Package com.gitlab.pdftk_java.com.lowagie.text.pdf

Class PdfEncryption

  • public class PdfEncryption
extends Object
    Author:
    Paulo Soares (psoares@consiste.pt), Kazuya Ujihara

    • Constructor Detail

      • PdfEncryption

        public PdfEncryption()

    • Method Detail

      • setCryptoMode

        public void setCryptoMode​(int mode,
                          int kl)

      • getCryptoMode

        public int getCryptoMode()

      • isMetadataEncrypted

        public boolean isMetadataEncrypted()

      • isEmbeddedFilesOnly

        public boolean isEmbeddedFilesOnly()
        Indicates if only the embedded files have to be encrypted.
        Returns:
        if true only the embedded files will be encrypted
        Since:
        2.1.3

      • setupAllKeys

        public void setupAllKeys​(byte[] userPassword,
                         byte[] ownerPassword,
                         int permissions)

      • createDocumentId

        public static byte[] createDocumentId()

      • setupByUserPassword

        public void setupByUserPassword​(byte[] documentID,
                                byte[] userPassword,
                                byte[] ownerKey,
                                int permissions)

      • setupByOwnerPassword

        public void setupByOwnerPassword​(byte[] documentID,
                                 byte[] ownerPassword,
                                 byte[] userKey,
                                 byte[] ownerKey,
                                 int permissions)

      • setupByEncryptionKey

        public void setupByEncryptionKey​(byte[] key,
                                 int keylength)

      • setHashKey

        public void setHashKey​(int number,
                       int generation)

      • createInfoId

        public static PdfObject createInfoId​(byte[] id)

      • getEncryptionDictionary

        public PdfDictionary getEncryptionDictionary()

      • calculateStreamSize

        public int calculateStreamSize​(int n)

      • encryptByteArray

        public byte[] encryptByteArray​(byte[] b)

      • decryptByteArray

        public byte[] decryptByteArray​(byte[] b)

      • computeUserPassword

        public byte[] computeUserPassword​(byte[] ownerPassword)

      • prepareKey

        public void prepareKey()

      • prepareRC4Key

        public void prepareRC4Key​(byte[] kk)

      • prepareRC4Key

        public void prepareRC4Key​(byte[] kk,
                          int off,
                          int len)

      • encryptRC4

        public void encryptRC4​(byte[] dataIn,
                       int off,
                       int len,
                       byte[] dataOut)

      • encryptRC4

        public void encryptRC4​(byte[] data,
                       int off,
                       int len)

      • encryptRC4

        public void encryptRC4​(byte[] dataIn,
                       byte[] dataOut)

      • encryptRC4

        public void encryptRC4​(byte[] data)