diff options
| -rw-r--r-- | crypto/tcrypt.c | 346 |
1 files changed, 181 insertions, 165 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 6b8315b..30e75d4 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -113,23 +113,11 @@ static void test_hash(char *algo, struct hash_testvec *template, char result[64]; struct crypto_hash *tfm; struct hash_desc desc; - struct hash_testvec *hash_tv; - unsigned int tsize; int ret; + void *hash_buff; printk("\ntesting %s\n", algo); - tsize = sizeof(struct hash_testvec); - tsize *= tcount; - - if (tsize > TVMEMSIZE) { - printk("template (%u) too big for tvmem (%u)\n", tsize, TVMEMSIZE); - return; - } - - memcpy(tvmem, template, tsize); - hash_tv = (void *)tvmem; - tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) { printk("failed to load transform for %s: %ld\n", algo, @@ -144,28 +132,36 @@ static void test_hash(char *algo, struct hash_testvec *template, printk("test %u:\n", i + 1); memset(result, 0, 64); - sg_init_one(&sg[0], hash_tv[i].plaintext, hash_tv[i].psize); + hash_buff = kzalloc(template[i].psize, GFP_KERNEL); + if (!hash_buff) + continue; - if (hash_tv[i].ksize) { - ret = crypto_hash_setkey(tfm, hash_tv[i].key, - hash_tv[i].ksize); + memcpy(hash_buff, template[i].plaintext, template[i].psize); + sg_init_one(&sg[0], hash_buff, template[i].psize); + + if (template[i].ksize) { + ret = crypto_hash_setkey(tfm, template[i].key, + template[i].ksize); if (ret) { printk("setkey() failed ret=%d\n", ret); + kfree(hash_buff); goto out; } } - ret = crypto_hash_digest(&desc, sg, hash_tv[i].psize, result); + ret = crypto_hash_digest(&desc, sg, template[i].psize, result); if (ret) { printk("digest () failed ret=%d\n", ret); + kfree(hash_buff); goto out; } hexdump(result, crypto_hash_digestsize(tfm)); printk("%s\n", - memcmp(result, hash_tv[i].digest, + memcmp(result, template[i].digest, crypto_hash_digestsize(tfm)) ? "fail" : "pass"); + kfree(hash_buff); } printk("testing %s across pages\n", algo); @@ -175,25 +171,25 @@ static void test_hash(char *algo, struct hash_testvec *template, j = 0; for (i = 0; i < tcount; i++) { - if (hash_tv[i].np) { + if (template[i].np) { j++; printk("test %u:\n", j); memset(result, 0, 64); temp = 0; - sg_init_table(sg, hash_tv[i].np); - for (k = 0; k < hash_tv[i].np; k++) { + sg_init_table(sg, template[i].np); + for (k = 0; k < template[i].np; k++) { memcpy(&xbuf[IDX[k]], - hash_tv[i].plaintext + temp, - hash_tv[i].tap[k]); - temp += hash_tv[i].tap[k]; + template[i].plaintext + temp, + template[i].tap[k]); + temp += template[i].tap[k]; sg_set_buf(&sg[k], &xbuf[IDX[k]], - hash_tv[i].tap[k]); + template[i].tap[k]); } - if (hash_tv[i].ksize) { - ret = crypto_hash_setkey(tfm, hash_tv[i].key, - hash_tv[i].ksize); + if (template[i].ksize) { + ret = crypto_hash_setkey(tfm, template[i].key, + template[i].ksize); if (ret) { printk("setkey() failed ret=%d\n", ret); @@ -201,7 +197,7 @@ static void test_hash(char *algo, struct hash_testvec *template, } } - ret = crypto_hash_digest(&desc, sg, hash_tv[i].psize, + ret = crypto_hash_digest(&desc, sg, template[i].psize, result); if (ret) { printk("digest () failed ret=%d\n", ret); @@ -210,7 +206,7 @@ static void test_hash(char *algo, struct hash_testvec *template, hexdump(result, crypto_hash_digestsize(tfm)); printk("%s\n", - memcmp(result, hash_tv[i].digest, + memcmp(result, template[i].digest, crypto_hash_digestsize(tfm)) ? "fail" : "pass"); } @@ -224,17 +220,18 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template, unsigned int tcount) { unsigned int ret, i, j, k, temp; - unsigned int tsize; char *q; struct crypto_aead *tfm; char *key; - struct aead_testvec *aead_tv; struct aead_request *req; struct scatterlist sg[8]; struct scatterlist asg[8]; const char *e; struct tcrypt_result result; unsigned int authsize; + void *input; + void *assoc; + char iv[MAX_IVLEN]; if (enc == ENCRYPT) e = "encryption"; @@ -243,18 +240,6 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template, printk(KERN_INFO "\ntesting %s %s\n", algo, e); - tsize = sizeof(struct aead_testvec); - tsize *= tcount; - - if (tsize > TVMEMSIZE) { - printk(KERN_INFO "template (%u) too big for tvmem (%u)\n", - tsize, TVMEMSIZE); - return; - } - - memcpy(tvmem, template, tsize); - aead_tv = (void *)tvmem; - init_completion(&result.completion); tfm = crypto_alloc_aead(algo, 0, 0); @@ -275,46 +260,68 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template, tcrypt_complete, &result); for (i = 0, j = 0; i < tcount; i++) { - if (!aead_tv[i].np) { + if (!template[i].np) { printk(KERN_INFO "test %u (%d bit key):\n", - ++j, aead_tv[i].klen * 8); + ++j, template[i].klen * 8); + + /* some tepmplates have no input data but they will + * touch input + */ + input = kzalloc(template[i].ilen + template[i].rlen, GFP_KERNEL); + if (!input) + continue; + + assoc = kzalloc(template[i].alen, GFP_KERNEL); + if (!assoc) { + kfree(input); + continue; + } + + memcpy(input, template[i].input, template[i].ilen); + memcpy(assoc, template[i].assoc, template[i].alen); + if (template[i].iv) + memcpy(iv, template[i].iv, MAX_IVLEN); + else + memset(iv, 0, MAX_IVLEN); crypto_aead_clear_flags(tfm, ~0); - if (aead_tv[i].wk) + if (template[i].wk) crypto_aead_set_flags( tfm, CRYPTO_TFM_REQ_WEAK_KEY); - key = aead_tv[i].key; + + if (template[i].key) + key = template[i].key; + else + key = kzalloc(template[i].klen, GFP_KERNEL); ret = crypto_aead_setkey(tfm, key, - aead_tv[i].klen); + template[i].klen); if (ret) { printk(KERN_INFO "setkey() failed flags=%x\n", crypto_aead_get_flags(tfm)); - if (!aead_tv[i].fail) - goto out; + if (!template[i].fail) + goto next_one; } - authsize = abs(aead_tv[i].rlen - aead_tv[i].ilen); + authsize = abs(template[i].rlen - template[i].ilen); ret = crypto_aead_setauthsize(tfm, authsize); if (ret) { printk(KERN_INFO "failed to set authsize = %u\n", authsize); - goto out; + goto next_one; } - sg_init_one(&sg[0], aead_tv[i].input, - aead_tv[i].ilen + (enc ? authsize : 0)); + sg_init_one(&sg[0], input, + template[i].ilen + (enc ? authsize : 0)); - sg_init_one(&asg[0], aead_tv[i].assoc, - aead_tv[i].alen); + sg_init_one(&asg[0], assoc, template[i].alen); aead_request_set_crypt(req, sg, sg, - aead_tv[i].ilen, - aead_tv[i].iv); + template[i].ilen, iv); - aead_request_set_assoc(req, asg, aead_tv[i].alen); + aead_request_set_assoc(req, asg, template[i].alen); ret = enc ? crypto_aead_encrypt(req) : @@ -335,15 +342,21 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template, default: printk(KERN_INFO "%s () failed err=%d\n", e, -ret); - goto out; + goto next_one; } q = kmap(sg_page(&sg[0])) + sg[0].offset; - hexdump(q, aead_tv[i].rlen); + hexdump(q, template[i].rlen); printk(KERN_INFO "enc/dec: %s\n", - memcmp(q, aead_tv[i].result, - aead_tv[i].rlen) ? "fail" : "pass"); + memcmp(q, template[i].result, + template[i].rlen) ? "fail" : "pass"); + kunmap(sg_page(&sg[0])); +next_one: + if (!template[i].key) + kfree(key); + kfree(assoc); + kfree(input); } } @@ -352,36 +365,41 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template, memset(axbuf, 0, XBUFSIZE); for (i = 0, j = 0; i < tcount; i++) { - if (aead_tv[i].np) { + if (template[i].np) { printk(KERN_INFO "test %u (%d bit key):\n", - ++j, aead_tv[i].klen * 8); + ++j, template[i].klen * 8); + + if (template[i].iv) + memcpy(iv, template[i].iv, MAX_IVLEN); + else + memset(iv, 0, MAX_IVLEN); crypto_aead_clear_flags(tfm, ~0); - if (aead_tv[i].wk) + if (template[i].wk) crypto_aead_set_flags( tfm, CRYPTO_TFM_REQ_WEAK_KEY); - key = aead_tv[i].key; + key = template[i].key; - ret = crypto_aead_setkey(tfm, key, aead_tv[i].klen); + ret = crypto_aead_setkey(tfm, key, template[i].klen); if (ret) { printk(KERN_INFO "setkey() failed flags=%x\n", crypto_aead_get_flags(tfm)); - if (!aead_tv[i].fail) + if (!template[i].fail) goto out; } - sg_init_table(sg, aead_tv[i].np); - for (k = 0, temp = 0; k < aead_tv[i].np; k++) { + sg_init_table(sg, template[i].np); + for (k = 0, temp = 0; k < template[i].np; k++) { memcpy(&xbuf[IDX[k]], - aead_tv[i].input + temp, - aead_tv[i].tap[k]); - temp += aead_tv[i].tap[k]; + template[i].input + temp, + template[i].tap[k]); + temp += template[i].tap[k]; sg_set_buf(&sg[k], &xbuf[IDX[k]], - aead_tv[i].tap[k]); + template[i].tap[k]); } - authsize = abs(aead_tv[i].rlen - aead_tv[i].ilen); + authsize = abs(template[i].rlen - template[i].ilen); ret = crypto_aead_setauthsize(tfm, authsize); if (ret) { printk(KERN_INFO @@ -393,21 +411,21 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template, if (enc) sg[k - 1].length += authsize; - sg_init_table(asg, aead_tv[i].anp); - for (k = 0, temp = 0; k < aead_tv[i].anp; k++) { + sg_init_table(asg, template[i].anp); + for (k = 0, temp = 0; k < template[i].anp; k++) { memcpy(&axbuf[IDX[k]], - aead_tv[i].assoc + temp, - aead_tv[i].atap[k]); - temp += aead_tv[i].atap[k]; + template[i].assoc + temp, + template[i].atap[k]); + temp += template[i].atap[k]; sg_set_buf(&asg[k], &axbuf[IDX[k]], - aead_tv[i].atap[k]); + template[i].atap[k]); } aead_request_set_crypt(req, sg, sg, - aead_tv[i].ilen, - aead_tv[i].iv); + template[i].ilen, + iv); - aead_request_set_assoc(req, asg, aead_tv[i].alen); + aead_request_set_assoc(req, asg, template[i].alen); ret = enc ? crypto_aead_encrypt(req) : @@ -431,18 +449,19 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template, goto out; } - for (k = 0, temp = 0; k < aead_tv[i].np; k++) { + for (k = 0, temp = 0; k < template[i].np; k++) { printk(KERN_INFO "page %u\n", k); q = kmap(sg_page(&sg[k])) + sg[k].offset; - hexdump(q, aead_tv[i].tap[k]); + hexdump(q, template[i].tap[k]); printk(KERN_INFO "%s\n", - memcmp(q, aead_tv[i].result + temp, - aead_tv[i].tap[k] - - (k < aead_tv[i].np - 1 || enc ? + memcmp(q, template[i].result + temp, + template[i].tap[k] - + (k < template[i].np - 1 || enc ? 