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Commit a3b2b98f authored by Niels Möller's avatar Niels Möller
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Added more ciphers. 

Rev: src/nettle/examples/nettle-benchmark.c:1.2
parent 16134ecf
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examples/nettle-benchmark.c
+ 200
− 54
View file @ a3b2b98f
......@@ -25,8 +25,16 @@
*/
#include "aes.h"
#include "arcfour.h"
#include "blowfish.h"
#include "cast128.h"
#include "des.h"
#include "serpent.h"
#include "twofish.h"
#include "cbc.h"
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
......@@ -34,12 +42,18 @@
#include <time.h>
/* Encrypt 1MB, 1K at a time. */
#define BENCH_SIZE 1024
/* Encrypt 100MB, 1K at a time. */
#define BENCH_BLOCK 1024
#define BENCH_COUNT 10240
typedef void (*crypt_func)(void *ctx,
unsigned length, uint8_t *dst,
const uint8_t *src);
typedef void (*setkey_func)(void *ctx,
unsigned length,
const uint8_t *key);
static double
time_function(void (*f)(void *arg), void *arg)
{
......@@ -68,8 +82,8 @@ bench_cipher(void *arg)
struct bench_cipher_info *info = arg;
unsigned i;
for (i = 0; i<BENCH_SIZE; i++)
info->crypt(info->ctx, BENCH_SIZE, info->data, info->data);
for (i = 0; i<BENCH_COUNT; i++)
info->crypt(info->ctx, BENCH_BLOCK, info->data, info->data);
}
struct bench_cbc_info
......@@ -89,10 +103,10 @@ bench_cbc_encrypt(void *arg)
struct bench_cbc_info *info = arg;
unsigned i;
for (i = 0; i<BENCH_SIZE; i++)
for (i = 0; i<BENCH_COUNT; i++)
cbc_encrypt(info->ctx, info->crypt,
info->block_size, info->iv,
BENCH_SIZE, info->data, info->data);
BENCH_BLOCK, info->data, info->data);
}
static void
......@@ -101,10 +115,10 @@ bench_cbc_decrypt(void *arg)
struct bench_cbc_info *info = arg;
unsigned i;
for (i = 0; i<BENCH_SIZE; i++)
for (i = 0; i<BENCH_COUNT; i++)
cbc_decrypt(info->ctx, info->crypt,
info->block_size, info->iv,
BENCH_SIZE, info->data, info->data);
BENCH_BLOCK, info->data, info->data);
}
/* Set data[i] = floor(sqrt(i)) */
......@@ -112,7 +126,7 @@ static void
init_data(uint8_t *data)
{
unsigned i,j;
for (i = j = 0; i<BENCH_SIZE; i++)
for (i = j = 0; i<BENCH_BLOCK; i++)
{
if (j*j < i)
j++;
......@@ -121,73 +135,205 @@ init_data(uint8_t *data)
}
static void
bench(const char *name, void (*f)(void *), void *arg)
init_key(unsigned length,
uint8_t *key)
{
printf("%15s: %f\n", name, time_function(f, arg));
unsigned i;
for (i = 0; i<length; i++)
key[i] = i;
}
int
main(int argc, char **argv)
struct cipher
{
/* Time block ciphers */
uint8_t iv[AES_BLOCK_SIZE];
uint8_t key[AES_MAX_KEY_SIZE];
const char *name;
unsigned context_size;
uint8_t data[BENCH_SIZE];
unsigned block_size;
unsigned key_size;
setkey_func setkey;
crypt_func encrypt;
crypt_func decrypt;
};
static void
time_cipher(struct cipher *cipher)
{
struct aes_ctx ctx;
struct bench_cipher_info info
= { &ctx, (crypt_func) aes_encrypt, data };
void *ctx = alloca(cipher->context_size);
uint8_t *key = alloca(cipher->key_size);
uint8_t data[BENCH_BLOCK];
memset(key, 0, sizeof(key));
printf("\n");
aes_set_key(&ctx, sizeof(key), key);
init_data(data);
bench("AES (ECB encrypt)", bench_cipher, &info);
{
struct bench_cipher_info info
= { ctx, cipher->encrypt, data };
init_key(cipher->key_size, key);
cipher->setkey(ctx, cipher->key_size, key);
printf("%13s (ECB encrypt): %f\n", cipher->name,
time_function(bench_cipher, &info));
}
{
struct aes_ctx ctx;
struct bench_cipher_info info
= { &ctx, (crypt_func) aes_decrypt, data };
= { ctx, cipher->decrypt, data };
memset(key, 0, sizeof(key));
init_key(cipher->key_size, key);
cipher->setkey(ctx, cipher->key_size, key);
aes_set_key(&ctx, sizeof(key), key);
init_data(data);
bench("AES (ECB decrypt)", bench_cipher, &info);
printf("%13s (ECB decrypt): %f\n", cipher->name,
time_function(bench_cipher, &info));
}
if (cipher->block_size)
{
uint8_t *iv = alloca(cipher->block_size);
/* Do CBC mode */
{
struct aes_ctx ctx;
struct bench_cbc_info info
= { &ctx, (crypt_func) aes_encrypt, data, AES_BLOCK_SIZE, iv };
= { ctx, cipher->encrypt, data, cipher->block_size, iv };
memset(key, 0, sizeof(key));
memset(iv, 0, sizeof(iv));
aes_set_key(&ctx, sizeof(key), key);
init_data(data);
cipher->setkey(ctx, cipher->key_size, key);
bench("AES (CBC encrypt)", bench_cbc_encrypt, &info);
printf("%13s (CBC encrypt): %f\n", cipher->name,
time_function(bench_cbc_encrypt,
&info));
}
{
struct aes_ctx ctx;
struct bench_cbc_info info
= { &ctx, (crypt_func) aes_decrypt, data, AES_BLOCK_SIZE, iv };
= { ctx, cipher->decrypt, data, cipher->block_size, iv };
memset(key, 0, sizeof(key));
memset(iv, 0, sizeof(iv));
aes_set_key(&ctx, sizeof(key), key);
init_data(data);
cipher->setkey(ctx, cipher->key_size, key);
printf("%13s (CBC decrypt): %f\n", cipher->name,
time_function(bench_cbc_decrypt,
&info));
}
}
}
/* DES uses a different signature for the key set function.
