9: .line 262
            iconst_1
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.useSmartEphemeralDHKeys:Z
        10: .line 263
            iconst_m1
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.customizedDHKeySize:I
        11: .line 264
            goto 34
      StackMap locals:
      StackMap stack:
        12: ldc "legacy"
            aload 0 /* property */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 17
        13: .line 265
            iconst_1
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.useLegacyEphemeralDHKeys:Z
        14: .line 266
            iconst_0
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.useSmartEphemeralDHKeys:Z
        15: .line 267
            iconst_m1
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.customizedDHKeySize:I
        16: .line 268
            goto 34
        17: .line 269
      StackMap locals:
      StackMap stack:
            iconst_0
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.useLegacyEphemeralDHKeys:Z
        18: .line 270
            iconst_0
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.useSmartEphemeralDHKeys:Z
        19: .line 276
            aload 0 /* property */
            invokestatic java.lang.Integer.parseUnsignedInt:(Ljava/lang/String;)I
            putstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.customizedDHKeySize:I
        20: .line 277
            getstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.customizedDHKeySize:I
            sipush 1024
            if_icmplt 23
        21: .line 278
            getstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.customizedDHKeySize:I
            sipush 8192
            if_icmpgt 23
        22: .line 279
            getstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.customizedDHKeySize:I
            bipush 63
            iand
            ifeq 34
        23: .line 280
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
        24: .line 281
            new java.lang.StringBuilder
            dup
            ldc "Unsupported customized DH key size: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        25: .line 282
            getstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.customizedDHKeySize:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc ". "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        26: .line 283
            ldc "The key size must be multiple of 64, "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        27: .line 284
            ldc "and range from 1024 to 8192 (inclusive)"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        28: .line 281
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        29: .line 280
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        30: .line 286
      StackMap locals:
      StackMap stack: java.lang.NumberFormatException
            pop
        31: .line 287
            new java.lang.IllegalArgumentException
            dup
        32: .line 288
            ldc "Invalid system property jdk.tls.ephemeralDHKeySize"
        33: .line 287
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // java.lang.String property
        34: .line 291
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            2   34     0  property  Ljava/lang/String;
      Exception table:
        from    to  target  type
          19    30      30  Class java.lang.NumberFormatException

  private void <init>(boolean);
    descriptor: (Z)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // sun.security.ssl.DHKeyExchange$DHEPossessionGenerator this
        start local 1 // boolean exportable
         0: .line 294
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 295
            aload 0 /* this */
            iload 1 /* exportable */
            putfield sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.exportable:Z
         2: .line 296
            return
        end local 1 // boolean exportable
        end local 0 // sun.security.ssl.DHKeyExchange$DHEPossessionGenerator this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0        this  Lsun/security/ssl/DHKeyExchange$DHEPossessionGenerator;
            0    3     1  exportable  Z
    MethodParameters:
            Name  Flags
      exportable  

  public sun.security.ssl.SSLPossession createPossession(sun.security.ssl.HandshakeContext);
    descriptor: (Lsun/security/ssl/HandshakeContext;)Lsun/security/ssl/SSLPossession;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=7, args_size=2
        start local 0 // sun.security.ssl.DHKeyExchange$DHEPossessionGenerator this
        start local 1 // sun.security.ssl.HandshakeContext context
         0: .line 301
            aconst_null
            astore 2 /* preferableNamedGroup */
        start local 2 // sun.security.ssl.SupportedGroupsExtension$NamedGroup preferableNamedGroup
         1: .line 302
            getstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.useLegacyEphemeralDHKeys:Z
            ifne 14
         2: .line 303
            aload 1 /* context */
            getfield sun.security.ssl.HandshakeContext.clientRequestedNamedGroups:Ljava/util/List;
            ifnull 14
         3: .line 304
            aload 1 /* context */
            getfield sun.security.ssl.HandshakeContext.clientRequestedNamedGroups:Ljava/util/List;
            invokeinterface java.util.List.isEmpty:()Z
            ifne 14
         4: .line 307
            aload 1 /* context */
            getfield sun.security.ssl.HandshakeContext.negotiatedProtocol:Lsun/security/ssl/ProtocolVersion;
         5: .line 308
            aload 1 /* context */
            getfield sun.security.ssl.HandshakeContext.algorithmConstraints:Ljava/security/AlgorithmConstraints;
         6: .line 309
            getstatic sun.security.ssl.SupportedGroupsExtension$NamedGroupType.NAMED_GROUP_FFDHE:Lsun/security/ssl/SupportedGroupsExtension$NamedGroupType;
         7: .line 310
            aload 1 /* context */
            getfield sun.security.ssl.HandshakeContext.clientRequestedNamedGroups:Ljava/util/List;
         8: .line 306
            invokestatic sun.security.ssl.SupportedGroupsExtension$SupportedGroups.getPreferredGroup:(Lsun/security/ssl/ProtocolVersion;Ljava/security/AlgorithmConstraints;Lsun/security/ssl/SupportedGroupsExtension$NamedGroupType;Ljava/util/List;)Lsun/security/ssl/SupportedGroupsExtension$NamedGroup;
