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. 
class org.bouncycastle.openssl.PEMReader$PrivateKeyParser implements org.bouncycastle.util.io.pem.PemObjectParser
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.openssl.PEMReader$PrivateKeyParser
  super_class: java.lang.Object
{
  private java.lang.String provider;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  final org.bouncycastle.openssl.PEMReader this$0;
    descriptor: Lorg/bouncycastle/openssl/PEMReader;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  public void <init>(org.bouncycastle.openssl.PEMReader, java.lang.String);
    descriptor: (Lorg/bouncycastle/openssl/PEMReader;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.openssl.PEMReader$PrivateKeyParser this
        start local 2 // java.lang.String provider
         0: .line 782
            aload 0 /* this */
            aload 1
            putfield org.bouncycastle.openssl.PEMReader$PrivateKeyParser.this$0:Lorg/bouncycastle/openssl/PEMReader;
         1: .line 781
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         2: .line 783
            aload 0 /* this */
            aload 2 /* provider */
            putfield org.bouncycastle.openssl.PEMReader$PrivateKeyParser.provider:Ljava/lang/String;
         3: .line 784
            return
        end local 2 // java.lang.String provider
        end local 0 // org.bouncycastle.openssl.PEMReader$PrivateKeyParser this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    4     0      this  Lorg/bouncycastle/openssl/PEMReader$PrivateKeyParser;
            0    4     2  provider  Ljava/lang/String;
    MethodParameters:
          Name  Flags
      this$0    final
      provider  

  public java.lang.Object parseObject(org.bouncycastle.util.io.pem.PemObject);
    descriptor: (Lorg/bouncycastle/util/io/pem/PemObject;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // org.bouncycastle.openssl.PEMReader$PrivateKeyParser this
        start local 1 // org.bouncycastle.util.io.pem.PemObject obj
         0: .line 791
            aload 1 /* obj */
            invokevirtual org.bouncycastle.util.io.pem.PemObject.getContent:()[B
            invokestatic org.bouncycastle.asn1.ASN1Object.fromByteArray:([B)Lorg/bouncycastle/asn1/ASN1Object;
            invokestatic org.bouncycastle.asn1.pkcs.PrivateKeyInfo.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/pkcs/PrivateKeyInfo;
            astore 2 /* info */
        start local 2 // org.bouncycastle.asn1.pkcs.PrivateKeyInfo info
         1: .line 792
            new java.security.spec.PKCS8EncodedKeySpec
            dup
            aload 1 /* obj */
            invokevirtual org.bouncycastle.util.io.pem.PemObject.getContent:()[B
            invokespecial java.security.spec.PKCS8EncodedKeySpec.<init>:([B)V
            astore 3 /* keySpec */
        start local 3 // java.security.spec.PKCS8EncodedKeySpec keySpec
         2: .line 794
            aload 2 /* info */
            invokevirtual org.bouncycastle.asn1.pkcs.PrivateKeyInfo.getAlgorithmId:()Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            invokevirtual org.bouncycastle.asn1.x509.AlgorithmIdentifier.getAlgorithm:()Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.getId:()Ljava/lang/String;
            aload 0 /* this */
            getfield org.bouncycastle.openssl.PEMReader$PrivateKeyParser.provider:Ljava/lang/String;
            invokestatic java.security.KeyFactory.getInstance:(Ljava/lang/String;Ljava/lang/String;)Ljava/security/KeyFactory;
            astore 4 /* keyFact */
        start local 4 // java.security.KeyFactory keyFact
         3: .line 796
            aload 4 /* keyFact */
            aload 3 /* keySpec */
            invokevirtual java.security.KeyFactory.generatePrivate:(Ljava/security/spec/KeySpec;)Ljava/security/PrivateKey;
         4: areturn
        end local 4 // java.security.KeyFactory keyFact
        end local 3 // java.security.spec.PKCS8EncodedKeySpec keySpec
        end local 2 // org.bouncycastle.asn1.pkcs.PrivateKeyInfo info
         5: .line 798
      StackMap locals:
      StackMap stack: java.lang.Exception
            astore 2 /* e */
        start local 2 // java.lang.Exception e
         6: .line 800
            new org.bouncycastle.openssl.PEMException
            dup
            new java.lang.StringBuilder
            dup
            ldc "problem parsing PRIVATE KEY: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* e */
            invokevirtual java.lang.Exception.toString:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 2 /* e */
            invokespecial org.bouncycastle.openssl.PEMException.<init>:(Ljava/lang/String;Ljava/lang/Exception;)V
            athrow
        end local 2 // java.lang.Exception e
        end local 1 // org.bouncycastle.util.io.pem.PemObject obj
        end local 0 // org.bouncycastle.openssl.PEMReader$PrivateKeyParser this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    7     0     this  Lorg/bouncycastle/openssl/PEMReader$PrivateKeyParser;
            0    7     1      obj  Lorg/bouncycastle/util/io/pem/PemObject;
            1    5     2     info  Lorg/bouncycastle/asn1/pkcs/PrivateKeyInfo;
            2    5     3  keySpec  Ljava/security/spec/PKCS8EncodedKeySpec;
            3    5     4  keyFact  Ljava/security/KeyFactory;
            6    7     2        e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           0     4       5  Class java.lang.Exception
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      obj   
}
SourceFile: "PEMReader.java"
NestHost: org.bouncycastle.openssl.PEMReader
InnerClasses:
  private PrivateKeyParser = org.bouncycastle.openssl.PEMReader$PrivateKeyParser of org.bouncycastle.openssl.PEMReader