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.DERIA5String extends org.bouncycastle.asn1.ASN1Object implements org.bouncycastle.asn1.DERString
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.asn1.DERIA5String
  super_class: org.bouncycastle.asn1.ASN1Object
{
  java.lang.String string;
    descriptor: Ljava/lang/String;
    flags: (0x0000) 

  public static org.bouncycastle.asn1.DERIA5String getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/DERIA5String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Object obj
         0: .line 22
            aload 0 /* obj */
            ifnull 1
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.DERIA5String
            ifeq 2
         1: .line 24
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.DERIA5String
            areturn
         2: .line 27
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "illegal object in getInstance: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* obj */
            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 obj
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0   obj  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      obj   

  public static org.bouncycastle.asn1.DERIA5String getInstance(org.bouncycastle.asn1.ASN1TaggedObject, boolean);
    descriptor: (Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/DERIA5String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.bouncycastle.asn1.ASN1TaggedObject obj
        start local 1 // boolean explicit
         0: .line 43
            aload 0 /* obj */
            invokevirtual org.bouncycastle.asn1.ASN1TaggedObject.getObject:()Lorg/bouncycastle/asn1/DERObject;
            astore 2 /* o */
        start local 2 // org.bouncycastle.asn1.DERObject o
         1: .line 45
            iload 1 /* explicit */
            ifne 2
            aload 2 /* o */
            instanceof org.bouncycastle.asn1.DERIA5String
            ifeq 3
         2: .line 47
      StackMap locals: org.bouncycastle.asn1.DERObject
      StackMap stack:
            aload 2 /* o */
            invokestatic org.bouncycastle.asn1.DERIA5String.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/DERIA5String;
            areturn
         3: .line 51
      StackMap locals:
      StackMap stack:
            new org.bouncycastle.asn1.DERIA5String
            dup
            aload 2 /* o */
            checkcast org.bouncycastle.asn1.ASN1OctetString
            invokevirtual org.bouncycastle.asn1.ASN1OctetString.getOctets:()[B
            invokespecial org.bouncycastle.asn1.DERIA5String.<init>:([B)V
            areturn
        end local 2 // org.bouncycastle.asn1.DERObject o
        end local 1 // boolean explicit
        end local 0 // org.bouncycastle.asn1.ASN1TaggedObject obj
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    4     0       obj  Lorg/bouncycastle/asn1/ASN1TaggedObject;
            0    4     1  explicit  Z
            1    4     2         o  Lorg/bouncycastle/asn1/DERObject;
    MethodParameters:
          Name  Flags
      obj       
      explicit  

  public void <init>(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // org.bouncycastle.asn1.DERIA5String this
        start local 1 // byte[] string
         0: .line 58
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Object.<init>:()V
         1: .line 61
            aload 1 /* string */
            arraylength
            newarray 5
            astore 2 /* cs */
        start local 2 // char[] cs
         2: .line 63
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         3: goto 6
         4: .line 65
      StackMap locals: org.bouncycastle.asn1.DERIA5String byte[] char[] int
      StackMap stack:
            aload 2 /* cs */
            iload 3 /* i */
            aload 1 /* string */
            iload 3 /* i */
            baload
            sipush 255
            iand
            i2c
            castore
         5: .line 63
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         6: iload 3 /* i */
            aload 2 /* cs */
            arraylength
            if_icmpne 4
        end local 3 // int i
         7: .line 68
            aload 0 /* this */
            new java.lang.String
            dup
            aload 2 /* cs */
            invokespecial java.lang.String.<init>:([C)V
            putfield org.bouncycastle.asn1.DERIA5String.string:Ljava/lang/String;
         8: .line 69
            return
        end local 2 // char[] cs
        end local 1 // byte[] string
        end local 0 // org.bouncycastle.asn1.DERIA5String this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    9     0    this  Lorg/bouncycastle/asn1/DERIA5String;
            0    9     1  string  [B
            2    9     2      cs  [C
            3    7     3       i  I
    MethodParameters:
        Name  Flags
      string  

