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.asn1.smime.SMIMECapabilities extends org.bouncycastle.asn1.ASN1Encodable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.asn1.smime.SMIMECapabilities
  super_class: org.bouncycastle.asn1.ASN1Encodable
{
  public static final org.bouncycastle.asn1.DERObjectIdentifier preferSignedData;
    descriptor: Lorg/bouncycastle/asn1/DERObjectIdentifier;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final org.bouncycastle.asn1.DERObjectIdentifier canNotDecryptAny;
    descriptor: Lorg/bouncycastle/asn1/DERObjectIdentifier;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final org.bouncycastle.asn1.DERObjectIdentifier sMIMECapabilitesVersions;
    descriptor: Lorg/bouncycastle/asn1/DERObjectIdentifier;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final org.bouncycastle.asn1.DERObjectIdentifier dES_CBC;
    descriptor: Lorg/bouncycastle/asn1/DERObjectIdentifier;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final org.bouncycastle.asn1.DERObjectIdentifier dES_EDE3_CBC;
    descriptor: Lorg/bouncycastle/asn1/DERObjectIdentifier;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final org.bouncycastle.asn1.DERObjectIdentifier rC2_CBC;
    descriptor: Lorg/bouncycastle/asn1/DERObjectIdentifier;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  private org.bouncycastle.asn1.ASN1Sequence capabilities;
    descriptor: Lorg/bouncycastle/asn1/ASN1Sequence;
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 22
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.preferSignedData:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            putstatic org.bouncycastle.asn1.smime.SMIMECapabilities.preferSignedData:Lorg/bouncycastle/asn1/DERObjectIdentifier;
         1: .line 23
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.canNotDecryptAny:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            putstatic org.bouncycastle.asn1.smime.SMIMECapabilities.canNotDecryptAny:Lorg/bouncycastle/asn1/DERObjectIdentifier;
         2: .line 24
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.sMIMECapabilitiesVersions:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            putstatic org.bouncycastle.asn1.smime.SMIMECapabilities.sMIMECapabilitesVersions:Lorg/bouncycastle/asn1/DERObjectIdentifier;
         3: .line 29
            new org.bouncycastle.asn1.DERObjectIdentifier
            dup
            ldc "1.3.14.3.2.7"
            invokespecial org.bouncycastle.asn1.DERObjectIdentifier.<init>:(Ljava/lang/String;)V
            putstatic org.bouncycastle.asn1.smime.SMIMECapabilities.dES_CBC:Lorg/bouncycastle/asn1/DERObjectIdentifier;
         4: .line 30
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.des_EDE3_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            putstatic org.bouncycastle.asn1.smime.SMIMECapabilities.dES_EDE3_CBC:Lorg/bouncycastle/asn1/DERObjectIdentifier;
         5: .line 31
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.RC2_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            putstatic org.bouncycastle.asn1.smime.SMIMECapabilities.rC2_CBC:Lorg/bouncycastle/asn1/DERObjectIdentifier;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static org.bouncycastle.asn1.smime.SMIMECapabilities getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/smime/SMIMECapabilities;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Object o
         0: .line 44
            aload 0 /* o */
            ifnull 1
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.smime.SMIMECapabilities
            ifeq 2
         1: .line 46
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.smime.SMIMECapabilities
            areturn
         2: .line 49
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.ASN1Sequence
            ifeq 4
         3: .line 51
            new org.bouncycastle.asn1.smime.SMIMECapabilities
            dup
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.ASN1Sequence
            invokespecial org.bouncycastle.asn1.smime.SMIMECapabilities.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            areturn
         4: .line 54
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.cms.Attribute
            ifeq 8
         5: .line 56
            new org.bouncycastle.asn1.smime.SMIMECapabilities
            dup
         6: .line 57
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.cms.Attribute
            invokevirtual org.bouncycastle.asn1.cms.Attribute.getAttrValues:()Lorg/bouncycastle/asn1/ASN1Set;
            iconst_0
            invokevirtual org.bouncycastle.asn1.ASN1Set.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.ASN1Sequence
         7: .line 56
            invokespecial org.bouncycastle.asn1.smime.SMIMECapabilities.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            areturn
         8: .line 60
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "unknown object in factory: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* o */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // java.lang.Object o
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0     o  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      o     

  public void <init>(org.bouncycastle.asn1.ASN1Sequence);
    descriptor: (Lorg/bouncycastle/asn1/ASN1Sequence;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.smime.SMIMECapabilities this
        start local 1 // org.bouncycastle.asn1.ASN1Sequence seq
         0: .line 63
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 66
            aload 0 /* this */
            aload 1 /* seq */
            putfield org.bouncycastle.asn1.smime.SMIMECapabilities.capabilities:Lorg/bouncycastle/asn1/ASN1Sequence;
         2: .line 67
            return
        end local 1 // org.bouncycastle.asn1.ASN1Sequence seq
        end local 0 // org.bouncycastle.asn1.smime.SMIMECapabilities this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/asn1/smime/SMIMECapabilities;
            0    3     1   seq  Lorg/bouncycastle/asn1/ASN1Sequence;
    MethodParameters:
      Name  Flags
      seq   