0 : authsize)) ? "fail" : "pass"); - temp += aead_tv[i].tap[k]; + temp += template[i].tap[k]; + kunmap(sg_page(&sg[k])); } } } @@ -456,15 +475,14 @@ static void test_cipher(char *algo, int enc, struct cipher_testvec *template, unsigned int tcount) { unsigned int ret, i, j, k, temp; - unsigned int tsize; char *q; struct crypto_ablkcipher *tfm; - char *key; - struct cipher_testvec *cipher_tv; struct ablkcipher_request *req; struct scatterlist sg[8]; const char *e; struct tcrypt_result result; + void *data; + char iv[MAX_IVLEN]; if (enc == ENCRYPT) e = "encryption"; @@ -473,16 +491,7 @@ static void test_cipher(char *algo, int enc, printk("\ntesting %s %s\n", algo, e); - tsize = sizeof (struct cipher_testvec); - if (tsize > TVMEMSIZE) { - printk("template (%u) too big for tvmem (%u)\n", tsize, - TVMEMSIZE); - return; - } - cipher_tv = (void *)tvmem; - init_completion(&result.completion); - tfm = crypto_alloc_ablkcipher(algo, 0, 0); if (IS_ERR(tfm)) { @@ -502,35 +511,43 @@ static void test_cipher(char *algo, int enc, j = 0; for (i = 0; i < tcount; i++) { - memcpy(cipher_tv, &template[i], tsize); - if (!(cipher_tv->np)) { + + data = kzalloc(template[i].ilen, GFP_KERNEL); + if (!data) + continue; + + memcpy(data, template[i].input, template[i].ilen); + if (template[i].iv) + memcpy(iv, template[i].iv, MAX_IVLEN); + else + memset(iv, 0, MAX_IVLEN); + + if (!(template[i].np)) { j++; printk("test %u (%d bit key):\n", - j, cipher_tv->klen * 8); + j, template[i].klen * 8); crypto_ablkcipher_clear_flags(tfm, ~0); - if (cipher_tv->wk) + if (template[i].wk) crypto_ablkcipher_set_flags( tfm, CRYPTO_TFM_REQ_WEAK_KEY); - key = cipher_tv->key; - ret = crypto_ablkcipher_setkey(tfm, key, - cipher_tv->klen); + ret = crypto_ablkcipher_setkey(tfm, template[i].key, + template[i].klen); if (ret) { printk("setkey() failed flags=%x\n", crypto_ablkcipher_get_flags(tfm)); - if (!cipher_tv->fail) + if (!template[i].fail) { + kfree(data); goto out; + } } - sg_init_one(&sg[0], cipher_tv->input, - cipher_tv->ilen); + sg_init_one(&sg[0], data, template[i].ilen); ablkcipher_request_set_crypt(req, sg, sg, - cipher_tv->ilen, - cipher_tv->iv); - + template[i].ilen, iv); ret = enc ? crypto_ablkcipher_encrypt(req) : crypto_ablkcipher_decrypt(req); @@ -549,16 +566,19 @@ static void test_cipher(char *algo, int enc, /* fall through */ default: printk("%s () failed err=%d\n", e, -ret); + kfree(data); goto out; } q = kmap(sg_page(&sg[0])) + sg[0].offset; - hexdump(q, cipher_tv->rlen); + hexdump(q, template[i].rlen); printk("%s\n", - memcmp(q, cipher_tv->result, - cipher_tv->rlen) ? "fail" : "pass"); + memcmp(q, template[i].result, + template[i].rlen) ? "fail" : "pass"); + kunmap(sg_page(&sg[0])); } + kfree(data); } printk("\ntesting %s %s across pages (chunking)\n", algo, e); @@ -566,42 +586,53 @@ static void test_cipher(char *algo, int enc, j = 0; for (i = 0; i < tcount; i++) { - memcpy(cipher_tv, &template[i], tsize); - if (cipher_tv->np) { + + data = kzalloc(template[i].ilen, GFP_KERNEL); + if (!data) + continue; + + memcpy(data, template[i].input, template[i].ilen); + + if (template[i].iv) + memcpy(iv, template[i].iv, MAX_IVLEN); + else + memset(iv, 0, MAX_IVLEN); + + if (template[i].np) { j++; printk("test %u (%d bit key):\n", - j, cipher_tv->klen * 8); + j, template[i].klen * 8); crypto_ablkcipher_clear_flags(tfm, ~0); - if (cipher_tv->wk) + if (template[i].wk) crypto_ablkcipher_set_flags( tfm, CRYPTO_TFM_REQ_WEAK_KEY); - key = cipher_tv->key; - ret = crypto_ablkcipher_setkey(tfm, key, - cipher_tv->klen); + ret = crypto_ablkcipher_setkey(tfm, template[i].key, + template[i].klen); if (ret) { printk("setkey() failed