https://openjdk.java.net/ 
class sun.security.provider.certpath.BasicChecker extends java.security.cert.PKIXCertPathChecker
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: sun.security.provider.certpath.BasicChecker
  super_class: java.security.cert.PKIXCertPathChecker
{
  private static final sun.security.util.Debug debug;
    descriptor: Lsun/security/util/Debug;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final java.security.PublicKey trustedPubKey;
    descriptor: Ljava/security/PublicKey;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final javax.security.auth.x500.X500Principal caName;
    descriptor: Ljavax/security/auth/x500/X500Principal;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.Date date;
    descriptor: Ljava/util/Date;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.String sigProvider;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  private javax.security.auth.x500.X500Principal prevSubject;
    descriptor: Ljavax/security/auth/x500/X500Principal;
    flags: (0x0002) ACC_PRIVATE

  private java.security.PublicKey prevPubKey;
    descriptor: Ljava/security/PublicKey;
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 62
            ldc "certpath"
            invokestatic sun.security.util.Debug.getInstance:(Ljava/lang/String;)Lsun/security/util/Debug;
            putstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(java.security.cert.TrustAnchor, java.util.Date, java.lang.String, boolean);
    descriptor: (Ljava/security/cert/TrustAnchor;Ljava/util/Date;Ljava/lang/String;Z)V
    flags: (0x0000) 
    Code:
      stack=2, locals=5, args_size=5
        start local 0 // sun.security.provider.certpath.BasicChecker this
        start local 1 // java.security.cert.TrustAnchor anchor
        start local 2 // java.util.Date date
        start local 3 // java.lang.String sigProvider
        start local 4 // boolean sigOnly
         0: .line 81
            aload 0 /* this */
            invokespecial java.security.cert.PKIXCertPathChecker.<init>:()V
         1: .line 83
            aload 1 /* anchor */
            invokevirtual java.security.cert.TrustAnchor.getTrustedCert:()Ljava/security/cert/X509Certificate;
            ifnull 5
         2: .line 84
            aload 0 /* this */
            aload 1 /* anchor */
            invokevirtual java.security.cert.TrustAnchor.getTrustedCert:()Ljava/security/cert/X509Certificate;
            invokevirtual java.security.cert.X509Certificate.getPublicKey:()Ljava/security/PublicKey;
            putfield sun.security.provider.certpath.BasicChecker.trustedPubKey:Ljava/security/PublicKey;
         3: .line 85
            aload 0 /* this */
            aload 1 /* anchor */
            invokevirtual java.security.cert.TrustAnchor.getTrustedCert:()Ljava/security/cert/X509Certificate;
            invokevirtual java.security.cert.X509Certificate.getSubjectX500Principal:()Ljavax/security/auth/x500/X500Principal;
            putfield sun.security.provider.certpath.BasicChecker.caName:Ljavax/security/auth/x500/X500Principal;
         4: .line 86
            goto 7
         5: .line 87
      StackMap locals: sun.security.provider.certpath.BasicChecker java.security.cert.TrustAnchor java.util.Date java.lang.String int
      StackMap stack:
            aload 0 /* this */
            aload 1 /* anchor */
            invokevirtual java.security.cert.TrustAnchor.getCAPublicKey:()Ljava/security/PublicKey;
            putfield sun.security.provider.certpath.BasicChecker.trustedPubKey:Ljava/security/PublicKey;
         6: .line 88
            aload 0 /* this */
            aload 1 /* anchor */
            invokevirtual java.security.cert.TrustAnchor.getCA:()Ljavax/security/auth/x500/X500Principal;
            putfield sun.security.provider.certpath.BasicChecker.caName:Ljavax/security/auth/x500/X500Principal;
         7: .line 90
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 2 /* date */
            putfield sun.security.provider.certpath.BasicChecker.date:Ljava/util/Date;
         8: .line 91
            aload 0 /* this */
            aload 3 /* sigProvider */
            putfield sun.security.provider.certpath.BasicChecker.sigProvider:Ljava/lang/String;
         9: .line 92
            aload 0 /* this */
            iload 4 /* sigOnly */
            putfield sun.security.provider.certpath.BasicChecker.sigOnly:Z
        10: .line 93
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.trustedPubKey:Ljava/security/PublicKey;
            putfield sun.security.provider.certpath.BasicChecker.prevPubKey:Ljava/security/PublicKey;
        11: .line 94
            return
        end local 4 // boolean sigOnly
        end local 3 // java.lang.String sigProvider
        end local 2 // java.util.Date date
        end local 1 // java.security.cert.TrustAnchor anchor
        end local 0 // sun.security.provider.certpath.BasicChecker this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   12     0         this  Lsun/security/provider/certpath/BasicChecker;