  public void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.DERIA5String this
        start local 1 // java.lang.String string
         0: .line 77
            aload 0 /* this */
            aload 1 /* string */
            iconst_0
            invokespecial org.bouncycastle.asn1.DERIA5String.<init>:(Ljava/lang/String;Z)V
         1: .line 78
            return
        end local 1 // java.lang.String string
        end local 0 // org.bouncycastle.asn1.DERIA5String this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/asn1/DERIA5String;
            0    2     1  string  Ljava/lang/String;
    MethodParameters:
        Name  Flags
      string  

  public void <init>(java.lang.String, boolean);
    descriptor: (Ljava/lang/String;Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.bouncycastle.asn1.DERIA5String this
        start local 1 // java.lang.String string
        start local 2 // boolean validate
         0: .line 88
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Object.<init>:()V
         1: .line 92
            aload 1 /* string */
            ifnonnull 3
         2: .line 94
            new java.lang.NullPointerException
            dup
            ldc "string cannot be null"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 96
      StackMap locals: org.bouncycastle.asn1.DERIA5String java.lang.String int
      StackMap stack:
            iload 2 /* validate */
            ifeq 5
            aload 1 /* string */
            invokestatic org.bouncycastle.asn1.DERIA5String.isIA5String:(Ljava/lang/String;)Z
            ifne 5
         4: .line 98
            new java.lang.IllegalArgumentException
            dup
            ldc "string contains illegal characters"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 101
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* string */
            putfield org.bouncycastle.asn1.DERIA5String.string:Ljava/lang/String;
         6: .line 102
            return
        end local 2 // boolean validate
        end local 1 // java.lang.String string
        end local 0 // org.bouncycastle.asn1.DERIA5String this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Lorg/bouncycastle/asn1/DERIA5String;
            0    7     1    string  Ljava/lang/String;
            0    7     2  validate  Z
    MethodParameters:
          Name  Flags
      string    
      validate  

  public java.lang.String getString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.DERIA5String this
         0: .line 106
            aload 0 /* this */
            getfield org.bouncycastle.asn1.DERIA5String.string:Ljava/lang/String;
            areturn
        end local 0 // org.bouncycastle.asn1.DERIA5String this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/DERIA5String;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.DERIA5String this
         0: .line 111
            aload 0 /* this */
            getfield org.bouncycastle.asn1.DERIA5String.string:Ljava/lang/String;
            areturn
        end local 0 // org.bouncycastle.asn1.DERIA5String this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/DERIA5String;

  public byte[] getOctets();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=1
        start local 0 // org.bouncycastle.asn1.DERIA5String this
         0: .line 116
            aload 0 /* this */
            getfield org.bouncycastle.asn1.DERIA5String.string:Ljava/lang/String;
            invokevirtual java.lang.String.toCharArray:()[C
            astore 1 /* cs */
        start local 1 // char[] cs
         1: .line 117
            aload 1 /* cs */
            arraylength
            newarray 8
            astore 2 /* bs */
        start local 2 // byte[] bs
         2: .line 119
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         3: goto 6
         4: .line 121
      StackMap locals: char[] byte[] int
      StackMap stack:
            aload 2 /* bs */
            iload 3 /* i */
            aload 1 /* cs */
            iload 3 /* i */
            caload
            i2b
            bastore
         5: .line 119
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         6: iload 3 /* i */
            aload 1 /* cs */
            arraylength
            if_icmpne 4
        end local 3 // int i
         7: .line 124
            aload 2 /* bs */
            areturn
        end local 2 // byte[] bs
        end local 1 // char[] cs
        end local 0 // org.bouncycastle.asn1.DERIA5String this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lorg/bouncycastle/asn1/DERIA5String;
            1    8     1    cs  [C
            2    8     2    bs  [B
            3    7     3     i  I

