iPXE
Macros | Functions
cipher_test.c File Reference

Cipher self-tests. More...

#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <ipxe/crypto.h>
#include <ipxe/profile.h>
#include <ipxe/test.h>
#include "cipher_test.h"

Go to the source code of this file.

Macros

#define PROFILE_COUNT   16
 Number of sample iterations for profiling. More...
 

Functions

 FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
 
void cipher_encrypt_okx (struct cipher_test *test, const char *file, unsigned int line)
 Report a cipher encryption test result. More...
 
void cipher_decrypt_okx (struct cipher_test *test, const char *file, unsigned int line)
 Report a cipher decryption test result. More...
 
void cipher_okx (struct cipher_test *test, const char *file, unsigned int line)
 Report a cipher encryption and decryption test result. More...
 
static unsigned long cipher_cost (struct cipher_algorithm *cipher, size_t key_len, void(*op)(struct cipher_algorithm *cipher, void *ctx, const void *src, void *dst, size_t len))
 Calculate cipher encryption or decryption cost. More...
 
unsigned long cipher_cost_encrypt (struct cipher_algorithm *cipher, size_t key_len)
 Calculate cipher encryption cost. More...
 
unsigned long cipher_cost_decrypt (struct cipher_algorithm *cipher, size_t key_len)
 Calculate cipher decryption cost. More...
 

Detailed Description

Cipher self-tests.

Definition in file cipher_test.c.

Macro Definition Documentation

◆ PROFILE_COUNT

#define PROFILE_COUNT   16

Number of sample iterations for profiling.

Definition at line 45 of file cipher_test.c.

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL  )

◆ cipher_encrypt_okx()

void cipher_encrypt_okx ( struct cipher_test test,
const char *  file,
unsigned int  line 
)

Report a cipher encryption test result.

Parameters
testCipher test
fileTest code file
lineTest code line

Definition at line 54 of file cipher_test.c.

55  {
56  struct cipher_algorithm *cipher = test->cipher;
57  size_t len = test->len;
58  uint8_t ctx[cipher->ctxsize];
59  uint8_t ciphertext[len];
60 
61  /* Initialise cipher */
62  okx ( cipher_setkey ( cipher, ctx, test->key, test->key_len ) == 0,
63  file, line );
64  cipher_setiv ( cipher, ctx, test->iv );
65 
66  /* Perform encryption */
67  cipher_encrypt ( cipher, ctx, test->plaintext, ciphertext, len );
68 
69  /* Compare against expected ciphertext */
70  okx ( memcmp ( ciphertext, test->ciphertext, len ) == 0, file, line );
71 }
struct golan_eq_context ctx
Definition: CIB_PRM.h:28
#define cipher_encrypt(cipher, ctx, src, dst, len)
Definition: crypto.h:202
#define okx(success, file, line)
Report test result.
Definition: test.h:44
unsigned char uint8_t
Definition: stdint.h:10
size_t ctxsize
Context size.
Definition: crypto.h:52
uint32_t len
Length.
Definition: ena.h:14
A cipher algorithm.
Definition: crypto.h:48
int memcmp(const void *first, const void *second, size_t len)
Compare memory regions.
Definition: string.c:98
static int test
Definition: epic100.c:73
static int cipher_setkey(struct cipher_algorithm *cipher, void *ctx, const void *key, size_t keylen)
Definition: crypto.h:187
static void cipher_setiv(struct cipher_algorithm *cipher, void *ctx, const void *iv)
Definition: crypto.h:192

References cipher_encrypt, cipher_setiv(), cipher_setkey(), ctx, cipher_algorithm::ctxsize, len, memcmp(), okx, and test.

Referenced by cipher_okx().

◆ cipher_decrypt_okx()

void cipher_decrypt_okx ( struct cipher_test test,
const char *  file,
unsigned int  line 
)

Report a cipher decryption test result.

Parameters
testCipher test
fileTest code file
lineTest code line

Definition at line 80 of file cipher_test.c.

