cipher.c File Reference

#include "wizard/studio.h"
#include "wizard/aes.h"
#include "wizard/cipher.h"
#include "wizard/exception.h"
#include "wizard/exception-private.h"
#include "wizard/memory_.h"
#include "wizard/random_.h"
#include "wizard/serpent.h"
#include "wizard/twofish.h"

Data Structures
struct	_CipherInfo
Defines
#define	CipherRandomHash   SHA256Hash
Typedefs
typedef void(*	DecipherBlock )(void *, const unsigned char *, const unsigned char *)
typedef void(*)(*	EncipherBlock )(void *, const unsigned char *, const unsigned char *)
Functions
static StringInfo *	DecipherCTRMode (CipherInfo *, StringInfo *)
static StringInfo **	DecipherECBMode (CipherInfo *, StringInfo *)
static StringInfo ***	DecipherOFBMode (CipherInfo *, StringInfo *)
static StringInfo ****	EncipherCTRMode (CipherInfo *, StringInfo *)
static StringInfo *****	EncipherECBMode (CipherInfo *, StringInfo *)
static StringInfo ******	EncipherOFBMode (CipherInfo *, StringInfo *)
WizardExport CipherInfo *	AcquireCipherInfo (const CipherType cipher, const CipherMode mode)
static StringInfo *	DecipherCBCMode (CipherInfo *cipher_info, StringInfo *ciphertext)
static StringInfo *	DecipherCFBMode (CipherInfo *cipher_info, StringInfo *ciphertext)
WizardExport StringInfo *	DecryptCipher (CipherInfo *cipher_info, StringInfo *plaintext)
WizardExport StringInfo *	DecipherCipher (CipherInfo *cipher_info, StringInfo *ciphertext)
static void	IncrementCipherNonce (const size_t length, unsigned char *nonce)
WizardExport CipherInfo *	DestroyCipherInfo (CipherInfo *cipher_info)
static StringInfo *	EncipherCBCMode (CipherInfo *cipher_info, StringInfo *plaintext)
static StringInfo *	EncipherCFBMode (CipherInfo *cipher_info, StringInfo *plaintext)
WizardExport StringInfo *	EncryptCipher (CipherInfo *cipher_info, StringInfo *plaintext)
WizardExport StringInfo *	EncipherCipher (CipherInfo *cipher_info, StringInfo *plaintext)
WizardExport size_t	GetCipherBlocksize (const CipherInfo *cipher_info)
WizardExport StringInfo *	GenerateCipherNonce (CipherInfo *cipher_info)
WizardExport const StringInfo *	GetCipherNonce (CipherInfo *cipher_info)
WizardExport void	ResetCipherNonce (CipherInfo *cipher_info)
WizardExport void	SetCipherNonce (CipherInfo *cipher_info, const StringInfo *nonce)
WizardExport void	SetCipherKey (CipherInfo *cipher_info, const StringInfo *key)

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Define Documentation

#define CipherRandomHash   SHA256Hash

Referenced by AcquireCipherInfo().

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Typedef Documentation

typedef void(* DecipherBlock)(void *, const unsigned char *, const unsigned char *)

typedef void(*)(* EncipherBlock)(void *, const unsigned char *, const unsigned char *)

---

Function Documentation

WizardExport CipherInfo* AcquireCipherInfo	(	const CipherType	cipher,
		const CipherMode	mode
	)

References AcquireAESInfo(), AcquireRandomInfo(), AcquireSerpentInfo(), AcquireTwofishInfo(), AcquireWizardMemory(), AESCipher, _CipherInfo::blocksize, _CipherInfo::cipher, CipherDomain, CipherRandomHash, _CipherInfo::decipher_block, DecipherAESBlock(), DecipherSerpentBlock(), DecipherTwofishBlock(), DestroyStringInfo(), _CipherInfo::encipher_block, EncipherAESBlock(), EncipherSerpentBlock(), EncipherTwofishBlock(), EnumerateError, GenerateCipherNonce(), GetAESBlocksize(), GetSerpentBlocksize(), GetTwofishBlocksize(), _CipherInfo::handle, MemoryError, _CipherInfo::mode, _CipherInfo::nonce, _CipherInfo::random_info, ResetWizardMemory(), SerpentCipher, _CipherInfo::signature, ThrowWizardFatalError, _CipherInfo::timestamp, and TwofishCipher.

