http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
public class org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure extends org.bouncycastle.asn1.x509.AuthorityKeyIdentifier
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure
  super_class: org.bouncycastle.asn1.x509.AuthorityKeyIdentifier
{
  public void <init>(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure this
        start local 1 // byte[] encodedValue
         0: .line 36
            aload 0 /* this */
            aload 1 /* encodedValue */
            invokestatic org.bouncycastle.x509.extension.X509ExtensionUtil.fromExtensionValue:([B)Lorg/bouncycastle/asn1/ASN1Object;
            checkcast org.bouncycastle.asn1.ASN1Sequence
            invokespecial org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
         1: .line 37
            return
        end local 1 // byte[] encodedValue
        end local 0 // org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/bouncycastle/x509/extension/AuthorityKeyIdentifierStructure;
            0    2     1  encodedValue  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      encodedValue  

  public void <init>(org.bouncycastle.asn1.x509.X509Extension);
    descriptor: (Lorg/bouncycastle/asn1/x509/X509Extension;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure this
        start local 1 // org.bouncycastle.asn1.x509.X509Extension extension
         0: .line 47
            aload 0 /* this */
            aload 1 /* extension */
            invokevirtual org.bouncycastle.asn1.x509.X509Extension.getParsedValue:()Lorg/bouncycastle/asn1/ASN1Encodable;
            checkcast org.bouncycastle.asn1.ASN1Sequence
            invokespecial org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
         1: .line 48
            return
        end local 1 // org.bouncycastle.asn1.x509.X509Extension extension
        end local 0 // org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lorg/bouncycastle/x509/extension/AuthorityKeyIdentifierStructure;
            0    2     1  extension  Lorg/bouncycastle/asn1/x509/X509Extension;
    MethodParameters:
           Name  Flags
      extension  

