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Class ContainerEncryptionParams

  • All Implemented Interfaces:

    public class ContainerEncryptionParams
    extends Object
    implements Parcelable
    Represents encryption parameters used to read a container.
    • Constructor Detail

      • ContainerEncryptionParams

        public ContainerEncryptionParams(String encryptionAlgorithm,
                                 AlgorithmParameterSpec encryptionSpec,
                                 SecretKey encryptionKey,
                                 String macAlgorithm,
                                 AlgorithmParameterSpec macSpec,
                                 SecretKey macKey,
                                 byte[] macTag,
                                 long authenticatedDataStart,
                                 long encryptedDataStart,
                                 long dataEnd)
                                  throws InvalidAlgorithmParameterException
        Creates container encryption specifications for installing from encrypted containers.
        encryptionAlgorithm - encryption algorithm to use; format matches JCE
        encryptionSpec - algorithm parameter specification
        encryptionKey - key used for decryption
        macAlgorithm - MAC algorithm to use; format matches JCE
        macSpec - algorithm parameters specification, may be null
        macKey - key used for authentication (i.e., for the MAC tag)
        macTag - message authentication code (MAC) tag for the authenticated data
        authenticatedDataStart - offset of start of authenticated data in stream
        encryptedDataStart - offset of start of encrypted data in stream
        dataEnd - offset of the end of both the authenticated and encrypted data
    • Method Detail

      • getEncryptionAlgorithm

        public String getEncryptionAlgorithm()
      • getEncryptionKey

        public SecretKey getEncryptionKey()
      • getMacAlgorithm

        public String getMacAlgorithm()
      • getMacTag

        public byte[] getMacTag()
      • getAuthenticatedDataStart

        public long getAuthenticatedDataStart()
      • getEncryptedDataStart

        public long getEncryptedDataStart()
      • getDataEnd

        public long getDataEnd()
      • describeContents

        public int describeContents()
        Description copied from interface: Parcelable
        Describe the kinds of special objects contained in this Parcelable's marshalled representation.
        Specified by:
        describeContents in interface Parcelable
        a bitmask indicating the set of special object types marshalled by the Parcelable.
      • equals

        public boolean equals(Object o)
        Description copied from class: Object
        Compares this instance with the specified object and indicates if they are equal. In order to be equal, o must represent the same object as this instance using a class-specific comparison. The general contract is that this comparison should be reflexive, symmetric, and transitive. Also, no object reference other than null is equal to null.

        The default implementation returns true only if this == o. See Writing a correct equals method if you intend implementing your own equals method.

        The general contract for the equals and Object.hashCode() methods is that if equals returns true for any two objects, then hashCode() must return the same value for these objects. This means that subclasses of Object usually override either both methods or neither of them.

        equals in class Object
        o - the object to compare this instance with.
        true if the specified object is equal to this Object; false otherwise.
        See Also:
      • hashCode

        public int hashCode()
        Description copied from class: Object
        Returns an integer hash code for this object. By contract, any two objects for which Object.equals(java.lang.Object) returns true must return the same hash code value. This means that subclasses of Object usually override both methods or neither method.

        Note that hash values must not change over time unless information used in equals comparisons also changes.

        See Writing a correct hashCode method if you intend implementing your own hashCode method.

        hashCode in class Object
        this object's hash code.
        See Also:
      • toString

        public String toString()
        Description copied from class: Object
        Returns a string containing a concise, human-readable description of this object. Subclasses are encouraged to override this method and provide an implementation that takes into account the object's type and data. The default implementation is equivalent to the following expression:
           getClass().getName() + '@' + Integer.toHexString(hashCode())

        See Writing a useful toString method if you intend implementing your own toString method.

        toString in class Object
        a printable representation of this object.


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