81  {
82  struct cipher_algorithm *cipher = test->cipher;
83  size_t len = test->len;
84  uint8_t ctx[cipher->ctxsize];
85  uint8_t plaintext[len];
86 
87  /* Initialise cipher */
88  okx ( cipher_setkey ( cipher, ctx, test->key, test->key_len ) == 0,
89  file, line );
90  cipher_setiv ( cipher, ctx, test->iv );
91 
92  /* Perform encryption */
93  cipher_decrypt ( cipher, ctx, test->ciphertext, plaintext, len );
94 
95  /* Compare against expected plaintext */
96  okx ( memcmp ( plaintext, test->plaintext, len ) == 0, file, line );
97 }
struct golan_eq_context ctx
Definition: CIB_PRM.h:28
#define okx(success, file, line)
Report test result.
Definition: test.h:44
unsigned char uint8_t
Definition: stdint.h:10
size_t ctxsize
Context size.
Definition: crypto.h:52
#define cipher_decrypt(cipher, ctx, src, dst, len)
Definition: crypto.h:212
uint32_t len
Length.
Definition: ena.h:14
A cipher algorithm.
Definition: crypto.h:48
int memcmp(const void *first, const void *second, size_t len)
Compare memory regions.
Definition: string.c:98
static int test
Definition: epic100.c:73
static int cipher_setkey(struct cipher_algorithm *cipher, void *ctx, const void *key, size_t keylen)
Definition: crypto.h:187
static void cipher_setiv(struct cipher_algorithm *cipher, void *ctx, const void *iv)
Definition: crypto.h:192

References cipher_decrypt, cipher_setiv(), cipher_setkey(), ctx, cipher_algorithm::ctxsize, len, memcmp(), okx, and test.

Referenced by cipher_okx().

◆ cipher_okx()

void cipher_okx ( struct cipher_test test,
const char *  file,
unsigned int  line 
)

Report a cipher encryption and decryption test result.

Parameters
testCipher test
fileTest code file
lineTest code line

Definition at line 106 of file cipher_test.c.

107  {
108 
109  cipher_encrypt_okx ( test, file, line );
110  cipher_decrypt_okx ( test, file, line );
111 }
void cipher_decrypt_okx(struct cipher_test *test, const char *file, unsigned int line)
Report a cipher decryption test result.
Definition: cipher_test.c:80
void cipher_encrypt_okx(struct cipher_test *test, const char *file, unsigned int line)
Report a cipher encryption test result.
Definition: cipher_test.c:54
static int test
Definition: epic100.c:73

References cipher_decrypt_okx(), cipher_encrypt_okx(), and test.

◆ cipher_cost()

static unsigned long cipher_cost ( struct cipher_algorithm cipher,
size_t  key_len,
void(*)(struct cipher_algorithm *cipher, void *ctx, const void *src, void *dst, size_t len op 
)
static

Calculate cipher encryption or decryption cost.

Parameters
cipherCipher algorithm
key_lenLength of key
opEncryption or decryption operation
Return values
costCost (in cycles per byte)

Definition at line 122 of file cipher_test.c.

