551 lines
14 KiB
C
551 lines
14 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
#include <linux/crypto.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/printk.h>
|
||
|
|
|
||
|
|
#include <crypto/aes.h>
|
||
|
|
#include <crypto/skcipher.h>
|
||
|
|
#include <crypto/scatterwalk.h>
|
||
|
|
#include <crypto/ctr.h>
|
||
|
|
#include <crypto/internal/des.h>
|
||
|
|
#include <crypto/xts.h>
|
||
|
|
|
||
|
|
#include "nitrox_dev.h"
|
||
|
|
#include "nitrox_common.h"
|
||
|
|
#include "nitrox_req.h"
|
||
|
|
|
||
|
|
struct nitrox_cipher {
|
||
|
|
const char *name;
|
||
|
|
enum flexi_cipher value;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* supported cipher list
|
||
|
|
*/
|
||
|
|
static const struct nitrox_cipher flexi_cipher_table[] = {
|
||
|
|
{ "null", CIPHER_NULL },
|
||
|
|
{ "cbc(des3_ede)", CIPHER_3DES_CBC },
|
||
|
|
{ "ecb(des3_ede)", CIPHER_3DES_ECB },
|
||
|
|
{ "cbc(aes)", CIPHER_AES_CBC },
|
||
|
|
{ "ecb(aes)", CIPHER_AES_ECB },
|
||
|
|
{ "cfb(aes)", CIPHER_AES_CFB },
|
||
|
|
{ "rfc3686(ctr(aes))", CIPHER_AES_CTR },
|
||
|
|
{ "xts(aes)", CIPHER_AES_XTS },
|
||
|
|
{ "cts(cbc(aes))", CIPHER_AES_CBC_CTS },
|
||
|
|
{ NULL, CIPHER_INVALID }
|
||
|
|
};
|
||
|
|
|
||
|
|
static enum flexi_cipher flexi_cipher_type(const char *name)
|
||
|
|
{
|
||
|
|
const struct nitrox_cipher *cipher = flexi_cipher_table;
|
||
|
|
|
||
|
|
while (cipher->name) {
|
||
|
|
if (!strcmp(cipher->name, name))
|
||
|
|
break;
|
||
|
|
cipher++;
|
||
|
|
}
|
||
|
|
return cipher->value;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void free_src_sglist(struct skcipher_request *skreq)
|
||
|
|
{
|
||
|
|
struct nitrox_kcrypt_request *nkreq = skcipher_request_ctx(skreq);
|
||
|
|
|
||
|
|
kfree(nkreq->src);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void free_dst_sglist(struct skcipher_request *skreq)
|
||
|
|
{
|
||
|
|
struct nitrox_kcrypt_request *nkreq = skcipher_request_ctx(skreq);
|
||
|
|
|
||
|
|
kfree(nkreq->dst);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void nitrox_skcipher_callback(void *arg, int err)
|
||
|
|
{
|
||
|
|
struct skcipher_request *skreq = arg;
|
||
|
|
|
||
|
|
free_src_sglist(skreq);
|
||
|
|
free_dst_sglist(skreq);
|
||
|
|
if (err) {
|
||
|
|
pr_err_ratelimited("request failed status 0x%0x\n", err);
|
||
|
|
err = -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
skcipher_request_complete(skreq, err);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void nitrox_cbc_cipher_callback(void *arg, int err)
|
||
|
|
{
|
||
|
|
struct skcipher_request *skreq = arg;
|
||
|
|
struct nitrox_kcrypt_request *nkreq = skcipher_request_ctx(skreq);
|
||
|
|
struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(skreq);
|
||
|
|
int ivsize = crypto_skcipher_ivsize(cipher);
|
||
|
|
unsigned int start = skreq->cryptlen - ivsize;
|
||
|
|
|
||
|
|
if (err) {
|
||
|
|
nitrox_skcipher_callback(arg, err);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (nkreq->creq.ctrl.s.arg == ENCRYPT) {
|
||
|
|
scatterwalk_map_and_copy(skreq->iv, skreq->dst, start, ivsize,
|
||
|
|
0);
|
||
|
|
} else {
|
||
|
|
if (skreq->src != skreq->dst) {
|
||
|
|
scatterwalk_map_and_copy(skreq->iv, skreq->src, start,
|
||
|
|
