//
-// Open Service Platform
// Copyright (c) 2012 Samsung Electronics Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the License);
* @class CastCipher
* @brief This class provides methods for encryption and decryption using the CAST-128 algorithm.
*
- * @since 2.0
+ * @since 2.0
*
* The %CastCipher class provides a symmetric cipher using the CAST-128 algorithm.
- * Set appropriate values for the requested mode/key bit/padding scheme and cipher operation mode (CIPHER_ENCRYPT
- * or CIPHER_DECRYPT) parameters. @n
+ * This class allows to set appropriate values for the requested mode/key bit/padding scheme and cipher operation mode (::CIPHER_ENCRYPT
+ * or ::CIPHER_DECRYPT) parameters. @n
*
* For more information on the class features, see <a href="../org.tizen.native.appprogramming/html/guide/security/ciphers.htm">Ciphers</a>.
*
* @since 2.0
*
* @return An error code
- * @param[in] transformation The name of the requested key bit/padding scheme @n
+ * @param[in] transformation The requested key bit/padding scheme @n
* The valid values for %CastCipher are "128/PKCS7PADDING" and "128/NOPADDING".
* @param[in] opMode The cipher operation mode @n
* The valid values for %CastCipher are @c CIPHER_ENCRYPT and @c CIPHER_DECRYPT.
* @exception E_SUCCESS The method is successful.
* @exception E_OUT_OF_MEMORY The memory is insufficient.
- * @exception E_INVALID_ARG A specified input parameter is invalid, or the specified @c opMode does not contain a valid value for the cipher operation.
- * @remarks If @c opMode is not matching the actual operation, the result of the operation is @c null and an exception is returned. @n
- * For example, if @c opMode is set to @c CIPHER_ENCRYPT, @c CIPHER_WRAP, or @c CIPHER_UNWRAP and the DecryptN() method is used, then the result obtained is @c null and an exception is returned.
+ * @exception E_INVALID_ARG Either of the following conditions has occurred:
+ * - A specified input parameter is invalid.
+ * - The specified @c opMode does not contain a valid value for the cipher operation.
+ * @remarks If @c opMode is not matching the actual operation, the result of the operation is @c null and an exception is returned. @n
+ * For example, if @c opMode is set to @c CIPHER_ENCRYPT, @c CIPHER_WRAP, or @c CIPHER_UNWRAP and the DecryptN()
+ * method is used, then the result obtained is @c null and an exception is returned.
*/
virtual result Construct(const Tizen::Base::String& transformation, enum CipherOperation opMode);
/**
- * Sets a symmetric key for encryption or decryption.
+ * Sets the symmetric key for encryption or decryption.
*
* @since 2.0
*
* Encrypts the data (single-part).
*
* @since 2.0
- *
+ * @pre Before calling this method, set a secret key and an initial vector using SetKey() and SetInitialVector().
* @return A pointer to the Tizen::Base::ByteBuffer class that contains the output, @n
* else @c null if an error occurs
* @param[in] input An instance of Tizen::Base::ByteBuffer
* @exception E_SUCCESS The method is successful.
- * @exception E_INVALID_ARG The specified instance of Tizen::Base::ByteBuffer is invalid or empty.
+ * @exception E_INVALID_ARG The specified Tizen::Base::ByteBuffer instance is invalid or empty.
* @exception E_OUT_OF_MEMORY The memory is insufficient.
* @exception E_KEY_NOT_FOUND The specified key is not found.
* @exception E_INVALID_OPERATION The specified cipher operation mode for this method is invalid.
* @exception E_OVERFLOW This operation has caused the memory to overflow.
- * @exception E_SYSTEM A system error has occurred. @n
- * The method has failed to operate with the openssl library, or
- * the Tizen::Base::ByteBuffer operation has failed.
+ * @exception E_SYSTEM Either of the following conditions has occurred:
+ * - A system error has occurred.
+ * - The method has failed to operate with the OpenSSL library.
+ * - The Tizen::Base::ByteBuffer operation has failed.
* @remarks The specific error code can be accessed using the GetLastResult() method.
- * @remarks A secret key and an initial vector are set before calling this method.
*/
virtual Tizen::Base::ByteBuffer* EncryptN(const Tizen::Base::ByteBuffer& input);
* Decrypts the data (single-part).
*
* @since 2.0
- *
+ * @pre Before calling this method, set a secret key and an initial vector using SetKey() and SetInitialVector().
* @return A pointer to the Tizen::Base::ByteBuffer class that contains the output, @n
* else @c null if an error occurs
* @param[in] input An instance of Tizen::Base::ByteBuffer
* @exception E_SUCCESS The method is successful.
- * @exception E_INVALID_ARG The specified instance of Tizen::Base::ByteBuffer is invalid or empty.
+ * @exception E_INVALID_ARG The specified Tizen::Base::ByteBuffer instance is invalid or empty.
* @exception E_OUT_OF_MEMORY The memory is insufficient.
* @exception E_KEY_NOT_FOUND The specified key is not found.
* @exception E_INVALID_OPERATION The specified cipher operation mode for this method is invalid.
