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.cms.jcajce.ZlibExpanderProvider implements org.bouncycastle.operator.InputExpanderProvider
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.cms.jcajce.ZlibExpanderProvider
  super_class: java.lang.Object
{
  private final long limit;
    descriptor: J
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.bouncycastle.cms.jcajce.ZlibExpanderProvider this
         0: .line 21
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 23
            aload 0 /* this */
            ldc -1
            putfield org.bouncycastle.cms.jcajce.ZlibExpanderProvider.limit:J
         2: .line 24
            return
        end local 0 // org.bouncycastle.cms.jcajce.ZlibExpanderProvider this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/cms/jcajce/ZlibExpanderProvider;

  public void <init>(long);
    descriptor: (J)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.bouncycastle.cms.jcajce.ZlibExpanderProvider this
        start local 1 // long limit
         0: .line 32
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 34
            aload 0 /* this */
            lload 1 /* limit */
            putfield org.bouncycastle.cms.jcajce.ZlibExpanderProvider.limit:J
         2: .line 35
            return
        end local 1 // long limit
        end local 0 // org.bouncycastle.cms.jcajce.ZlibExpanderProvider this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lorg/bouncycastle/cms/jcajce/ZlibExpanderProvider;
            0    3     1  limit  J
    MethodParameters:
       Name  Flags
      limit  

  public org.bouncycastle.operator.InputExpander get(org.bouncycastle.asn1.x509.AlgorithmIdentifier);
    descriptor: (Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Lorg/bouncycastle/operator/InputExpander;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.bouncycastle.cms.jcajce.ZlibExpanderProvider this
        start local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier algorithm
         0: .line 39
            new org.bouncycastle.cms.jcajce.ZlibExpanderProvider$1
            dup
            aload 0 /* this */
            aload 1 /* algorithm */
            invokespecial org.bouncycastle.cms.jcajce.ZlibExpanderProvider$1.<init>:(Lorg/bouncycastle/cms/jcajce/ZlibExpanderProvider;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)V
            areturn
        end local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier algorithm
        end local 0 // org.bouncycastle.cms.jcajce.ZlibExpanderProvider this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lorg/bouncycastle/cms/jcajce/ZlibExpanderProvider;
            0    1     1  algorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
    MethodParameters:
           Name  Flags
      algorithm  final
}
SourceFile: "ZlibExpanderProvider.java"
NestMembers:
  org.bouncycastle.cms.jcajce.ZlibExpanderProvider$1  org.bouncycastle.cms.jcajce.ZlibExpanderProvider$LimitedInputStream
InnerClasses:
  org.bouncycastle.cms.jcajce.ZlibExpanderProvider$1
  private LimitedInputStream = org.bouncycastle.cms.jcajce.ZlibExpanderProvider$LimitedInputStream of org.bouncycastle.cms.jcajce.ZlibExpanderProvider