cipher.h File Reference

#include "sal/config.h"
#include "sal/saldllapi.h"
#include "sal/types.h"

Go to the source code of this file.

Typedefs
typedef void *	rtlCipher
	Cipher Handle opaque type. More...
typedef enum __rtl_CipherAlgorithm	rtlCipherAlgorithm
	Cipher Algorithm type. More...
typedef enum __rtl_CipherMode	rtlCipherMode
	Cipher Mode type. More...
typedef enum __rtl_CipherDirection	rtlCipherDirection
	Cipher Direction type. More...
typedef enum __rtl_CipherError	rtlCipherError
	Error Code type. More...

Enumerations
enum	__rtl_CipherAlgorithm { rtl_Cipher_AlgorithmBF, rtl_Cipher_AlgorithmARCFOUR, rtl_Cipher_AlgorithmInvalid, rtl_Cipher_Algorithm_FORCE_EQUAL_SIZE = SAL_MAX_ENUM }
	Cipher Algorithm enumeration. More...
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 enumeration. More...
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 enumeration. More...
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 enumeration. More...

Functions
SAL_DLLPUBLIC rtlCipher	rtl_cipher_create (rtlCipherAlgorithm Algorithm, rtlCipherMode Mode) SAL_THROW_EXTERN_C()
	Create a cipher handle for the given algorithm and mode. More...
SAL_DLLPUBLIC rtlCipherError	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()
	Inititialize a cipher for the given direction. More...
SAL_DLLPUBLIC rtlCipherError	rtl_cipher_encode (rtlCipher Cipher, const void *pData, sal_Size nDatLen, sal_uInt8 *pBuffer, sal_Size nBufLen) SAL_THROW_EXTERN_C()
	Encode a buffer under a given cipher algorithm. More...
SAL_DLLPUBLIC rtlCipherError	rtl_cipher_decode (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. More...
SAL_DLLPUBLIC void	rtl_cipher_destroy (rtlCipher Cipher) SAL_THROW_EXTERN_C()
	Destroy a cipher handle. More...
SAL_DLLPUBLIC rtlCipher	rtl_cipher_createBF (rtlCipherMode Mode) SAL_THROW_EXTERN_C()
	Create a Blowfish cipher handle for the given mode. More...
SAL_DLLPUBLIC rtlCipherError	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()
	Inititialize a Blowfish cipher for the given direction. More...
SAL_DLLPUBLIC rtlCipherError	rtl_cipher_encodeBF (rtlCipher Cipher, const void *pData, sal_Size nDatLen, sal_uInt8 *pBuffer, sal_Size nBufLen) SAL_THROW_EXTERN_C()
	Encode a buffer under the Blowfish cipher algorithm. More...
SAL_DLLPUBLIC rtlCipherError	rtl_cipher_decodeBF (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. More...
SAL_DLLPUBLIC void	rtl_cipher_destroyBF (rtlCipher Cipher) SAL_THROW_EXTERN_C()
	Destroy a Blowfish cipher handle. More...
SAL_DLLPUBLIC rtlCipher	rtl_cipher_createARCFOUR (rtlCipherMode Mode) SAL_THROW_EXTERN_C()
	Create a RC4 cipher handle for the given mode. More...
SAL_DLLPUBLIC rtlCipherError	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()
	Inititialize a RC4 cipher for the given direction. More...
SAL_DLLPUBLIC rtlCipherError	rtl_cipher_encodeARCFOUR (rtlCipher Cipher, const void *pData, sal_Size nDatLen, sal_uInt8 *pBuffer, sal_Size nBufLen) SAL_THROW_EXTERN_C()
	Encode a buffer under the RC4 cipher algorithm. More...
SAL_DLLPUBLIC rtlCipherError	rtl_cipher_decodeARCFOUR (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. More...
SAL_DLLPUBLIC void	rtl_cipher_destroyARCFOUR (rtlCipher Cipher) SAL_THROW_EXTERN_C()
	Destroy a RC4 cipher handle. More...

