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ltq-deu_v6.patch
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diff -ruN a/package/kernel/lantiq/ltq-deu/src/ifxmips_aes.c b/package/kernel/lantiq/ltq-deu/src/ifxmips_aes.c
--- a/package/kernel/lantiq/ltq-deu/src/ifxmips_aes.c 2021-04-13 15:58:26.750900129 +0200
+++ b/package/kernel/lantiq/ltq-deu/src/ifxmips_aes.c 2021-04-19 14:47:21.220903249 +0200
@@ -38,7 +38,6 @@
\brief IFX AES driver Functions
*/
-
/* Project Header Files */
#if defined(CONFIG_MODVERSIONS)
#define MODVERSIONS
@@ -57,6 +56,7 @@
#include <linux/delay.h>
#include <asm/byteorder.h>
#include <crypto/algapi.h>
+#include <crypto/internal/skcipher.h>
#include "ifxmips_deu.h"
@@ -118,6 +118,24 @@
extern int disable_deudma;
extern int disable_multiblock;
+static int aes_initialized = 0;
+
+int aes_init(struct crypto_tfm *tfm)
+{
+ volatile struct aes_t *aes = (volatile struct aes_t *) AES_START;
+ // start crypto engine with write to ILR
+ if (!aes_initialized) {
+ aes->controlr.SM = 1;
+ aes->controlr.NDC = 1;
+ asm("sync");
+ aes->controlr.ENDI = 1;
+ asm("sync");
+ aes->controlr.ARS = 0;
+ aes_initialized = 1;
+ }
+
+ return 0;
+}
/*! \fn int aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len)
* \ingroup IFX_AES_FUNCTIONS
@@ -130,14 +148,12 @@
int aes_set_key (struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len)
{
struct aes_ctx *ctx = crypto_tfm_ctx(tfm);
- unsigned long *flags = (unsigned long *) &tfm->crt_flags;
//printk("set_key in %s\n", __FILE__);
//aes_chip_init();
if (key_len != 16 && key_len != 24 && key_len != 32) {
- *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
return -EINVAL;
}
@@ -148,6 +164,19 @@
return 0;
}
+/*! \fn int aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len)
+ * \ingroup IFX_AES_FUNCTIONS
+ * \brief sets the AES keys
+ * \param tfm linux crypto algo transform
+ * \param in_key input key
+ * \param key_len key lengths of 16, 24 and 32 bytes supported
+ * \return -EINVAL - bad key length, 0 - SUCCESS
+*/
+int aes_set_key_skcipher (struct crypto_skcipher *tfm, const u8 *in_key, unsigned int key_len)
+{
+ return aes_set_key(crypto_skcipher_tfm(tfm), in_key, key_len);
+}
+
/*! \fn void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, size_t nbytes, int encdec, int mode)
* \ingroup IFX_AES_FUNCTIONS
@@ -181,28 +210,28 @@
/* 128, 192 or 256 bit key length */
aes->controlr.K = key_len / 8 - 2;
if (key_len == 128 / 8) {
- aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0));
- aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1));
- aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2));
- aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3));
+ aes->K3R = (*((u32 *) in_key + 0));
+ aes->K2R = (*((u32 *) in_key + 1));
+ aes->K1R = (*((u32 *) in_key + 2));
+ aes->K0R = (*((u32 *) in_key + 3));
}
else if (key_len == 192 / 8) {
- aes->K5R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0));
- aes->K4R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1));
- aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2));
- aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3));
- aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 4));
- aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 5));
+ aes->K5R = (*((u32 *) in_key + 0));
+ aes->K4R = (*((u32 *) in_key + 1));
+ aes->K3R = (*((u32 *) in_key + 2));
+ aes->K2R = (*((u32 *) in_key + 3));
+ aes->K1R = (*((u32 *) in_key + 4));
+ aes->K0R = (*((u32 *) in_key + 5));
}
