http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
public abstract class org.bouncycastle.cms.bc.BcPasswordRecipient implements org.bouncycastle.cms.PasswordRecipient
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.bouncycastle.cms.bc.BcPasswordRecipient
  super_class: java.lang.Object
{
  private final char[] password;
    descriptor: [C
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private int schemeID;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  void <init>(char[]);
    descriptor: ([C)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
        start local 1 // char[] password
         0: .line 26
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 24
            aload 0 /* this */
            iconst_1
            putfield org.bouncycastle.cms.bc.BcPasswordRecipient.schemeID:I
         2: .line 29
            aload 0 /* this */
            aload 1 /* password */
            putfield org.bouncycastle.cms.bc.BcPasswordRecipient.password:[C
         3: .line 30
            return
        end local 1 // char[] password
        end local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    4     0      this  Lorg/bouncycastle/cms/bc/BcPasswordRecipient;
            0    4     1  password  [C
    MethodParameters:
          Name  Flags
      password  

  public org.bouncycastle.cms.bc.BcPasswordRecipient setPasswordConversionScheme(int);
    descriptor: (I)Lorg/bouncycastle/cms/bc/BcPasswordRecipient;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
        start local 1 // int schemeID
         0: .line 34
            aload 0 /* this */
            iload 1 /* schemeID */
            putfield org.bouncycastle.cms.bc.BcPasswordRecipient.schemeID:I
         1: .line 36
            aload 0 /* this */
            areturn
        end local 1 // int schemeID
        end local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lorg/bouncycastle/cms/bc/BcPasswordRecipient;
            0    2     1  schemeID  I
    MethodParameters:
          Name  Flags
      schemeID  