  public java.util.Vector getCapabilities(org.bouncycastle.asn1.DERObjectIdentifier);
    descriptor: (Lorg/bouncycastle/asn1/DERObjectIdentifier;)Ljava/util/Vector;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=5, args_size=2
        start local 0 // org.bouncycastle.asn1.smime.SMIMECapabilities this
        start local 1 // org.bouncycastle.asn1.DERObjectIdentifier capability
         0: .line 77
            aload 0 /* this */
            getfield org.bouncycastle.asn1.smime.SMIMECapabilities.capabilities:Lorg/bouncycastle/asn1/ASN1Sequence;
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjects:()Ljava/util/Enumeration;
            astore 2 /* e */
        start local 2 // java.util.Enumeration e
         1: .line 78
            new java.util.Vector
            dup
            invokespecial java.util.Vector.<init>:()V
            astore 3 /* list */
        start local 3 // java.util.Vector list
         2: .line 80
            aload 1 /* capability */
            ifnonnull 11
         3: .line 82
            goto 6
         4: .line 84
      StackMap locals: java.util.Enumeration java.util.Vector
      StackMap stack:
            aload 2 /* e */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            invokestatic org.bouncycastle.asn1.smime.SMIMECapability.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/smime/SMIMECapability;
            astore 4 /* cap */
        start local 4 // org.bouncycastle.asn1.smime.SMIMECapability cap
         5: .line 86
            aload 3 /* list */
            aload 4 /* cap */
            invokevirtual java.util.Vector.addElement:(Ljava/lang/Object;)V
        end local 4 // org.bouncycastle.asn1.smime.SMIMECapability cap
         6: .line 82
      StackMap locals:
      StackMap stack:
            aload 2 /* e */
            invokeinterface java.util.Enumeration.hasMoreElements:()Z
            ifne 4
         7: .line 88
            goto 12
         8: .line 93
      StackMap locals:
      StackMap stack:
            aload 2 /* e */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            invokestatic org.bouncycastle.asn1.smime.SMIMECapability.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/smime/SMIMECapability;
            astore 4 /* cap */
        start local 4 // org.bouncycastle.asn1.smime.SMIMECapability cap
         9: .line 95
            aload 1 /* capability */
            aload 4 /* cap */
            invokevirtual org.bouncycastle.asn1.smime.SMIMECapability.getCapabilityID:()Lorg/bouncycastle/asn1/DERObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.DERObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifeq 11
        10: .line 97
            aload 3 /* list */
            aload 4 /* cap */
            invokevirtual java.util.Vector.addElement:(Ljava/lang/Object;)V
        end local 4 // org.bouncycastle.asn1.smime.SMIMECapability cap
        11: .line 91
      StackMap locals:
      StackMap stack:
            aload 2 /* e */
            invokeinterface java.util.Enumeration.hasMoreElements:()Z
            ifne 8
        12: .line 102
      StackMap locals:
      StackMap stack:
            aload 3 /* list */
            areturn
        end local 3 // java.util.Vector list
        end local 2 // java.util.Enumeration e
        end local 1 // org.bouncycastle.asn1.DERObjectIdentifier capability
        end local 0 // org.bouncycastle.asn1.smime.SMIMECapabilities this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   13     0        this  Lorg/bouncycastle/asn1/smime/SMIMECapabilities;
            0   13     1  capability  Lorg/bouncycastle/asn1/DERObjectIdentifier;
            1   13     2           e  Ljava/util/Enumeration;
            2   13     3        list  Ljava/util/Vector;
            5    6     4         cap  Lorg/bouncycastle/asn1/smime/SMIMECapability;
            9   11     4         cap  Lorg/bouncycastle/asn1/smime/SMIMECapability;
    MethodParameters:
            Name  Flags
      capability  

  public org.bouncycastle.asn1.DERObject toASN1Object();
    descriptor: ()Lorg/bouncycastle/asn1/DERObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.smime.SMIMECapabilities this
         0: .line 113
            aload 0 /* this */
            getfield org.bouncycastle.asn1.smime.SMIMECapabilities.capabilities:Lorg/bouncycastle/asn1/ASN1Sequence;
            areturn
        end local 0 // org.bouncycastle.asn1.smime.SMIMECapabilities this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/smime/SMIMECapabilities;
}
SourceFile: "SMIMECapabilities.java"