Referenced by AcquireKeyInfo(), and AcquireSecretInfo().

static StringInfo* DecipherCBCMode	(	CipherInfo *	cipher_info,
		StringInfo *	ciphertext
	)			[static]

References _CipherInfo::blocksize, CipherDomain, _CipherInfo::decipher_block, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _CipherInfo::handle, LogWizardEvent(), MaxCipherBlocksize, _CipherInfo::nonce, ResetWizardMemory(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by DecipherCipher().

static StringInfo* DecipherCFBMode	(	CipherInfo *	cipher_info,
		StringInfo *	ciphertext
	)			[static]

References _CipherInfo::blocksize, CipherDomain, _CipherInfo::encipher_block, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _CipherInfo::handle, LogWizardEvent(), MaxCipherBlocksize, _CipherInfo::nonce, ResetWizardMemory(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by DecipherCipher().

WizardExport StringInfo* DecipherCipher	(	CipherInfo *	cipher_info,
		StringInfo *	ciphertext
	)

References CBCMode, CFBMode, CipherDomain, CTRMode, DecipherCBCMode(), DecipherCFBMode(), DecipherCTRMode(), DecipherECBMode(), DecipherOFBMode(), ECBMode, EnumerateError, GetWizardModule, LogWizardEvent(), _CipherInfo::mode, OFBMode, _CipherInfo::signature, ThrowWizardFatalError, TraceEvent, WizardAssert, and WizardSignature.

Referenced by AuthenticateSecretKey(), DecryptCipher(), and GetKeyInfo().

static StringInfo * DecipherCTRMode	(	CipherInfo *	cipher_info,
		StringInfo *	ciphertext
	)			[static]

References _CipherInfo::blocksize, CipherDomain, _CipherInfo::encipher_block, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _CipherInfo::handle, IncrementCipherNonce(), LogWizardEvent(), MaxCipherBlocksize, _CipherInfo::nonce, ResetWizardMemory(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by DecipherCipher().

static StringInfo * DecipherECBMode	(	CipherInfo *	cipher_info,
		StringInfo *	ciphertext
	)

References _CipherInfo::blocksize, CipherDomain, _CipherInfo::decipher_block, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _CipherInfo::handle, LogWizardEvent(), MaxCipherBlocksize, _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by DecipherCipher().

static StringInfo * DecipherOFBMode	(	CipherInfo *	cipher_info,
		StringInfo *	ciphertext
	)

References _CipherInfo::blocksize, CipherDomain, _CipherInfo::encipher_block, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _CipherInfo::handle, LogWizardEvent(), MaxCipherBlocksize, _CipherInfo::nonce, ResetWizardMemory(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by DecipherCipher().

WizardExport StringInfo* DecryptCipher	(	CipherInfo *	cipher_info,
		StringInfo *	plaintext
	)

References DecipherCipher().

WizardExport CipherInfo* DestroyCipherInfo

(

CipherInfo *

cipher_info

)

References AESCipher, _CipherInfo::cipher, CipherDomain, DestroyAESInfo(), DestroyRandomInfo(), DestroySerpentInfo(), DestroyStringInfo(), DestroyTwofishInfo(), EnumerateError, GetWizardModule, _CipherInfo::handle, LogWizardEvent(), _CipherInfo::nonce, _CipherInfo::random_info, RelinquishWizardMemory(), SerpentCipher, _CipherInfo::signature, ThrowWizardFatalError, TraceEvent, TwofishCipher, WizardAssert, and WizardSignature.

Referenced by DestroyKeyInfo(), and DestroySecretInfo().

static StringInfo* EncipherCBCMode	(	CipherInfo *	cipher_info,
		StringInfo *	plaintext
	)			[static]

References _CipherInfo::blocksize, CipherDomain, _CipherInfo::encipher_block, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _CipherInfo::handle, LogWizardEvent(), MaxCipherBlocksize, _CipherInfo::nonce, _CipherInfo::random_info, ResetWizardMemory(), SetRandomKey(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by EncipherCipher().

static StringInfo* EncipherCFBMode	(	CipherInfo *	cipher_info,
		StringInfo *	plaintext
	)			[static]

References _CipherInfo::blocksize, CipherDomain, _CipherInfo::encipher_block, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _CipherInfo::handle, LogWizardEvent(), MaxCipherBlocksize, _CipherInfo::nonce, ResetWizardMemory(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by EncipherCipher().