  protected org.bouncycastle.crypto.params.KeyParameter extractSecretKey(org.bouncycastle.asn1.x509.AlgorithmIdentifier, org.bouncycastle.asn1.x509.AlgorithmIdentifier, byte[], byte[]);
    descriptor: (Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;[B[B)Lorg/bouncycastle/crypto/params/KeyParameter;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=7, locals=7, args_size=5
        start local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
        start local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier keyEncryptionAlgorithm
        start local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier contentEncryptionAlgorithm
        start local 3 // byte[] derivedKey
        start local 4 // byte[] encryptedContentEncryptionKey
         0: .line 42
            aload 1 /* keyEncryptionAlgorithm */
            invokevirtual org.bouncycastle.asn1.x509.AlgorithmIdentifier.getAlgorithm:()Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokestatic org.bouncycastle.cms.bc.EnvelopedDataHelper.createRFC3211Wrapper:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)Lorg/bouncycastle/crypto/Wrapper;
            astore 5 /* keyEncryptionCipher */
        start local 5 // org.bouncycastle.crypto.Wrapper keyEncryptionCipher
         1: .line 44
            aload 5 /* keyEncryptionCipher */
            iconst_0
            new org.bouncycastle.crypto.params.ParametersWithIV
            dup
            new org.bouncycastle.crypto.params.KeyParameter
            dup
            aload 3 /* derivedKey */
            invokespecial org.bouncycastle.crypto.params.KeyParameter.<init>:([B)V
            aload 1 /* keyEncryptionAlgorithm */
            invokevirtual org.bouncycastle.asn1.x509.AlgorithmIdentifier.getParameters:()Lorg/bouncycastle/asn1/ASN1Encodable;
            invokestatic org.bouncycastle.asn1.ASN1OctetString.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/ASN1OctetString;
            invokevirtual org.bouncycastle.asn1.ASN1OctetString.getOctets:()[B
            invokespecial org.bouncycastle.crypto.params.ParametersWithIV.<init>:(Lorg/bouncycastle/crypto/CipherParameters;[B)V
            invokeinterface org.bouncycastle.crypto.Wrapper.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
         2: .line 48
            new org.bouncycastle.crypto.params.KeyParameter
            dup
            aload 5 /* keyEncryptionCipher */
            aload 4 /* encryptedContentEncryptionKey */
            iconst_0
            aload 4 /* encryptedContentEncryptionKey */
            arraylength
            invokeinterface org.bouncycastle.crypto.Wrapper.unwrap:([BII)[B
            invokespecial org.bouncycastle.crypto.params.KeyParameter.<init>:([B)V
         3: areturn
         4: .line 50
      StackMap locals: org.bouncycastle.cms.bc.BcPasswordRecipient org.bouncycastle.asn1.x509.AlgorithmIdentifier org.bouncycastle.asn1.x509.AlgorithmIdentifier byte[] byte[] org.bouncycastle.crypto.Wrapper
      StackMap stack: org.bouncycastle.crypto.InvalidCipherTextException
            astore 6 /* e */
        start local 6 // org.bouncycastle.crypto.InvalidCipherTextException e
         5: .line 52
            new org.bouncycastle.cms.CMSException
            dup
            new java.lang.StringBuilder
            dup
            ldc "unable to unwrap key: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 6 /* e */
            invokevirtual org.bouncycastle.crypto.InvalidCipherTextException.getMessage:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 6 /* e */
            invokespecial org.bouncycastle.cms.CMSException.<init>:(Ljava/lang/String;Ljava/lang/Exception;)V
            athrow
        end local 6 // org.bouncycastle.crypto.InvalidCipherTextException e
        end local 5 // org.bouncycastle.crypto.Wrapper keyEncryptionCipher
        end local 4 // byte[] encryptedContentEncryptionKey
        end local 3 // byte[] derivedKey
        end local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier contentEncryptionAlgorithm
        end local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier keyEncryptionAlgorithm
        end local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
      LocalVariableTable:
        Start  End  Slot                           Name  Signature
            0    6     0                           this  Lorg/bouncycastle/cms/bc/BcPasswordRecipient;
            0    6     1         keyEncryptionAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0    6     2     contentEncryptionAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0    6     3                     derivedKey  [B
            0    6     4  encryptedContentEncryptionKey  [B
            1    6     5            keyEncryptionCipher  Lorg/bouncycastle/crypto/Wrapper;
            5    6     6                              e  Lorg/bouncycastle/crypto/InvalidCipherTextException;
      Exception table:
        from    to  target  type
           2     3       4  Class org.bouncycastle.crypto.InvalidCipherTextException
    Exceptions:
      throws org.bouncycastle.cms.CMSException
    MethodParameters:
                               Name  Flags
      keyEncryptionAlgorithm         
      contentEncryptionAlgorithm     
      derivedKey                     
      encryptedContentEncryptionKey  