ivsize, 0);
|
||
|
|
} else {
|
||
|
|
memcpy(skreq->iv, nkreq->iv_out, ivsize);
|
||
|
|
kfree(nkreq->iv_out);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
nitrox_skcipher_callback(arg, err);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_skcipher_init(struct crypto_skcipher *tfm)
|
||
|
|
{
|
||
|
|
struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(tfm);
|
||
|
|
struct crypto_ctx_hdr *chdr;
|
||
|
|
|
||
|
|
/* get the first device */
|
||
|
|
nctx->ndev = nitrox_get_first_device();
|
||
|
|
if (!nctx->ndev)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
/* allocate nitrox crypto context */
|
||
|
|
chdr = crypto_alloc_context(nctx->ndev);
|
||
|
|
if (!chdr) {
|
||
|
|
nitrox_put_device(nctx->ndev);
|
||
|
|
return -ENOMEM;
|
||
|
|
}
|
||
|
|
|
||
|
|
nctx->callback = nitrox_skcipher_callback;
|
||
|
|
nctx->chdr = chdr;
|
||
|
|
nctx->u.ctx_handle = (uintptr_t)((u8 *)chdr->vaddr +
|
||
|
|
sizeof(struct ctx_hdr));
|
||
|
|
crypto_skcipher_set_reqsize(tfm, crypto_skcipher_reqsize(tfm) +
|
||
|
|
sizeof(struct nitrox_kcrypt_request));
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_cbc_init(struct crypto_skcipher *tfm)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(tfm);
|
||
|
|
|
||
|
|
err = nitrox_skcipher_init(tfm);
|
||
|
|
if (err)
|
||
|
|
return err;
|
||
|
|
|
||
|
|
nctx->callback = nitrox_cbc_cipher_callback;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void nitrox_skcipher_exit(struct crypto_skcipher *tfm)
|
||
|
|
{
|
||
|
|
struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(tfm);
|
||
|
|
|
||
|
|
/* free the nitrox crypto context */
|
||
|
|
if (nctx->u.ctx_handle) {
|
||
|
|
struct flexi_crypto_context *fctx = nctx->u.fctx;
|
||
|
|
|
||
|
|
memzero_explicit(&fctx->crypto, sizeof(struct crypto_keys));
|
||
|
|
memzero_explicit(&fctx->auth, sizeof(struct auth_keys));
|
||
|
|
crypto_free_context((void *)nctx->chdr);
|
||
|
|
}
|
||
|
|
nitrox_put_device(nctx->ndev);
|
||
|
|
|
||
|
|
nctx->u.ctx_handle = 0;
|
||
|
|
nctx->ndev = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int nitrox_skcipher_setkey(struct crypto_skcipher *cipher,
|
||
|
|
int aes_keylen, const u8 *key,
|
||
|
|
unsigned int keylen)
|
||
|
|
{
|
||
|
|
struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher);
|
||
|
|
struct nitrox_crypto_ctx *nctx = crypto_tfm_ctx(tfm);
|
||
|
|
struct flexi_crypto_context *fctx;
|
||
|
|
union fc_ctx_flags *flags;
|
||
|
|
enum flexi_cipher cipher_type;
|
||
|
|
const char *name;
|
||
|
|
|
||
|
|
name = crypto_tfm_alg_name(tfm);
|
||
|
|
cipher_type = flexi_cipher_type(name);
|
||
|
|
if (unlikely(cipher_type == CIPHER_INVALID)) {
|
||
|
|
pr_err("unsupported cipher: %s\n", name);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* fill crypto context */
|
||
|
|
fctx = nctx->u.fctx;
|
||
|
|
flags = &fctx->flags;
|
||
|
|
flags->f = 0;
|
||
|
|
flags->w0.cipher_type = cipher_type;
|
||
|
|
flags->w0.aes_keylen = aes_keylen;
|
||
|
|
flags->w0.iv_source = IV_FROM_DPTR;
|
||
|
|
flags->f = cpu_to_be64(*(u64 *)&flags->w0);
|
||
|
|
/* copy the key to context */
|
||
|
|
memcpy(fctx->crypto.u.key, key, keylen);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_aes_setkey(struct crypto_skcipher *cipher, const u8 *key,