Typedef Documentation

rtlCipher

typedef void* rtlCipher

Cipher Handle opaque type.

rtlCipherAlgorithm

typedef enum __rtl_CipherAlgorithm rtlCipherAlgorithm

Cipher Algorithm type.

rtlCipherDirection

typedef enum __rtl_CipherDirection rtlCipherDirection

Cipher Direction type.

rtlCipherError

typedef enum __rtl_CipherError rtlCipherError

Error Code type.

rtlCipherMode

typedef enum __rtl_CipherMode rtlCipherMode

Cipher Mode type.

Enumeration Type Documentation

__rtl_CipherAlgorithm

enum __rtl_CipherAlgorithm

Cipher Algorithm enumeration.

See also

rtl_cipher_create()

Enumerator
rtl_Cipher_AlgorithmBF
rtl_Cipher_AlgorithmARCFOUR
rtl_Cipher_AlgorithmInvalid
rtl_Cipher_Algorithm_FORCE_EQUAL_SIZE

__rtl_CipherDirection

enum __rtl_CipherDirection

Cipher Direction enumeration.

See also

rtl_cipher_init()

Enumerator
rtl_Cipher_DirectionBoth
rtl_Cipher_DirectionDecode
rtl_Cipher_DirectionEncode
rtl_Cipher_DirectionInvalid
rtl_Cipher_Direction_FORCE_EQUAL_SIZE

__rtl_CipherError

enum __rtl_CipherError

Error Code enumeration.

Enumerator
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

__rtl_CipherMode

enum __rtl_CipherMode

Cipher Mode enumeration.

See also

rtl_cipher_create()

Enumerator
rtl_Cipher_ModeECB
rtl_Cipher_ModeCBC
rtl_Cipher_ModeStream
rtl_Cipher_ModeInvalid
rtl_Cipher_Mode_FORCE_EQUAL_SIZE

Function Documentation

rtl_cipher_create()

SAL_DLLPUBLIC rtlCipher rtl_cipher_create	(	rtlCipherAlgorithm	Algorithm,
		rtlCipherMode	Mode
	)

Create a cipher handle for the given algorithm and mode.

See also

rtlCipherAlgorithm

rtlCipherMode

Parameters

[in]	Algorithm	cipher algorithm.
[in]	Mode	cipher mode.

Returns

Cipher handle, or 0 upon failure.

rtl_cipher_createARCFOUR()

SAL_DLLPUBLIC rtlCipher rtl_cipher_createARCFOUR

(

rtlCipherMode

Mode

)

Create a RC4 cipher handle for the given mode.

The RC4 symmetric stream cipher algorithm is specified in Bruce Schneier: Applied Cryptography, 2nd edition, ch. 17.1

See also

rtl_cipher_create()

Parameters

[in]

Mode

cipher mode. Must be rtl_Cipher_ModeStream.

Returns

Cipher handle, or 0 upon failure.

rtl_cipher_createBF()

SAL_DLLPUBLIC rtlCipher rtl_cipher_createBF

(

rtlCipherMode

Mode

)

Create a Blowfish cipher handle for the given mode.

The Blowfish block cipher algorithm is specified in Bruce Schneier: Applied Cryptography, 2nd edition, ch. 14.3

See also

rtl_cipher_create()

rtl_cipher_decode()

SAL_DLLPUBLIC rtlCipherError rtl_cipher_decode	(	rtlCipher	Cipher,
		const void *	pData,
		sal_Size	nDatLen,
		sal_uInt8 *	pBuffer,
		sal_Size	nBufLen
	)

Decode a buffer under a given cipher algorithm.

Precondition

Initialized for a compatible cipher direction.

See also

rtl_cipher_init()

Parameters

[in]	Cipher	cipher handle.
[in]	pData	ciphertext buffer.
[in]	nDatLen	ciphertext length in bytes.
[out]	pBuffer	plaintext buffer.
[in]	nBufLen	plaintext length in bytes.

Return values

rtl_Cipher_E_None

upon success.

rtl_cipher_decodeARCFOUR()

SAL_DLLPUBLIC rtlCipherError rtl_cipher_decodeARCFOUR	(	rtlCipher	Cipher,
		const void *	pData,
		sal_Size	nDatLen,
		sal_uInt8 *	pBuffer,
		sal_Size	nBufLen
	)

Decode a buffer under the RC4 cipher algorithm.

