feat(EncoderUtils): add DES DESede method

pull/1902/head
Xwite 2 years ago
parent 83a9971d66
commit c1fb5b80ac
  1. 175
      app/src/main/java/io/legado/app/utils/EncoderUtils.kt

@ -126,6 +126,179 @@ object EncoderUtils {
return symmetricTemplate(data, key, "AES", transformation, iv, false)
}
//////////DES Start
/**
* Return the Base64-encode bytes of DES encryption.
*
* @param data The data.
* @param key The key.
* @param transformation The name of the transformation,
* 加密算法/加密模式/填充类型, *DES/CBC/PKCS5Padding*.
* @param iv The buffer with the IV. The contents of the
* buffer are copied to protect against subsequent modification.
* @return the Base64-encode bytes of AES encryption
*/
@Throws(Exception::class)
fun encryptDES2Base64(
data: ByteArray?,
key: ByteArray?,
transformation: String? = "DES/ECB/PKCS5Padding",
iv: ByteArray? = null
): ByteArray? {
return Base64.encode(encryptDES(data, key, transformation, iv), Base64.NO_WRAP)
}
/**
* Return the bytes of DES encryption.
*
* @param data The data.
* @param key The key.
* @param transformation The name of the transformation,
* 加密算法/加密模式/填充类型, *DES/CBC/PKCS5Padding*.
* @param iv The buffer with the IV. The contents of the
* buffer are copied to protect against subsequent modification.
* @return the bytes of AES encryption
*/
@Throws(Exception::class)
fun encryptDES(
data: ByteArray?,
key: ByteArray?,
transformation: String? = "DES/ECB/PKCS5Padding",
iv: ByteArray? = null
): ByteArray? {
return symmetricTemplate(data, key, "DES", transformation!!, iv, true)
}
/**
* Return the bytes of DES decryption for Base64-encode bytes.
*
* @param data The data.
* @param key The key.
* @param transformation The name of the transformation,
* 加密算法/加密模式/填充类型, *DES/CBC/PKCS5Padding*.
* @param iv The buffer with the IV. The contents of the
* buffer are copied to protect against subsequent modification.
* @return the bytes of AES decryption for Base64-encode bytes
*/
@Throws(Exception::class)
fun decryptBase64DES(
data: ByteArray?,
key: ByteArray?,
transformation: String = "DES/ECB/PKCS5Padding",
iv: ByteArray? = null
): ByteArray? {
return decryptDES(Base64.decode(data, Base64.NO_WRAP), key, transformation, iv)
}
/**
* Return the bytes of DES decryption.
*
* @param data The data.
* @param key The key.
* @param transformation The name of the transformation,
* 加密算法/加密模式/填充类型, *DES/CBC/PKCS5Padding*.
* @param iv The buffer with the IV. The contents of the
* buffer are copied to protect against subsequent modification.
* @return the bytes of AES decryption
*/
@Throws(Exception::class)
fun decryptDES(
data: ByteArray?,
key: ByteArray?,
transformation: String = "DES/ECB/PKCS5Padding",
iv: ByteArray? = null
): ByteArray? {
return symmetricTemplate(data, key, "DES", transformation, iv, false)
}
//////////DESede Start
/**
* Return the Base64-encode bytes of DESede encryption.
*
* @param data The data.
* @param key The key.
* @param transformation The name of the transformation,
* 加密算法/加密模式/填充类型, *DESede/CBC/PKCS5Padding*.
* @param iv The buffer with the IV. The contents of the
* buffer are copied to protect against subsequent modification.
* @return the Base64-encode bytes of AES encryption
*/
@Throws(Exception::class)
fun encryptDESede2Base64(
data: ByteArray?,
key: ByteArray?,
transformation: String? = "DESede/ECB/PKCS5Padding",
iv: ByteArray? = null
): ByteArray? {
return Base64.encode(encryptDESede(data, key, transformation, iv), Base64.NO_WRAP)
}
/**
* Return the bytes of DESede encryption.
*
* @param data The data.
* @param key The key.
* @param transformation The name of the transformation,
* 加密算法/加密模式/填充类型, *DESede/CBC/PKCS5Padding*.
* @param iv The buffer with the IV. The contents of the
* buffer are copied to protect against subsequent modification.
* @return the bytes of AES encryption
*/
@Throws(Exception::class)
fun encryptDESede(
data: ByteArray?,
key: ByteArray?,
transformation: String? = "DESede/ECB/PKCS5Padding",
iv: ByteArray? = null
): ByteArray? {
return symmetricTemplate(data, key, "DESede", transformation!!, iv, true)
}
/**
* Return the bytes of DESede decryption for Base64-encode bytes.
*
* @param data The data.
* @param key The key.
* @param transformation The name of the transformation,
* 加密算法/加密模式/填充类型, *DESede/CBC/PKCS5Padding*.
* @param iv The buffer with the IV. The contents of the
* buffer are copied to protect against subsequent modification.
* @return the bytes of AES decryption for Base64-encode bytes
*/
@Throws(Exception::class)
fun decryptBase64DESede(
data: ByteArray?,
key: ByteArray?,
transformation: String = "DESede/ECB/PKCS5Padding",
iv: ByteArray? = null
): ByteArray? {
return decryptDESede(Base64.decode(data, Base64.NO_WRAP), key, transformation, iv)
}
/**
* Return the bytes of DESede decryption.
*
* @param data The data.
* @param key The key.
* @param transformation The name of the transformation,
* 加密算法/加密模式/填充类型, *DESede/CBC/PKCS5Padding*.
* @param iv The buffer with the IV. The contents of the
* buffer are copied to protect against subsequent modification.
* @return the bytes of AES decryption
*/
@Throws(Exception::class)
fun decryptDESede(
data: ByteArray?,
key: ByteArray?,
transformation: String = "DESede/ECB/PKCS5Padding",
iv: ByteArray? = null
): ByteArray? {
return symmetricTemplate(data, key, "DESede", transformation, iv, false)
}
/**
* Return the bytes of symmetric encryption or decryption.
@ -166,4 +339,4 @@ object EncoderUtils {
}
}
}

Loading…
Cancel
Save