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. 
class org.bouncycastle.cert.jcajce.NamedCertHelper extends org.bouncycastle.cert.jcajce.CertHelper
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.cert.jcajce.NamedCertHelper
  super_class: org.bouncycastle.cert.jcajce.CertHelper
{
  private final java.lang.String providerName;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.cert.jcajce.NamedCertHelper this
        start local 1 // java.lang.String providerName
         0: .line 12
            aload 0 /* this */
            invokespecial org.bouncycastle.cert.jcajce.CertHelper.<init>:()V
         1: .line 14
            aload 0 /* this */
            aload 1 /* providerName */
            putfield org.bouncycastle.cert.jcajce.NamedCertHelper.providerName:Ljava/lang/String;
         2: .line 15
            return
        end local 1 // java.lang.String providerName
        end local 0 // org.bouncycastle.cert.jcajce.NamedCertHelper this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    3     0          this  Lorg/bouncycastle/cert/jcajce/NamedCertHelper;
            0    3     1  providerName  Ljava/lang/String;
    MethodParameters:
              Name  Flags
      providerName  

  protected java.security.cert.CertificateFactory createCertificateFactory(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/security/cert/CertificateFactory;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.cert.jcajce.NamedCertHelper this
        start local 1 // java.lang.String type
         0: .line 20
            aload 1 /* type */
            aload 0 /* this */
            getfield org.bouncycastle.cert.jcajce.NamedCertHelper.providerName:Ljava/lang/String;
            invokestatic java.security.cert.CertificateFactory.getInstance:(Ljava/lang/String;Ljava/lang/String;)Ljava/security/cert/CertificateFactory;
            areturn
        end local 1 // java.lang.String type
        end local 0 // org.bouncycastle.cert.jcajce.NamedCertHelper this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cert/jcajce/NamedCertHelper;
            0    1     1  type  Ljava/lang/String;
    Exceptions:
      throws java.security.cert.CertificateException, java.security.NoSuchProviderException
    MethodParameters:
      Name  Flags
      type  
}
SourceFile: "NamedCertHelper.java"