|
||
|
|
unsigned int keylen)
|
||
|
|
{
|
||
|
|
int aes_keylen;
|
||
|
|
|
||
|
|
aes_keylen = flexi_aes_keylen(keylen);
|
||
|
|
if (aes_keylen < 0)
|
||
|
|
return -EINVAL;
|
||
|
|
return nitrox_skcipher_setkey(cipher, aes_keylen, key, keylen);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int alloc_src_sglist(struct skcipher_request *skreq, int ivsize)
|
||
|
|
{
|
||
|
|
struct nitrox_kcrypt_request *nkreq = skcipher_request_ctx(skreq);
|
||
|
|
int nents = sg_nents(skreq->src) + 1;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
/* Allocate buffer to hold IV and input scatterlist array */
|
||
|
|
ret = alloc_src_req_buf(nkreq, nents, ivsize);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
nitrox_creq_copy_iv(nkreq->src, skreq->iv, ivsize);
|
||
|
|
nitrox_creq_set_src_sg(nkreq, nents, ivsize, skreq->src,
|
||
|
|
skreq->cryptlen);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int alloc_dst_sglist(struct skcipher_request *skreq, int ivsize)
|
||
|
|
{
|
||
|
|
struct nitrox_kcrypt_request *nkreq = skcipher_request_ctx(skreq);
|
||
|
|
int nents = sg_nents(skreq->dst) + 3;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
/* Allocate buffer to hold ORH, COMPLETION and output scatterlist
|
||
|
|
* array
|
||
|
|
*/
|
||
|
|
ret = alloc_dst_req_buf(nkreq, nents);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
nitrox_creq_set_orh(nkreq);
|
||
|
|
nitrox_creq_set_comp(nkreq);
|
||
|
|
nitrox_creq_set_dst_sg(nkreq, nents, ivsize, skreq->dst,
|
||
|
|
skreq->cryptlen);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_skcipher_crypt(struct skcipher_request *skreq, bool enc)
|
||
|
|
{
|
||
|
|
struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(skreq);
|
||
|
|
struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(cipher);
|
||
|
|
struct nitrox_kcrypt_request *nkreq = skcipher_request_ctx(skreq);
|
||
|
|
int ivsize = crypto_skcipher_ivsize(cipher);
|
||
|
|
struct se_crypto_request *creq;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
creq = &nkreq->creq;
|
||
|
|
creq->flags = skreq->base.flags;
|
||
|
|
creq->gfp = (skreq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||
|
|
GFP_KERNEL : GFP_ATOMIC;
|
||
|
|
|
||
|
|
/* fill the request */
|
||
|
|
creq->ctrl.value = 0;
|
||
|
|
creq->opcode = FLEXI_CRYPTO_ENCRYPT_HMAC;
|
||
|
|
creq->ctrl.s.arg = (enc ? ENCRYPT : DECRYPT);
|
||
|
|
/* param0: length of the data to be encrypted */
|
||
|
|
creq->gph.param0 = cpu_to_be16(skreq->cryptlen);
|
||
|
|
creq->gph.param1 = 0;
|
||
|
|
/* param2: encryption data offset */
|
||
|
|
creq->gph.param2 = cpu_to_be16(ivsize);
|
||
|
|
creq->gph.param3 = 0;
|
||
|
|
|
||
|
|
creq->ctx_handle = nctx->u.ctx_handle;
|
||
|
|
creq->ctrl.s.ctxl = sizeof(struct flexi_crypto_context);
|
||
|
|
|
||
|
|
ret = alloc_src_sglist(skreq, ivsize);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
ret = alloc_dst_sglist(skreq, ivsize);
|
||
|
|
if (ret) {
|
||
|
|
free_src_sglist(skreq);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* send the crypto request */
|
||
|
|
return nitrox_process_se_request(nctx->ndev, creq, nctx->callback,
|
||
|
|
