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 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
public class org.bouncycastle.jcajce.util.AlgorithmParametersUtils
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.jcajce.util.AlgorithmParametersUtils
  super_class: java.lang.Object
{
  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.jcajce.util.AlgorithmParametersUtils this
         0: .line 16
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 19
            return
        end local 0 // org.bouncycastle.jcajce.util.AlgorithmParametersUtils this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/jcajce/util/AlgorithmParametersUtils;

  public static org.bouncycastle.asn1.ASN1Encodable extractParameters(java.security.AlgorithmParameters);
    descriptor: (Ljava/security/AlgorithmParameters;)Lorg/bouncycastle/asn1/ASN1Encodable;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.security.AlgorithmParameters params
         0: .line 35
            aload 0 /* params */
            ldc "ASN.1"
            invokevirtual java.security.AlgorithmParameters.getEncoded:(Ljava/lang/String;)[B
            invokestatic org.bouncycastle.asn1.ASN1Primitive.fromByteArray:([B)Lorg/bouncycastle/asn1/ASN1Primitive;
            astore 1 /* asn1Params */
        start local 1 // org.bouncycastle.asn1.ASN1Encodable asn1Params
         1: .line 36
            goto 4
        end local 1 // org.bouncycastle.asn1.ASN1Encodable asn1Params
         2: .line 37
      StackMap locals:
      StackMap stack: java.lang.Exception
            pop
         3: .line 39
            aload 0 /* params */
            invokevirtual java.security.AlgorithmParameters.getEncoded:()[B
            invokestatic org.bouncycastle.asn1.ASN1Primitive.fromByteArray:([B)Lorg/bouncycastle/asn1/ASN1Primitive;
            astore 1 /* asn1Params */
        start local 1 // org.bouncycastle.asn1.ASN1Encodable asn1Params
         4: .line 42
      StackMap locals: org.bouncycastle.asn1.ASN1Encodable
      StackMap stack:
            aload 1 /* asn1Params */
            areturn
        end local 1 // org.bouncycastle.asn1.ASN1Encodable asn1Params
        end local 0 // java.security.AlgorithmParameters params
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    5     0      params  Ljava/security/AlgorithmParameters;
            1    2     1  asn1Params  Lorg/bouncycastle/asn1/ASN1Encodable;
            4    5     1  asn1Params  Lorg/bouncycastle/asn1/ASN1Encodable;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.Exception
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      params  

  public static void loadParameters(java.security.AlgorithmParameters, org.bouncycastle.asn1.ASN1Encodable);
    descriptor: (Ljava/security/AlgorithmParameters;Lorg/bouncycastle/asn1/ASN1Encodable;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.security.AlgorithmParameters params
        start local 1 // org.bouncycastle.asn1.ASN1Encodable sParams
         0: .line 58
            aload 0 /* params */
            aload 1 /* sParams */
            invokeinterface org.bouncycastle.asn1.ASN1Encodable.toASN1Primitive:()Lorg/bouncycastle/asn1/ASN1Primitive;
            invokevirtual org.bouncycastle.asn1.ASN1Primitive.getEncoded:()[B
            ldc "ASN.1"
            invokevirtual java.security.AlgorithmParameters.init:([BLjava/lang/String;)V
         1: .line 59
            goto 4
         2: .line 60
      StackMap locals:
      StackMap stack: java.lang.Exception
            pop
         3: .line 62
            aload 0 /* params */
            aload 1 /* sParams */
            invokeinterface org.bouncycastle.asn1.ASN1Encodable.toASN1Primitive:()Lorg/bouncycastle/asn1/ASN1Primitive;
            invokevirtual org.bouncycastle.asn1.ASN1Primitive.getEncoded:()[B
            invokevirtual java.security.AlgorithmParameters.init:([B)V
         4: .line 64
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.bouncycastle.asn1.ASN1Encodable sParams
        end local 0 // java.security.AlgorithmParameters params
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0   params  Ljava/security/AlgorithmParameters;
            0    5     1  sParams  Lorg/bouncycastle/asn1/ASN1Encodable;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.Exception
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      params   
      sParams  
}
SourceFile: "AlgorithmParametersUtils.java"