diff options
-rw-r--r-- | cryptodev_int.h | 11 | ||||
-rw-r--r-- | cryptodev_main.c | 9 | ||||
-rw-r--r-- | examples/ncr.c | 50 | ||||
-rw-r--r-- | examples/pk.c | 11 | ||||
-rw-r--r-- | examples/speed.c | 106 | ||||
-rw-r--r-- | ncr-data.c | 225 | ||||
-rw-r--r-- | ncr-key-storage.c | 21 | ||||
-rw-r--r-- | ncr-key-wrap.c | 61 | ||||
-rw-r--r-- | ncr-key.c | 55 | ||||
-rw-r--r-- | ncr-pk.c | 209 | ||||
-rw-r--r-- | ncr-pk.h | 21 | ||||
-rw-r--r-- | ncr-sessions.c | 143 | ||||
-rw-r--r-- | ncr.h | 13 | ||||
-rw-r--r-- | ncr_int.h | 22 |
14 files changed, 187 insertions, 770 deletions
diff --git a/cryptodev_int.h b/cryptodev_int.h index d12fd4f80e7..a0d30731d40 100644 --- a/cryptodev_int.h +++ b/cryptodev_int.h @@ -24,17 +24,6 @@ extern int cryptodev_verbosity; -/* For zero copy */ -int __get_userbuf(uint8_t *addr, uint32_t len, int write, - int pgcount, struct page **pg, struct scatterlist *sg); -void release_user_pages(struct page **pg, int pagecount); - -/* last page - first page + 1 */ -#define PAGECOUNT(buf, buflen) \ - ((((unsigned long)(buf + buflen - 1) & PAGE_MASK) >> PAGE_SHIFT) - \ - (((unsigned long) buf & PAGE_MASK) >> PAGE_SHIFT) + 1) - - struct cipher_data { int init; /* 0 uninitialized */ diff --git a/cryptodev_main.c b/cryptodev_main.c index 2a0503c3154..0316a74dbb9 100644 --- a/cryptodev_main.c +++ b/cryptodev_main.c @@ -495,7 +495,7 @@ __crypto_run_std(struct csession *ses_ptr, struct crypt_op *cop) #ifndef DISABLE_ZCOPY -void release_user_pages(struct page **pg, int pagecount) +static void release_user_pages(struct page **pg, int pagecount) { while (pagecount--) { if (!PageReserved(pg[pagecount])) @@ -504,11 +504,16 @@ void release_user_pages(struct page **pg, int pagecount) } } +/* last page - first page + 1 */ +#define PAGECOUNT(buf, buflen) \ + ((((unsigned long)(buf + buflen - 1) & PAGE_MASK) >> PAGE_SHIFT) - \ + (((unsigned long) buf & PAGE_MASK) >> PAGE_SHIFT) + 1) + /* offset of buf in it's first page */ #define PAGEOFFSET(buf) ((unsigned long)buf & ~PAGE_MASK) /* fetch the pages addr resides in into pg and initialise sg with them */ -int __get_userbuf(uint8_t *addr, uint32_t len, int write, +static int __get_userbuf(uint8_t *addr, uint32_t len, int write, int pgcount, struct page **pg, struct scatterlist *sg) { int ret, pglen, i = 0; diff --git a/examples/ncr.c b/examples/ncr.c index d5d3e20c23f..69e699abd23 100644 --- a/examples/ncr.c +++ b/examples/ncr.c @@ -55,7 +55,6 @@ test_ncr_key(int cfd) dinit.flags = NCR_DATA_FLAG_EXPORTABLE; dinit.initial_data = data; dinit.initial_data_size = sizeof(data); - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -97,7 +96,6 @@ test_ncr_key(int cfd) dinit.flags = NCR_DATA_FLAG_EXPORTABLE; dinit.initial_data = NULL; dinit.initial_data_size = 0; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -116,10 +114,12 @@ test_ncr_key(int cfd) } /* now read data */ - memset(&kdata, 0, sizeof(kdata)); + memset(data, 0, sizeof(data)); + kdata.desc = dinit.desc; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -129,7 +129,7 @@ test_ncr_key(int cfd) if (memcmp(data, data_bak, sizeof(data))!=0) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - fprintf(stderr, "data returned but differ (%d, %d)!\n", (int)kdata.data_size, sizeof(data)); + fprintf(stderr, "data returned but differ!\n"); return 1; } @@ -179,6 +179,7 @@ test_ncr_key(int cfd) kdata.desc = dinit.desc; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -236,6 +237,7 @@ test_ncr_key(int cfd) kdata.desc = dinit.desc; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)==0) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -270,7 +272,6 @@ static int test_ncr_data(int cfd) init.flags = NCR_DATA_FLAG_EXPORTABLE; init.initial_data = data; init.initial_data_size = sizeof(data); - init.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &init)) { perror("ioctl(NCRIO_DATA_INIT)"); @@ -284,6 +285,7 @@ static int test_ncr_data(int cfd) kdata.desc = init.desc; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { perror("ioctl(NCRIO_DATA_GET)"); @@ -303,6 +305,7 @@ static int test_ncr_data(int cfd) kdata.desc = init.desc; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) { perror("ioctl(NCRIO_DATA_SET)"); @@ -315,6 +318,7 @@ static int test_ncr_data(int cfd) kdata.desc = init.desc; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { perror("ioctl(NCRIO_DATA_GET)"); @@ -341,7 +345,6 @@ static int test_ncr_data(int cfd) init.flags = 0; init.initial_data = data; init.initial_data_size = sizeof(data); - init.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &init)) { perror("ioctl(NCRIO_DATA_INIT)"); @@ -351,6 +354,7 @@ static int test_ncr_data(int cfd) kdata.desc = init.desc; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)==0) { fprintf(stderr, "Unexportable data were exported!?\n"); @@ -363,7 +367,6 @@ static int test_ncr_data(int cfd) init.flags = 0; init.initial_data = data; init.initial_data_size = sizeof(data); - init.