/usr/include/libreoffice/rtl/cipher.h is in libreoffice-dev 1:3.5.2-2ubuntu1.
This file is owned by root:root, with mode 0o644.
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#ifndef _RTL_CIPHER_H_
#define _RTL_CIPHER_H_
#include <sal/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*========================================================================
*
* rtlCipher interface.
*
*======================================================================*/
/** Cipher Handle opaque type.
*/
typedef void* rtlCipher;
/** Cipher Algorithm enumeration.
@see rtl_cipher_create()
*/
enum __rtl_CipherAlgorithm
{
rtl_Cipher_AlgorithmBF,
rtl_Cipher_AlgorithmARCFOUR,
rtl_Cipher_AlgorithmInvalid,
rtl_Cipher_Algorithm_FORCE_EQUAL_SIZE = SAL_MAX_ENUM
};
/** Cipher Algorithm type.
*/
typedef enum __rtl_CipherAlgorithm rtlCipherAlgorithm;
/** Cipher Mode enumeration.
@see rtl_cipher_create()
*/
enum __rtl_CipherMode
{
rtl_Cipher_ModeECB,
rtl_Cipher_ModeCBC,
rtl_Cipher_ModeStream,
rtl_Cipher_ModeInvalid,
rtl_Cipher_Mode_FORCE_EQUAL_SIZE = SAL_MAX_ENUM
};
/** Cipher Mode type.
*/
typedef enum __rtl_CipherMode rtlCipherMode;
/** Cipher Direction enumeration.
@see rtl_cipher_init()
*/
enum __rtl_CipherDirection
{
rtl_Cipher_DirectionBoth,
rtl_Cipher_DirectionDecode,
rtl_Cipher_DirectionEncode,
rtl_Cipher_DirectionInvalid,
rtl_Cipher_Direction_FORCE_EQUAL_SIZE = SAL_MAX_ENUM
};
/** Cipher Direction type.
*/
typedef enum __rtl_CipherDirection rtlCipherDirection;
/** Error Code enumeration.
*/
enum __rtl_CipherError
{
rtl_Cipher_E_None,
rtl_Cipher_E_Argument,
rtl_Cipher_E_Algorithm,
rtl_Cipher_E_Direction,
rtl_Cipher_E_Mode,
rtl_Cipher_E_BufferSize,
rtl_Cipher_E_Memory,
rtl_Cipher_E_Unknown,
rtl_Cipher_E_FORCE_EQUAL_SIZE = SAL_MAX_ENUM
};
/** Error Code type.
*/
typedef enum __rtl_CipherError rtlCipherError;
/** Create a cipher handle for the given algorithm and mode.
@see rtlCipherAlgorithm
@see rtlCipherMode
@param Algorithm [in] cipher algorithm.
@param Mode [in] cipher mode.
@return Cipher handle, or 0 upon failure.
*/
rtlCipher SAL_CALL rtl_cipher_create (
rtlCipherAlgorithm Algorithm,
rtlCipherMode Mode
) SAL_THROW_EXTERN_C();
/** Inititialize a cipher for the given direction.
@see rtlCipherDirection
@param Cipher [in] cipher handle.
@param Direction [in] cipher direction.
@param pKeyData [in] key material buffer.
@param nKeyLen [in] key material length in bytes.
@param pArgData [in] initialization vector buffer.
@param nArgLen [in] initialization vector length in bytes.
@return rtl_Cipher_E_None upon success.
*/
rtlCipherError SAL_CALL rtl_cipher_init (
rtlCipher Cipher,
rtlCipherDirection Direction,
const sal_uInt8 *pKeyData, sal_Size nKeyLen,
const sal_uInt8 *pArgData, sal_Size nArgLen
) SAL_THROW_EXTERN_C();
/** Encode a buffer under a given cipher algorithm.
@precond Initialized for a compatible cipher direction.
@see rtl_cipher_init()
@param Cipher [in] cipher handle.
@param pData [in] plaintext buffer.
@param nDatLen [in] plaintext length in bytes.
@param pBuffer [out] ciphertext buffer.
@param nBufLen [in] ciphertext length in bytes.
@return rtl_Cipher_E_None upon success.
*/
rtlCipherError SAL_CALL rtl_cipher_encode (
rtlCipher Cipher,
const void *pData, sal_Size nDatLen,
sal_uInt8 *pBuffer, sal_Size nBufLen
) SAL_THROW_EXTERN_C();
/** Decode a buffer under a given cipher algorithm.
@precond Initialized for a compatible cipher direction.
@see rtl_cipher_init()
@param Cipher [in] cipher handle.
@param pData [in] ciphertext buffer.
@param nDatLen [in] ciphertext length in bytes.
