crypto: Add userspace report for ahash type algorithms
[linux-2.6.git] / crypto / tcrypt.c
index 0b7a843..fc35650 100644 (file)
@@ -8,6 +8,13 @@
  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
  * Copyright (c) 2007 Nokia Siemens Networks
  *
+ * Updated RFC4106 AES-GCM testing.
+ *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
+ *             Adrian Hoban <adrian.hoban@intel.com>
+ *             Gabriele Paoloni <gabriele.paoloni@intel.com>
+ *             Tadeusz Struk (tadeusz.struk@intel.com)
+ *             Copyright (c) 2010, Intel Corporation.
+ *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
  * Software Foundation; either version 2 of the License, or (at your option)
@@ -18,8 +25,8 @@
 #include <crypto/hash.h>
 #include <linux/err.h>
 #include <linux/init.h>
+#include <linux/gfp.h>
 #include <linux/module.h>
-#include <linux/slab.h>
 #include <linux/scatterlist.h>
 #include <linux/string.h>
 #include <linux/moduleparam.h>
@@ -139,7 +146,8 @@ static void test_cipher_speed(const char *algo, int enc, unsigned int sec,
                              unsigned int tcount, u8 *keysize)
 {
        unsigned int ret, i, j, iv_len;
-       const char *key, iv[128];
+       const char *key;
+       char iv[128];
        struct crypto_blkcipher *tfm;
        struct blkcipher_desc desc;
        const char *e;
@@ -394,6 +402,17 @@ out:
        return 0;
 }
 
+static void test_hash_sg_init(struct scatterlist *sg)
+{
+       int i;
+
+       sg_init_table(sg, TVMEMSIZE);
+       for (i = 0; i < TVMEMSIZE; i++) {
+               sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
+               memset(tvmem[i], 0xff, PAGE_SIZE);
+       }
+}
+
 static void test_hash_speed(const char *algo, unsigned int sec,
                            struct hash_speed *speed)
 {
@@ -423,12 +442,7 @@ static void test_hash_speed(const char *algo, unsigned int sec,
                goto out;
        }
 
-       sg_init_table(sg, TVMEMSIZE);
-       for (i = 0; i < TVMEMSIZE; i++) {
-               sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
-               memset(tvmem[i], 0xff, PAGE_SIZE);
-       }
-
+       test_hash_sg_init(sg);
        for (i = 0; speed[i].blen != 0; i++) {
                if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
                        printk(KERN_ERR
@@ -461,6 +475,250 @@ out:
        crypto_free_hash(tfm);
 }
 