  public byte[] calculateDerivedKey(int, org.bouncycastle.asn1.x509.AlgorithmIdentifier, int);
    descriptor: (ILorg/bouncycastle/asn1/x509/AlgorithmIdentifier;I)[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=7, args_size=4
        start local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
        start local 1 // int schemeID
        start local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier derivationAlgorithm
        start local 3 // int keySize
         0: .line 59
            aload 2 /* derivationAlgorithm */
            invokevirtual org.bouncycastle.asn1.x509.AlgorithmIdentifier.getParameters:()Lorg/bouncycastle/asn1/ASN1Encodable;
            invokestatic org.bouncycastle.asn1.pkcs.PBKDF2Params.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/pkcs/PBKDF2Params;
            astore 4 /* params */
        start local 4 // org.bouncycastle.asn1.pkcs.PBKDF2Params params
         1: .line 60
            iload 1 /* schemeID */
            ifne 2
            aload 0 /* this */
            getfield org.bouncycastle.cms.bc.BcPasswordRecipient.password:[C
            invokestatic org.bouncycastle.crypto.PBEParametersGenerator.PKCS5PasswordToBytes:([C)[B
            goto 3
      StackMap locals: org.bouncycastle.asn1.pkcs.PBKDF2Params
      StackMap stack:
         2: aload 0 /* this */
            getfield org.bouncycastle.cms.bc.BcPasswordRecipient.password:[C
            invokestatic org.bouncycastle.crypto.PBEParametersGenerator.PKCS5PasswordToUTF8Bytes:([C)[B
      StackMap locals:
      StackMap stack: byte[]
         3: astore 5 /* encodedPassword */
        start local 5 // byte[] encodedPassword
         4: .line 64
            new org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator
            dup
            aload 4 /* params */
            invokevirtual org.bouncycastle.asn1.pkcs.PBKDF2Params.getPrf:()Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            invokestatic org.bouncycastle.cms.bc.EnvelopedDataHelper.getPRF:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Lorg/bouncycastle/crypto/ExtendedDigest;
            invokespecial org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator.<init>:(Lorg/bouncycastle/crypto/Digest;)V
            astore 6 /* gen */
        start local 6 // org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator gen
         5: .line 66
            aload 6 /* gen */
            aload 5 /* encodedPassword */
            aload 4 /* params */
            invokevirtual org.bouncycastle.asn1.pkcs.PBKDF2Params.getSalt:()[B
            aload 4 /* params */
            invokevirtual org.bouncycastle.asn1.pkcs.PBKDF2Params.getIterationCount:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.intValue:()I
            invokevirtual org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator.init:([B[BI)V
         6: .line 68
            aload 6 /* gen */
            iload 3 /* keySize */
            invokevirtual org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator.generateDerivedParameters:(I)Lorg/bouncycastle/crypto/CipherParameters;
            checkcast org.bouncycastle.crypto.params.KeyParameter
            invokevirtual org.bouncycastle.crypto.params.KeyParameter.getKey:()[B
         7: areturn
        end local 6 // org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator gen
         8: .line 70
      StackMap locals: org.bouncycastle.cms.bc.BcPasswordRecipient int org.bouncycastle.asn1.x509.AlgorithmIdentifier int org.bouncycastle.asn1.pkcs.PBKDF2Params byte[]
      StackMap stack: java.lang.Exception
            astore 6 /* e */
        start local 6 // java.lang.Exception e
         9: .line 72
            new org.bouncycastle.cms.CMSException
            dup
            new java.lang.StringBuilder
            dup
            ldc "exception creating derived key: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 6 /* e */
            invokevirtual java.lang.Exception.getMessage:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 6 /* e */
            invokespecial org.bouncycastle.cms.CMSException.<init>:(Ljava/lang/String;Ljava/lang/Exception;)V
            athrow
        end local 6 // java.lang.Exception e
        end local 5 // byte[] encodedPassword
        end local 4 // org.bouncycastle.asn1.pkcs.PBKDF2Params params
        end local 3 // int keySize
        end local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier derivationAlgorithm
        end local 1 // int schemeID
        end local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0   10     0                 this  Lorg/bouncycastle/cms/bc/BcPasswordRecipient;
            0   10     1             schemeID  I
            0   10     2  derivationAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0   10     3              keySize  I
            1   10     4               params  Lorg/bouncycastle/asn1/pkcs/PBKDF2Params;
            4   10     5      encodedPassword  [B
            5    8     6                  gen  Lorg/bouncycastle/crypto/generators/PKCS5S2ParametersGenerator;
            9   10     6                    e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           4     7       8  Class java.lang.Exception
    Exceptions:
      throws org.bouncycastle.cms.CMSException
    MethodParameters:
                     Name  Flags
      schemeID             
      derivationAlgorithm  
      keySize              

  public int getPasswordConversionScheme();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
         0: .line 78
            aload 0 /* this */
            getfield org.bouncycastle.cms.bc.BcPasswordRecipient.schemeID:I
            ireturn
        end local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cms/bc/BcPasswordRecipient;

  public char[] getPassword();
    descriptor: ()[C
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
         0: .line 83
            aload 0 /* this */
            getfield org.bouncycastle.cms.bc.BcPasswordRecipient.password:[C
            areturn
        end local 0 // org.bouncycastle.cms.bc.BcPasswordRecipient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cms/bc/BcPasswordRecipient;
}
SourceFile: "BcPasswordRecipient.java"