MagickCore 7.0.10
Data Structures | Macros | Functions | Variables
aes.c File Reference
#include "wizard/studio.h"
#include "wizard/aes.h"
#include "wizard/exception.h"
#include "wizard/exception-private.h"
#include "wizard/memory_.h"
Include dependency graph for aes.c:

Go to the source code of this file.

Data Structures

struct  _AESInfo
 

Macros

#define AESBlocksize   16
 

Functions

WizardExport AESInfo * AcquireAESInfo (void)
 
static void AddRoundKey (const unsigned int *ciphertext, const unsigned int *key, unsigned int *plaintext)
 
static unsigned int ByteMultiply (const unsigned char alpha, const unsigned char beta)
 
static unsigned int ByteSubTransform (const unsigned int x, const unsigned char *s_box)
 
static void FinalizeRoundKey (const unsigned int *ciphertext, const unsigned int *key, unsigned char *plaintext)
 
static void InitializeRoundKey (const unsigned char *ciphertext, const unsigned int *key, unsigned int *plaintext)
 
static unsigned int RotateLeft (const unsigned int x)
 
WizardExport void DecipherAESBlock (AESInfo *aes_info, const unsigned char *ciphertext, unsigned char *plaintext)
 
WizardExport AESInfo * DestroyAESInfo (AESInfo *aes_info)
 
WizardExport void EncipherAESBlock (AESInfo *aes_info, const unsigned char *plaintext, unsigned char *ciphertext)
 
WizardExport unsigned int GetAESBlocksize (const AESInfo *aes_info)
 
static void InverseAddRoundKey (const unsigned int *alpha, unsigned int *beta)
 
static unsigned int XTime (unsigned char alpha)
 
static unsigned int RotateRight (const unsigned int x)
 
WizardExport void SetAESKey (AESInfo *aes_info, const StringInfo *key)
 

Variables

static unsigned char InverseLog [256]
 
static unsigned char Log [256]
 
static unsigned char SBox [256]
 

Macro Definition Documentation

◆ AESBlocksize

#define AESBlocksize   16

Definition at line 74 of file aes.c.

Function Documentation

◆ AcquireAESInfo()

WizardExport AESInfo * AcquireAESInfo ( void  )

Definition at line 165 of file aes.c.

References AcquireQuantumMemory(), AcquireStringInfo(), AcquireWizardMemory(), AESBlocksize, _AESInfo::blocksize, CipherDomain, _AESInfo::decipher_key, _AESInfo::encipher_key, _AESInfo::key, MemoryError, _AESInfo::signature, ThrowWizardFatalError, _AESInfo::timestamp, and WizardSignature.

Referenced by AcquireCipherInfo().

◆ AddRoundKey()

static void AddRoundKey ( const unsigned int *  ciphertext,
const unsigned int *  key,
unsigned int *  plaintext 
)
inlinestatic

Definition at line 218 of file aes.c.

Referenced by DecipherAESBlock(), and EncipherAESBlock().

◆ ByteMultiply()

static unsigned int ByteMultiply ( const unsigned char  alpha,
const unsigned char  beta 
)
inlinestatic

Definition at line 231 of file aes.c.

References InverseLog, and Log.

Referenced by InverseAddRoundKey().

◆ ByteSubTransform()

static unsigned int ByteSubTransform ( const unsigned int  x,
const unsigned char *  s_box 
)
inlinestatic

Definition at line 242 of file aes.c.

Referenced by DecipherAESBlock(), EncipherAESBlock(), and SetAESKey().

◆ DecipherAESBlock()

WizardExport void DecipherAESBlock ( AESInfo *  aes_info,
const unsigned char *  ciphertext,
unsigned char *  plaintext 
)

Definition at line 319 of file aes.c.

References AddRoundKey(), ByteSubTransform(), _AESInfo::decipher_key, FinalizeRoundKey(), I(), InitializeRoundKey(), ResetWizardMemory(), RotateLeft(), and _AESInfo::rounds.

Referenced by AcquireCipherInfo().

◆ DestroyAESInfo()

WizardExport AESInfo * DestroyAESInfo ( AESInfo *  aes_info)

Definition at line 475 of file aes.c.

References CipherDomain, _AESInfo::decipher_key, DestroyStringInfo(), _AESInfo::encipher_key, GetWizardModule, _AESInfo::key, LogWizardEvent(), RelinquishWizardMemory(), _AESInfo::signature, TraceEvent, WizardAssert, and WizardSignature.

Referenced by DestroyCipherInfo().