+struct tcrypt_result {
+       struct completion completion;
+       int err;
+};
+
+static void tcrypt_complete(struct crypto_async_request *req, int err)
+{
+       struct tcrypt_result *res = req->data;
+
+       if (err == -EINPROGRESS)
+               return;
+
+       res->err = err;
+       complete(&res->completion);
+}
+
+static inline int do_one_ahash_op(struct ahash_request *req, int ret)
+{
+       if (ret == -EINPROGRESS || ret == -EBUSY) {
+               struct tcrypt_result *tr = req->base.data;
+
+               ret = wait_for_completion_interruptible(&tr->completion);
+               if (!ret)
+                       ret = tr->err;
+               INIT_COMPLETION(tr->completion);
+       }
+       return ret;
+}
+
+static int test_ahash_jiffies_digest(struct ahash_request *req, int blen,
+                                    char *out, int sec)
+{
+       unsigned long start, end;
+       int bcount;
+       int ret;
+
+       for (start = jiffies, end = start + sec * HZ, bcount = 0;
+            time_before(jiffies, end); bcount++) {
+               ret = do_one_ahash_op(req, crypto_ahash_digest(req));
+               if (ret)
+                       return ret;
+       }
+
+       printk("%6u opers/sec, %9lu bytes/sec\n",
+              bcount / sec, ((long)bcount * blen) / sec);
+
+       return 0;
+}
+
+static int test_ahash_jiffies(struct ahash_request *req, int blen,
+                             int plen, char *out, int sec)
+{
+       unsigned long start, end;
+       int bcount, pcount;
+       int ret;
+
+       if (plen == blen)
+               return test_ahash_jiffies_digest(req, blen, out, sec);
+
+       for (start = jiffies, end = start + sec * HZ, bcount = 0;
+            time_before(jiffies, end); bcount++) {
+               ret = crypto_ahash_init(req);
+               if (ret)
+                       return ret;
+               for (pcount = 0; pcount < blen; pcount += plen) {
+                       ret = do_one_ahash_op(req, crypto_ahash_update(req));
+                       if (ret)
+                               return ret;
+               }
+               /* we assume there is enough space in 'out' for the result */
+               ret = do_one_ahash_op(req, crypto_ahash_final(req));
+               if (ret)
+                       return ret;
+       }
+
+       pr_cont("%6u opers/sec, %9lu bytes/sec\n",
+               bcount / sec, ((long)bcount * blen) / sec);
+
+       return 0;
+}
+
+static int test_ahash_cycles_digest(struct ahash_request *req, int blen,
+                                   char *out)
+{
+       unsigned long cycles = 0;
+       int ret, i;
+
+       /* Warm-up run. */
+       for (i = 0; i < 4; i++) {
+               ret = do_one_ahash_op(req, crypto_ahash_digest(req));
+               if (ret)
+                       goto out;
+       }
+
+       /* The real thing. */
+       for (i = 0; i < 8; i++) {
+               cycles_t start, end;
+
+               start = get_cycles();
+
+               ret = do_one_ahash_op(req, crypto_ahash_digest(req));
+               if (ret)
+                       goto out;
+
+               end = get_cycles();
+
+               cycles += end - start;
+       }
+
+out:
+       if (ret)
+               return ret;
+
+       pr_cont("%6lu cycles/operation, %4lu cycles/byte\n",
+               cycles / 8, cycles / (8 * blen));
+
+       return 0;
+}
+
+static int test_ahash_cycles(struct ahash_request *req, int blen,
+                            int plen, char *out)
+{
+       unsigned long cycles = 0;
+       int i, pcount, ret;
+
+       if (plen == blen)
+               return test_ahash_cycles_digest(req, blen, out);
+
+       /* Warm-up run. */
+       for (i = 0; i < 4; i++) {
+               ret = crypto_ahash_init(req);
+               if (ret)
+                       goto out;
+               for (pcount = 0; pcount < blen; pcount += plen) {
+                       ret = do_one_ahash_op(req, crypto_ahash_update(req));
+                       if (ret)
+                               goto out;
+               }
+               ret = do_one_ahash_op(req, crypto_ahash_final(req));
+               if (ret)
+                       goto out;
+       }
+
+       /* The real thing. */
+       for (i = 0; i < 8; i++) {
+               cycles_t start, end;
+
+               start = get_cycles();
+
+               ret = crypto_ahash_init(req);
+               if (ret)
+                       goto out;
+               for (pcount = 0; pcount < blen; pcount += plen) {
+                       ret = do_one_ahash_op(req, crypto_ahash_update(req));
+                       if (ret)
+                               goto out;
+               }
+               ret = do_one_ahash_op(req, crypto_ahash_final(req));
+               if (ret)
+                       goto out;
+
+               end = get_cycles();
+
+               cycles += end - start;
+       }
+
+out:
+       if (ret)
+               return ret;
+
+       pr_cont("%6lu cycles/operation, %4lu cycles/byte\n",
+               cycles / 8, cycles / (8 * blen));
+
+       return 0;
+}
+
+static void test_ahash_speed(const char *algo, unsigned int sec,
+                            struct hash_speed *speed)
+{
+       struct scatterlist sg[TVMEMSIZE];
+       struct tcrypt_result tresult;
+       struct ahash_request *req;
+       struct crypto_ahash *tfm;
+       static char output[1024];
+       int i, ret;
+
+       printk(KERN_INFO "\ntesting speed of async %s\n", algo);
+
+       tfm = crypto_alloc_ahash(algo, 0, 0);
+       if (IS_ERR(tfm)) {
+               pr_err("failed to load transform for %s: %ld\n",
+                      algo, PTR_ERR(tfm));
+               return;
+       }
+
+       if (crypto_ahash_digestsize(tfm) > sizeof(output)) {
+               pr_err("digestsize(%u) > outputbuffer(%zu)\n",
+                      crypto_ahash_digestsize(tfm), sizeof(output));
+               goto out;
+       }
+
+       test_hash_sg_init(sg);
+       req = ahash_request_alloc(tfm, GFP_KERNEL);
+       if (!req) {
+               pr_err("ahash request allocation failure\n");
+               goto out;
+       }
+
+       init_completion(&tresult.completion);
+       ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+                                  tcrypt_complete, &tresult);
+
+       for (i = 0; speed[i].blen != 0; i++) {
+               if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
+                       pr_err("template (%u) too big for tvmem (%lu)\n",
+                              speed[i].blen, TVMEMSIZE * PAGE_SIZE);
+                       break;
+               }
+
+               pr_info("test%3u "
+                       "(%5u byte blocks,%5u bytes per update,%4u updates): ",
+                       i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
+
+               ahash_request_set_crypt(req, sg, output, speed[i].plen);
+
+               if (sec)
+                       ret = test_ahash_jiffies(req, speed[i].blen,
+                                                speed[i].plen, output, sec);
+               else
+                       ret = test_ahash_cycles(req, speed[i].blen,
+                                               speed[i].plen, output);
+
+               if (ret) {
+                       pr_err("hashing failed ret=%d\n", ret);
+                       break;
+               }
+       }
+
+       ahash_request_free(req);
+
+out:
+       crypto_free_ahash(tfm);
+}
+
 static void test_available(void)
 {
        char **name = check;
@@ -730,6 +988,10 @@ static int do_test(int m)
                ret += tcrypt_test("ansi_cprng");
                break;
 