  void encode(org.bouncycastle.asn1.DEROutputStream);
    descriptor: (Lorg/bouncycastle/asn1/DEROutputStream;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.DERIA5String this
        start local 1 // org.bouncycastle.asn1.DEROutputStream out
         0: .line 131
            aload 1 /* out */
            bipush 22
            aload 0 /* this */
            invokevirtual org.bouncycastle.asn1.DERIA5String.getOctets:()[B
            invokevirtual org.bouncycastle.asn1.DEROutputStream.writeEncoded:(I[B)V
         1: .line 132
            return
        end local 1 // org.bouncycastle.asn1.DEROutputStream out
        end local 0 // org.bouncycastle.asn1.DERIA5String this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/asn1/DERIA5String;
            0    2     1   out  Lorg/bouncycastle/asn1/DEROutputStream;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      out   

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.DERIA5String this
         0: .line 136
            aload 0 /* this */
            invokevirtual org.bouncycastle.asn1.DERIA5String.getString:()Ljava/lang/String;
            invokevirtual java.lang.String.hashCode:()I
            ireturn
        end local 0 // org.bouncycastle.asn1.DERIA5String this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/DERIA5String;

  boolean asn1Equals(org.bouncycastle.asn1.DERObject);
    descriptor: (Lorg/bouncycastle/asn1/DERObject;)Z
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.bouncycastle.asn1.DERIA5String this
        start local 1 // org.bouncycastle.asn1.DERObject o
         0: .line 142
            aload 1 /* o */
            instanceof org.bouncycastle.asn1.DERIA5String
            ifne 2
         1: .line 144
            iconst_0
            ireturn
         2: .line 147
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            checkcast org.bouncycastle.asn1.DERIA5String
            astore 2 /* s */
        start local 2 // org.bouncycastle.asn1.DERIA5String s
         3: .line 149
            aload 0 /* this */
            invokevirtual org.bouncycastle.asn1.DERIA5String.getString:()Ljava/lang/String;
            aload 2 /* s */
            invokevirtual org.bouncycastle.asn1.DERIA5String.getString:()Ljava/lang/String;
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ireturn
        end local 2 // org.bouncycastle.asn1.DERIA5String s
        end local 1 // org.bouncycastle.asn1.DERObject o
        end local 0 // org.bouncycastle.asn1.DERIA5String this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/bouncycastle/asn1/DERIA5String;
            0    4     1     o  Lorg/bouncycastle/asn1/DERObject;
            3    4     2     s  Lorg/bouncycastle/asn1/DERIA5String;
    MethodParameters:
      Name  Flags
      o     

  public static boolean isIA5String(java.lang.String);
    descriptor: (Ljava/lang/String;)Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // java.lang.String str
         0: .line 161
            aload 0 /* str */
            invokevirtual java.lang.String.length:()I
            iconst_1
            isub
            istore 1 /* i */
        start local 1 // int i
         1: goto 6
         2: .line 163
      StackMap locals: int
      StackMap stack:
            aload 0 /* str */
            iload 1 /* i */
            invokevirtual java.lang.String.charAt:(I)C
            istore 2 /* ch */
        start local 2 // char ch
         3: .line 165
            iload 2 /* ch */
            bipush 127
            if_icmple 5
         4: .line 167
            iconst_0
            ireturn
        end local 2 // char ch
         5: .line 161
      StackMap locals:
      StackMap stack:
            iinc 1 /* i */ -1
      StackMap locals:
      StackMap stack:
         6: iload 1 /* i */
            ifge 2
        end local 1 // int i
         7: .line 171
            iconst_1
            ireturn
        end local 0 // java.lang.String str
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0   str  Ljava/lang/String;
            1    7     1     i  I
            3    5     2    ch  C
    MethodParameters:
      Name  Flags
      str   
}
SourceFile: "DERIA5String.java"