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"

Include dependency graph for cipher.c:

Go to the source code of this file.

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

Definition at line 55 of file cipher.c.

Referenced by AcquireCipherInfo().

---

Typedef Documentation

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

Definition at line 61 of file cipher.c.

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

Definition at line 62 of file cipher.c.

---

Function Documentation

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

Definition at line 133 of file cipher.c.

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

Referenced by AcquireKeyInfo(), and AcquireSecretInfo().

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

Definition at line 224 of file cipher.c.

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

Referenced by DecipherCipher().

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

Definition at line 306 of file cipher.c.

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

Referenced by DecipherCipher().

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

Definition at line 391 of file cipher.c.

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

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

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

Definition at line 483 of file cipher.c.

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

Referenced by DecipherCipher().

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

Definition at line 562 of file cipher.c.

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

Referenced by DecipherCipher().

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

Definition at line 621 of file cipher.c.

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

Referenced by DecipherCipher().

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

Definition at line 385 of file cipher.c.

References DecipherCipher().

WizardExport CipherInfo* DestroyCipherInfo

(

CipherInfo *

cipher_info

)

Definition at line 689 of file cipher.c.

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

Referenced by DestroyKeyInfo(), and DestroySecretInfo().

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

Definition at line 755 of file cipher.c.

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

Referenced by EncipherCipher().

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

Definition at line 839 of file cipher.c.

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

Referenced by EncipherCipher().

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

Definition at line 924 of file cipher.c.

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

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

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

Definition at line 1000 of file cipher.c.

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

Referenced by EncipherCipher().

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

Definition at line 1085 of file cipher.c.

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

Referenced by EncipherCipher().

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

Definition at line 1150 of file cipher.c.

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

Referenced by EncipherCipher().

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

Definition at line 918 of file cipher.c.

References EncipherCipher().

WizardExport StringInfo* GenerateCipherNonce

(

CipherInfo *

cipher_info

)

Definition at line 1254 of file cipher.c.

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

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

WizardExport size_t GetCipherBlocksize

(

const CipherInfo *

cipher_info

)

Definition at line 1224 of file cipher.c.

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

WizardExport const StringInfo* GetCipherNonce

(

CipherInfo *

cipher_info

)

Definition at line 1308 of file cipher.c.

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

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

Definition at line 468 of file cipher.c.

References ThrowFatalException, and CipherFatalError.

Referenced by DecipherCTRMode(), and EncipherCTRMode().

WizardExport void ResetCipherNonce

(

CipherInfo *

cipher_info

)

Definition at line 1338 of file cipher.c.

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

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

Definition at line 1405 of file cipher.c.

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

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

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

Definition at line 1370 of file cipher.c.

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

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