* And we have to adjust parity. */
static void
des_set_key_hack(void *c, unsigned length, const uint8_t *key)
{
struct des_ctx *ctx = c;
uint8_t pkey[DES_KEY_SIZE];
assert(length == DES_KEY_SIZE);
des_fix_parity(DES_KEY_SIZE, pkey, key);
if (!des_set_key(ctx, pkey))
abort();
}
static void
des3_set_key_hack(void *c, unsigned length, const uint8_t *key)
{
struct des3_ctx *ctx = c;
uint8_t pkey[DES3_KEY_SIZE];
bench("AES (CBC decrypt)", bench_cbc_decrypt, &info);
assert(length == DES3_KEY_SIZE);
des_fix_parity(DES3_KEY_SIZE, pkey, key);
if (!des3_set_key(ctx, pkey))
abort();
}
#define NCIPHERS 12
int
main(int argc, char **argv)
{
unsigned i;
struct cipher ciphers[NCIPHERS] =
{
{ "AES-128", sizeof(struct aes_ctx),
AES_BLOCK_SIZE, 16,
(setkey_func) aes_set_key,
(crypt_func) aes_encrypt,
(crypt_func) aes_decrypt
},
{ "AES-192", sizeof(struct aes_ctx),
AES_BLOCK_SIZE, 24,
(setkey_func) aes_set_key,
(crypt_func) aes_encrypt,
(crypt_func) aes_decrypt
},
{ "AES-256", sizeof(struct aes_ctx),
AES_BLOCK_SIZE, 32,
(setkey_func) aes_set_key,
(crypt_func) aes_encrypt,
(crypt_func) aes_decrypt
},
{ "ARCFOUR-128", sizeof(struct arcfour_ctx),
0, ARCFOUR_KEY_SIZE,
(setkey_func) arcfour_set_key,
(crypt_func) arcfour_crypt,
(crypt_func) arcfour_crypt
},
{ "BLOWFISH-128", sizeof(struct blowfish_ctx),
BLOWFISH_BLOCK_SIZE, BLOWFISH_KEY_SIZE,
(setkey_func) blowfish_set_key,
(crypt_func) blowfish_encrypt,
(crypt_func) blowfish_decrypt
},
{ "CAST-128", sizeof(struct cast128_ctx),
CAST128_BLOCK_SIZE, CAST128_KEY_SIZE,
(setkey_func) cast128_set_key,
(crypt_func) cast128_encrypt,
(crypt_func) cast128_decrypt
},
{ "DES", sizeof(struct des_ctx),
DES_BLOCK_SIZE, DES_KEY_SIZE,
des_set_key_hack,
(crypt_func) des_encrypt,
(crypt_func) des_decrypt
},
{ "DES3", sizeof(struct des3_ctx),
DES3_BLOCK_SIZE, DES3_KEY_SIZE,
des3_set_key_hack,
(crypt_func) des3_encrypt,
(crypt_func) des3_decrypt
},
{ "SERPENT-256", sizeof(struct serpent_ctx),
SERPENT_BLOCK_SIZE, SERPENT_KEY_SIZE,
(setkey_func) serpent_set_key,
(crypt_func) serpent_encrypt,
(crypt_func) serpent_decrypt
},
{ "TWOFISH-128", sizeof(struct twofish_ctx),
TWOFISH_BLOCK_SIZE, 16,
(setkey_func) twofish_set_key,
(crypt_func) twofish_encrypt,
(crypt_func) twofish_decrypt
},
{ "TWOFISH-192", sizeof(struct twofish_ctx),
TWOFISH_BLOCK_SIZE, 24,
(setkey_func) twofish_set_key,
(crypt_func) twofish_encrypt,
(crypt_func) twofish_decrypt
},
{ "TWOFISH-256", sizeof(struct twofish_ctx),
TWOFISH_BLOCK_SIZE, 32,
(setkey_func) twofish_set_key,
(crypt_func) twofish_encrypt,
(crypt_func) twofish_decrypt
},
};
for (i = 0; i<NCIPHERS; i++)
time_cipher(ciphers + i);
return 0;
}
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