            0   12     1       anchor  Ljava/security/cert/TrustAnchor;
            0   12     2         date  Ljava/util/Date;
            0   12     3  sigProvider  Ljava/lang/String;
            0   12     4      sigOnly  Z
    MethodParameters:
             Name  Flags
      anchor       
      date         
      sigProvider  
      sigOnly      

  public void init(boolean);
    descriptor: (Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // sun.security.provider.certpath.BasicChecker this
        start local 1 // boolean forward
         0: .line 102
            iload 1 /* forward */
            ifne 6
         1: .line 103
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.trustedPubKey:Ljava/security/PublicKey;
            putfield sun.security.provider.certpath.BasicChecker.prevPubKey:Ljava/security/PublicKey;
         2: .line 104
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.prevPubKey:Ljava/security/PublicKey;
            invokestatic sun.security.provider.certpath.PKIX.isDSAPublicKeyWithoutParams:(Ljava/security/PublicKey;)Z
            ifeq 4
         3: .line 108
            new java.security.cert.CertPathValidatorException
            dup
            ldc "Key parameters missing"
            invokespecial java.security.cert.CertPathValidatorException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 110
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.caName:Ljavax/security/auth/x500/X500Principal;
            putfield sun.security.provider.certpath.BasicChecker.prevSubject:Ljavax/security/auth/x500/X500Principal;
         5: .line 111
            goto 8
         6: .line 113
      StackMap locals:
      StackMap stack:
            new java.security.cert.CertPathValidatorException
            dup
            ldc "forward checking not supported"
         7: .line 112
            invokespecial java.security.cert.CertPathValidatorException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 115
      StackMap locals:
      StackMap stack:
            return
        end local 1 // boolean forward
        end local 0 // sun.security.provider.certpath.BasicChecker this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    9     0     this  Lsun/security/provider/certpath/BasicChecker;
            0    9     1  forward  Z
    Exceptions:
      throws java.security.cert.CertPathValidatorException
    MethodParameters:
         Name  Flags
      forward  

  public boolean isForwardCheckingSupported();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.provider.certpath.BasicChecker this
         0: .line 119
            iconst_0
            ireturn
        end local 0 // sun.security.provider.certpath.BasicChecker this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/provider/certpath/BasicChecker;

  public java.util.Set<java.lang.String> getSupportedExtensions();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.provider.certpath.BasicChecker this
         0: .line 124
            aconst_null
            areturn
        end local 0 // sun.security.provider.certpath.BasicChecker this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/provider/certpath/BasicChecker;
    Signature: ()Ljava/util/Set<Ljava/lang/String;>;

  public void check(java.security.cert.Certificate, java.util.Collection<java.lang.String>);
    descriptor: (Ljava/security/cert/Certificate;Ljava/util/Collection;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=3
        start local 0 // sun.security.provider.certpath.BasicChecker this
        start local 1 // java.security.cert.Certificate cert
        start local 2 // java.util.Collection unresolvedCritExts
         0: .line 141
            aload 1 /* cert */
            checkcast java.security.cert.X509Certificate
            astore 3 /* currCert */
        start local 3 // java.security.cert.X509Certificate currCert
         1: .line 143
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.sigOnly:Z
            ifne 4
         2: .line 144
            aload 0 /* this */
            aload 3 /* currCert */
            invokevirtual sun.security.provider.certpath.BasicChecker.verifyValidity:(Ljava/security/cert/X509Certificate;)V
         3: .line 145
            aload 0 /* this */
            aload 3 /* currCert */
            invokevirtual sun.security.provider.certpath.BasicChecker.verifyNameChaining:(Ljava/security/cert/X509Certificate;)V
         4: .line 147
      StackMap locals: java.security.cert.X509Certificate
      StackMap stack:
            aload 0 /* this */
            aload 3 /* currCert */
            invokevirtual sun.security.provider.certpath.BasicChecker.verifySignature:(Ljava/security/cert/X509Certificate;)V
         5: .line 149
            aload 0 /* this */
            aload 3 /* currCert */
            invokevirtual sun.security.provider.certpath.BasicChecker.updateState:(Ljava/security/cert/X509Certificate;)V
         6: .line 150
            return
        end local 3 // java.security.cert.X509Certificate currCert
        end local 2 // java.util.Collection unresolvedCritExts
