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.crmf.Controls extends org.bouncycastle.asn1.ASN1Encodable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.asn1.crmf.Controls
  super_class: org.bouncycastle.asn1.ASN1Encodable
{
  private org.bouncycastle.asn1.ASN1Sequence content;
    descriptor: Lorg/bouncycastle/asn1/ASN1Sequence;
    flags: (0x0002) ACC_PRIVATE

  private void <init>(org.bouncycastle.asn1.ASN1Sequence);
    descriptor: (Lorg/bouncycastle/asn1/ASN1Sequence;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.crmf.Controls this
        start local 1 // org.bouncycastle.asn1.ASN1Sequence seq
         0: .line 14
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 16
            aload 0 /* this */
            aload 1 /* seq */
            putfield org.bouncycastle.asn1.crmf.Controls.content:Lorg/bouncycastle/asn1/ASN1Sequence;
         2: .line 17
            return
        end local 1 // org.bouncycastle.asn1.ASN1Sequence seq
        end local 0 // org.bouncycastle.asn1.crmf.Controls this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/asn1/crmf/Controls;
            0    3     1   seq  Lorg/bouncycastle/asn1/ASN1Sequence;
    MethodParameters:
      Name  Flags
      seq   

  public static org.bouncycastle.asn1.crmf.Controls getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/crmf/Controls;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Object o
         0: .line 21
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.crmf.Controls
            ifeq 2
         1: .line 23
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.crmf.Controls
            areturn
         2: .line 26
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.ASN1Sequence
            ifeq 4
         3: .line 28
            new org.bouncycastle.asn1.crmf.Controls
            dup
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.ASN1Sequence
            invokespecial org.bouncycastle.asn1.crmf.Controls.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            areturn
         4: .line 31
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Invalid object: "
            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    5     0     o  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      o     

  public void <init>(org.bouncycastle.asn1.crmf.AttributeTypeAndValue);
    descriptor: (Lorg/bouncycastle/asn1/crmf/AttributeTypeAndValue;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.crmf.Controls this
        start local 1 // org.bouncycastle.asn1.crmf.AttributeTypeAndValue atv
         0: .line 34
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 36
            aload 0 /* this */
            new org.bouncycastle.asn1.DERSequence
            dup
            aload 1 /* atv */
            invokespecial org.bouncycastle.asn1.DERSequence.<init>:(Lorg/bouncycastle/asn1/DEREncodable;)V
            putfield org.bouncycastle.asn1.crmf.Controls.content:Lorg/bouncycastle/asn1/ASN1Sequence;
         2: .line 37
            return
        end local 1 // org.bouncycastle.asn1.crmf.AttributeTypeAndValue atv
        end local 0 // org.bouncycastle.asn1.crmf.Controls this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/asn1/crmf/Controls;
            0    3     1   atv  Lorg/bouncycastle/asn1/crmf/AttributeTypeAndValue;
    MethodParameters:
      Name  Flags
      atv   

  public void <init>(org.bouncycastle.asn1.crmf.AttributeTypeAndValue[]);
    descriptor: ([Lorg/bouncycastle/asn1/crmf/AttributeTypeAndValue;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // org.bouncycastle.asn1.crmf.Controls this
        start local 1 // org.bouncycastle.asn1.crmf.AttributeTypeAndValue[] atvs
         0: .line 39
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 41
            new org.bouncycastle.asn1.ASN1EncodableVector
            dup
            invokespecial org.bouncycastle.asn1.ASN1EncodableVector.<init>:()V
            astore 2 /* v */
        start local 2 // org.bouncycastle.asn1.ASN1EncodableVector v
         2: .line 42
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         3: goto 6
         4: .line 43
      StackMap locals: org.bouncycastle.asn1.crmf.Controls org.bouncycastle.asn1.crmf.AttributeTypeAndValue[] org.bouncycastle.asn1.ASN1EncodableVector int
      StackMap stack:
            aload 2 /* v */
            aload 1 /* atvs */
            iload 3 /* i */
            aaload
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         5: .line 42
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         6: iload 3 /* i */
            aload 1 /* atvs */
            arraylength
            if_icmplt 4
        end local 3 // int i
         7: .line 45
            aload 0 /* this */
            new org.bouncycastle.asn1.DERSequence
            dup
            aload 2 /* v */
            invokespecial org.bouncycastle.asn1.DERSequence.<init>:(Lorg/bouncycastle/asn1/ASN1EncodableVector;)V
            putfield org.bouncycastle.asn1.crmf.Controls.content:Lorg/bouncycastle/asn1/ASN1Sequence;
         8: .line 46
            return
        end local 2 // org.bouncycastle.asn1.ASN1EncodableVector v
        end local 1 // org.bouncycastle.asn1.crmf.AttributeTypeAndValue[] atvs
        end local 0 // org.bouncycastle.asn1.crmf.Controls this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/bouncycastle/asn1/crmf/Controls;
            0    9     1  atvs  [Lorg/bouncycastle/asn1/crmf/AttributeTypeAndValue;
            2    9     2     v  Lorg/bouncycastle/asn1/ASN1EncodableVector;
            3    7     3     i  I
    MethodParameters:
      Name  Flags
      atvs  

  public org.bouncycastle.asn1.crmf.AttributeTypeAndValue[] toAttributeTypeAndValueArray();
    descriptor: ()[Lorg/bouncycastle/asn1/crmf/AttributeTypeAndValue;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=1
        start local 0 // org.bouncycastle.asn1.crmf.Controls this
         0: .line 50
            aload 0 /* this */
            getfield org.bouncycastle.asn1.crmf.Controls.content:Lorg/bouncycastle/asn1/ASN1Sequence;
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.size:()I
            anewarray org.bouncycastle.asn1.crmf.AttributeTypeAndValue
            astore 1 /* result */
        start local 1 // org.bouncycastle.asn1.crmf.AttributeTypeAndValue[] result
         1: .line 52
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         2: goto 5
         3: .line 54
      StackMap locals: org.bouncycastle.asn1.crmf.AttributeTypeAndValue[] int
      StackMap stack:
            aload 1 /* result */
            iload 2 /* i */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.crmf.Controls.content:Lorg/bouncycastle/asn1/ASN1Sequence;
            iload 2 /* i */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            invokestatic org.bouncycastle.asn1.crmf.AttributeTypeAndValue.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/crmf/AttributeTypeAndValue;
            aastore
         4: .line 52
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
         5: iload 2 /* i */
            aload 1 /* result */
            arraylength
            if_icmpne 3
        end local 2 // int i
         6: .line 57
            aload 1 /* result */
            areturn
        end local 1 // org.bouncycastle.asn1.crmf.AttributeTypeAndValue[] result
        end local 0 // org.bouncycastle.asn1.crmf.Controls this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0    this  Lorg/bouncycastle/asn1/crmf/Controls;
            1    7     1  result  [Lorg/bouncycastle/asn1/crmf/AttributeTypeAndValue;
            2    6     2       i  I

  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.crmf.Controls this
         0: .line 68
            aload 0 /* this */
            getfield org.bouncycastle.asn1.crmf.Controls.content:Lorg/bouncycastle/asn1/ASN1Sequence;
            areturn
        end local 0 // org.bouncycastle.asn1.crmf.Controls this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/crmf/Controls;
}
SourceFile: "Controls.java"