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &init)) { //fprintf(stderr, "Reached maximum limit at: %d data items\n", i); @@ -401,7 +404,6 @@ test_ncr_wrap_key(int cfd) dinit.flags = NCR_DATA_FLAG_EXPORTABLE; dinit.initial_data = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"; dinit.initial_data_size = 16; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -436,10 +438,11 @@ test_ncr_wrap_key(int cfd) kdata.data = DKEY; kdata.data_size = 16; kdata.desc = dinit.desc; + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_DATA_SET)"); + perror("ioctl(NCRIO_DATA_INIT)"); return 1; } @@ -480,6 +483,7 @@ test_ncr_wrap_key(int cfd) kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -585,7 +589,6 @@ test_ncr_store_wrap_key(int cfd) memset(&dinit, 0, sizeof(dinit)); dinit.max_object_size = DATA_SIZE; dinit.flags = NCR_DATA_FLAG_EXPORTABLE; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -600,10 +603,11 @@ test_ncr_store_wrap_key(int cfd) kdata.data = DKEY; kdata.data_size = 16; kdata.desc = dd; + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_DATA_SET)"); + perror("ioctl(NCRIO_DATA_INIT)"); return 1; } @@ -746,7 +750,6 @@ test_ncr_aes(int cfd) dinit.flags = NCR_DATA_FLAG_EXPORTABLE; dinit.initial_data = NULL; dinit.initial_data_size = 0; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -785,10 +788,11 @@ test_ncr_aes(int cfd) kdata.data = (void*)aes_vectors[i].key; kdata.data_size = 16; kdata.desc = dd; + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_DATA_SET)"); + perror("ioctl(NCRIO_DATA_INIT)"); return 1; } @@ -804,10 +808,11 @@ test_ncr_aes(int cfd) kdata.data = (void*)aes_vectors[i].plaintext; kdata.data_size = 16; kdata.desc = dd; + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_DATA_SET)"); + perror("ioctl(NCRIO_DATA_INIT)"); return 1; } @@ -829,6 +834,7 @@ test_ncr_aes(int cfd) kdata.desc = dd2; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -859,10 +865,11 @@ test_ncr_aes(int cfd) kdata.data = (void*)aes_vectors[i].key; kdata.data_size = 16; kdata.desc = dd; + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_DATA_SET)"); + perror("ioctl(NCRIO_DATA_INIT)"); return 1; } @@ -879,10 +886,11 @@ test_ncr_aes(int cfd) kdata.data = (void*)aes_vectors[i].ciphertext; kdata.data_size = 16; kdata.desc = dd; + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_DATA_SET)"); + perror("ioctl(NCRIO_DATA_INIT)"); return 1; } @@ -904,6 +912,7 @@ test_ncr_aes(int cfd) kdata.desc = dd2; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -1032,7 +1041,6 @@ test_ncr_hash(int cfd) dinit.flags = NCR_DATA_FLAG_EXPORTABLE; dinit.initial_data = NULL; dinit.initial_data_size = 0; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -1073,10 +1081,11 @@ test_ncr_hash(int cfd) kdata.data = (void*)hash_vectors[i].key; kdata.data_size = hash_vectors[i].key_size; kdata.desc = dd; + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_DATA_SET)"); + perror("ioctl(NCRIO_DATA_INIT)"); return 1; } @@ -1093,10 +1102,11 @@ test_ncr_hash(int cfd) kdata.data = (void*)hash_vectors[i].plaintext; kdata.data_size = hash_vectors[i].plaintext_size; kdata.desc = dd; + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_DATA_SET)"); + perror("ioctl(NCRIO_DATA_INIT)"); return 1; } @@ -1116,10 +1126,10 @@ test_ncr_hash(int cfd) } /* verify */ - memset(&kdata, 0, sizeof(kdata)); kdata.desc = dd2; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); diff --git a/examples/pk.c b/examples/pk.c index edae150e214..076563891db 100644 --- a/examples/pk.c +++ b/examples/pk.c @@ -339,7 +339,6 @@ static int rsa_key_encrypt(int cfd, ncr_key_t privkey, ncr_key_t pubkey, int oae dinit.flags = NCR_DATA_FLAG_EXPORTABLE; dinit.initial_data = data; dinit.initial_data_size = RSA_ENCRYPT_SIZE; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -352,7 +351,6 @@ static int rsa_key_encrypt(int cfd, ncr_key_t privkey, ncr_key_t pubkey, int oae memset(&dinit, 0, sizeof(dinit)); dinit.max_object_size = DATA_SIZE; dinit.flags = NCR_DATA_FLAG_EXPORTABLE; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -439,7 +437,6 @@ static int rsa_key_sign_verify(int cfd, ncr_key_t privkey, ncr_key_t pubkey, int dinit.flags = NCR_DATA_FLAG_EXPORTABLE; dinit.initial_data = data; dinit.initial_data_size = sizeof(data); - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -452,7 +449,6 @@ static int rsa_key_sign_verify(int cfd, ncr_key_t privkey, ncr_key_t pubkey, int memset(&dinit, 0, sizeof(dinit)); dinit.max_object_size = DATA_SIZE; dinit.flags = NCR_DATA_FLAG_EXPORTABLE; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -533,7 +529,6 @@ static int dsa_key_sign_verify(int cfd, ncr_key_t privkey, ncr_key_t pubkey) memset(&dinit, 0, sizeof(dinit)); dinit.max_object_size = DATA_SIZE; dinit.flags = NCR_DATA_FLAG_EXPORTABLE; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -626,7 +621,6 @@ static int test_ncr_rsa(int cfd) dinit.flags = NCR_DATA_FLAG_EXPORTABLE; dinit.initial_data = NULL; dinit.initial_data_size = 0; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -650,6 +644,7 @@ static int test_ncr_rsa(int cfd) kdata.desc = dinit.desc; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -681,6 +676,7 @@ static int test_ncr_rsa(int cfd) kdata.desc = dinit.desc; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -769,7 +765,6 @@ static int test_ncr_dsa(int cfd) dinit.flags = NCR_DATA_FLAG_EXPORTABLE; dinit.initial_data = NULL; dinit.initial_data_size = 0; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -793,6 +788,7 @@ static int test_ncr_dsa(int cfd) kdata.desc = dinit.desc; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -824,6 +820,7 @@ static int test_ncr_dsa(int cfd) kdata.desc = dinit.desc; kdata.data = data; kdata.data_size = sizeof(data); + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_GET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); diff --git a/examples/speed.c b/examples/speed.c index 25bf08b32be..99dc09e09ca 100644 --- a/examples/speed.c +++ b/examples/speed.c @@ -152,12 +152,10 @@ int encrypt_data_ncr(int cfd, int algo, int chunksize) buffer = malloc(chunksize); memset(iv, 0x23, 32); - memset(&dinit, 0, sizeof(dinit)); dinit.max_object_size = chunksize; dinit.flags = NCR_DATA_FLAG_EXPORTABLE; dinit.initial_data = buffer; dinit.initial_data_size = chunksize; - dinit.type = NCR_DATA_KERNEL; if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -179,6 +177,7 @@ int encrypt_data_ncr(int cfd, int