diff options
| -rw-r--r-- | crypto/tcrypt.c | 241 |
1 files changed, 44 insertions, 197 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 8a91dc34610e..68064fc9c8ee 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -24,6 +24,7 @@ #include <crypto/aead.h> #include <crypto/hash.h> +#include <crypto/skcipher.h> #include <linux/err.h> #include <linux/fips.h> #include <linux/init.h> @@ -92,76 +93,6 @@ static void tcrypt_complete(struct crypto_async_request *req, int err) complete(&res->completion); } -static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc, - struct scatterlist *sg, int blen, int secs) -{ - unsigned long start, end; - int bcount; - int ret; - - for (start = jiffies, end = start + secs * HZ, bcount = 0; - time_before(jiffies, end); bcount++) { - if (enc) - ret = crypto_blkcipher_encrypt(desc, sg, sg, blen); - else - ret = crypto_blkcipher_decrypt(desc, sg, sg, blen); - - if (ret) - return ret; - } - - printk("%d operations in %d seconds (%ld bytes)\n", - bcount, secs, (long)bcount * blen); - return 0; -} - -static int test_cipher_cycles(struct blkcipher_desc *desc, int enc, - struct scatterlist *sg, int blen) -{ - unsigned long cycles = 0; - int ret = 0; - int i; - - local_irq_disable(); - - /* Warm-up run. */ - for (i = 0; i < 4; i++) { - if (enc) - ret = crypto_blkcipher_encrypt(desc, sg, sg, blen); - else - ret = crypto_blkcipher_decrypt(desc, sg, sg, blen); - - if (ret) - goto out; - } - - /* The real thing. */ - for (i = 0; i < 8; i++) { - cycles_t start, end; - - start = get_cycles(); - if (enc) - ret = crypto_blkcipher_encrypt(desc, sg, sg, blen); - else - ret = crypto_blkcipher_decrypt(desc, sg, sg, blen); - end = get_cycles(); - - if (ret) - goto out; - - cycles += end - start; - } - -out: - local_irq_enable(); - - if (ret == 0) - printk("1 operation in %lu cycles (%d bytes)\n", - (cycles + 4) / 8, blen); - - return ret; -} - static inline int do_one_aead_op(struct aead_request *req, int ret) { if (ret == -EINPROGRESS || ret == -EBUSY) { @@ -455,106 +386,6 @@ out_noxbuf: return; } -static void test_cipher_speed(const char *algo, int enc, unsigned int secs, - struct cipher_speed_template *template, - unsigned int tcount, u8 *keysize) -{ - unsigned int ret, i, j, iv_len; - const char *key; - char iv[128]; - struct crypto_blkcipher *tfm; - struct blkcipher_desc desc; - const char *e; - u32 *b_size; - - if (enc == ENCRYPT) - e = "encryption"; - else - e = "decryption"; - - tfm = crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC); - - if (IS_ERR(tfm)) { - printk("failed to load transform for %s: %ld\n", algo, - PTR_ERR(tfm)); - return; - } - desc.tfm = tfm; - desc.flags = 0; - - printk(KERN_INFO "\ntesting speed of %s (%s) %s\n", algo, - get_driver_name(crypto_blkcipher, tfm), e); - - i = 0; - do { - - b_size = block_sizes; - do { - struct scatterlist sg[TVMEMSIZE]; - - if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) { - printk("template (%u) too big for " - "tvmem (%lu)\n", *keysize + *b_size, - TVMEMSIZE * PAGE_SIZE); - goto out; - } - - printk("test %u (%d bit key, %d byte blocks): ", i, - *keysize * 8, *b_size); - - memset(tvmem[0], 0xff, PAGE_SIZE); - - /* set key, plain text and IV */ - key = tvmem[0]; - for (j = 0; j < tcount; j++) { - if (template[j].klen == *keysize) { - key = template[j].key; - break; - } - } - - ret = crypto_blkcipher_setkey(tfm, key, *keysize); - if (ret) { - printk("setkey() failed flags=%x\n", - crypto_blkcipher_get_flags(tfm)); - goto out; - } - - sg_init_table(sg, TVMEMSIZE); - sg_set_buf(sg, tvmem[0] + *keysize, - PAGE_SIZE - *keysize); - for (j = 1; j < TVMEMSIZE; j++) { - sg_set_buf(sg + j, tvmem[j], PAGE_SIZE); - memset (tvmem[j], 0xff, PAGE_SIZE); - } - - iv_len = crypto_blkcipher_ivsize(tfm); - if (iv_len) { - memset(&iv, 0xff, iv_len); - crypto_blkcipher_set_iv(tfm, iv, iv_len); - } - - if (secs) - ret = test_cipher_jiffies(&desc, enc, sg, - *b_size, secs); - else - ret = test_cipher_cycles(&desc, enc, sg, - *b_size); - - if (ret) { - printk("%s() failed flags=%x\n", e, desc.flags); - break; - } - b_size++; - i++; - } while (*b_size); - keysize++; - } while (*keysize); - -out: - crypto_free_blkcipher(tfm); -} - static void test_hash_sg_init(struct scatterlist *sg) { int i; @@ -932,7 +763,7 @@ static void test_hash_speed(const char *algo, unsigned int secs, return test_ahash_speed_common(algo, secs, speed, CRYPTO_ALG_ASYNC); } -static inline int do_one_acipher_op(struct ablkcipher_request *req, int ret) +static inline int do_one_acipher_op(struct skcipher_request *req, int ret) { if (ret == -EINPROGRESS || ret == -EBUSY) { struct tcrypt_result *tr = req->base.data; @@ -945,7 +776,7 @@ static inline int do_one_acipher_op(struct ablkcipher_request *req, int ret) return ret; } -static int test_acipher_jiffies(struct ablkcipher_request *req, int enc, +static int test_acipher_jiffies(struct skcipher_request *req, int enc, int blen, int secs) { unsigned long start, end; @@ -956,10 +787,10 @@ static int test_acipher_jiffies(struct ablkcipher_request *req, int enc, time_before(jiffies, end); bcount++) { if (enc) ret = do_one_acipher_op(req, - crypto_ablkcipher_encrypt(req)); + crypto_skcipher_encrypt(req)); else ret = do_one_acipher_op(req, - crypto_ablkcipher_decrypt(req)); + crypto_skcipher_decrypt(req)); if (ret) return ret; @@ -970,7 +801,7 @@ static int test_acipher_jiffies(struct ablkcipher_request *req, int enc, return 0; } -static int test_acipher_cycles(struct ablkcipher_request *req, int enc, +static int test_acipher_cycles(struct skcipher_request *req, int enc, int blen) { unsigned long cycles = 0; @@ -981,10 +812,10 @@ static int test_acipher_cycles(struct ablkcipher_request *req, int enc, for (i = 0; i < 4; i++) { if (enc) ret = do_one_acipher_op(req, - crypto_ablkcipher_encrypt(req)); + crypto_skcipher_encrypt(req)); else ret = do_one_acipher_op(req, - crypto_ablkcipher_decrypt(req)); + crypto_skcipher_decrypt(req)); if (ret) goto out; @@ -997,10 +828,10 @@ static int test_acipher_cycles(struct ablkcipher_request *req, int enc, start = get_cycles(); if (enc) ret = do_one_acipher_op(req, - crypto_ablkcipher_encrypt(req)); + crypto_skcipher_encrypt(req)); else ret = do_one_acipher_op(req, - crypto_ablkcipher_decrypt(req)); + crypto_skcipher_decrypt(req)); end = get_cycles(); if (ret) @@ -1017,16 +848,16 @@ out: return ret; } -static void test_acipher_speed(const char *algo, int enc, unsigned int secs, - struct cipher_speed_template *template, - unsigned int tcount, u8 *keysize) +static void test_skcipher_speed(const