Data Structures | Defines | Typedefs | Functions

# 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)

## Define Documentation

#define CipherRandomHash SHA256Hash

Referenced by AcquireCipherInfo().

## 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().