  private static org.bouncycastle.asn1.ASN1Sequence fromCertificate(java.security.cert.X509Certificate);
    descriptor: (Ljava/security/cert/X509Certificate;)Lorg/bouncycastle/asn1/ASN1Sequence;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=6, locals=4, args_size=1
        start local 0 // java.security.cert.X509Certificate certificate
         0: .line 56
            aload 0 /* certificate */
            invokevirtual java.security.cert.X509Certificate.getVersion:()I
            iconst_3
            if_icmpeq 11
         1: .line 58
            new org.bouncycastle.asn1.x509.GeneralName
            dup
            aload 0 /* certificate */
            invokestatic org.bouncycastle.jce.PrincipalUtil.getIssuerX509Principal:(Ljava/security/cert/X509Certificate;)Lorg/bouncycastle/jce/X509Principal;
            invokespecial org.bouncycastle.asn1.x509.GeneralName.<init>:(Lorg/bouncycastle/asn1/x509/X509Name;)V
            astore 1 /* genName */
        start local 1 // org.bouncycastle.asn1.x509.GeneralName genName
         2: .line 59
            new org.bouncycastle.asn1.x509.SubjectPublicKeyInfo
            dup
         3: .line 60
            new org.bouncycastle.asn1.ASN1InputStream
            dup
            aload 0 /* certificate */
            invokevirtual java.security.cert.X509Certificate.getPublicKey:()Ljava/security/PublicKey;
            invokeinterface java.security.PublicKey.getEncoded:()[B
            invokespecial org.bouncycastle.asn1.ASN1InputStream.<init>:([B)V
            invokevirtual org.bouncycastle.asn1.ASN1InputStream.readObject:()Lorg/bouncycastle/asn1/DERObject;
            checkcast org.bouncycastle.asn1.ASN1Sequence
         4: .line 59
            invokespecial org.bouncycastle.asn1.x509.SubjectPublicKeyInfo.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            astore 2 /* info */
        start local 2 // org.bouncycastle.asn1.x509.SubjectPublicKeyInfo info
         5: .line 62
            new org.bouncycastle.asn1.x509.AuthorityKeyIdentifier
            dup
         6: .line 63
            aload 2 /* info */
            new org.bouncycastle.asn1.x509.GeneralNames
            dup
            aload 1 /* genName */
            invokespecial org.bouncycastle.asn1.x509.GeneralNames.<init>:(Lorg/bouncycastle/asn1/x509/GeneralName;)V
            aload 0 /* certificate */
            invokevirtual java.security.cert.X509Certificate.getSerialNumber:()Ljava/math/BigInteger;
         7: .line 62
            invokespecial org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.<init>:(Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;Lorg/bouncycastle/asn1/x509/GeneralNames;Ljava/math/BigInteger;)V
         8: .line 63
            invokevirtual org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.toASN1Object:()Lorg/bouncycastle/asn1/DERObject;
         9: .line 62
            checkcast org.bouncycastle.asn1.ASN1Sequence
        10: areturn
        end local 2 // org.bouncycastle.asn1.x509.SubjectPublicKeyInfo info
        end local 1 // org.bouncycastle.asn1.x509.GeneralName genName
        11: .line 67
      StackMap locals:
      StackMap stack:
            new org.bouncycastle.asn1.x509.GeneralName
            dup
            aload 0 /* certificate */
            invokestatic org.bouncycastle.jce.PrincipalUtil.getIssuerX509Principal:(Ljava/security/cert/X509Certificate;)Lorg/bouncycastle/jce/X509Principal;
            invokespecial org.bouncycastle.asn1.x509.GeneralName.<init>:(Lorg/bouncycastle/asn1/x509/X509Name;)V
            astore 1 /* genName */
        start local 1 // org.bouncycastle.asn1.x509.GeneralName genName
        12: .line 69
            aload 0 /* certificate */
            getstatic org.bouncycastle.asn1.x509.X509Extensions.SubjectKeyIdentifier:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.getId:()Ljava/lang/String;
            invokevirtual java.security.cert.X509Certificate.getExtensionValue:(Ljava/lang/String;)[B
            astore 2 /* ext */
        start local 2 // byte[] ext
        13: .line 71
            aload 2 /* ext */
            ifnull 21
        14: .line 73
            aload 2 /* ext */
            invokestatic org.bouncycastle.x509.extension.X509ExtensionUtil.fromExtensionValue:([B)Lorg/bouncycastle/asn1/ASN1Object;
            checkcast org.bouncycastle.asn1.ASN1OctetString
            astore 3 /* str */
        start local 3 // org.bouncycastle.asn1.ASN1OctetString str
        15: .line 75
            new org.bouncycastle.asn1.x509.AuthorityKeyIdentifier
            dup
        16: .line 76
            aload 3 /* str */
            invokevirtual org.bouncycastle.asn1.ASN1OctetString.getOctets:()[B
            new org.bouncycastle.asn1.x509.GeneralNames
            dup
            aload 1 /* genName */
            invokespecial org.bouncycastle.asn1.x509.GeneralNames.<init>:(Lorg/bouncycastle/asn1/x509/GeneralName;)V
            aload 0 /* certificate */
            invokevirtual java.security.cert.X509Certificate.getSerialNumber:()Ljava/math/BigInteger;
        17: .line 75
            invokespecial org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.<init>:([BLorg/bouncycastle/asn1/x509/GeneralNames;Ljava/math/BigInteger;)V
        18: .line 76
            invokevirtual org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.toASN1Object:()Lorg/bouncycastle/asn1/DERObject;
        19: .line 75
            checkcast org.bouncycastle.asn1.ASN1Sequence
        20: areturn
        end local 3 // org.bouncycastle.asn1.ASN1OctetString str
        21: .line 80
      StackMap locals: org.bouncycastle.asn1.x509.GeneralName byte[]
      StackMap stack:
            new org.bouncycastle.asn1.x509.SubjectPublicKeyInfo
            dup
        22: .line 81
            new org.bouncycastle.asn1.ASN1InputStream
            dup
            aload 0 /* certificate */
            invokevirtual java.security.cert.X509Certificate.getPublicKey:()Ljava/security/PublicKey;
            invokeinterface java.security.PublicKey.getEncoded:()[B
            invokespecial org.bouncycastle.asn1.ASN1InputStream.<init>:([B)V
            invokevirtual org.bouncycastle.asn1.ASN1InputStream.readObject:()Lorg/bouncycastle/asn1/DERObject;
            checkcast org.bouncycastle.asn1.ASN1Sequence
        23: .line 80
            invokespecial org.bouncycastle.asn1.x509.SubjectPublicKeyInfo.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            astore 3 /* info */
        start local 3 // org.bouncycastle.asn1.x509.SubjectPublicKeyInfo info
        24: .line 83
            new org.bouncycastle.asn1.x509.AuthorityKeyIdentifier
            dup
        25: .line 84
            aload 3 /* info */
            new org.bouncycastle.asn1.x509.GeneralNames
            dup
            aload 1 /* genName */
            invokespecial org.bouncycastle.asn1.x509.GeneralNames.<init>:(Lorg/bouncycastle/asn1/x509/GeneralName;)V
            aload 0 /* certificate */
            invokevirtual java.security.cert.X509Certificate.getSerialNumber:()Ljava/math/BigInteger;
        26: .line 83
            invokespecial org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.<init>:(Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;Lorg/bouncycastle/asn1/x509/GeneralNames;Ljava/math/BigInteger;)V
        27: .line 84
            invokevirtual org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.toASN1Object:()Lorg/bouncycastle/asn1/DERObject;
        28: .line 83
            checkcast org.bouncycastle.asn1.ASN1Sequence
        29: areturn
        end local 3 // org.bouncycastle.asn1.x509.SubjectPublicKeyInfo info
        end local 2 // byte[] ext
        end local 1 // org.bouncycastle.asn1.x509.GeneralName genName
        30: .line 88
      StackMap locals: java.security.cert.X509Certificate
      StackMap stack: java.lang.Exception
            astore 1 /* e */
        start local 1 // java.lang.Exception e
        31: .line 90
            new java.security.cert.CertificateParsingException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Exception extracting certificate details: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* e */
            invokevirtual java.lang.Exception.toString:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.security.cert.CertificateParsingException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.lang.Exception e
        end local 0 // java.security.cert.X509Certificate certificate
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   32     0  certificate  Ljava/security/cert/X509Certificate;
            2   11     1      genName  Lorg/bouncycastle/asn1/x509/GeneralName;
            5   11     2         info  Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;
           12   30     1      genName  Lorg/bouncycastle/asn1/x509/GeneralName;
           13   30     2          ext  [B
           15   21     3          str  Lorg/bouncycastle/asn1/ASN1OctetString;
           24   30     3         info  Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;
           31   32     1            e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           0    10      30  Class java.lang.Exception
          11    20      30  Class java.lang.Exception
          21    29      30  Class java.lang.Exception
    Exceptions:
      throws java.security.cert.CertificateParsingException
    MethodParameters:
             Name  Flags
      certificate  