char *algo, int enc, unsigned int secs, + struct cipher_speed_template *template, + unsigned int tcount, u8 *keysize, bool async) { unsigned int ret, i, j, k, iv_len; struct tcrypt_result tresult; const char *key; char iv[128]; - struct ablkcipher_request *req; - struct crypto_ablkcipher *tfm; + struct skcipher_request *req; + struct crypto_skcipher *tfm; const char *e; u32 *b_size; @@ -1037,7 +868,7 @@ static void test_acipher_speed(const char *algo, int enc, unsigned int secs, init_completion(&tresult.completion); - tfm = crypto_alloc_ablkcipher(algo, 0, 0); + tfm = crypto_alloc_skcipher(algo, 0, async ? 0 : CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) { pr_err("failed to load transform for %s: %ld\n", algo, @@ -1046,17 +877,17 @@ static void test_acipher_speed(const char *algo, int enc, unsigned int secs, } pr_info("\ntesting speed of async %s (%s) %s\n", algo, - get_driver_name(crypto_ablkcipher, tfm), e); + get_driver_name(crypto_skcipher, tfm), e); - req = ablkcipher_request_alloc(tfm, GFP_KERNEL); + req = skcipher_request_alloc(tfm, GFP_KERNEL); if (!req) { pr_err("tcrypt: skcipher: Failed to allocate request for %s\n", algo); goto out; } - ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, - tcrypt_complete, &tresult); + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, + tcrypt_complete, &tresult); i = 0; do { @@ -1086,12 +917,12 @@ static void test_acipher_speed(const char *algo, int enc, unsigned int secs, } } - crypto_ablkcipher_clear_flags(tfm, ~0); + crypto_skcipher_clear_flags(tfm, ~0); - ret = crypto_ablkcipher_setkey(tfm, key, *keysize); + ret = crypto_skcipher_setkey(tfm, key, *keysize); if (ret) { pr_err("setkey() failed flags=%x\n", - crypto_ablkcipher_get_flags(tfm)); + crypto_skcipher_get_flags(tfm)); goto out_free_req; } @@ -1115,11 +946,11 @@ static void test_acipher_speed(const char *algo, int enc, unsigned int secs, sg_set_buf(sg, tvmem[0] + *keysize, *b_size); } - iv_len = crypto_ablkcipher_ivsize(tfm); + iv_len = crypto_skcipher_ivsize(tfm); if (iv_len) memset(&iv, 0xff, iv_len); - ablkcipher_request_set_crypt(req, sg, sg, *b_size, iv); + skcipher_request_set_crypt(req, sg, sg, *b_size, iv); if (secs) ret = test_acipher_jiffies(req, enc, @@ -1130,7 +961,7 @@ static void test_acipher_speed(const char *algo, int enc, unsigned int secs, if (ret) { pr_err("%s() failed flags=%x\n", e, - crypto_ablkcipher_get_flags(tfm)); + crypto_skcipher_get_flags(tfm)); break; } b_size++; @@ -1140,9 +971,25 @@ static void test_acipher_speed(const char *algo, int enc, unsigned int secs, } while (*keysize); out_free_req: - ablkcipher_request_free(req); + skcipher_request_free(req); out: - crypto_free_ablkcipher(tfm); + crypto_free_skcipher(tfm); +} + +static void test_acipher_speed(const char *algo, int enc, unsigned int secs, + struct cipher_speed_template *template, + unsigned int tcount, u8 *keysize) +{ + return test_skcipher_speed(algo, enc, secs, template, tcount, keysize, + true); +} + +static void test_cipher_speed(const char *algo, int enc, unsigned int secs, + struct cipher_speed_template *template, + unsigned int tcount, u8 *keysize) +{ + return test_skcipher_speed(algo, enc, secs, template, tcount, keysize, + false); } static void test_available(void) |