         9: .line 305
            astore 2 /* preferableNamedGroup */
        10: .line 311
            aload 2 /* preferableNamedGroup */
            ifnull 14
        11: .line 312
            new sun.security.ssl.DHKeyExchange$DHEPossession
            dup
            aload 2 /* preferableNamedGroup */
        12: .line 313
            aload 1 /* context */
            getfield sun.security.ssl.HandshakeContext.sslContext:Lsun/security/ssl/SSLContextImpl;
            invokevirtual sun.security.ssl.SSLContextImpl.getSecureRandom:()Ljava/security/SecureRandom;
        13: .line 312
            invokespecial sun.security.ssl.DHKeyExchange$DHEPossession.<init>:(Lsun/security/ssl/SupportedGroupsExtension$NamedGroup;Ljava/security/SecureRandom;)V
            areturn
        14: .line 356
      StackMap locals: sun.security.ssl.SupportedGroupsExtension$NamedGroup
      StackMap stack:
            aload 0 /* this */
            getfield sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.exportable:Z
            ifeq 15
            sipush 512
            goto 16
      StackMap locals:
      StackMap stack:
        15: sipush 1024
      StackMap locals:
      StackMap stack: int
        16: istore 3 /* keySize */
        start local 3 // int keySize
        17: .line 357
            aload 0 /* this */
            getfield sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.exportable:Z
            ifne 35
        18: .line 358
            getstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.useLegacyEphemeralDHKeys:Z
            ifeq 21
        19: .line 359
            sipush 768
            istore 3 /* keySize */
        20: .line 360
            goto 35
      StackMap locals: int
      StackMap stack:
        21: getstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.useSmartEphemeralDHKeys:Z
            ifeq 33
        22: .line 361
            aconst_null
            astore 4 /* key */
        start local 4 // java.security.PrivateKey key
        23: .line 363
            aload 1 /* context */
            checkcast sun.security.ssl.ServerHandshakeContext
        24: .line 362
            astore 5 /* shc */
        start local 5 // sun.security.ssl.ServerHandshakeContext shc
        25: .line 364
            aload 5 /* shc */
            getfield sun.security.ssl.ServerHandshakeContext.interimAuthn:Lsun/security/ssl/SSLPossession;
            instanceof sun.security.ssl.X509Authentication$X509Possession
            ifeq 27
        26: .line 365
            aload 5 /* shc */
            getfield sun.security.ssl.ServerHandshakeContext.interimAuthn:Lsun/security/ssl/SSLPossession;
            checkcast sun.security.ssl.X509Authentication$X509Possession
            getfield sun.security.ssl.X509Authentication$X509Possession.popPrivateKey:Ljava/security/PrivateKey;
            astore 4 /* key */
        27: .line 368
      StackMap locals: java.security.PrivateKey sun.security.ssl.ServerHandshakeContext
      StackMap stack:
            aload 4 /* key */
            ifnull 35
        28: .line 369
            aload 4 /* key */
            invokestatic sun.security.util.KeyUtil.getKeySize:(Ljava/security/Key;)I
            istore 6 /* ks */
        start local 6 // int ks
        29: .line 381
            iload 6 /* ks */
            sipush 1024
            if_icmpgt 30
            sipush 1024
            goto 31
      StackMap locals: int
      StackMap stack:
        30: sipush 2048
      StackMap locals:
      StackMap stack: int
        31: istore 3 /* keySize */
        end local 6 // int ks
        end local 5 // sun.security.ssl.ServerHandshakeContext shc
        end local 4 // java.security.PrivateKey key
        32: .line 383
            goto 35
      StackMap locals:
      StackMap stack:
        33: getstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.customizedDHKeySize:I
            ifle 35
        34: .line 384
            getstatic sun.security.ssl.DHKeyExchange$DHEPossessionGenerator.customizedDHKeySize:I
            istore 3 /* keySize */
        35: .line 388
      StackMap locals:
      StackMap stack:
            new sun.security.ssl.DHKeyExchange$DHEPossession
            dup
        36: .line 389
            iload 3 /* keySize */
            aload 1 /* context */
            getfield sun.security.ssl.HandshakeContext.sslContext:Lsun/security/ssl/SSLContextImpl;
            invokevirtual sun.security.ssl.SSLContextImpl.getSecureRandom:()Ljava/security/SecureRandom;
        37: .line 388
            invokespecial sun.security.ssl.DHKeyExchange$DHEPossession.<init>:(ILjava/security/SecureRandom;)V
            areturn
        end local 3 // int keySize
        end local 2 // sun.security.ssl.SupportedGroupsExtension$NamedGroup preferableNamedGroup
        end local 1 // sun.security.ssl.HandshakeContext context
        end local 0 // sun.security.ssl.DHKeyExchange$DHEPossessionGenerator this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0   38     0                  this  Lsun/security/ssl/DHKeyExchange$DHEPossessionGenerator;
            0   38     1               context  Lsun/security/ssl/HandshakeContext;
            1   38     2  preferableNamedGroup  Lsun/security/ssl/SupportedGroupsExtension$NamedGroup;
           17   38     3               keySize  I
           23   32     4                   key  Ljava/security/PrivateKey;
           25   32     5                   shc  Lsun/security/ssl/ServerHandshakeContext;
           29   32     6                    ks  I
    MethodParameters:
         Name  Flags
      context  
}
SourceFile: "DHKeyExchange.java"
NestHost: sun.security.ssl.DHKeyExchange
InnerClasses:
  final DHEPossession = sun.security.ssl.DHKeyExchange$DHEPossession of sun.security.ssl.DHKeyExchange
  private final DHEPossessionGenerator = sun.security.ssl.DHKeyExchange$DHEPossessionGenerator of sun.security.ssl.DHKeyExchange
  final NamedGroup = sun.security.ssl.SupportedGroupsExtension$NamedGroup of sun.security.ssl.SupportedGroupsExtension
  final NamedGroupType = sun.security.ssl.SupportedGroupsExtension$NamedGroupType of sun.security.ssl.SupportedGroupsExtension
  SupportedGroups = sun.security.ssl.SupportedGroupsExtension$SupportedGroups of sun.security.ssl.SupportedGroupsExtension
  final X509Possession = sun.security.ssl.X509Authentication$X509Possession of sun.security.ssl.X509Authentication