X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2FCryptUtils.java;h=b82a169ac21fffd4eb6d95f6df86c46a43566bfd;hb=d20c8d77a98fbd80e8afe671568aad3325e90435;hp=d5413d7c392f6856405b3b25e0fcab989ff4de68;hpb=9fb03c36d7d48a3009e3a83b6cd14fe2a8eea1ad;p=nikiroo-utils.git diff --git a/src/be/nikiroo/utils/CryptUtils.java b/src/be/nikiroo/utils/CryptUtils.java index d5413d7..b82a169 100644 --- a/src/be/nikiroo/utils/CryptUtils.java +++ b/src/be/nikiroo/utils/CryptUtils.java @@ -1,12 +1,16 @@ package be.nikiroo.utils; import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; import java.io.UnsupportedEncodingException; import java.security.InvalidKeyException; import java.security.NoSuchAlgorithmException; import javax.crypto.BadPaddingException; import javax.crypto.Cipher; +import javax.crypto.CipherInputStream; +import javax.crypto.CipherOutputStream; import javax.crypto.IllegalBlockSizeException; import javax.crypto.NoSuchPaddingException; import javax.crypto.SecretKey; @@ -60,6 +64,54 @@ public class CryptUtils { init(bytes32); } + /** + * Wrap the given {@link InputStream} so it is transparently encrypted by + * the current {@link CryptUtils}. + * + * @param in + * the {@link InputStream} to wrap + * @return the auto-encode {@link InputStream} + */ + public InputStream encryptInputStream(InputStream in) { + return new CipherInputStream(in, ecipher); + } + + /** + * Wrap the given {@link OutputStream} so it is transparently encrypted by + * the current {@link CryptUtils}. + * + * @param in + * the {@link OutputStream} to wrap + * @return the auto-encode {@link OutputStream} + */ + public OutputStream encryptOutpuStream(OutputStream out) { + return new CipherOutputStream(out, ecipher); + } + + /** + * Wrap the given {@link OutStream} so it is transparently decoded by the + * current {@link CryptUtils}. + * + * @param in + * the {@link InputStream} to wrap + * @return the auto-decode {@link InputStream} + */ + public InputStream decryptInputStream(InputStream in) { + return new CipherInputStream(in, dcipher); + } + + /** + * Wrap the given {@link OutStream} so it is transparently decoded by the + * current {@link CryptUtils}. + * + * @param out + * the {@link OutputStream} to wrap + * @return the auto-decode {@link OutputStream} + */ + public OutputStream decryptOutputStream(OutputStream out) { + return new CipherOutputStream(out, dcipher); + } + /** * This method required an array of 128 bytes. * @@ -279,6 +331,6 @@ public class CryptUtils { * @return a 128 bits key computed from the given input */ static private byte[] key2key(String input) { - return StringUtils.getMd5Hash(input).getBytes(); + return StringUtils.getMd5Hash("" + input).getBytes(); } }