skreq);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_cbc_decrypt(struct skcipher_request *skreq)
|
||
|
|
{
|
||
|
|
struct nitrox_kcrypt_request *nkreq = skcipher_request_ctx(skreq);
|
||
|
|
struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(skreq);
|
||
|
|
int ivsize = crypto_skcipher_ivsize(cipher);
|
||
|
|
gfp_t flags = (skreq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||
|
|
GFP_KERNEL : GFP_ATOMIC;
|
||
|
|
unsigned int start = skreq->cryptlen - ivsize;
|
||
|
|
|
||
|
|
if (skreq->src != skreq->dst)
|
||
|
|
return nitrox_skcipher_crypt(skreq, false);
|
||
|
|
|
||
|
|
nkreq->iv_out = kmalloc(ivsize, flags);
|
||
|
|
if (!nkreq->iv_out)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
scatterwalk_map_and_copy(nkreq->iv_out, skreq->src, start, ivsize, 0);
|
||
|
|
return nitrox_skcipher_crypt(skreq, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_aes_encrypt(struct skcipher_request *skreq)
|
||
|
|
{
|
||
|
|
return nitrox_skcipher_crypt(skreq, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_aes_decrypt(struct skcipher_request *skreq)
|
||
|
|
{
|
||
|
|
return nitrox_skcipher_crypt(skreq, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_3des_setkey(struct crypto_skcipher *cipher,
|
||
|
|
const u8 *key, unsigned int keylen)
|
||
|
|
{
|
||
|
|
return verify_skcipher_des3_key(cipher, key) ?:
|
||
|
|
nitrox_skcipher_setkey(cipher, 0, key, keylen);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_3des_encrypt(struct skcipher_request *skreq)
|
||
|
|
{
|
||
|
|
return nitrox_skcipher_crypt(skreq, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_3des_decrypt(struct skcipher_request *skreq)
|
||
|
|
{
|
||
|
|
return nitrox_skcipher_crypt(skreq, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_aes_xts_setkey(struct crypto_skcipher *cipher,
|
||
|
|
const u8 *key, unsigned int keylen)
|
||
|
|
{
|
||
|
|
struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(cipher);
|
||
|
|
struct flexi_crypto_context *fctx;
|
||
|
|
int aes_keylen, ret;
|
||
|
|
|
||
|
|
ret = xts_verify_key(cipher, key, keylen);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
keylen /= 2;
|
||
|
|
|
||
|
|
aes_keylen = flexi_aes_keylen(keylen);
|
||
|
|
if (aes_keylen < 0)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
fctx = nctx->u.fctx;
|
||
|
|
/* copy KEY2 */
|
||
|
|
memcpy(fctx->auth.u.key2, (key + keylen), keylen);
|
||
|
|
|
||
|
|
return nitrox_skcipher_setkey(cipher, aes_keylen, key, keylen);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nitrox_aes_ctr_rfc3686_setkey(struct crypto_skcipher *cipher,
|
||
|
|
const u8 *key, unsigned int keylen)
|
||
|
|
{
|
||
|
|
struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(cipher);
|
||
|
|
struct flexi_crypto_context *fctx;
|
||
|
|
int aes_keylen;
|
||
|
|
|
||
|
|
if (keylen < CTR_RFC3686_NONCE_SIZE)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
fctx = nctx->u.fctx;
|
||
|
|
|
||
|
|
memcpy(fctx->crypto.iv, key + (keylen - CTR_RFC3686_NONCE_SIZE),
|
||
|
|
CTR_RFC3686_NONCE_SIZE);
|
||
|
|
|
||
|
|
keylen -= CTR_RFC3686_NONCE_SIZE;
|
||
|
|
|
||
|
|
aes_keylen = flexi_aes_keylen(keylen);
|
||
|
|
if (aes_keylen < 0)
|
||
|
|
return -EINVAL;
|
||
|
|