WizardExport StringInfo* EncipherCipher	(	CipherInfo *	cipher_info,
		StringInfo *	plaintext
	)

References CBCMode, CFBMode, CipherDomain, CTRMode, ECBMode, EncipherCBCMode(), EncipherCFBMode(), EncipherCTRMode(), EncipherECBMode(), EncipherOFBMode(), EnumerateError, GetWizardModule, LogWizardEvent(), _CipherInfo::mode, OFBMode, _CipherInfo::signature, ThrowWizardFatalError, TraceEvent, WizardAssert, and WizardSignature.

Referenced by EncryptCipher(), GenerateSecretKey(), and SetKeyInfo().

static StringInfo * EncipherCTRMode	(	CipherInfo *	cipher_info,
		StringInfo *	plaintext
	)

References _CipherInfo::blocksize, CipherDomain, _CipherInfo::encipher_block, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _CipherInfo::handle, IncrementCipherNonce(), LogWizardEvent(), MaxCipherBlocksize, _CipherInfo::nonce, _CipherInfo::random_info, ResetWizardMemory(), SetRandomKey(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by EncipherCipher().

static StringInfo * EncipherECBMode	(	CipherInfo *	cipher_info,
		StringInfo *	plaintext
	)

References _CipherInfo::blocksize, CipherDomain, _CipherInfo::encipher_block, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _CipherInfo::handle, LogWizardEvent(), MaxCipherBlocksize, _CipherInfo::random_info, SetRandomKey(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by EncipherCipher().

static StringInfo * EncipherOFBMode	(	CipherInfo *	cipher_info,
		StringInfo *	plaintext
	)

References _CipherInfo::blocksize, CipherDomain, _CipherInfo::encipher_block, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, _CipherInfo::handle, LogWizardEvent(), MaxCipherBlocksize, _CipherInfo::nonce, _CipherInfo::random_info, ResetWizardMemory(), SetRandomKey(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by EncipherCipher().

WizardExport StringInfo* EncryptCipher	(	CipherInfo *	cipher_info,
		StringInfo *	plaintext
	)

References EncipherCipher().

WizardExport StringInfo* GenerateCipherNonce

(

CipherInfo *

cipher_info

)

References AcquireStringInfo(), _CipherInfo::blocksize, CBCMode, CFBMode, CipherDomain, CTRMode, ECBMode, EnumerateError, GetRandomKey(), GetStringInfoDatum(), GetWizardModule, LogWizardEvent(), _CipherInfo::mode, OFBMode, _CipherInfo::random_info, ResetStringInfo(), SetRandomKey(), _CipherInfo::signature, ThrowWizardFatalError, TraceEvent, WizardAssert, and WizardSignature.

Referenced by AcquireCipherInfo(), AcquireKeyInfo(), and AcquireSecretInfo().

WizardExport size_t GetCipherBlocksize

(

const CipherInfo *

cipher_info

)

References _CipherInfo::blocksize, CipherDomain, GetWizardModule, LogWizardEvent(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

WizardExport const StringInfo* GetCipherNonce

(

CipherInfo *

cipher_info

)

References CipherDomain, GetWizardModule, LogWizardEvent(), _CipherInfo::nonce, _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

static void IncrementCipherNonce	(	const size_t	length,
		unsigned char *	nonce
	)			[inline, static]

References CipherFatalError, and ThrowFatalException.

Referenced by DecipherCTRMode(), and EncipherCTRMode().

WizardExport void ResetCipherNonce

(

CipherInfo *

cipher_info

)

References CipherDomain, GetWizardModule, LogWizardEvent(), _CipherInfo::nonce, ResetStringInfo(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

WizardExport void SetCipherKey	(	CipherInfo *	cipher_info,
		const StringInfo *	key
	)

References AESCipher, _CipherInfo::cipher, CipherDomain, EnumerateError, GetWizardModule, _CipherInfo::handle, LogWizardEvent(), SerpentCipher, SetAESKey(), SetSerpentKey(), SetTwofishKey(), _CipherInfo::signature, ThrowWizardFatalError, TraceEvent, TwofishCipher, WizardAssert, and WizardSignature.

Referenced by AuthenticateSecretKey(), GenerateSecretKey(), GetKeyInfo(), and SetKeyInfo().

WizardExport void SetCipherNonce	(	CipherInfo *	cipher_info,
		const StringInfo *	nonce
	)

References CipherDomain, GetWizardModule, LogWizardEvent(), _CipherInfo::nonce, SetStringInfo(), _CipherInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by AuthenticateSecretKey(), GenerateSecretKey(), GetKeyInfo(), and SetKeyInfo().