        end local 1 // java.security.cert.Certificate cert
        end local 0 // sun.security.provider.certpath.BasicChecker this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    7     0                this  Lsun/security/provider/certpath/BasicChecker;
            0    7     1                cert  Ljava/security/cert/Certificate;
            0    7     2  unresolvedCritExts  Ljava/util/Collection<Ljava/lang/String;>;
            1    7     3            currCert  Ljava/security/cert/X509Certificate;
    Exceptions:
      throws java.security.cert.CertPathValidatorException
    Signature: (Ljava/security/cert/Certificate;Ljava/util/Collection<Ljava/lang/String;>;)V
    MethodParameters:
                    Name  Flags
      cert                
      unresolvedCritExts  

  private void verifySignature(java.security.cert.X509Certificate);
    descriptor: (Ljava/security/cert/X509Certificate;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=7, locals=4, args_size=2
        start local 0 // sun.security.provider.certpath.BasicChecker this
        start local 1 // java.security.cert.X509Certificate cert
         0: .line 161
            ldc "signature"
            astore 2 /* msg */
        start local 2 // java.lang.String msg
         1: .line 162
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            ifnull 3
         2: .line 163
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            new java.lang.StringBuilder
            dup
            ldc "---checking "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* msg */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "..."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
         3: .line 166
      StackMap locals: java.lang.String
      StackMap stack:
            aload 1 /* cert */
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.prevPubKey:Ljava/security/PublicKey;
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.sigProvider:Ljava/lang/String;
            invokevirtual java.security.cert.X509Certificate.verify:(Ljava/security/PublicKey;Ljava/lang/String;)V
         4: .line 167
            goto 12
      StackMap locals:
      StackMap stack: java.security.SignatureException
         5: astore 3 /* e */
        start local 3 // java.security.SignatureException e
         6: .line 168
            new java.security.cert.CertPathValidatorException
            dup
         7: .line 169
            new java.lang.StringBuilder
            dup
            aload 2 /* msg */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " check failed"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 3 /* e */
            aconst_null
            iconst_m1
         8: .line 170
            getstatic java.security.cert.CertPathValidatorException$BasicReason.INVALID_SIGNATURE:Ljava/security/cert/CertPathValidatorException$BasicReason;
         9: .line 168
            invokespecial java.security.cert.CertPathValidatorException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;Ljava/security/cert/CertPath;ILjava/security/cert/CertPathValidatorException$Reason;)V
            athrow
        end local 3 // java.security.SignatureException e
        10: .line 171
      StackMap locals:
      StackMap stack: java.security.GeneralSecurityException
            astore 3 /* e */
        start local 3 // java.security.GeneralSecurityException e
        11: .line 172
            new java.security.cert.CertPathValidatorException
            dup
            new java.lang.StringBuilder
            dup
            aload 2 /* msg */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " check failed"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 3 /* e */
            invokespecial java.security.cert.CertPathValidatorException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.security.GeneralSecurityException e
        12: .line 175
      StackMap locals:
      StackMap stack:
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            ifnull 14
        13: .line 176
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            new java.lang.StringBuilder
            dup
            aload 2 /* msg */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " verified."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
        14: .line 177
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.lang.String msg
        end local 1 // java.security.cert.X509Certificate cert
        end local 0 // sun.security.provider.certpath.BasicChecker this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   15     0  this  Lsun/security/provider/certpath/BasicChecker;
            0   15     1  cert  Ljava/security/cert/X509Certificate;
            1   15     2   msg  Ljava/lang/String;
            6   10     3     e  Ljava/security/SignatureException;
           11   12     3     e  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
           3     4       5  Class java.security.SignatureException
           3     4      10  Class java.security.GeneralSecurityException