  private static org.bouncycastle.asn1.ASN1Sequence fromKey(java.security.PublicKey);
    descriptor: (Ljava/security/PublicKey;)Lorg/bouncycastle/asn1/ASN1Sequence;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.security.PublicKey pubKey
         0: .line 100
            new org.bouncycastle.asn1.x509.SubjectPublicKeyInfo
            dup
         1: .line 101
            new org.bouncycastle.asn1.ASN1InputStream
            dup
            aload 0 /* pubKey */
            invokeinterface java.security.PublicKey.getEncoded:()[B
            invokespecial org.bouncycastle.asn1.ASN1InputStream.<init>:([B)V
            invokevirtual org.bouncycastle.asn1.ASN1InputStream.readObject:()Lorg/bouncycastle/asn1/DERObject;
            checkcast org.bouncycastle.asn1.ASN1Sequence
         2: .line 100
            invokespecial org.bouncycastle.asn1.x509.SubjectPublicKeyInfo.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            astore 1 /* info */
        start local 1 // org.bouncycastle.asn1.x509.SubjectPublicKeyInfo info
         3: .line 103
            new org.bouncycastle.asn1.x509.AuthorityKeyIdentifier
            dup
            aload 1 /* info */
            invokespecial org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.<init>:(Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;)V
            invokevirtual org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.toASN1Object:()Lorg/bouncycastle/asn1/DERObject;
            checkcast org.bouncycastle.asn1.ASN1Sequence
         4: areturn
        end local 1 // org.bouncycastle.asn1.x509.SubjectPublicKeyInfo info
         5: .line 105
      StackMap locals:
      StackMap stack: java.lang.Exception
            astore 1 /* e */
        start local 1 // java.lang.Exception e
         6: .line 107
            new java.security.InvalidKeyException
            dup
            new java.lang.StringBuilder
            dup
            ldc "can't process key: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* e */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.lang.Exception e
        end local 0 // java.security.PublicKey pubKey
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0  pubKey  Ljava/security/PublicKey;
            3    5     1    info  Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;
            6    7     1       e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           0     4       5  Class java.lang.Exception
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
        Name  Flags
      pubKey  

  public void <init>(java.security.cert.X509Certificate);
    descriptor: (Ljava/security/cert/X509Certificate;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure this
        start local 1 // java.security.cert.X509Certificate certificate
         0: .line 122
            aload 0 /* this */
            aload 1 /* certificate */
            invokestatic org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure.fromCertificate:(Ljava/security/cert/X509Certificate;)Lorg/bouncycastle/asn1/ASN1Sequence;
            invokespecial org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
         1: .line 123
            return
        end local 1 // java.security.cert.X509Certificate certificate
        end local 0 // org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lorg/bouncycastle/x509/extension/AuthorityKeyIdentifierStructure;
            0    2     1  certificate  Ljava/security/cert/X509Certificate;
    Exceptions:
      throws java.security.cert.CertificateParsingException
    MethodParameters:
             Name  Flags
      certificate  

  public void <init>(java.security.PublicKey);
    descriptor: (Ljava/security/PublicKey;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure this
        start local 1 // java.security.PublicKey pubKey
         0: .line 136
            aload 0 /* this */
            aload 1 /* pubKey */
            invokestatic org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure.fromKey:(Ljava/security/PublicKey;)Lorg/bouncycastle/asn1/ASN1Sequence;
            invokespecial org.bouncycastle.asn1.x509.AuthorityKeyIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
         1: .line 137
            return
        end local 1 // java.security.PublicKey pubKey
        end local 0 // org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/x509/extension/AuthorityKeyIdentifierStructure;
            0    2     1  pubKey  Ljava/security/PublicKey;
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
        Name  Flags
      pubKey  
}
SourceFile: "AuthorityKeyIdentifierStructure.java"