@param pBuffer [out] plaintext buffer.
@param nBufLen [in] plaintext length in bytes.
@return rtl_Cipher_E_None upon success.
*/
rtlCipherError SAL_CALL rtl_cipher_decode (
rtlCipher Cipher,
const void *pData, sal_Size nDatLen,
sal_uInt8 *pBuffer, sal_Size nBufLen
) SAL_THROW_EXTERN_C();
/** Destroy a cipher handle.
@param Cipher [in] cipher handle to be destroyed.
@return None. Cipher handle destroyed and invalid.
*/
void SAL_CALL rtl_cipher_destroy (
rtlCipher Cipher
) SAL_THROW_EXTERN_C();
/*========================================================================
*
* rtl_cipherBF (Blowfish) interface.
*
*======================================================================*/
/** Create a Blowfish cipher handle for the given mode.
@descr The Blowfish block cipher algorithm is specified in
Bruce Schneier: Applied Cryptography, 2nd edition, ch. 14.3
@see rtl_cipher_create()
*/
rtlCipher SAL_CALL rtl_cipher_createBF (
rtlCipherMode Mode
) SAL_THROW_EXTERN_C();
/** Inititialize a Blowfish cipher for the given direction.
@see rtl_cipher_init()
*/
rtlCipherError SAL_CALL rtl_cipher_initBF (
rtlCipher Cipher,
rtlCipherDirection Direction,
const sal_uInt8 *pKeyData, sal_Size nKeyLen,
const sal_uInt8 *pArgData, sal_Size nArgLen
) SAL_THROW_EXTERN_C();
/** Encode a buffer under the Blowfish cipher algorithm.
@see rtl_cipher_encode()
*/
rtlCipherError SAL_CALL rtl_cipher_encodeBF (
rtlCipher Cipher,
const void *pData, sal_Size nDatLen,
sal_uInt8 *pBuffer, sal_Size nBufLen
) SAL_THROW_EXTERN_C();
/** Decode a buffer under the Blowfish cipher algorithm.
@see rtl_cipher_decode()
*/
rtlCipherError SAL_CALL rtl_cipher_decodeBF (
rtlCipher Cipher,
const void *pData, sal_Size nDatLen,
sal_uInt8 *pBuffer, sal_Size nBufLen
) SAL_THROW_EXTERN_C();
/** Destroy a Blowfish cipher handle.
@see rtl_cipher_destroy()
*/
void SAL_CALL rtl_cipher_destroyBF (
rtlCipher Cipher
) SAL_THROW_EXTERN_C();
/*========================================================================
*
* rtl_cipherARCFOUR (RC4) interface.
*
*======================================================================*/
/** Create a RC4 cipher handle for the given mode.
@descr The RC4 symmetric stream cipher algorithm is specified in
Bruce Schneier: Applied Cryptography, 2nd edition, ch. 17.1
@see rtl_cipher_create()
@param Mode [in] cipher mode. Must be rtl_Cipher_ModeStream.
@return Cipher handle, or 0 upon failure.
*/
rtlCipher SAL_CALL rtl_cipher_createARCFOUR (
rtlCipherMode Mode
) SAL_THROW_EXTERN_C();
/** Inititialize a RC4 cipher for the given direction.
@see rtl_cipher_init()
*/
rtlCipherError SAL_CALL rtl_cipher_initARCFOUR (
rtlCipher Cipher,
rtlCipherDirection Direction,
const sal_uInt8 *pKeyData, sal_Size nKeyLen,
const sal_uInt8 *pArgData, sal_Size nArgLen
) SAL_THROW_EXTERN_C();
/** Encode a buffer under the RC4 cipher algorithm.
@see rtl_cipher_encode()
*/
rtlCipherError SAL_CALL rtl_cipher_encodeARCFOUR (
rtlCipher Cipher,
const void *pData, sal_Size nDatLen,
sal_uInt8 *pBuffer, sal_Size nBufLen
) SAL_THROW_EXTERN_C();
/** Decode a buffer under the RC4 cipher algorithm.
@see rtl_cipher_decode()
*/
rtlCipherError SAL_CALL rtl_cipher_decodeARCFOUR (
rtlCipher Cipher,
const void *pData, sal_Size nDatLen,
sal_uInt8 *pBuffer, sal_Size nBufLen
) SAL_THROW_EXTERN_C();
/** Destroy a RC4 cipher handle.
@see rtl_cipher_destroy()
*/
void SAL_CALL rtl_cipher_destroyARCFOUR (
rtlCipher Cipher
) SAL_THROW_EXTERN_C();
/*========================================================================
*
* The End.
*
*======================================================================*/
#ifdef __cplusplus
}
#endif
#endif /* !_RTL_CIPHER_H_ */
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