    Exceptions:
      throws java.security.cert.CertPathValidatorException
    MethodParameters:
      Name  Flags
      cert  

  private void verifyValidity(java.security.cert.X509Certificate);
    descriptor: (Ljava/security/cert/X509Certificate;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=7, locals=4, args_size=2
        start local 0 // sun.security.provider.certpath.BasicChecker this
        start local 1 // java.security.cert.X509Certificate cert
         0: .line 185
            ldc "validity"
            astore 2 /* msg */
        start local 2 // java.lang.String msg
         1: .line 186
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            ifnull 3
         2: .line 187
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            new java.lang.StringBuilder
            dup
            ldc "---checking "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* msg */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc ":"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.date:Ljava/util/Date;
            invokevirtual java.util.Date.toString:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "..."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
         3: .line 190
      StackMap locals: java.lang.String
      StackMap stack:
            aload 1 /* cert */
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.date:Ljava/util/Date;
            invokevirtual java.security.cert.X509Certificate.checkValidity:(Ljava/util/Date;)V
         4: .line 191
            goto 13
      StackMap locals:
      StackMap stack: java.security.cert.CertificateExpiredException
         5: astore 3 /* e */
        start local 3 // java.security.cert.CertificateExpiredException e
         6: .line 192
            new java.security.cert.CertPathValidatorException
            dup
         7: .line 193
            new java.lang.StringBuilder
            dup
            aload 2 /* msg */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " check failed"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 3 /* e */
            aconst_null
            iconst_m1
            getstatic java.security.cert.CertPathValidatorException$BasicReason.EXPIRED:Ljava/security/cert/CertPathValidatorException$BasicReason;
         8: .line 192
            invokespecial java.security.cert.CertPathValidatorException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;Ljava/security/cert/CertPath;ILjava/security/cert/CertPathValidatorException$Reason;)V
            athrow
        end local 3 // java.security.cert.CertificateExpiredException e
         9: .line 194
      StackMap locals:
      StackMap stack: java.security.cert.CertificateNotYetValidException
            astore 3 /* e */
        start local 3 // java.security.cert.CertificateNotYetValidException e
        10: .line 195
            new java.security.cert.CertPathValidatorException
            dup
        11: .line 196
            new java.lang.StringBuilder
            dup
            aload 2 /* msg */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " check failed"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 3 /* e */
            aconst_null
            iconst_m1
            getstatic java.security.cert.CertPathValidatorException$BasicReason.NOT_YET_VALID:Ljava/security/cert/CertPathValidatorException$BasicReason;
        12: .line 195
            invokespecial java.security.cert.CertPathValidatorException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;Ljava/security/cert/CertPath;ILjava/security/cert/CertPathValidatorException$Reason;)V
            athrow
        end local 3 // java.security.cert.CertificateNotYetValidException e
        13: .line 199
      StackMap locals:
      StackMap stack:
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            ifnull 15
        14: .line 200
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            new java.lang.StringBuilder
            dup
            aload 2 /* msg */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " verified."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
        15: .line 201
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.lang.String msg
        end local 1 // java.security.cert.X509Certificate cert
        end local 0 // sun.security.provider.certpath.BasicChecker this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   16     0  this  Lsun/security/provider/certpath/BasicChecker;
            0   16     1  cert  Ljava/security/cert/X509Certificate;
            1   16     2   msg  Ljava/lang/String;
            6    9     3     e  Ljava/security/cert/CertificateExpiredException;
           10   13     3     e  Ljava/security/cert/CertificateNotYetValidException;
      Exception table:
        from    to  target  type
           3     4       5  Class java.security.cert.CertificateExpiredException
           3     4       9  Class java.security.cert.CertificateNotYetValidException
    Exceptions:
      throws java.security.cert.CertPathValidatorException
    MethodParameters:
      Name  Flags
      cert  

  private void verifyNameChaining(java.security.cert.X509Certificate);
    descriptor: (Ljava/security/cert/X509Certificate;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=7, locals=4, args_size=2
        start local 0 // sun.security.provider.certpath.BasicChecker this
        start local 1 // java.security.cert.X509Certificate cert
         0: .line 209
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.prevSubject:Ljavax/security/auth/x500/X500Principal;
            ifnull 20
         1: .line 211
            ldc "subject/issuer name chaining"
            astore 2 /* msg */
        start local 2 // java.lang.String msg
         2: .line 212
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            ifnull 4
         3: .line 213
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            new java.lang.StringBuilder
            dup
            ldc "---checking "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* msg */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "..."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
         4: .line 215
      StackMap locals: java.lang.String
      StackMap stack:
            aload 1 /* cert */
            invokevirtual java.security.cert.X509Certificate.getIssuerX500Principal:()Ljavax/security/auth/x500/X500Principal;
            astore 3 /* currIssuer */
        start local 3 // javax.security.auth.x500.X500Principal currIssuer
         5: .line 218
            aload 3 /* currIssuer */
            invokestatic sun.security.x509.X500Name.asX500Name:(Ljavax/security/auth/x500/X500Principal;)Lsun/security/x509/X500Name;
            invokevirtual sun.security.x509.X500Name.isEmpty:()Z
            ifeq 13
         6: .line 219
            new java.security.cert.CertPathValidatorException
            dup
         7: .line 220
            new java.lang.StringBuilder
            dup
            aload 2 /* msg */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " check failed: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         8: .line 221
            ldc "empty/null issuer DN in certificate is invalid"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         9: .line 220
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        10: .line 221
            aconst_null
        11: .line 222
            aconst_null
            iconst_m1
            getstatic java.security.cert.PKIXReason.NAME_CHAINING:Ljava/security/cert/PKIXReason;
        12: .line 219
            invokespecial java.security.cert.CertPathValidatorException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;Ljava/security/cert/CertPath;ILjava/security/cert/CertPathValidatorException$Reason;)V
            athrow
        13: .line 225
      StackMap locals: javax.security.auth.x500.X500Principal
      StackMap stack:
            aload 3 /* currIssuer */
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.prevSubject:Ljavax/security/auth/x500/X500Principal;
            invokevirtual javax.security.auth.x500.X500Principal.equals:(Ljava/lang/Object;)Z
            ifne 18
        14: .line 226
            new java.security.cert.CertPathValidatorException
            dup
        15: .line 227
            new java.lang.StringBuilder
            dup
            aload 2 /* msg */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " check failed"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aconst_null
            aconst_null
            iconst_m1
        16: .line 228
            getstatic java.security.cert.PKIXReason.NAME_CHAINING:Ljava/security/cert/PKIXReason;
        17: .line 226
            invokespecial java.security.cert.CertPathValidatorException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;Ljava/security/cert/CertPath;ILjava/security/cert/CertPathValidatorException$Reason;)V
            athrow
        18: .line 231
      StackMap locals:
      StackMap stack:
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            ifnull 20
        19: .line 232
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            new java.lang.StringBuilder
            dup
            aload 2 /* msg */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " verified."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
        end local 3 // javax.security.auth.x500.X500Principal currIssuer
        end local 2 // java.lang.String msg
        20: .line 234
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.security.cert.X509Certificate cert
        end local 0 // sun.security.provider.certpath.BasicChecker this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   21     0        this  Lsun/security/provider/certpath/BasicChecker;
            0   21     1        cert  Ljava/security/cert/X509Certificate;
            2   20     2         msg  Ljava/lang/String;
            5   20     3  currIssuer  Ljavax/security/auth/x500/X500Principal;
    Exceptions:
      throws java.security.cert.CertPathValidatorException
    MethodParameters:
      Name  Flags