◆ EncipherAESBlock()

WizardExport void EncipherAESBlock ( AESInfo *  aes_info,
const unsigned char *  plaintext,
unsigned char *  ciphertext 
)

Definition at line 521 of file aes.c.

References AddRoundKey(), ByteSubTransform(), _AESInfo::encipher_key, FinalizeRoundKey(), InitializeRoundKey(), ResetWizardMemory(), RotateLeft(), _AESInfo::rounds, and SBox.

Referenced by AcquireCipherInfo().

◆ FinalizeRoundKey()

static void FinalizeRoundKey ( const unsigned int *  ciphertext,
const unsigned int *  key,
unsigned char *  plaintext 
)
static

Definition at line 258 of file aes.c.

Referenced by DecipherAESBlock(), and EncipherAESBlock().

◆ GetAESBlocksize()

WizardExport unsigned int GetAESBlocksize ( const AESInfo *  aes_info)

Definition at line 653 of file aes.c.

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

Referenced by AcquireCipherInfo().

◆ InitializeRoundKey()

static void InitializeRoundKey ( const unsigned char *  ciphertext,
const unsigned int *  key,
unsigned int *  plaintext 
)
static

Definition at line 287 of file aes.c.

Referenced by DecipherAESBlock(), and EncipherAESBlock().

◆ InverseAddRoundKey()

static void InverseAddRoundKey ( const unsigned int *  alpha,
unsigned int *  beta 
)
inlinestatic

Definition at line 688 of file aes.c.

References ByteMultiply().

Referenced by SetAESKey().

◆ RotateLeft()

static unsigned int RotateLeft ( const unsigned int  x)
inlinestatic

Definition at line 314 of file aes.c.

Referenced by DecipherAESBlock(), and EncipherAESBlock().

◆ RotateRight()

static unsigned int RotateRight ( const unsigned int  x)
inlinestatic

Definition at line 717 of file aes.c.

◆ SetAESKey()

WizardExport void SetAESKey ( AESInfo *  aes_info,
const StringInfo *  key 
)

Definition at line 722 of file aes.c.

References AESBlocksize, ByteSubTransform(), CipherDomain, CopyWizardMemory(), _AESInfo::decipher_key, _AESInfo::encipher_key, GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, InverseAddRoundKey(), _AESInfo::key, LogWizardEvent(), Min, ResetWizardMemory(), RotateRight, _AESInfo::rounds, SBox, _AESInfo::signature, TraceEvent, WizardAssert, WizardSignature, and XTime().

Referenced by SetCipherKey().

◆ XTime()

static unsigned int XTime ( unsigned char  alpha)
inlinestatic

Definition at line 706 of file aes.c.

Referenced by SetAESKey().

Variable Documentation

◆ InverseLog

unsigned char InverseLog[256]
static
Initial value:
=
{
1, 3, 5, 15, 17, 51, 85, 255, 26, 46, 114, 150, 161, 248,
19, 53, 95, 225, 56, 72, 216, 115, 149, 164, 247, 2, 6, 10,
30, 34, 102, 170, 229, 52, 92, 228, 55, 89, 235, 38, 106, 190,
217, 112, 144, 171, 230, 49, 83, 245, 4, 12, 20, 60, 68, 204,
79, 209, 104, 184, 211, 110, 178, 205, 76, 212, 103, 169, 224, 59,
77, 215, 98, 166, 241, 8, 24, 40, 120, 136, 131, 158, 185, 208,
107, 189, 220, 127, 129, 152, 179, 206, 73, 219, 118, 154, 181, 196,
87, 249, 16, 48, 80, 240, 11, 29, 39, 105, 187, 214, 97, 163,
254, 25, 43, 125, 135, 146, 173, 236, 47, 113, 147, 174, 233, 32,
96, 160, 251, 22, 58, 78, 210, 109, 183, 194, 93, 231, 50, 86,
250, 21, 63, 65, 195, 94, 226, 61, 71, 201, 64, 192, 91, 237,
44, 116, 156, 191, 218, 117, 159, 186, 213, 100, 172, 239, 42, 126,
130, 157, 188, 223, 122, 142, 137, 128, 155, 182, 193, 88, 232, 35,
101, 175, 234, 37, 111, 177, 200, 67, 197, 84, 252, 31, 33, 99,
165, 244, 7, 9, 27, 45, 119, 153, 176, 203, 70, 202, 69, 207,
74, 222, 121, 139, 134, 145, 168, 227, 62, 66, 198, 81, 243, 14,
18, 54, 90, 238, 41, 123, 141, 140, 143, 138, 133, 148, 167, 242,
13, 23, 57, 75, 221, 124, 132, 151, 162, 253, 28, 36, 108, 180,
199, 82, 246, 1
}

Definition at line 80 of file aes.c.