return nitrox_skcipher_setkey(cipher, aes_keylen, key, keylen);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct skcipher_alg nitrox_skciphers[] = { {
|
||
|
|
.base = {
|
||
|
|
.cra_name = "cbc(aes)",
|
||
|
|
.cra_driver_name = "n5_cbc(aes)",
|
||
|
|
.cra_priority = PRIO,
|
||
|
|
.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
|
||
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
||
|
|
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||
|
|
.cra_alignmask = 0,
|
||
|
|
.cra_module = THIS_MODULE,
|
||
|
|
},
|
||
|
|
.min_keysize = AES_MIN_KEY_SIZE,
|
||
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
||
|
|
.ivsize = AES_BLOCK_SIZE,
|
||
|
|
.setkey = nitrox_aes_setkey,
|
||
|
|
.encrypt = nitrox_aes_encrypt,
|
||
|
|
.decrypt = nitrox_cbc_decrypt,
|
||
|
|
.init = nitrox_cbc_init,
|
||
|
|
.exit = nitrox_skcipher_exit,
|
||
|
|
}, {
|
||
|
|
.base = {
|
||
|
|
.cra_name = "ecb(aes)",
|
||
|
|
.cra_driver_name = "n5_ecb(aes)",
|
||
|
|
.cra_priority = PRIO,
|
||
|
|
.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
|
||
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
||
|
|
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||
|
|
.cra_alignmask = 0,
|
||
|
|
.cra_module = THIS_MODULE,
|
||
|
|
},
|
||
|
|
.min_keysize = AES_MIN_KEY_SIZE,
|
||
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
||
|
|
.ivsize = AES_BLOCK_SIZE,
|
||
|
|
.setkey = nitrox_aes_setkey,
|
||
|
|
.encrypt = nitrox_aes_encrypt,
|
||
|
|
.decrypt = nitrox_aes_decrypt,
|
||
|
|
.init = nitrox_skcipher_init,
|
||
|
|
.exit = nitrox_skcipher_exit,
|
||
|
|
}, {
|
||
|
|
.base = {
|
||
|
|
.cra_name = "cfb(aes)",
|
||
|
|
.cra_driver_name = "n5_cfb(aes)",
|
||
|
|
.cra_priority = PRIO,
|
||
|
|
.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
|
||
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
||
|
|
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||
|
|
.cra_alignmask = 0,
|
||
|
|
.cra_module = THIS_MODULE,
|
||
|
|
},
|
||
|
|
.min_keysize = AES_MIN_KEY_SIZE,
|
||
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
||
|
|
.ivsize = AES_BLOCK_SIZE,
|
||
|
|
.setkey = nitrox_aes_setkey,
|
||
|
|
.encrypt = nitrox_aes_encrypt,
|
||
|
|
.decrypt = nitrox_aes_decrypt,
|
||
|
|
.init = nitrox_skcipher_init,
|
||
|
|
.exit = nitrox_skcipher_exit,
|
||
|
|
}, {
|
||
|
|
.base = {
|
||
|
|
.cra_name = "xts(aes)",
|
||
|
|
.cra_driver_name = "n5_xts(aes)",
|
||
|
|
.cra_priority = PRIO,
|
||
|
|
.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
|
||
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
||
|
|
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||
|
|
.cra_alignmask = 0,
|
||
|
|
.cra_module = THIS_MODULE,
|
||
|
|
},
|
||
|
|
.min_keysize = 2 * AES_MIN_KEY_SIZE,
|
||
|
|
.max_keysize = 2 * AES_MAX_KEY_SIZE,
|
||
|
|
.ivsize = AES_BLOCK_SIZE,
|
||
|
|
.setkey = nitrox_aes_xts_setkey,
|
||
|
|
.encrypt = nitrox_aes_encrypt,
|
||
|
|
.decrypt = nitrox_aes_decrypt,
|
||
|
|
.init = nitrox_skcipher_init,
|
||
|
|
.exit = nitrox_skcipher_exit,
|
||
|
|
}, {
|
||
|
|
.base = {
|
||
|
|
.cra_name = "rfc3686(ctr(aes))",
|
||
|
|
.cra_driver_name = "n5_rfc3686(ctr(aes))",
|
||
|
|
.cra_priority = PRIO,
|
||
|
|
.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