algo, int chunksize) kdata.data = buffer; kdata.data_size = chunksize; kdata.desc = dd; + kdata.append_flag = 0; if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) { fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); @@ -218,97 +217,6 @@ int encrypt_data_ncr(int cfd, int algo, int chunksize) return 0; } -int encrypt_data_ncr_user(int cfd, int algo, int chunksize) -{ - char *buffer, iv[32]; - static int val = 23; - struct timeval start, end; - double total = 0; - double secs, ddata, dspeed; - char metric[16]; - ncr_key_t key; - struct ncr_key_generate_st kgen; - struct ncr_data_init_st dinit; - struct ncr_session_once_op_st nop; - ncr_data_t dd; - - if (ioctl(cfd, NCRIO_KEY_INIT, &key)) { - fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_KEY_INIT)"); - return 1; - } - - kgen.desc = key; - kgen.params.algorithm = NCR_ALG_AES_CBC; - kgen.params.keyflags = NCR_KEY_FLAG_EXPORTABLE; - kgen.params.params.secret.bits = 128; /* 16 bytes */ - - if (ioctl(cfd, NCRIO_KEY_GENERATE, &kgen)) { - fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_KEY_IMPORT)"); - return 1; - } - - - buffer = malloc(chunksize); - memset(iv, 0x23, 32); - - /* now data are just a mirror of userspace data */ - memset(&dinit, 0, sizeof(dinit)); - dinit.flags = NCR_DATA_FLAG_EXPORTABLE; - dinit.initial_data = buffer; - dinit.initial_data_size = chunksize; - dinit.type = NCR_DATA_USER; - - if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) { - fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_DATA_INIT)"); - return 1; - } - dd = dinit.desc; - - printf("\tEncrypting in chunks of %d bytes: ", chunksize); - fflush(stdout); - - memset(buffer, val++, chunksize); - - must_finish = 0; - alarm(5); - - gettimeofday(&start, NULL); - do { - memset(&nop, 0, sizeof(nop)); - nop.init.algorithm = algo; - nop.init.params.key = key; - nop.init.op = NCR_OP_ENCRYPT; - nop.op.data.cipher.plaintext = dd; - nop.op.data.cipher.ciphertext = dd; - - if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) { - fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_SESSION_ONCE)"); - return 1; - } - - total+=chunksize; - } while(must_finish==0); - gettimeofday(&end, NULL); - - if (ioctl(cfd, NCRIO_DATA_DEINIT, &dd)) { - fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_DATA_INIT)"); - return 1; - } - - secs = udifftimeval(start, end)/ 1000000.0; - - value2human(total, secs, &ddata, &dspeed, metric); - printf ("done. %.2f %s in %.2f secs: ", ddata, metric, secs); - printf ("%.2f %s/sec\n", dspeed, metric); - - return 0; -} - int main(void) { int fd, i, fdc = -1; @@ -369,18 +277,6 @@ int main(void) break; } - fprintf(stderr, "\nTesting NCR-USER with NULL cipher: \n"); - for (i = 256; i <= (64 * 1024); i *= 2) { - if (encrypt_data_ncr_user(fdc, NCR_ALG_NULL, i)) - break; - } - - fprintf(stderr, "\nTesting NCR-USER with AES-128-CBC cipher: \n"); - for (i = 256; i <= (64 * 1024); i *= 2) { - if (encrypt_data_ncr_user(fdc, NCR_ALG_AES_CBC, i)) - break; - } - close(fdc); close(fd); diff --git a/ncr-data.c b/ncr-data.c index d0ff5b9b409..8763234f724 100644 --- a/ncr-data.c +++ b/ncr-data.c @@ -101,143 +101,11 @@ void _ncr_data_item_put( struct data_item_st* item) { if (atomic_dec_and_test(&item->refcnt)) { ncr_limits_remove(item->uid, item->pid, LIMIT_TYPE_DATA); - if (item->type == NCR_DATA_KERNEL) - kfree(item->data.kernel); - else if (item->type == NCR_DATA_USER) - ncr_data_item_put_sg(item); /* just in case */ + kfree(item->data); kfree(item); } } -int ncr_data_item_get_sg( struct data_item_st* item, struct scatterlist** sg, - unsigned int *sg_cnt, size_t *data_size, size_t* max_data_size, unsigned int data_flags, int write) -{ - if (item->type == NCR_DATA_KERNEL) { - item->flags = data_flags; - - sg_init_one(item->_sg, item->data.kernel, item->max_data_size); - - if (data_size) *data_size = item->data_size; - if (max_data_size) *max_data_size = item->max_data_size; - *sg_cnt = 1; - *sg = item->_sg; - - } else if (item->type == NCR_DATA_USER) { - int ret; - size_t pagecount = PAGECOUNT(item->data.user.ptr, item->data_size); - - if (atomic_add_unless(&item->data.user.pg_used, 1, 1) == 0) { - err(); - return -EBUSY; - } - - if (!(data_flags & NCR_DATA_FLAG_EXPORTABLE)) { - err(); - return -EPERM; - } - - if (pagecount > MAX_DATA_PAGES) { - err(); - return -EOVERFLOW; - } - - ret = __get_userbuf(item->data.user.ptr, item->data_size, write, - pagecount, item->data.user.pg, item->_sg); - if (ret < 0) { - err(); - return ret; - } - - if (max_data_size) *max_data_size = item->data_size; - if (data_size) *data_size = item->data_size; - *sg = item->_sg; - *sg_cnt = item->data.user.pg_cnt = pagecount; - } else { - err(); - return -EINVAL; - } - - return 0; -} - -void ncr_data_item_put_sg( struct data_item_st* item) -{ - if (item->type == NCR_DATA_USER && atomic_read(&item->data.user.pg_used) > 0) { - if (item->data.user.pg_cnt > 0) { - release_user_pages(item->data.user.pg, item->data.user.pg_cnt); - item->data.user.pg_cnt = 0; - } - atomic_dec(&item->data.user.pg_used); - } - - return; -} - -int ncr_data_item_setd( struct data_item_st* item, const void* data, size_t data_size, unsigned int data_flags) -{ -struct scatterlist* sg; -size_t sg_max_size; -unsigned int sg_cnt; -int ret; - - ret = ncr_data_item_get_sg(item, &sg, &sg_cnt, NULL, &sg_max_size, data_flags, 1); - if (ret < 0) { - err(); - return ret; - } - - if (data_size > sg_max_size) { - err(); - ret = -EOVERFLOW; - goto fail; - } - - ret = sg_copy_from_buffer(sg, sg_cnt, (void*)data, data_size); - if (ret != data_size) { - err(); - ret = -EINVAL; - goto fail; - } - item->data_size = data_size; - - ret = 0; -fail: - ncr_data_item_put_sg(item); - return ret; -} - -int