124  {
125  static uint8_t random[8192]; /* Too large for stack */
126  uint8_t key[key_len];
127  uint8_t iv[cipher->blocksize];
128  uint8_t ctx[cipher->ctxsize];
129  struct profiler profiler;
130  unsigned long cost;
131  unsigned int i;
132  int rc;
133 
134  /* Fill buffer with pseudo-random data */
135  srand ( 0x1234568 );
136  for ( i = 0 ; i < sizeof ( random ) ; i++ )
137  random[i] = rand();
138  for ( i = 0 ; i < sizeof ( key ) ; i++ )
139  key[i] = rand();
140  for ( i = 0 ; i < sizeof ( iv ) ; i++ )
141  iv[i] = rand();
142 
143  /* Initialise cipher */
144  rc = cipher_setkey ( cipher, ctx, key, key_len );
145  assert ( rc == 0 );
146  cipher_setiv ( cipher, ctx, iv );
147 
148  /* Profile cipher operation */
149  memset ( &profiler, 0, sizeof ( profiler ) );
150  for ( i = 0 ; i < PROFILE_COUNT ; i++ ) {
151  profile_start ( &profiler );
152  op ( cipher, ctx, random, random, sizeof ( random ) );
153  profile_stop ( &profiler );
154  }
155 
156  /* Round to nearest whole number of cycles per byte */
157  cost = ( ( profile_mean ( &profiler ) + ( sizeof ( random ) / 2 ) ) /
158  sizeof ( random ) );
159 
160  return cost;
161 }
unsigned long profile_mean(struct profiler *profiler)
Get mean sample value.
Definition: profile.c:241
size_t blocksize
Block size.
Definition: crypto.h:54
struct arbelprm_rc_send_wqe rc
Definition: arbel.h:14
struct golan_eq_context ctx
Definition: CIB_PRM.h:28
A data structure for storing profiling information.
Definition: profile.h:26
static void profile_stop(struct profiler *profiler)
Stop profiling.
Definition: profile.h:171
u8 iv[16]
Initialization vector.
Definition: wpa.h:60
assert((readw(&hdr->flags) &(GTF_reading|GTF_writing))==0)
static int rand(void)
Definition: stdlib.h:59
static void srand(unsigned int seed)
Definition: stdlib.h:63
static void profile_start(struct profiler *profiler)
Start profiling.
Definition: profile.h:158
long int random(void)
Generate a pseudo-random number between 0 and 2147483647L or 2147483562?
Definition: random.c:30
unsigned char uint8_t
Definition: stdint.h:10
size_t ctxsize
Context size.
Definition: crypto.h:52
uint32_t cost
Root path cost.
Definition: stp.h:28
#define PROFILE_COUNT
Number of sample iterations for profiling.
Definition: cipher_test.c:45
static uint16_t struct vmbus_xfer_pages_operations * op
Definition: netvsc.h:327
union @375 key
Sense key.
Definition: scsi.h:18
static int cipher_setkey(struct cipher_algorithm *cipher, void *ctx, const void *key, size_t keylen)
Definition: crypto.h:187
static void cipher_setiv(struct cipher_algorithm *cipher, void *ctx, const void *iv)
Definition: crypto.h:192
void * memset(void *dest, int character, size_t len) __nonnull

References assert(), cipher_algorithm::blocksize, cipher_setiv(), cipher_setkey(), cost, ctx, cipher_algorithm::ctxsize, iv, key, memset(), op, PROFILE_COUNT, profile_mean(), profile_start(), profile_stop(), rand(), random(), rc, and srand().

Referenced by cipher_cost_decrypt(), and cipher_cost_encrypt().

◆ cipher_cost_encrypt()

unsigned long cipher_cost_encrypt ( struct cipher_algorithm cipher,
size_t  key_len 
)

Calculate cipher encryption cost.

Parameters
cipherCipher algorithm
key_lenLength of key
Return values
costCost (in cycles per byte)

Definition at line 170 of file cipher_test.c.

171  {
172  return cipher_cost ( cipher, key_len, cipher_encrypt );
173 }
static unsigned long cipher_cost(struct cipher_algorithm *cipher, size_t key_len, void(*op)(struct cipher_algorithm *cipher, void *ctx, const void *src, void *dst, size_t len))
Calculate cipher encryption or decryption cost.
Definition: cipher_test.c:122
#define cipher_encrypt(cipher, ctx, src, dst, len)
Definition: crypto.h:202

References cipher_cost(), and cipher_encrypt.

Referenced by aes_test_exec().

◆ cipher_cost_decrypt()

unsigned long cipher_cost_decrypt ( struct cipher_algorithm cipher,
size_t  key_len 
)

Calculate cipher decryption cost.

Parameters
cipherCipher algorithm
key_lenLength of key
Return values
costCost (in cycles per byte)

Definition at line 182 of file cipher_test.c.

183  {
184  return cipher_cost ( cipher, key_len, cipher_decrypt );
185 }
static unsigned long cipher_cost(struct cipher_algorithm *cipher, size_t key_len, void(*op)(struct cipher_algorithm *cipher, void *ctx, const void *src, void *dst, size_t len))
Calculate cipher encryption or decryption cost.
Definition: cipher_test.c:122
#define cipher_decrypt(cipher, ctx, src, dst, len)
Definition: crypto.h:212

References cipher_cost(), and cipher_decrypt.

Referenced by aes_test_exec().