* @exception E_OVERFLOW This operation has caused the memory to overflow.
- * @exception E_SYSTEM A system error has occurred. @n
- * The method has failed to operate with the openssl library, or
- * the Tizen::Base::ByteBuffer operation has failed.
+ * @exception E_SYSTEM Either of the following conditions has occurred:
+ * - A system error has occurred.
+ * - The method has failed to operate with the OpenSSL library.
+ * - The Tizen::Base::ByteBuffer operation has failed.
* @remarks The specific error code can be accessed using the GetLastResult() method.
- * @remarks A secret key and an initial vector are set before calling this method.
*/
virtual Tizen::Base::ByteBuffer* DecryptN(const Tizen::Base::ByteBuffer& input);
/**
- * Initializes a multiple-part encryption or decryption operation.
+ * Initializes the instance of %CastCipher for the multiple-part encryption or decryption.
*
* @since 2.0
- *
+ * @pre Before calling this method, set a secret key and an initial vector using SetKey() and SetInitialVector().
* @return An error code
* @exception E_SUCCESS The method is successful.
* @exception E_OUT_OF_MEMORY The memory is insufficient.
* @exception E_KEY_NOT_FOUND The specified key is not found.
* @exception E_INVALID_OPERATION The specified cipher operation mode for this method is invalid.
- * @exception E_SYSTEM A system error has occurred. @n
- * The method has failed to operate with the openssl library.
- * @remarks A secret key and an initial vector are set before calling this method.
+ * @exception E_SYSTEM Either of the following conditions has occurred:
+ * - A system error has occurred.
+ * - The method has failed to operate with the openssl library.
*/
virtual result Initialize(void);
/**
- * Updates a multiple-part encryption or decryption operation.
+ * Updates the multiple-part encryption or decryption operation.
*
* @since 2.0
*
* @exception E_SUCCESS The method is successful.
* @exception E_OUT_OF_MEMORY The memory is insufficient.
* @exception E_OVERFLOW This operation has caused the memory to overflow.
- * @exception E_INVALID_ARG The specified instance of Tizen::Base::ByteBuffer is invalid or empty.
- * @exception E_SYSTEM A system error has occurred. @n
- * The method has failed to operate with the openssl library, or
- * the Tizen::Base::ByteBuffer operation has failed.
+ * @exception E_INVALID_ARG The specified Tizen::Base::ByteBuffer instance is invalid or empty.
+ * @exception E_SYSTEM Either of the following conditions has occurred:
+ * - A system error has occurred.
+ * - The method has failed to operate with the OpenSSL library.
+ * - The Tizen::Base::ByteBuffer operation has failed.
* @remarks The specific error code can be accessed using the GetLastResult() method.
*/
virtual Tizen::Base::ByteBuffer* UpdateN(const Tizen::Base::ByteBuffer& input);
/**
- * Finalizes a multiple-part encryption or decryption operation.
+ * Finalizes the multiple-part encryption or decryption operation.
*
* @since 2.0
*
* @exception E_SUCCESS The method is successful.
* @exception E_OUT_OF_MEMORY The memory is insufficient.
* @exception E_OVERFLOW This operation has caused the memory to overflow.
- * @exception E_SYSTEM A system error has occurred. @n
- * The method has failed to operate with the openssl library, or
- * the Tizen::Base::ByteBuffer operation has failed.
+ * @exception E_SYSTEM Either of the following conditions has occurred:
+ * - A system error has occurred.
+ * - The method has failed to operate with the OpenSSL library.
+ * - The Tizen::Base::ByteBuffer operation has failed.
* @remarks The specific error code can be accessed using the GetLastResult() method.
*/
virtual Tizen::Base::ByteBuffer* FinalizeN(void);
* @return A pointer to the Tizen::Base::ByteBuffer class that contains the output, @n
* else @c null if an error occurs
* @param[in] secretKey The secret key to wrap
- * @remarks This operation is not supported in the %CastCipher class.
+ * @remarks
+ * - This operation is not supported in the %CastCipher class.
* Therefore, this method always returns @c null.
- * @remarks The @c E_UNSUPPORTED_ALGORITHM exception is returned if the GetLastResult() method is called.
+ * - The @c E_UNSUPPORTED_ALGORITHM exception is returned if the GetLastResult() method is called.
*/
virtual Tizen::Base::ByteBuffer* WrapN(const Tizen::Base::ByteBuffer& secretKey);
* @return A pointer to the Tizen::Base::ByteBuffer class that contains the output, @n
* else @c null if an error occurs
* @param[in] wrappedKey The wrapped key to unwrap
- * @remarks This operation is not supported in the %CastCipher class.
+ * @remarks
+ * - This operation is not supported in the %CastCipher class.
* Therefore, this method always returns @c null.
- * @remarks The @c E_UNSUPPORTED_ALGORITHM exception is returned if the GetLastResult() method is called.
+ * - The @c E_UNSUPPORTED_ALGORITHM exception is returned if the GetLastResult() method is called.
*/
virtual Tizen::Base::ByteBuffer* UnwrapN(const Tizen::Base::ByteBuffer& wrappedKey);
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