flags=%x\n", - crypto_ablkcipher_get_flags(tfm)); + crypto_ablkcipher_get_flags(tfm)); - if (!cipher_tv->fail) + if (!template[i].fail) { + kfree(data); goto out; + } } temp = 0; - sg_init_table(sg, cipher_tv->np); - for (k = 0; k < cipher_tv->np; k++) { + sg_init_table(sg, template[i].np); + for (k = 0; k < template[i].np; k++) { memcpy(&xbuf[IDX[k]], - cipher_tv->input + temp, - cipher_tv->tap[k]); - temp += cipher_tv->tap[k]; + template[i].input + temp, + template[i].tap[k]); + temp += template[i].tap[k]; sg_set_buf(&sg[k], &xbuf[IDX[k]], - cipher_tv->tap[k]); + template[i].tap[k]); } ablkcipher_request_set_crypt(req, sg, sg, - cipher_tv->ilen, - cipher_tv->iv); + template[i].ilen, iv); ret = enc ? crypto_ablkcipher_encrypt(req) : @@ -625,19 +656,19 @@ static void test_cipher(char *algo, int enc, } temp = 0; - for (k = 0; k < cipher_tv->np; k++) { + for (k = 0; k < template[i].np; k++) { printk("page %u\n", k); q = kmap(sg_page(&sg[k])) + sg[k].offset; - hexdump(q, cipher_tv->tap[k]); + hexdump(q, template[i].tap[k]); printk("%s\n", - memcmp(q, cipher_tv->result + temp, - cipher_tv->tap[k]) ? "fail" : + memcmp(q, template[i].result + temp, + template[i].tap[k]) ? "fail" : "pass"); - temp += cipher_tv->tap[k]; + temp += template[i].tap[k]; + kunmap(sg_page(&sg[k])); } } } - out: crypto_free_ablkcipher(tfm); ablkcipher_request_free(req); @@ -1052,22 +1083,10 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate, unsigned int i; char result[COMP_BUF_SIZE]; struct crypto_comp *tfm; - struct comp_testvec *tv; unsigned int tsize; printk("\ntesting %s compression\n", algo); - tsize = sizeof(struct comp_testvec); - tsize *= ctcount; - if (tsize > TVMEMSIZE) { - printk("template (%u) too big for tvmem (%u)\n", tsize, - TVMEMSIZE); - return; - } - - memcpy(tvmem, ctemplate, tsize); - tv = (void *)tvmem; - tfm = crypto_alloc_comp(algo, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) { printk("failed to load transform for %s\n", algo); @@ -1080,8 +1099,8 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate, printk("test %u:\n", i + 1); memset(result, 0, sizeof (result)); - ilen = tv[i].inlen; - ret = crypto_comp_compress(tfm, tv[i].input, + ilen = ctemplate[i].inlen; + ret = crypto_comp_compress(tfm, ctemplate[i].input, ilen, result, &dlen); if (ret) { printk("fail: ret=%d\n", ret); @@ -1089,7 +1108,7 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate, } hexdump(result, dlen); printk("%s (ratio %d:%d)\n", - memcmp(result, tv[i].output, dlen) ? "fail" : "pass", + memcmp(result, ctemplate[i].output, dlen) ? "fail" : "pass", ilen, dlen); } @@ -1103,17 +1122,14 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate, goto out; } - memcpy(tvmem, dtemplate, tsize); - tv = (void *)tvmem; - for (i = 0; i < dtcount; i++) { int ilen, ret, dlen = COMP_BUF_SIZE; printk("test %u:\n", i + 1); memset(result, 0, sizeof (result)); - ilen = tv[i].inlen; - ret = crypto_comp_decompress(tfm, tv[i].input, + ilen = dtemplate[i].inlen; + ret = crypto_comp_decompress(tfm, dtemplate[i].input, ilen, result, &dlen); if (ret) { printk("fail: ret=%d\n", ret); @@ -1121,7 +1137,7 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate, } hexdump(result, dlen); printk("%s (ratio %d:%d)\n", - memcmp(result, tv[i].output, dlen) ? "fail" : "pass", + memcmp(result, dtemplate[i].output, dlen) ? "fail" : "pass", ilen, dlen); } out: |
