http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
public class org.bouncycastle.cert.bc.BcX509ExtensionUtils extends org.bouncycastle.cert.X509ExtensionUtils
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.cert.bc.BcX509ExtensionUtils
  super_class: org.bouncycastle.cert.X509ExtensionUtils
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.bouncycastle.cert.bc.BcX509ExtensionUtils this
         0: .line 27
            aload 0 /* this */
            new org.bouncycastle.cert.bc.BcX509ExtensionUtils$SHA1DigestCalculator
            dup
            invokespecial org.bouncycastle.cert.bc.BcX509ExtensionUtils$SHA1DigestCalculator.<init>:()V
            invokespecial org.bouncycastle.cert.X509ExtensionUtils.<init>:(Lorg/bouncycastle/operator/DigestCalculator;)V
         1: .line 28
            return
        end local 0 // org.bouncycastle.cert.bc.BcX509ExtensionUtils this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/cert/bc/BcX509ExtensionUtils;

  public void <init>(org.bouncycastle.operator.DigestCalculator);
    descriptor: (Lorg/bouncycastle/operator/DigestCalculator;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.cert.bc.BcX509ExtensionUtils this
        start local 1 // org.bouncycastle.operator.DigestCalculator calculator
         0: .line 32
            aload 0 /* this */
            aload 1 /* calculator */
            invokespecial org.bouncycastle.cert.X509ExtensionUtils.<init>:(Lorg/bouncycastle/operator/DigestCalculator;)V
         1: .line 33
            return
        end local 1 // org.bouncycastle.operator.DigestCalculator calculator
        end local 0 // org.bouncycastle.cert.bc.BcX509ExtensionUtils this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    2     0        this  Lorg/bouncycastle/cert/bc/BcX509ExtensionUtils;
            0    2     1  calculator  Lorg/bouncycastle/operator/DigestCalculator;
    MethodParameters:
            Name  Flags
      calculator  

  public org.bouncycastle.asn1.x509.AuthorityKeyIdentifier createAuthorityKeyIdentifier(org.bouncycastle.crypto.params.AsymmetricKeyParameter);
    descriptor: (Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;)Lorg/bouncycastle/asn1/x509/AuthorityKeyIdentifier;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.cert.bc.BcX509ExtensionUtils this
        start local 1 // org.bouncycastle.crypto.params.AsymmetricKeyParameter publicKey
         0: .line 39
            aload 0 /* this */
            aload 1 /* publicKey */
            invokestatic org.bouncycastle.crypto.util.SubjectPublicKeyInfoFactory.createSubjectPublicKeyInfo:(Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;)Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;
            invokespecial org.bouncycastle.cert.X509ExtensionUtils.createAuthorityKeyIdentifier:(Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;)Lorg/bouncycastle/asn1/x509/AuthorityKeyIdentifier;
            areturn
        end local 1 // org.bouncycastle.crypto.params.AsymmetricKeyParameter publicKey
        end local 0 // org.bouncycastle.cert.bc.BcX509ExtensionUtils this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lorg/bouncycastle/cert/bc/BcX509ExtensionUtils;
            0    1     1  publicKey  Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
           Name  Flags
      publicKey  

  public org.bouncycastle.asn1.x509.SubjectKeyIdentifier createSubjectKeyIdentifier(org.bouncycastle.crypto.params.AsymmetricKeyParameter);
    descriptor: (Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;)Lorg/bouncycastle/asn1/x509/SubjectKeyIdentifier;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.cert.bc.BcX509ExtensionUtils this
        start local 1 // org.bouncycastle.crypto.params.AsymmetricKeyParameter publicKey
         0: .line 56
            aload 0 /* this */
            aload 1 /* publicKey */
            invokestatic org.bouncycastle.crypto.util.SubjectPublicKeyInfoFactory.createSubjectPublicKeyInfo:(Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;)Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;
            invokespecial org.bouncycastle.cert.X509ExtensionUtils.createSubjectKeyIdentifier:(Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;)Lorg/bouncycastle/asn1/x509/SubjectKeyIdentifier;
            areturn
        end local 1 // org.bouncycastle.crypto.params.AsymmetricKeyParameter publicKey
        end local 0 // org.bouncycastle.cert.bc.BcX509ExtensionUtils this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lorg/bouncycastle/cert/bc/BcX509ExtensionUtils;
            0    1     1  publicKey  Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
           Name  Flags
      publicKey  
}
SourceFile: "BcX509ExtensionUtils.java"
NestMembers:
  org.bouncycastle.cert.bc.BcX509ExtensionUtils$SHA1DigestCalculator
InnerClasses:
  private SHA1DigestCalculator = org.bouncycastle.cert.bc.BcX509ExtensionUtils$SHA1DigestCalculator of org.bouncycastle.cert.bc.BcX509ExtensionUtils