      cert  

  private void updateState(java.security.cert.X509Certificate);
    descriptor: (Ljava/security/cert/X509Certificate;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // sun.security.provider.certpath.BasicChecker this
        start local 1 // java.security.cert.X509Certificate currCert
         0: .line 242
            aload 1 /* currCert */
            invokevirtual java.security.cert.X509Certificate.getPublicKey:()Ljava/security/PublicKey;
            astore 2 /* cKey */
        start local 2 // java.security.PublicKey cKey
         1: .line 243
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            ifnull 7
         2: .line 244
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            new java.lang.StringBuilder
            dup
            ldc "BasicChecker.updateState issuer: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         3: .line 245
            aload 1 /* currCert */
            invokevirtual java.security.cert.X509Certificate.getIssuerX500Principal:()Ljavax/security/auth/x500/X500Principal;
            invokevirtual javax.security.auth.x500.X500Principal.toString:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "; subject: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         4: .line 246
            aload 1 /* currCert */
            invokevirtual java.security.cert.X509Certificate.getSubjectX500Principal:()Ljavax/security/auth/x500/X500Principal;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc "; serial#: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         5: .line 247
            aload 1 /* currCert */
            invokevirtual java.security.cert.X509Certificate.getSerialNumber:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.toString:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         6: .line 244
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
         7: .line 249
      StackMap locals: java.security.PublicKey
      StackMap stack:
            aload 2 /* cKey */
            invokestatic sun.security.provider.certpath.PKIX.isDSAPublicKeyWithoutParams:(Ljava/security/PublicKey;)Z
            ifeq 10
         8: .line 251
            aload 2 /* cKey */
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.prevPubKey:Ljava/security/PublicKey;
            invokestatic sun.security.provider.certpath.BasicChecker.makeInheritedParamsKey:(Ljava/security/PublicKey;Ljava/security/PublicKey;)Ljava/security/PublicKey;
            astore 2 /* cKey */
         9: .line 252
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            ifnull 10
            getstatic sun.security.provider.certpath.BasicChecker.debug:Lsun/security/util/Debug;
            ldc "BasicChecker.updateState Made key with inherited params"
            invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
        10: .line 255
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 2 /* cKey */
            putfield sun.security.provider.certpath.BasicChecker.prevPubKey:Ljava/security/PublicKey;
        11: .line 256
            aload 0 /* this */
            aload 1 /* currCert */
            invokevirtual java.security.cert.X509Certificate.getSubjectX500Principal:()Ljavax/security/auth/x500/X500Principal;
            putfield sun.security.provider.certpath.BasicChecker.prevSubject:Ljavax/security/auth/x500/X500Principal;
        12: .line 257
            return
        end local 2 // java.security.PublicKey cKey
        end local 1 // java.security.cert.X509Certificate currCert
        end local 0 // sun.security.provider.certpath.BasicChecker this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   13     0      this  Lsun/security/provider/certpath/BasicChecker;
            0   13     1  currCert  Ljava/security/cert/X509Certificate;
            1   13     2      cKey  Ljava/security/PublicKey;
    Exceptions:
      throws java.security.cert.CertPathValidatorException
    MethodParameters:
          Name  Flags
      currCert  

  static java.security.PublicKey makeInheritedParamsKey(java.security.PublicKey, java.security.PublicKey);
    descriptor: (Ljava/security/PublicKey;Ljava/security/PublicKey;)Ljava/security/PublicKey;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=6, locals=6, args_size=2
        start local 0 // java.security.PublicKey keyValueKey
        start local 1 // java.security.PublicKey keyParamsKey
         0: .line 271
            aload 0 /* keyValueKey */
            instanceof java.security.interfaces.DSAPublicKey
            ifeq 2
         1: .line 272
            aload 1 /* keyParamsKey */
            instanceof java.security.interfaces.DSAPublicKey
            ifne 3
         2: .line 273
      StackMap locals:
      StackMap stack:
            new java.security.cert.CertPathValidatorException
            dup
            ldc "Input key is not appropriate type for inheriting parameters"
            invokespecial java.security.cert.CertPathValidatorException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 276
      StackMap locals:
      StackMap stack:
            aload 1 /* keyParamsKey */
            checkcast java.security.interfaces.DSAPublicKey
            invokeinterface java.security.interfaces.DSAPublicKey.getParams:()Ljava/security/interfaces/DSAParams;
            astore 2 /* params */
        start local 2 // java.security.interfaces.DSAParams params
         4: .line 277
            aload 2 /* params */
            ifnonnull 6
         5: .line 278
            new java.security.cert.CertPathValidatorException
            dup
            ldc "Key parameters missing"
            invokespecial java.security.cert.CertPathValidatorException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 280
      StackMap locals: java.security.interfaces.DSAParams
      StackMap stack:
            aload 0 /* keyValueKey */
            checkcast java.security.interfaces.DSAPublicKey
            invokeinterface java.security.interfaces.DSAPublicKey.getY:()Ljava/math/BigInteger;
            astore 3 /* y */
        start local 3 // java.math.BigInteger y
         7: .line 281
            ldc "DSA"
            invokestatic java.security.KeyFactory.getInstance:(Ljava/lang/String;)Ljava/security/KeyFactory;
            astore 4 /* kf */
        start local 4 // java.security.KeyFactory kf
         8: .line 282
            new java.security.spec.DSAPublicKeySpec
            dup
            aload 3 /* y */
         9: .line 283
            aload 2 /* params */
            invokeinterface java.security.interfaces.DSAParams.getP:()Ljava/math/BigInteger;
        10: .line 284
            aload 2 /* params */
            invokeinterface java.security.interfaces.DSAParams.getQ:()Ljava/math/BigInteger;
        11: .line 285
            aload 2 /* params */
            invokeinterface java.security.interfaces.DSAParams.getG:()Ljava/math/BigInteger;
        12: .line 282
            invokespecial java.security.spec.DSAPublicKeySpec.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            astore 5 /* ks */
        start local 5 // java.security.spec.DSAPublicKeySpec ks
        13: .line 286
            aload 4 /* kf */
            aload 5 /* ks */
            invokevirtual java.security.KeyFactory.generatePublic:(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;
        14: areturn
        end local 5 // java.security.spec.DSAPublicKeySpec ks
        end local 4 // java.security.KeyFactory kf
        end local 3 // java.math.BigInteger y
        15: .line 287
      StackMap locals:
      StackMap stack: java.security.GeneralSecurityException
            astore 3 /* e */
        start local 3 // java.security.GeneralSecurityException e
        16: .line 288
            new java.security.cert.CertPathValidatorException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unable to generate key with inherited parameters: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        17: .line 290
            aload 3 /* e */
            invokevirtual java.security.GeneralSecurityException.getMessage:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 3 /* e */
        18: .line 288
            invokespecial java.security.cert.CertPathValidatorException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.security.GeneralSecurityException e
        end local 2 // java.security.interfaces.DSAParams params
        end local 1 // java.security.PublicKey keyParamsKey
        end local 0 // java.security.PublicKey keyValueKey
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   19     0   keyValueKey  Ljava/security/PublicKey;
            0   19     1  keyParamsKey  Ljava/security/PublicKey;
            4   19     2        params  Ljava/security/interfaces/DSAParams;
            7   15     3             y  Ljava/math/BigInteger;
            8   15     4            kf  Ljava/security/KeyFactory;
           13   15     5            ks  Ljava/security/spec/DSAPublicKeySpec;
           16   19     3             e  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
           6    14      15  Class java.security.GeneralSecurityException
    Exceptions:
      throws java.security.cert.CertPathValidatorException
    MethodParameters:
              Name  Flags
      keyValueKey   
      keyParamsKey  

  java.security.PublicKey getPublicKey();
    descriptor: ()Ljava/security/PublicKey;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.provider.certpath.BasicChecker this
         0: .line 300
            aload 0 /* this */
            getfield sun.security.provider.certpath.BasicChecker.prevPubKey:Ljava/security/PublicKey;
            areturn
        end local 0 // sun.security.provider.certpath.BasicChecker this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/provider/certpath/BasicChecker;
}
SourceFile: "BasicChecker.java"
InnerClasses:
  public final BasicReason = java.security.cert.CertPathValidatorException$BasicReason of java.security.cert.CertPathValidatorException
  public abstract Reason = java.security.cert.CertPathValidatorException$Reason of java.security.cert.CertPathValidatorException