+       case 151:
+               ret += tcrypt_test("rfc4106(gcm(aes))");
+               break;
+
        case 200:
                test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
                                speed_template_16_24_32);
@@ -747,6 +1009,10 @@ static int do_test(int m)
                                speed_template_32_48_64);
                test_cipher_speed("xts(aes)", DECRYPT, sec, NULL, 0,
                                speed_template_32_48_64);
+               test_cipher_speed("ctr(aes)", ENCRYPT, sec, NULL, 0,
+                               speed_template_16_24_32);
+               test_cipher_speed("ctr(aes)", DECRYPT, sec, NULL, 0,
+                               speed_template_16_24_32);
                break;
 
        case 201:
@@ -773,6 +1039,10 @@ static int do_test(int m)
                                speed_template_16_24_32);
                test_cipher_speed("cbc(twofish)", DECRYPT, sec, NULL, 0,
                                speed_template_16_24_32);
+               test_cipher_speed("ctr(twofish)", ENCRYPT, sec, NULL, 0,
+                               speed_template_16_24_32);
+               test_cipher_speed("ctr(twofish)", DECRYPT, sec, NULL, 0,
+                               speed_template_16_24_32);
                break;
 
        case 203:
@@ -784,6 +1054,10 @@ static int do_test(int m)
                                  speed_template_8_32);
                test_cipher_speed("cbc(blowfish)", DECRYPT, sec, NULL, 0,
                                  speed_template_8_32);
+               test_cipher_speed("ctr(blowfish)", ENCRYPT, sec, NULL, 0,
+                                 speed_template_8_32);
+               test_cipher_speed("ctr(blowfish)", DECRYPT, sec, NULL, 0,
+                                 speed_template_8_32);
                break;
 
        case 204:
@@ -891,6 +1165,80 @@ static int do_test(int m)
        case 399:
                break;
 
+       case 400:
+               /* fall through */
+
+       case 401:
+               test_ahash_speed("md4", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 402:
+               test_ahash_speed("md5", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 403:
+               test_ahash_speed("sha1", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 404:
+               test_ahash_speed("sha256", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 405:
+               test_ahash_speed("sha384", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 406:
+               test_ahash_speed("sha512", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 407:
+               test_ahash_speed("wp256", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 408:
+               test_ahash_speed("wp384", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 409:
+               test_ahash_speed("wp512", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 410:
+               test_ahash_speed("tgr128", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 411:
+               test_ahash_speed("tgr160", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 412:
+               test_ahash_speed("tgr192", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 413:
+               test_ahash_speed("sha224", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 414:
+               test_ahash_speed("rmd128", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 415:
+               test_ahash_speed("rmd160", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 416:
+               test_ahash_speed("rmd256", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 417:
+               test_ahash_speed("rmd320", sec, generic_hash_speed_template);
+               if (mode > 400 && mode < 500) break;
+
+       case 499:
+               break;
+
        case 1000:
                test_available();
                break;