See also

rtl_cipher_decode()

rtl_cipher_decodeBF()

SAL_DLLPUBLIC rtlCipherError rtl_cipher_decodeBF	(	rtlCipher	Cipher,
		const void *	pData,
		sal_Size	nDatLen,
		sal_uInt8 *	pBuffer,
		sal_Size	nBufLen
	)

Decode a buffer under the Blowfish cipher algorithm.

See also

rtl_cipher_decode()

rtl_cipher_destroy()

SAL_DLLPUBLIC void rtl_cipher_destroy

(

rtlCipher

Cipher

)

Destroy a cipher handle.

Cipher handle destroyed and invalid.

Parameters

[in]

Cipher

cipher handle to be destroyed.

rtl_cipher_destroyARCFOUR()

SAL_DLLPUBLIC void rtl_cipher_destroyARCFOUR

(

rtlCipher

Cipher

)

Destroy a RC4 cipher handle.

See also

rtl_cipher_destroy()

rtl_cipher_destroyBF()

SAL_DLLPUBLIC void rtl_cipher_destroyBF

(

rtlCipher

Cipher

)

Destroy a Blowfish cipher handle.

See also

rtl_cipher_destroy()

rtl_cipher_encode()

SAL_DLLPUBLIC rtlCipherError rtl_cipher_encode	(	rtlCipher	Cipher,
		const void *	pData,
		sal_Size	nDatLen,
		sal_uInt8 *	pBuffer,
		sal_Size	nBufLen
	)

Encode a buffer under a given cipher algorithm.

Precondition

Initialized for a compatible cipher direction.

See also

rtl_cipher_init()

Parameters

[in]	Cipher	cipher handle.
[in]	pData	plaintext buffer.
[in]	nDatLen	plaintext length in bytes.
[out]	pBuffer	ciphertext buffer.
[in]	nBufLen	ciphertext length in bytes.

Return values

rtl_Cipher_E_None

upon success.

rtl_cipher_encodeARCFOUR()

SAL_DLLPUBLIC rtlCipherError rtl_cipher_encodeARCFOUR	(	rtlCipher	Cipher,
		const void *	pData,
		sal_Size	nDatLen,
		sal_uInt8 *	pBuffer,
		sal_Size	nBufLen
	)

Encode a buffer under the RC4 cipher algorithm.

See also

rtl_cipher_encode()

rtl_cipher_encodeBF()

SAL_DLLPUBLIC rtlCipherError rtl_cipher_encodeBF	(	rtlCipher	Cipher,
		const void *	pData,
		sal_Size	nDatLen,
		sal_uInt8 *	pBuffer,
		sal_Size	nBufLen
	)

Encode a buffer under the Blowfish cipher algorithm.

See also

rtl_cipher_encode()

rtl_cipher_init()

SAL_DLLPUBLIC rtlCipherError rtl_cipher_init	(	rtlCipher	Cipher,
		rtlCipherDirection	Direction,
		const sal_uInt8 *	pKeyData,
		sal_Size	nKeyLen,
		const sal_uInt8 *	pArgData,
		sal_Size	nArgLen
	)

Inititialize a cipher for the given direction.

See also

rtlCipherDirection

Parameters

[in]	Cipher	cipher handle.
[in]	Direction	cipher direction.
[in]	pKeyData	key material buffer.
[in]	nKeyLen	key material length in bytes.
[in]	pArgData	initialization vector buffer.
[in]	nArgLen	initialization vector length in bytes.

Return values

rtl_Cipher_E_None

upon success.

rtl_cipher_initARCFOUR()

SAL_DLLPUBLIC rtlCipherError rtl_cipher_initARCFOUR	(	rtlCipher	Cipher,
		rtlCipherDirection	Direction,
		const sal_uInt8 *	pKeyData,
		sal_Size	nKeyLen,
		const sal_uInt8 *	pArgData,
		sal_Size	nArgLen
	)

Inititialize a RC4 cipher for the given direction.

See also

rtl_cipher_init()

rtl_cipher_initBF()

SAL_DLLPUBLIC rtlCipherError rtl_cipher_initBF	(	rtlCipher	Cipher,
		rtlCipherDirection	Direction,
		const sal_uInt8 *	pKeyData,
		sal_Size	nKeyLen,
		const sal_uInt8 *	pArgData,
		sal_Size	nArgLen
	)

Inititialize a Blowfish cipher for the given direction.

See also

rtl_cipher_init()