ncr_data_item_getd( struct data_item_st* item, void* data, size_t data_size, unsigned int data_flags) -{ -struct scatterlist* sg; -size_t sg_size; -unsigned int sg_cnt; -int ret; - - ret = ncr_data_item_get_sg(item, &sg, &sg_cnt, &sg_size, NULL, data_flags, 0); - if (ret < 0) { - err(); - return ret; - } - - if (data_size < sg_size) { - err(); - ret = -EOVERFLOW; - goto fail; - } - - ret = sg_copy_to_buffer(sg, sg_cnt, data, data_size); - if (ret != data_size) { - err(); - ret = -EINVAL; - goto fail; - } - - ret = 0; -fail: - ncr_data_item_put_sg(item); - return ret; -} - int ncr_data_init(struct list_sem_st* lst, void __user* arg) { struct ncr_data_init_st init; @@ -271,33 +139,22 @@ int ncr_data_init(struct list_sem_st* lst, void __user* arg) atomic_set(&data->refcnt, 1); - data->type = init.type; + data->data = data_alloc(init.max_object_size); + if (data->data == NULL) { + err(); + ret = -ENOMEM; + goto err_data; + } + data->max_data_size = init.max_object_size; - if (init.type == NCR_DATA_KERNEL) { - data->data.kernel = data_alloc(init.max_object_size); - if (data->data.kernel == NULL) { + if (init.initial_data != NULL) { + if (unlikely(copy_from_user(data->data, init.initial_data, + init.initial_data_size))) { err(); - ret = -ENOMEM; - goto err_data; + _ncr_data_item_put(data); + return -EFAULT; } - data->max_data_size = init.max_object_size; - - if (init.initial_data != NULL) { - if (unlikely(copy_from_user(data->data.kernel, init.initial_data, - init.initial_data_size))) { - err(); - _ncr_data_item_put(data); - return -EFAULT; - } - data->data_size = init.initial_data_size; - } - } else if (init.type == NCR_DATA_USER) { - data->data.user.ptr = init.initial_data; - data->max_data_size = data->data_size = init.initial_data_size; - atomic_set(&data->data.user.pg_used, 0); - } else { - err(); - goto err_data; + data->data_size = init.initial_data_size; } down(&lst->sem); @@ -361,19 +218,14 @@ int ncr_data_get(struct list_sem_st* lst, void __user* arg) err(); return -EFAULT; } - + data = ncr_data_item_get( lst, get.desc); + if (data == NULL) { err(); return -EINVAL; } - if (data->type == NCR_DATA_USER) { - err(); - ret = -EINVAL; - goto cleanup; - } - if (!(data->flags & NCR_DATA_FLAG_EXPORTABLE)) { err(); ret = -EPERM; @@ -381,9 +233,10 @@ int ncr_data_get(struct list_sem_st* lst, void __user* arg) } len = min(get.data_size, data->data_size); + /* update length */ get.data_size = len; - + ret = copy_to_user(arg, &get, sizeof(get)); if (unlikely(ret)) { err(); @@ -391,7 +244,7 @@ int ncr_data_get(struct list_sem_st* lst, void __user* arg) } if (ret == 0 && len > 0) { - ret = copy_to_user(get.data, data->data.kernel, len); + ret = copy_to_user(get.data, data->data, len); if (unlikely(ret)) { err(); ret = -EFAULT; @@ -416,17 +269,12 @@ int ncr_data_set(struct list_sem_st* lst, void __user* arg) } data = ncr_data_item_get( lst, get.desc); + if (data == NULL) { err(); return -EINVAL; } - if (data->type == NCR_DATA_USER) { - err(); - ret = -EINVAL; - goto cleanup; - } - if ((get.data_size > data->max_data_size) || (get.data == NULL && get.data_size != 0)) { err(); @@ -434,16 +282,37 @@ int ncr_data_set(struct list_sem_st* lst, void __user* arg) goto cleanup; } - if (get.data != NULL) { - if (unlikely(copy_from_user(data->data.kernel, get.data, - get.data_size))) { + if (!get.append_flag) { + if (get.data != NULL) { + if (unlikely(copy_from_user(data->data, get.data, + get.data_size))) { + err(); + ret = -EFAULT; + goto cleanup; + } + } + data->data_size = get.data_size; + } else { + size_t offset; + + offset = data->data_size; + /* get.data_size <= data->max_data_size, which is limited in + data_alloc(), so there is no integer overflow. */ + if (get.data_size+offset > data->max_data_size) { err(); - ret = -EFAULT; + ret = -EINVAL; goto cleanup; } + if (get.data != NULL) { + if (unlikely(copy_from_user(&data->data[offset], + get.data, get.data_size))) { + err(); + ret = -EFAULT; + goto cleanup; + } + } + data->data_size = offset + get.data_size; } - data->data_size = get.data_size; - ret = 0; cleanup: diff --git a/ncr-key-storage.c b/ncr-key-storage.c index ca96ddb3d86..69e1c50910f 100644 --- a/ncr-key-storage.c +++ b/ncr-key-storage.c @@ -39,17 +39,6 @@ struct packed_key { uint32_t raw_size; } __attribute__((__packed__)); -/** - * key_to_storage_data: - * @key: The key to pack - * @sdata: Output data - * @sdata_size: Output data size - * - * This function will pack the given key and return allocated data with the packed - * key. - * - * Returns: 0 or errno. - **/ int key_to_storage_data( uint8_t** sdata, size_t * sdata_size, const struct key_item_st *key) { struct packed_key * pkey; @@ -93,16 +82,6 @@ fail: return ret; } -/** - * key_from_storage_data: - * @key: The key to unpack on - * @data: input data - * @data_size: Input data size - * - * This function will unpack the given packed key and store it into the key item. - * - * Returns: 0 or errno. - **/ int key_from_storage_data(struct key_item_st* key, const void* data, size_t data_size) { const struct packed_key * pkey = data; diff --git a/ncr-key-wrap.c b/ncr-key-wrap.c index d38edcad6fc..f9c019dd1ac 100644 --- a/ncr-key-wrap.c +++ b/ncr-key-wrap.c @@ -44,24 +44,16 @@ static void val64_xor( val64_t val, uint32_t x) } static int rfc3394_wrap(val64_t R[], unsigned int n, struct cipher_data* ctx, - struct data_item_st* odata, const uint8_t iv[8]) + struct data_item_st* output, const uint8_t iv[8]) { val64_t A; uint8_t aes_block[16]; -int i,j, ret; -uint8_t * output; -size_t output_size = (n+1)*8; +int i,j; - if (odata->max_data_size < output_size) { + if (output->max_data_size < (n+1)*8) { err(); return -EINVAL; } - - output = kmalloc(output_size, GFP_KERNEL); - if (output == NULL) { - err(); - return -ENOMEM; - } memcpy(A, iv, 8); @@ -80,14 +72,12 @@ size_t output_size = (n+1)*8; memcpy(R[n-1], &aes_block[8], 8); /* R[n-1] = LSB64(AES(A^{t-1}|R_{1}^{t-1})) */ } - memcpy(output, A, sizeof(A)); + memcpy(output->data, A, sizeof(A)); for (j=0;j<n;j++) - memcpy(&output[(j+1)*8], R[j], 8); - - ret = ncr_data_item_setd( odata, output, output_size, odata->flags); - kfree(output); - - return ret; + memcpy(&output->data[(j+1)*8], R[j], 8); + output->data_size = (n+1)*8; + + return 0; } static int rfc3394_unwrap(uint8_t *wrapped_key, val64_t R[], unsigned int n, val64_t A, struct cipher_data *ctx) @@ -187,7 +177,7 @@ static int _unwrap_aes_rfc5649(void* kdata, size_t *kdata_size, struct key_item_ struct data_item_st *wrapped, const void* _iv, size_t iv_size) { size_t wrapped_key_size, n; -uint8_t *wrapped_key = NULL; +uint8_t *wrapped_key; int i, ret; struct cipher_data ctx; uint8_t iv[4]; @@ -206,20 +196,8 @@ size_t size; return ret; } - wrapped_key = kmalloc(wrapped->data_size, GFP_KERNEL); - if (wrapped_key == NULL) { - err(); - ret = -ENOMEM; - goto cleanup; - } - + wrapped_key = wrapped->data; wrapped_key_size = wrapped->data_size; - - ret = ncr_data_item_getd( wrapped, wrapped_key, wrapped->data_size, wrapped->flags); - if (ret < 0) { - err(); - goto cleanup; - } if (wrapped_key_size % 8 != 0) { err(); @@ -278,7 +256,6 @@ size_t size; ret = 0; cleanup: - kfree(wrapped_key); cryptodev_cipher_deinit(&ctx); return ret; @@ -385,7 +362,7 @@ static int unwrap_aes(struct key_item_st* output, struct key_item_st *kek, struct data_item_st* wrapped, const void* iv, size_t iv_size) { size_t wrapped_key_size, n; -uint8_t *wrapped_key = NULL; +uint8_t *wrapped_key; val64_t A; int i, ret; struct cipher_data ctx; @@ -403,20 +380,8 @@ struct cipher_data ctx; output->type = NCR_KEY_TYPE_SECRET; - wrapped_key = kmalloc(wrapped->data_size, GFP_KERNEL); - if (wrapped_key == NULL) { - err(); - ret = -ENOMEM; - goto cleanup; - } - + wrapped_key = wrapped->data; wrapped_key_size = wrapped->data_size; - - ret = ncr_data_item_getd( wrapped, wrapped_key, wrapped_key_size, wrapped->flags); - if (ret < 0) { - err(); - goto cleanup; - } if (wrapped_key_size % 8 != 0) { err(); @@ -454,13 +419,13 @@ struct cipher_data ctx; output->key.secret.size = n*8; output->flags = NCR_KEY_FLAG_WRAPPABLE; output->type = NCR_KEY_TYPE_SECRET; + } ret = 0; cleanup: - kfree(wrapped_key); cryptodev_cipher_deinit(&ctx); return ret; diff --git a/ncr-key.c b/ncr-key.c index c6ce932c886..134831e55b6 100644 --- a/ncr-key.c +++ b/ncr-key.c @@ -238,9 +238,7 @@ struct ncr_key_data_st data; struct key_item_st* item = NULL; struct data_item_st* ditem = NULL; uint32_t size; -uint32_t data_flags; int ret; -uint8_t* tmp = NULL; if (unlikely(copy_from_user(&data, arg, sizeof(data)))) { err(); @@ -260,7 +258,7 @@ uint8_t* tmp = NULL; goto fail; } - data_flags = key_flags_to_data(item->flags); + ditem->flags = key_flags_to_data(item->flags); switch (item->type) { case NCR_KEY_TYPE_SECRET: @@ -272,27 +270,15 @@ uint8_t* tmp = NULL; /* found */ if (item->key.secret.size > 0) { - ret = ncr_data_item_setd( ditem, - item->key.secret.data, item->key.secret.size, - data_flags); - if (ret < 0) { - err(); - goto fail; - } + memcpy(ditem->data, item->key.secret.data, item->key.secret.size); } + ditem->data_size = item->key.secret.size; break; case NCR_KEY_TYPE_PUBLIC: case NCR_KEY_TYPE_PRIVATE: size = ditem->max_data_size; + ret = ncr_pk_pack(item, ditem->data, &size); - tmp = kmalloc(size, GFP_KERNEL); - if (tmp == NULL) { - err(); - ret = -ENOMEM; - goto fail; - } - - ret = ncr_pk_pack(item, tmp, &size); ditem->data_size = size; if (ret < 0) { @@ -300,14 +286,6 @@ uint8_t* tmp = NULL; goto fail; } - ret = ncr_data_item_setd( ditem, tmp, size, data_flags); - if (ret < 0) { - err(); - goto fail; - } - - kfree(tmp); - break; default: err(); @@ -321,7 +299,6 @@ uint8_t* tmp = NULL; return 0; fail: - kfree(tmp); if (item) _ncr_key_item_put(item); if (ditem) @@ -339,7 +316,6 @@ int ncr_key_import(struct list_sem_st* data_lst, struct ncr_key_data_st data; struct key_item_st* item = NULL; struct data_item_st* ditem = NULL; -uint8_t *tmp = NULL; int ret; if (unlikely(copy_from_user(&data, arg, sizeof(data)))) { @@ -381,39 +357,23 @@ int ret; switch(item->type) { case NCR_KEY_TYPE_SECRET: + if (ditem->data_size > NCR_CIPHER_MAX_KEY_LEN) { err(); ret = -EINVAL; goto fail; } - ret = ncr_data_item_getd(ditem, item->key.secret.data, ditem->data_size, item->flags); - if (ret < 0) { - err(); - goto fail; - } + memcpy(item->key.secret.data, ditem->data, ditem->data_size); item->key.secret.size = ditem->data_size; break; case NCR_KEY_TYPE_PRIVATE: case NCR_KEY_TYPE_PUBLIC: - tmp = kmalloc(ditem->data_size, GFP_KERNEL); - if (tmp == NULL) { - err(); - return -ENOMEM; - } - - ret = ncr_data_item_getd(ditem, tmp, ditem->data_size, item->flags); - if (ret < 0) { - err(); - goto fail; - } - - ret = ncr_pk_unpack( item, tmp, ditem->data_size); + ret = ncr_pk_unpack( item, ditem->data, ditem->data_size); if (ret < 0) { err(); goto fail; } - kfree(tmp); break; default: @@ -428,7 +388,6 @@ int ret; return 0; fail: - kfree(tmp); if (item) _ncr_key_item_put(item); if (ditem) @@ -354,237 +354,121 @@ int ncr_pk_cipher_init(ncr_algorithm_t algo, } int ncr_pk_cipher_encrypt(const struct ncr_pk_ctx* ctx, - const struct scatterlist* isg, unsigned int isg_cnt, size_t isg_size, - struct scatterlist *osg, unsigned int osg_cnt, size_t* osg_size) + const void* input, size_t input_size, + void* output, size_t *output_size) { -int cret, ret; -unsigned long osize = *osg_size; -uint8_t* tmp; -void * input, *output; - - tmp = kmalloc(isg_size + *osg_size, GFP_KERNEL); - if (tmp == NULL) { - err(); - return -ENOMEM; - } - - ret = sg_copy_to_buffer((struct scatterlist*)isg, isg_cnt, tmp, isg_size); - if (ret != isg_size) { - err(); - ret = -EINVAL; - goto fail; - } - - input = tmp; - output = &tmp[isg_size]; - +int cret; +unsigned long osize = *output_size; switch(ctx->algorithm) { case NCR_ALG_RSA: - cret = rsa_encrypt_key_ex( input, isg_size, output, &osize, + cret = rsa_encrypt_key_ex( input, input_size, output, &osize, NULL, 0, ctx->oaep_hash, ctx->type, &ctx->key->key.pk.rsa); if (cret != CRYPT_OK) { + printk("cret: %d type: %d\n", cret, ctx->type); err(); - ret = tomerr(cret); - goto fail; - } - *osg_size = osize; - - ret = sg_copy_from_buffer(osg, osg_cnt, output, osize); - if (ret != osize) { - err(); - ret = -EINVAL; - goto fail; + return tomerr(cret); } - + *output_size = osize; break; case NCR_ALG_DSA: - ret = -EINVAL; - goto fail; + return -EINVAL; + break; default: err(); - ret = -EINVAL; - goto fail; + return -EINVAL; } - - ret = sg_copy_from_buffer(osg, osg_cnt, output, *osg_size); - if (ret != *osg_size) { - err(); - ret = -EINVAL; - goto fail; - } - - ret = 0; - -fail: - kfree(tmp); - return ret; + + return 0; } -int ncr_pk_cipher_decrypt(const struct ncr_pk_ctx* ctx, - const struct scatterlist* isg, unsigned int isg_cnt, size_t isg_size, - struct scatterlist *osg, unsigned int osg_cnt, size_t* osg_size) +int ncr_pk_cipher_decrypt(const struct ncr_pk_ctx* ctx, const void* input, size_t input_size, + void* output, size_t *output_size) { -int cret, ret; +int cret; +unsigned long osize = *output_size; int stat; -unsigned long osize = *osg_size; -uint8_t* tmp; -void * input, *output; - - tmp = kmalloc(isg_size + *osg_size, GFP_KERNEL); - if (tmp == NULL) { - err(); - return -ENOMEM; - } - - input = tmp; - output = &tmp[isg_size]; - - ret = sg_copy_to_buffer((struct scatterlist*)isg, isg_cnt, input, isg_size); - if (ret != isg_size) { - err(); - ret = -EINVAL; - goto fail; - } switch(ctx->algorithm) { case NCR_ALG_RSA: - cret = rsa_decrypt_key_ex( input, isg_size, output, &osize, + cret = rsa_decrypt_key_ex( input, input_size, output, &osize, NULL, 0, ctx->oaep_hash, ctx->type, &stat, &ctx->key->key.pk.rsa); if (cret != CRYPT_OK) { err(); - ret = tomerr(cret); - goto fail; + return tomerr(cret); } if (stat==0) { err(); - ret = -EINVAL; - goto fail; + return -EINVAL; } - *osg_size = osize; + *output_size = osize; break; case NCR_ALG_DSA: - ret = -EINVAL; - goto fail; + return -EINVAL; + break; default: err(); - ret = -EINVAL; - goto fail; + return -EINVAL; } - - ret = sg_copy_from_buffer(osg, osg_cnt, output, *osg_size); - if (ret != *osg_size) { - err(); - ret = -EINVAL; - goto fail; - } - - ret = 0; -fail: - kfree(tmp); - return ret; + return 0; } int ncr_pk_cipher_sign(const struct ncr_pk_ctx* ctx, - const struct scatterlist* isg, unsigned int isg_cnt, size_t isg_size, - struct scatterlist *osg, unsigned int osg_cnt, size_t* osg_size) + const void* input, size_t input_size, + void* output, size_t *output_size) { -int cret, ret; -unsigned long osize = *osg_size; -uint8_t* tmp; -void * input, *output; - - tmp = kmalloc(isg_size + *osg_size, GFP_KERNEL); - if (tmp == NULL) { - err(); - return -ENOMEM; - } - - input = tmp; - output = &tmp[isg_size]; - - ret = sg_copy_to_buffer((struct scatterlist*)isg, isg_cnt, input, isg_size); - if (ret != isg_size) { - err(); - ret = -EINVAL; - goto fail; - } +int cret; +unsigned long osize = *output_size; switch(ctx->algorithm) { case NCR_ALG_RSA: - cret = rsa_sign_hash_ex( input, isg_size, output, &osize, + cret = rsa_sign_hash_ex( input, input_size, output, &osize, ctx->type, ctx->sign_hash, ctx->salt_len, &ctx->key->key.pk.rsa); if (cret != CRYPT_OK) { err(); return tomerr(cret); } - *osg_size = osize; + *output_size = osize; break; case NCR_ALG_DSA: - cret = dsa_sign_hash( input, isg_size, output, &osize, + cret = dsa_sign_hash( input, input_size, output, &osize, &ctx->key->key.pk.dsa); if (cret != CRYPT_OK) { err(); return tomerr(cret); } - *osg_size = osize; + *output_size = osize; break; default: err(); - ret = -EINVAL; - goto fail; - } - - ret = sg_copy_from_buffer(osg, osg_cnt, output, *osg_size); - if (ret != *osg_size) { - err(); - ret = -EINVAL; - goto fail; + return -EINVAL; } - ret = 0; -fail: - kfree(tmp); - return ret; + return 0; } int ncr_pk_cipher_verify(const struct ncr_pk_ctx* ctx, - const struct scatterlist* sign_sg, unsigned int sign_sg_cnt, size_t sign_sg_size, + const void* signature, size_t signature_size, const void* hash, size_t hash_size, ncr_error_t* err) { -int cret, ret; +int cret; int stat; -uint8_t* sig; - - sig = kmalloc(sign_sg_size, GFP_KERNEL); - if (sig == NULL) { - err(); - return -ENOMEM; - } - - ret = sg_copy_to_buffer((struct scatterlist*)sign_sg, sign_sg_cnt, sig, sign_sg_size); - if (ret != sign_sg_size) { - err(); - ret = -EINVAL; - goto fail; - } switch(ctx->algorithm) { case NCR_ALG_RSA: - cret = rsa_verify_hash_ex( sig, sign_sg_size, + cret = rsa_verify_hash_ex( signature, signature_size, hash, hash_size, ctx->type, ctx->sign_hash, ctx->salt_len, &stat, &ctx->key->key.pk.rsa); if (cret != CRYPT_OK) { err(); - ret = tomerr(cret); - goto fail; + return tomerr(cret); } if (stat == 1) @@ -594,12 +478,11 @@ uint8_t* sig; break; case NCR_ALG_DSA: - cret = dsa_verify_hash( sig, sign_sg_size, + cret = dsa_verify_hash( signature, signature_size, hash, hash_size, &stat, &ctx->key->key.pk.dsa); if (cret != CRYPT_OK) { err(); - ret = tomerr(cret); - goto fail; + return tomerr(cret); } if (stat == 1) @@ -610,12 +493,8 @@ uint8_t* sig; break; default: err(); - ret = -EINVAL; - goto fail; + return -EINVAL; } - - ret = 0; -fail: - kfree(sig); - return ret; + + return 0; } @@ -34,20 +34,15 @@ int ncr_pk_cipher_init(ncr_algorithm_t algo, struct ncr_pk_ctx* ctx, struct ncr_key_params_st* params, struct key_item_st *key); void ncr_pk_cipher_deinit(struct ncr_pk_ctx* ctx); -int ncr_pk_cipher_encrypt(const struct ncr_pk_ctx* ctx, - const struct scatterlist* isg, unsigned int isg_cnt, size_t isg_size, - struct scatterlist *osg, unsigned int osg_cnt, size_t* osg_size); +int ncr_pk_cipher_encrypt(const struct ncr_pk_ctx* ctx, const void* input, + size_t input_size, void* output, size_t *output_size); +int ncr_pk_cipher_decrypt(const struct ncr_pk_ctx* ctx, const void* input, + size_t input_size, void* output, size_t *output_size); +int ncr_pk_cipher_sign(const struct ncr_pk_ctx* ctx, const void* input, + size_t input_size, void* output, size_t *output_size); -int ncr_pk_cipher_decrypt(const struct ncr_pk_ctx* ctx, - const struct scatterlist* isg, unsigned int isg_cnt, size_t isg_size, - struct scatterlist *osg, unsigned int osg_cnt, size_t* osg_size); - -int ncr_pk_cipher_sign(const struct ncr_pk_ctx* ctx, - const struct scatterlist* isg, unsigned int isg_cnt, size_t isg_size, - struct scatterlist *osg, unsigned int osg_cnt, size_t* osg_size); - int ncr_pk_cipher_verify(const struct ncr_pk_ctx* ctx, - const struct scatterlist* sign_sg, unsigned int sign_sg_cnt, size_t sign_sg_size, - const void* hash, size_t hash_size, ncr_error_t* err); + const void* signature, size_t signature_size, + const void* hash, size_t hash_size, ncr_error_t*); #endif diff --git a/ncr-sessions.c b/ncr-sessions.c index dc033676aa1..d8a9b4f106b 100644 --- a/ncr-sessions.c +++ b/ncr-sessions.c @@ -487,10 +487,6 @@ static int _ncr_session_update(struct ncr_lists* lists, struct ncr_session_op_st struct session_item_st* sess; struct data_item_st* data = NULL; struct data_item_st* odata = NULL; - struct scatterlist *osg; - struct scatterlist *isg; - size_t osg_size, isg_size; - unsigned int osg_cnt, isg_cnt; sess = ncr_sessions_item_get( &lists->sessions, op->ses); if (sess == NULL) { @@ -515,25 +511,6 @@ static int _ncr_session_update(struct ncr_lists* lists, struct ncr_session_op_st goto fail; } - /* output data will have the same status as input data */ - ret = ncr_data_item_get_sg(odata, &osg, &osg_cnt, NULL, &osg_size, data->flags, 1); - if (ret < 0) { - err(); - goto fail; - } - - if (odata != data) { - ret = ncr_data_item_get_sg(data, &isg, &isg_cnt, &isg_size, NULL, data->flags, 0); - if (ret < 0) { - err(); - goto fail; - } - } else { - isg = osg; - isg_cnt = osg_cnt; - isg_size = osg_size; - } - if (odata->max_data_size < data->data_size) { err(); ret = -EINVAL; @@ -542,18 +519,18 @@ static int _ncr_session_update(struct ncr_lists* lists, struct ncr_session_op_st if (algo_is_symmetric(sess->algorithm)) { /* read key */ - ret = cryptodev_cipher_encrypt(&sess->cipher, isg, osg, isg_size); + ret = _cryptodev_cipher_encrypt(&sess->cipher, data->data, + data->data_size, odata->data, data->data_size); if (ret < 0) { err(); goto fail; } /* FIXME: handle ciphers that do not require that */ odata->data_size = data->data_size; - } else { /* public key */ - size_t new_size = osg_size; - ret = ncr_pk_cipher_encrypt(&sess->pk, isg, isg_cnt, isg_size, - osg, osg_cnt, &new_size); + size_t new_size = odata->max_data_size; + ret = ncr_pk_cipher_encrypt(&sess->pk, data->data, data->data_size, + odata->data, &new_size); odata->data_size = new_size; @@ -579,24 +556,6 @@ static int _ncr_session_update(struct ncr_lists* lists, struct ncr_session_op_st goto fail; } - ret = ncr_data_item_get_sg(odata, &osg, &osg_cnt, NULL, &osg_size, data->flags, 1); - if (ret < 0) { - err(); - goto fail; - } - - if (odata != data) { - ret = ncr_data_item_get_sg(data, &isg, &isg_cnt, NULL, &isg_size, data->flags, 0); - if (ret < 0) { - err(); - goto fail; - } - } else { - isg = osg; - isg_cnt = osg_cnt; - isg_size = osg_size; - } - if (odata->max_data_size < data->data_size) { err(); ret = -EINVAL; @@ -605,7 +564,7 @@ static int _ncr_session_update(struct ncr_lists* lists, struct ncr_session_op_st /* read key */ if (algo_is_symmetric(sess->algorithm)) { - ret = cryptodev_cipher_decrypt(&sess->cipher, isg, osg, isg_size); + ret = _cryptodev_cipher_decrypt(&sess->cipher, data->data, data->data_size, odata->data, data->data_size); if (ret < 0) { err(); goto fail; @@ -613,9 +572,9 @@ static int _ncr_session_update(struct ncr_lists* lists, struct ncr_session_op_st /* FIXME: handle ciphers that do not require that */ odata->data_size = data->data_size; } else { /* public key */ - size_t new_size = osg_size; - ret = ncr_pk_cipher_decrypt(&sess->pk, isg, isg_cnt, isg_size, - osg, osg_cnt, &new_size); + size_t new_size = odata->max_data_size; + ret = ncr_pk_cipher_decrypt(&sess->pk, data->data, data->data_size, + odata->data, &new_size); odata->data_size = new_size; @@ -637,13 +596,7 @@ static int _ncr_session_update(struct ncr_lists* lists, struct ncr_session_op_st goto fail; } - ret = ncr_data_item_get_sg(data, &isg, &isg_cnt, &isg_size, NULL, data->flags, 0); - if (ret < 0) { - err(); - goto fail; - } - - ret = cryptodev_hash_update(&sess->hash, isg, isg_size); + ret = _cryptodev_hash_update(&sess->hash, data->data, data->data_size); if (ret < 0) { err(); goto fail; @@ -659,13 +612,7 @@ static int _ncr_session_update(struct ncr_lists* lists, struct ncr_session_op_st goto fail; } - ret = ncr_data_item_get_sg(data, &isg, &isg_cnt, &isg_size, NULL, data->flags, 0); - if (ret < 0) { - err(); - goto fail; - } - - ret = cryptodev_hash_update(&sess->hash, isg, isg_size); + ret = _cryptodev_hash_update(&sess->hash, data->data, data->data_size); if (ret < 0) { err(); goto