diff options
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/tcrypt.c | 134 | ||||
| -rw-r--r-- | crypto/tcrypt.h | 92 |
2 files changed, 222 insertions, 4 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 85a88a71ff5..414ef5e7117 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -12,8 +12,9 @@ * Software Foundation; either version 2 of the License, or (at your option) * any later version. * - * 14 - 09 - 2003 - * Rewritten by Kartikey Mahendra Bhatt + * 2004-08-09 Added cipher speed tests (Reyk Floeter <reyk@vantronix.net>) + * 2003-09-14 Rewritten by Kartikey Mahendra Bhatt + * */ #include <linux/init.h> @@ -25,12 +26,13 @@ #include <linux/crypto.h> #include <linux/highmem.h> #include <linux/moduleparam.h> +#include <linux/jiffies.h> #include "tcrypt.h" /* * Need to kmalloc() memory for testing kmap(). */ -#define TVMEMSIZE 4096 +#define TVMEMSIZE 16384 #define XBUFSIZE 32768 /* @@ -55,6 +57,11 @@ static unsigned int IDX[8] = { IDX1, IDX2, IDX3, IDX4, IDX5, IDX6, IDX7, IDX8 }; +/* + * Used by test_cipher_speed() + */ +static unsigned int sec = 10; + static int mode; static char *xbuf; static char *tvmem; @@ -419,6 +426,90 @@ out: crypto_free_tfm(tfm); } +static void test_cipher_speed(char *algo, int mode, int enc, unsigned int sec, + struct cipher_speed *speed) +{ + unsigned int ret, i, iv_len; + unsigned char *key, *p, iv[128]; + struct crypto_tfm *tfm; + struct scatterlist sg[8]; + unsigned long start, bcount; + const char *e, *m; + + if (enc == ENCRYPT) + e = "encryption"; + else + e = "decryption"; + if (mode == MODE_ECB) + m = "ECB"; + else + m = "CBC"; + + printk("\ntesting speed of %s %s %s\n", algo, m, e); + + if (mode) + tfm = crypto_alloc_tfm(algo, 0); + else + tfm = crypto_alloc_tfm(algo, CRYPTO_TFM_MODE_CBC); + + if (tfm == NULL) { + printk("failed to load transform for %s %s\n", algo, m); + return; + } + + for (i = 0; speed[i].klen != 0; i++) { + if ((speed[i].blen + speed[i].klen) > TVMEMSIZE) { + printk("template (%u) too big for tvmem (%u)\n", + speed[i].blen + speed[i].klen, TVMEMSIZE); + goto out; + } + + printk("test %u (%d bit key, %d byte blocks): ", i, + speed[i].klen * 8, speed[i].blen); + + memset(tvmem, 0xff, speed[i].klen + speed[i].blen); + + /* set key, plain text and IV */ + key = (unsigned char *)tvmem; + p = (unsigned char *)tvmem + speed[i].klen; + + ret = crypto_cipher_setkey(tfm, key, speed[i].klen); + if (ret) { + printk("setkey() failed flags=%x\n", tfm->crt_flags); + goto out; + } + + if (!mode) { + iv_len = crypto_tfm_alg_ivsize(tfm); + memset(&iv, 0xff, iv_len); + crypto_cipher_set_iv(tfm, iv, iv_len); + } + + for (start = jiffies, bcount = 0; + ((jiffies - start) / HZ) < sec; bcount++) { + sg[0].page = virt_to_page(p); + sg[0].offset = offset_in_page(p); + sg[0].length = speed[i].blen; + + if (enc) + ret = crypto_cipher_encrypt(tfm, sg, sg, speed[i].blen); + else + ret = crypto_cipher_decrypt(tfm, sg, sg, speed[i].blen); + + if (ret) { + printk("%s () failed flags=%x\n", e, tfm->crt_flags); + goto out; + } + } + + printk("%lu operations in %u seconds (%lu bytes)\n", + bcount, sec, bcount * speed[i].blen); + } + +out: + crypto_free_tfm(tfm); +} + static void test_deflate(void) { unsigned int i; @@ -861,6 +952,41 @@ static void do_test(void) #endif + case 200: + test_cipher_speed("aes", MODE_ECB, ENCRYPT, sec, aes_speed_template); + test_cipher_speed("aes", MODE_ECB, DECRYPT, sec, aes_speed_template); + test_cipher_speed("aes", MODE_CBC, ENCRYPT, sec, aes_speed_template); + test_cipher_speed("aes", MODE_CBC, DECRYPT, sec, aes_speed_template); + break; + + case 201: + test_cipher_speed("des3_ede", MODE_ECB, ENCRYPT, sec, des3_ede_speed_template); + test_cipher_speed("des3_ede", MODE_ECB, DECRYPT, sec, des3_ede_speed_template); + test_cipher_speed("des3_ede", MODE_CBC, ENCRYPT, sec, des3_ede_speed_template); + test_cipher_speed("des3_ede", MODE_CBC, DECRYPT, sec, des3_ede_speed_template); + break; + + case 202: + test_cipher_speed("twofish", MODE_ECB, ENCRYPT, sec, twofish_speed_template); + test_cipher_speed("twofish", MODE_ECB, DECRYPT, sec, twofish_speed_template); + test_cipher_speed("twofish", MODE_CBC, ENCRYPT, sec, twofish_speed_template); + test_cipher_speed("twofish", MODE_CBC, DECRYPT, sec, twofish_speed_template); + break; + + case 