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.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable implements org.bouncycastle.cms.CMSSecureReadable
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable
  super_class: java.lang.Object
{
  private org.bouncycastle.operator.DigestCalculator digestCalculator;
    descriptor: Lorg/bouncycastle/operator/DigestCalculator;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.cms.CMSReadable readable;
    descriptor: Lorg/bouncycastle/cms/CMSReadable;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.bouncycastle.operator.DigestCalculator, org.bouncycastle.cms.CMSReadable);
    descriptor: (Lorg/bouncycastle/operator/DigestCalculator;Lorg/bouncycastle/cms/CMSReadable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable this
        start local 1 // org.bouncycastle.operator.DigestCalculator digestCalculator
        start local 2 // org.bouncycastle.cms.CMSReadable readable
         0: .line 72
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 74
            aload 0 /* this */
            aload 1 /* digestCalculator */
            putfield org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable.digestCalculator:Lorg/bouncycastle/operator/DigestCalculator;
         2: .line 75
            aload 0 /* this */
            aload 2 /* readable */
            putfield org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable.readable:Lorg/bouncycastle/cms/CMSReadable;
         3: .line 76
            return
        end local 2 // org.bouncycastle.cms.CMSReadable readable
        end local 1 // org.bouncycastle.operator.DigestCalculator digestCalculator
        end local 0 // org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    4     0              this  Lorg/bouncycastle/cms/CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable;
            0    4     1  digestCalculator  Lorg/bouncycastle/operator/DigestCalculator;
            0    4     2          readable  Lorg/bouncycastle/cms/CMSReadable;
    MethodParameters:
                  Name  Flags
      digestCalculator  
      readable          

  public java.io.InputStream getInputStream();
    descriptor: ()Ljava/io/InputStream;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable this
         0: .line 81
            new org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable$1
            dup
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable.readable:Lorg/bouncycastle/cms/CMSReadable;
            invokeinterface org.bouncycastle.cms.CMSReadable.getInputStream:()Ljava/io/InputStream;
            invokespecial org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable$1.<init>:(Lorg/bouncycastle/cms/CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable;Ljava/io/InputStream;)V
            areturn
        end local 0 // org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cms/CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable;
    Exceptions:
      throws java.io.IOException, org.bouncycastle.cms.CMSException

  public byte[] getDigest();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable this
         0: .line 113
            aload 0 /* this */
            getfield org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable.digestCalculator:Lorg/bouncycastle/operator/DigestCalculator;
            invokeinterface org.bouncycastle.operator.DigestCalculator.getDigest:()[B
            areturn
        end local 0 // org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cms/CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable;
}
SourceFile: "CMSEnvelopedHelper.java"
NestHost: org.bouncycastle.cms.CMSEnvelopedHelper
InnerClasses:
  CMSDigestAuthenticatedSecureReadable = org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable of org.bouncycastle.cms.CMSEnvelopedHelper
  org.bouncycastle.cms.CMSEnvelopedHelper$CMSDigestAuthenticatedSecureReadable$1