diff options
| -rw-r--r-- | crypto/tcrypt.c | 121 |
1 files changed, 82 insertions, 39 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 8eaa5aa..f0aed01 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -57,6 +57,11 @@ #define ENCRYPT 1 #define DECRYPT 0 +struct tcrypt_result { + struct completion completion; + int err; +}; + static unsigned int IDX[8] = { IDX1, IDX2, IDX3, IDX4, IDX5, IDX6, IDX7, IDX8 }; /* @@ -84,6 +89,17 @@ static void hexdump(unsigned char *buf, unsigned int len) printk("\n"); } +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 void test_hash(char *algo, struct hash_testvec *template, unsigned int tcount) { @@ -203,15 +219,14 @@ static void test_cipher(char *algo, int enc, { unsigned int ret, i, j, k, temp; unsigned int tsize; - unsigned int iv_len; - unsigned int len; char *q; - struct crypto_blkcipher *tfm; + struct crypto_ablkcipher *tfm; char *key; struct cipher_testvec *cipher_tv; - struct blkcipher_desc desc; + struct ablkcipher_request *req; struct scatterlist sg[8]; const char *e; + struct tcrypt_result result; if (enc == ENCRYPT) e = "encryption"; @@ -232,15 +247,24 @@ static void test_cipher(char *algo, int enc, memcpy(tvmem, template, tsize); cipher_tv = (void *)tvmem; - tfm = crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC); + init_completion(&result.completion); + + tfm = crypto_alloc_ablkcipher(algo, 0, 0); if (IS_ERR(tfm)) { printk("failed to load transform for %s: %ld\n", algo, PTR_ERR(tfm)); return; } - desc.tfm = tfm; - desc.flags = 0; + + req = ablkcipher_request_alloc(tfm, GFP_KERNEL); + if (!req) { + printk("failed to allocate request for %s\n", algo); + goto out; + } + + ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, + tcrypt_complete, &result); j = 0; for (i = 0; i < tcount; i++) { @@ -249,17 +273,17 @@ static void test_cipher(char *algo, int enc, printk("test %u (%d bit key):\n", j, cipher_tv[i].klen * 8); - crypto_blkcipher_clear_flags(tfm, ~0); + crypto_ablkcipher_clear_flags(tfm, ~0); if (cipher_tv[i].wk) - crypto_blkcipher_set_flags( + crypto_ablkcipher_set_flags( tfm, CRYPTO_TFM_REQ_WEAK_KEY); key = cipher_tv[i].key; - ret = crypto_blkcipher_setkey(tfm, key, - cipher_tv[i].klen); + ret = crypto_ablkcipher_setkey(tfm, key, + cipher_tv[i].klen); if (ret) { printk("setkey() failed flags=%x\n", - crypto_blkcipher_get_flags(tfm)); + crypto_ablkcipher_get_flags(tfm)); if (!cipher_tv[i].fail) goto out; @@ -268,19 +292,28 @@ static void test_cipher(char *algo, int enc, sg_set_buf(&sg[0], cipher_tv[i].input, cipher_tv[i].ilen); - iv_len = crypto_blkcipher_ivsize(tfm); - if (iv_len) - crypto_blkcipher_set_iv(tfm, cipher_tv[i].iv, - iv_len); + ablkcipher_request_set_crypt(req, sg, sg, + cipher_tv[i].ilen, + cipher_tv[i].iv); - len = cipher_tv[i].ilen; ret = enc ? - crypto_blkcipher_encrypt(&desc, sg, sg, len) : - crypto_blkcipher_decrypt(&desc, sg, sg, len); + crypto_ablkcipher_encrypt(req) : + crypto_ablkcipher_decrypt(req); - if (ret) { - printk("%s () failed flags=%x\n", e, - desc.flags); + switch (ret) { + case 0: + break; + case -EINPROGRESS: + case -EBUSY: + ret = wait_for_completion_interruptible( + &result.completion); + if (!ret && !((ret = result.err))) { + INIT_COMPLETION(result.completion); + break; + } + /* fall through */ + default: + printk("%s () failed err=%d\n", e, -ret); goto out; } @@ -303,17 +336,17 @@ static void test_cipher(char *algo, int enc, printk("test %u (%d bit key):\n", j, cipher_tv[i].klen * 8); - crypto_blkcipher_clear_flags(tfm, ~0); + crypto_ablkcipher_clear_flags(tfm, ~0); if (cipher_tv[i].wk) - crypto_blkcipher_set_flags( + crypto_ablkcipher_set_flags( tfm, CRYPTO_TFM_REQ_WEAK_KEY); key = cipher_tv[i].key; - ret = crypto_blkcipher_setkey(tfm, key, - cipher_tv[i].klen); + ret = crypto_ablkcipher_setkey(tfm, key, + cipher_tv[i].klen); if (ret) { printk("setkey() failed flags=%x\n", - crypto_blkcipher_get_flags(tfm)); + crypto_ablkcipher_get_flags(tfm)); if (!cipher_tv[i].fail) goto out; @@ -329,19 +362,28 @@ static void test_cipher(char *algo, int enc, cipher_tv[i].tap[k]); } - iv_len = crypto_blkcipher_ivsize(tfm); - if (iv_len) - crypto_blkcipher_set_iv(tfm, cipher_tv[i].iv, - iv_len); + ablkcipher_request_set_crypt(req, sg, sg, + cipher_tv[i].ilen, + cipher_tv[i].iv); - len = cipher_tv[i].ilen; ret = enc ? - crypto_blkcipher_encrypt(&desc, sg, sg, len) : - crypto_blkcipher_decrypt(&desc, sg, sg, len); + crypto_ablkcipher_encrypt(req) : + crypto_ablkcipher_decrypt(req); - if (ret) { - printk("%s () failed flags=%x\n", e, - desc.flags); + switch (ret) { + case 0: + break; + case -EINPROGRESS: + case -EBUSY: + ret = wait_for_completion_interruptible( + &result.completion); + if (!ret && !((ret = result.err))) { + INIT_COMPLETION(result.completion); + break; + } + /* fall through */ + default: + printk("%s () failed err=%d\n", e, -ret); goto out; } @@ -360,7 +402,8 @@ static void test_cipher(char *algo, int enc, } out: - crypto_free_blkcipher(tfm); + crypto_free_ablkcipher(tfm); + ablkcipher_request_free(req); } static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc, char *p, @@ -832,7 +875,7 @@ static void test_available(void) while (*name) { printk("alg %s ", *name); - printk(crypto_has_alg(*name, 0, CRYPTO_ALG_ASYNC) ? + printk(crypto_has_alg(*name, 0, 0) ? "found\n" : "not found\n"); name++; } |