|
||
|
|
.cra_blocksize = 1,
|
||
|
|
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||
|
|
.cra_alignmask = 0,
|
||
|
|
.cra_module = THIS_MODULE,
|
||
|
|
},
|
||
|
|
.min_keysize = AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
|
||
|
|
.max_keysize = AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
|
||
|
|
.ivsize = CTR_RFC3686_IV_SIZE,
|
||
|
|
.init = nitrox_skcipher_init,
|
||
|
|
.exit = nitrox_skcipher_exit,
|
||
|
|
.setkey = nitrox_aes_ctr_rfc3686_setkey,
|
||
|
|
.encrypt = nitrox_aes_encrypt,
|
||
|
|
.decrypt = nitrox_aes_decrypt,
|
||
|
|
}, {
|
||
|
|
.base = {
|
||
|
|
.cra_name = "cts(cbc(aes))",
|
||
|
|
.cra_driver_name = "n5_cts(cbc(aes))",
|
||
|
|
.cra_priority = PRIO,
|
||
|
|
.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
|
||
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
||
|
|
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||
|
|
.cra_alignmask = 0,
|
||
|
|
.cra_module = THIS_MODULE,
|
||
|
|
},
|
||
|
|
.min_keysize = AES_MIN_KEY_SIZE,
|
||
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
||
|
|
.ivsize = AES_BLOCK_SIZE,
|
||
|
|
.setkey = nitrox_aes_setkey,
|
||
|
|
.encrypt = nitrox_aes_encrypt,
|
||
|
|
.decrypt = nitrox_aes_decrypt,
|
||
|
|
.init = nitrox_skcipher_init,
|
||
|
|
.exit = nitrox_skcipher_exit,
|
||
|
|
}, {
|
||
|
|
.base = {
|
||
|
|
.cra_name = "cbc(des3_ede)",
|
||
|
|
.cra_driver_name = "n5_cbc(des3_ede)",
|
||
|
|
.cra_priority = PRIO,
|
||
|
|
.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
|
||
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
||
|
|
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||
|
|
.cra_alignmask = 0,
|
||
|
|
.cra_module = THIS_MODULE,
|
||
|
|
},
|
||
|
|
.min_keysize = DES3_EDE_KEY_SIZE,
|
||
|
|
.max_keysize = DES3_EDE_KEY_SIZE,
|
||
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
||
|
|
.setkey = nitrox_3des_setkey,
|
||
|
|
.encrypt = nitrox_3des_encrypt,
|
||
|
|
.decrypt = nitrox_cbc_decrypt,
|
||
|
|
.init = nitrox_cbc_init,
|
||
|
|
.exit = nitrox_skcipher_exit,
|
||
|
|
}, {
|
||
|
|
.base = {
|
||
|
|
.cra_name = "ecb(des3_ede)",
|
||
|
|
.cra_driver_name = "n5_ecb(des3_ede)",
|
||
|
|
.cra_priority = PRIO,
|
||
|
|
.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
|
||
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
||
|
|
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||
|
|
.cra_alignmask = 0,
|
||
|
|
.cra_module = THIS_MODULE,
|
||
|
|
},
|
||
|
|
.min_keysize = DES3_EDE_KEY_SIZE,
|
||
|
|
.max_keysize = DES3_EDE_KEY_SIZE,
|
||
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
||
|
|
.setkey = nitrox_3des_setkey,
|
||
|
|
.encrypt = nitrox_3des_encrypt,
|
||
|
|
.decrypt = nitrox_3des_decrypt,
|
||
|
|
.init = nitrox_skcipher_init,
|
||
|
|
.exit = nitrox_skcipher_exit,
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
int nitrox_register_skciphers(void)
|
||
|
|
{
|
||
|
|
return crypto_register_skciphers(nitrox_skciphers,
|
||
|
|
ARRAY_SIZE(nitrox_skciphers));
|
||
|
|
}
|
||
|
|
|
||
|
|
void nitrox_unregister_skciphers(void)
|
||
|
|
{
|
||
|
|
crypto_unregister_skciphers(nitrox_skciphers,
|
||
|
|
ARRAY_SIZE(nitrox_skciphers));
|
||
|
|
}
|