fail; @@ -681,14 +628,8 @@ static int _ncr_session_update(struct ncr_lists* lists, struct ncr_session_op_st ret = 0; fail: - if (odata) { - ncr_data_item_put_sg(odata); - _ncr_data_item_put(odata); - } - if (data) { - ncr_data_item_put_sg(data); - _ncr_data_item_put(data); - } + if (odata) _ncr_data_item_put(odata); + if (data) _ncr_data_item_put(data); _ncr_sessions_item_put(sess); return ret; @@ -732,9 +673,6 @@ static int _ncr_session_final(struct ncr_lists* lists, struct ncr_session_op_st* struct data_item_st* odata = NULL; int digest_size; uint8_t digest[NCR_HASH_MAX_OUTPUT_SIZE]; - struct scatterlist *osg; - size_t osg_size; - unsigned int osg_cnt; sess = ncr_sessions_item_get( &lists->sessions, op->ses); if (sess == NULL) { @@ -780,32 +718,19 @@ static int _ncr_session_final(struct ncr_lists* lists, struct ncr_session_op_st* err(); goto fail; } + if (algo_is_hmac(sess->algorithm)) { - uint8_t vdigest[digest_size]; - - ret = ncr_data_item_getd( odata, vdigest, sizeof(vdigest), odata->flags); - if (ret < 0) { - err(); - goto fail; - } - if (digest_size != odata->data_size || - memcmp(vdigest, digest, digest_size) != 0) { - + memcmp(odata->data, digest, digest_size) != 0) { + op->err = NCR_VERIFICATION_FAILED; } else { op->err = NCR_SUCCESS; } } else { /* PK signature */ - ret = ncr_data_item_get_sg(odata, &osg, &osg_cnt, NULL, &osg_size, odata->flags, 0); - if (ret < 0) { - err(); - goto fail; - } - - ret = ncr_pk_cipher_verify(&sess->pk, osg, osg_cnt, osg_size, + ret = ncr_pk_cipher_verify(&sess->pk, odata->data, odata->data_size, digest, digest_size, &op->err); if (ret < 0) { err(); @@ -835,41 +760,22 @@ static int _ncr_session_final(struct ncr_lists* lists, struct ncr_session_op_st* ret = -EINVAL; goto fail; } - ret = cryptodev_hash_final(&sess->hash, digest); - if (ret < 0) { - err(); - goto fail; - } + ret = cryptodev_hash_final(&sess->hash, odata->data); + odata->data_size = digest_size; - ret = ncr_data_item_setd( odata, digest, digest_size, odata->flags); - if (ret < 0) { - err(); - goto fail; - } - cryptodev_hash_deinit(&sess->hash); if (sess->op != NCR_OP_DIGEST && !algo_is_hmac(sess->algorithm)) { - size_t new_size; - - ret = ncr_data_item_get_sg(odata, &osg, &osg_cnt, NULL, &osg_size, odata->flags, 1); - if (ret < 0) { - err(); - goto fail; - } - - new_size = osg_size; - /* PK signature */ - ret = ncr_pk_cipher_sign(&sess->pk, osg, osg_cnt, digest_size, - osg, osg_cnt, &new_size); + size_t new_size = odata->max_data_size; + ret = ncr_pk_cipher_sign(&sess->pk, odata->data, odata->data_size, + odata->data, &new_size); if (ret < 0) { err(); goto fail; } odata->data_size = new_size; } - break; default: err(); @@ -880,10 +786,7 @@ static int _ncr_session_final(struct ncr_lists* lists, struct ncr_session_op_st* ret = 0; fail: - if (odata) { - ncr_data_item_put_sg(odata); - _ncr_data_item_put(odata); - } + if (odata) _ncr_data_item_put(odata); cryptodev_hash_deinit(&sess->hash); if (algo_is_symmetric(sess->algorithm)) { cryptodev_cipher_deinit(&sess->cipher); @@ -63,17 +63,8 @@ typedef enum { typedef int ncr_data_t; #define NCR_DATA_INVALID (ncr_data_t)(0) -typedef enum { - NCR_DATA_KERNEL, - NCR_DATA_USER, -} ncr_data_type_t; - -/* When initializing a data_t we can initialize it as a kernel data object - * or as an object that points to userspace data. - */ struct ncr_data_init_st { ncr_data_t desc; - ncr_data_type_t type; size_t max_object_size; unsigned int flags; void __user *initial_data; /* can be null */ @@ -84,6 +75,7 @@ struct ncr_data_st { ncr_data_t desc; void __user* data; size_t data_size; /* rw in get */ + unsigned int append_flag; /* only when used with NCRIO_DATA_SET */ }; #define NCRIO_DATA_INIT _IOWR('c', 200, struct ncr_data_init_st) @@ -191,7 +183,6 @@ struct ncr_key_info_st { struct ncr_key_data_st { ncr_key_t key; ncr_data_t data; - /* in case of import this will be used as key id */ uint8_t key_id[MAX_KEY_ID_SIZE]; size_t key_id_size; @@ -216,7 +207,7 @@ struct ncr_key_data_st { #define NCRIO_KEY_DEINIT _IOR ('c', 215, ncr_key_t) -/* Key wrap ioctls +/* FIXME key wrap ioctls */ struct ncr_key_wrap_st { ncr_wrap_algorithm_t algorithm; diff --git a/ncr_int.h b/ncr_int.h index 185b3a30f1d..111f23ccf27 100644 --- a/ncr_int.h +++ b/ncr_int.h @@ -30,7 +30,6 @@ struct session_item_st { ncr_session_t desc; }; -#define MAX_DATA_PAGES 64 struct data_item_st { struct list_head list; /* This object is not protected from concurrent access. @@ -38,21 +37,9 @@ struct data_item_st { * not an issue). */ + uint8_t* data; size_t data_size; size_t max_data_size; - - struct scatterlist _sg[MAX_DATA_PAGES]; /* do not access directly */ - union { - uint8_t* kernel; - struct { - uint8_t* __user ptr; - struct page *pg[MAX_DATA_PAGES]; - size_t pg_cnt; - atomic_t pg_used; - } user; - } data; - ncr_data_type_t type; - unsigned int flags; atomic_t refcnt; @@ -124,13 +111,6 @@ void ncr_data_list_deinit(struct list_sem_st*); struct data_item_st* ncr_data_item_get( struct list_sem_st* lst, ncr_data_t desc); void _ncr_data_item_put( struct data_item_st* item); -int ncr_data_item_get_sg( struct data_item_st* item, struct scatterlist** sg, - unsigned int *sg_cnt, size_t *data_size, size_t* max_data_size, unsigned int data_flags, int write); -void ncr_data_item_put_sg( struct data_item_st* item); -int ncr_data_item_setd( struct data_item_st* item, const void* data, size_t data_size, unsigned int data_flags); -int ncr_data_item_getd( struct data_item_st* item, void* data, size_t data_size, unsigned int data_flags); - - int ncr_key_init(struct list_sem_st*, void __user* arg); int ncr_key_deinit(struct list_sem_st*, void __user* arg); int ncr_key_export(struct list_sem_st* data_lst, |