203: + test_cipher_speed("blowfish", MODE_ECB, ENCRYPT, sec, blowfish_speed_template); + test_cipher_speed("blowfish", MODE_ECB, DECRYPT, sec, blowfish_speed_template); + test_cipher_speed("blowfish", MODE_CBC, ENCRYPT, sec, blowfish_speed_template); + test_cipher_speed("blowfish", MODE_CBC, DECRYPT, sec, blowfish_speed_template); + break; + + case 204: + test_cipher_speed("des", MODE_ECB, ENCRYPT, sec, des_speed_template); + test_cipher_speed("des", MODE_ECB, DECRYPT, sec, des_speed_template); + test_cipher_speed("des", MODE_CBC, ENCRYPT, sec, des_speed_template); + test_cipher_speed("des", MODE_CBC, DECRYPT, sec, des_speed_template); + break; + case 1000: test_available(); break; @@ -901,6 +1027,8 @@ module_init(init); module_exit(fini); module_param(mode, int, 0); +module_param(sec, uint, 0); +MODULE_PARM_DESC(sec, "Length in seconds of speed tests"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Quick & dirty crypto testing module"); diff --git a/crypto/tcrypt.h b/crypto/tcrypt.h index 72d40704042..c01a0ce9b40 100644 --- a/crypto/tcrypt.h +++ b/crypto/tcrypt.h @@ -12,7 +12,8 @@ * Software Foundation; either version 2 of the License, or (at your option) * any later version. * - * 14 - 09 - 2003 Changes by Kartikey Mahendra Bhatt + * 2004-08-09 Cipher speed tests by Reyk Floeter <reyk@vantronix.net> + * 2003-09-14 Changes by Kartikey Mahendra Bhatt * */ #ifndef _CRYPTO_TCRYPT_H @@ -58,6 +59,11 @@ struct cipher_testvec { unsigned char tap[MAX_TAP]; }; +struct cipher_speed { + unsigned char klen; + unsigned int blen; +}; + /* * MD4 test vectors from RFC1320 */ @@ -2728,4 +2734,88 @@ static struct hash_testvec michael_mic_tv_template[] = { } }; +/* + * Cipher speed tests + */ +static struct cipher_speed aes_speed_template[] = { + { .klen = 16, .blen = 16, }, + { .klen = 16, .blen = 64, }, + { .klen = 16, .blen = 256, }, + { .klen = 16, .blen = 1024, }, + { .klen = 16, .blen = 8192, }, + { .klen = 24, .blen = 16, }, + { .klen = 24, .blen = 64, }, + { .klen = 24, .blen = 256, }, + { .klen = 24, .blen = 1024, }, + { .klen = 24, .blen = 8192, }, + { .klen = 32, .blen = 16, }, + { .klen = 32, .blen = 64, }, + { .klen = 32, .blen = 256, }, + { .klen = 32, .blen = 1024, }, + { .klen = 32, .blen = 8192, }, + + /* End marker */ + { .klen = 0, .blen = 0, } +}; + +static struct cipher_speed des3_ede_speed_template[] = { + { .klen = 24, .blen = 16, }, + { .klen = 24, .blen = 64, }, + { .klen = 24, .blen = 256, }, + { .klen = 24, .blen = 1024, }, + { .klen = 24, .blen = 8192, }, + + /* End marker */ + { .klen = 0, .blen = 0, } +}; + +static struct cipher_speed twofish_speed_template[] = { + { .klen = 16, .blen = 16, }, + { .klen = 16, .blen = 64, }, + { .klen = 16, .blen = 256, }, + { .klen = 16, .blen = 1024, }, + { .klen = 16, .blen = 8192, }, + { .klen = 24, .blen = 16, }, + { .klen = 24, .blen = 64, }, + { .klen = 24, .blen = 256, }, + { .klen = 24, .blen = 1024, }, + { .klen = 24, .blen = 8192, }, + { .klen = 32, .blen = 16, }, + { .klen = 32, .blen = 64, }, + { .klen = 32, .blen = 256, }, + { .klen = 32, .blen = 1024, }, + { .klen = 32, .blen = 8192, }, + + /* End marker */ + { .klen = 0, .blen = 0, } +}; + +static struct cipher_speed blowfish_speed_template[] = { + /* Don't support blowfish keys > 256 bit in this test */ + { .klen = 8, .blen = 16, }, + { .klen = 8, .blen = 64, }, + { .klen = 8, .blen = 256, }, + { .klen = 8, .blen = 1024, }, + { .klen = 8, .blen = 8192, }, + { .klen = 32, .blen = 16, }, + { .klen = 32, .blen = 64, }, + { .klen = 32, .blen = 256, }, + { .klen = 32, .blen = 1024, }, + { .klen = 32, .blen = 8192, }, + + /* End marker */ + { .klen = 0, .blen = 0, } +}; + +static struct cipher_speed des_speed_template[] = { + { .klen = 8, .blen = 16, }, + { .klen = 8, .blen = 64, }, + { .klen = 8, .blen = 256, }, + { .klen = 8, .blen = 1024, }, + { .klen = 8, .blen = 8192, }, + + /* End marker */ + { .klen = 0, .blen = 0, } +}; + #endif /* _CRYPTO_TCRYPT_H */ |