Referenced by ByteMultiply().

◆ Log

unsigned char Log[256]
static
Initial value:
=
{
0, 0, 25, 1, 50, 2, 26, 198, 75, 199, 27, 104, 51, 238,
223, 3, 100, 4, 224, 14, 52, 141, 129, 239, 76, 113, 8, 200,
248, 105, 28, 193, 125, 194, 29, 181, 249, 185, 39, 106, 77, 228,
166, 114, 154, 201, 9, 120, 101, 47, 138, 5, 33, 15, 225, 36,
18, 240, 130, 69, 53, 147, 218, 142, 150, 143, 219, 189, 54, 208,
206, 148, 19, 92, 210, 241, 64, 70, 131, 56, 102, 221, 253, 48,
191, 6, 139, 98, 179, 37, 226, 152, 34, 136, 145, 16, 126, 110,
72, 195, 163, 182, 30, 66, 58, 107, 40, 84, 250, 133, 61, 186,
43, 121, 10, 21, 155, 159, 94, 202, 78, 212, 172, 229, 243, 115,
167, 87, 175, 88, 168, 80, 244, 234, 214, 116, 79, 174, 233, 213,
231, 230, 173, 232, 44, 215, 117, 122, 235, 22, 11, 245, 89, 203,
95, 176, 156, 169, 81, 160, 127, 12, 246, 111, 23, 196, 73, 236,
216, 67, 31, 45, 164, 118, 123, 183, 204, 187, 62, 90, 251, 96,
177, 134, 59, 82, 161, 108, 170, 85, 41, 157, 151, 178, 135, 144,
97, 190, 220, 252, 188, 149, 207, 205, 55, 63, 91, 209, 83, 57,
132, 60, 65, 162, 109, 71, 20, 42, 158, 93, 86, 242, 211, 171,
68, 17, 146, 217, 35, 32, 46, 137, 180, 124, 184, 38, 119, 153,
227, 165, 103, 74, 237, 222, 197, 49, 254, 24, 13, 99, 140, 128,
192, 247, 112, 7,
}

Definition at line 102 of file aes.c.

Referenced by ByteMultiply().

◆ SBox

unsigned char SBox[256]
static
Initial value:
=
{
99, 124, 119, 123, 242, 107, 111, 197, 48, 1, 103, 43, 254, 215,
171, 118, 202, 130, 201, 125, 250, 89, 71, 240, 173, 212, 162, 175,
156, 164, 114, 192, 183, 253, 147, 38, 54, 63, 247, 204, 52, 165,
229, 241, 113, 216, 49, 21, 4, 199, 35, 195, 24, 150, 5, 154,
7, 18, 128, 226, 235, 39, 178, 117, 9, 131, 44, 26, 27, 110,
90, 160, 82, 59, 214, 179, 41, 227, 47, 132, 83, 209, 0, 237,
32, 252, 177, 91, 106, 203, 190, 57, 74, 76, 88, 207, 208, 239,
170, 251, 67, 77, 51, 133, 69, 249, 2, 127, 80, 60, 159, 168,
81, 163, 64, 143, 146, 157, 56, 245, 188, 182, 218, 33, 16, 255,
243, 210, 205, 12, 19, 236, 95, 151, 68, 23, 196, 167, 126, 61,
100, 93, 25, 115, 96, 129, 79, 220, 34, 42, 144, 136, 70, 238,
184, 20, 222, 94, 11, 219, 224, 50, 58, 10, 73, 6, 36, 92,
194, 211, 172, 98, 145, 149, 228, 121, 231, 200, 55, 109, 141, 213,
78, 169, 108, 86, 244, 234, 101, 122, 174, 8, 186, 120, 37, 46,
28, 166, 180, 198, 232, 221, 116, 31, 75, 189, 139, 138, 112, 62,
181, 102, 72, 3, 246, 14, 97, 53, 87, 185, 134, 193, 29, 158,
225, 248, 152, 17, 105, 217, 142, 148, 155, 30, 135, 233, 206, 85,
40, 223, 140, 161, 137, 13, 191, 230, 66, 104, 65, 153, 45, 15,
176, 84, 187, 22
}

Definition at line 124 of file aes.c.

Referenced by EncipherAESBlock(), and SetAESKey().