else if (key_len == 256 / 8) {
- aes->K7R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0));
- aes->K6R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1));
- aes->K5R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2));
- aes->K4R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3));
- aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 4));
- aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 5));
- aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 6));
- aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 7));
+ aes->K7R = (*((u32 *) in_key + 0));
+ aes->K6R = (*((u32 *) in_key + 1));
+ aes->K5R = (*((u32 *) in_key + 2));
+ aes->K4R = (*((u32 *) in_key + 3));
+ aes->K3R = (*((u32 *) in_key + 4));
+ aes->K2R = (*((u32 *) in_key + 5));
+ aes->K1R = (*((u32 *) in_key + 6));
+ aes->K0R = (*((u32 *) in_key + 7));
}
else {
printk (KERN_ERR "[%s %s %d]: Invalid key_len : %d\n", __FILE__, __func__, __LINE__, key_len);
@@ -215,35 +244,34 @@
checked in decryption routine! */
aes->controlr.PNK = 1;
-
aes->controlr.E_D = !encdec; //encryption
aes->controlr.O = mode; //0 ECB 1 CBC 2 OFB 3 CFB 4 CTR
//aes->controlr.F = 128; //default; only for CFB and OFB modes; change only for customer-specific apps
if (mode > 0) {
- aes->IV3R = DEU_ENDIAN_SWAP(*(u32 *) iv_arg);
- aes->IV2R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 1));
- aes->IV1R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 2));
- aes->IV0R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 3));
+ aes->IV3R = (*(u32 *) iv_arg);
+ aes->IV2R = (*((u32 *) iv_arg + 1));
+ aes->IV1R = (*((u32 *) iv_arg + 2));
+ aes->IV0R = (*((u32 *) iv_arg + 3));
};
i = 0;
while (byte_cnt >= 16) {
- aes->ID3R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 0));
- aes->ID2R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 1));
- aes->ID1R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 2));
- aes->ID0R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 3)); /* start crypto */
+ aes->ID3R = (*((u32 *) in_arg + (i * 4) + 0));
+ aes->ID2R = (*((u32 *) in_arg + (i * 4) + 1));
+ aes->ID1R = (*((u32 *) in_arg + (i * 4) + 2));
+ aes->ID0R = (*((u32 *) in_arg + (i * 4) + 3)); /* start crypto */
while (aes->controlr.BUS) {
// this will not take long
}
- *((volatile u32 *) out_arg + (i * 4) + 0) = aes->OD3R;
- *((volatile u32 *) out_arg + (i * 4) + 1) = aes->OD2R;
- *((volatile u32 *) out_arg + (i * 4) + 2) = aes->OD1R;
- *((volatile u32 *) out_arg + (i * 4) + 3) = aes->OD0R;
+ *((volatile u32 *) out_arg + (i * 4) + 0) = (aes->OD3R);
+ *((volatile u32 *) out_arg + (i * 4) + 1) = (aes->OD2R);
+ *((volatile u32 *) out_arg + (i * 4) + 2) = (aes->OD1R);
+ *((volatile u32 *) out_arg + (i * 4) + 3) = (aes->OD0R);
i++;
byte_cnt -= 16;
@@ -251,18 +279,18 @@
/* To handle all non-aligned bytes (not aligned to 16B size) */
if (byte_cnt) {
- aes->ID3R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 0));
- aes->ID2R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 1));
- aes->ID1R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 2));
- aes->ID0R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 3)); /* start crypto */
+ aes->ID3R = (*((u32 *) in_arg + (i * 4) + 0));
+ aes->ID2R = (*((u32 *) in_arg + (i * 4) + 1));
+ aes->ID1R = (*((u32 *) in_arg + (i * 4) + 2));
+ aes->ID0R = (*((u32 *) in_arg + (i * 4) + 3)); /* start crypto */
while (aes->controlr.BUS) {
}
- *((volatile u32 *) out_arg + (i * 4) + 0) = aes->OD3R;
- *((volatile u32 *) out_arg + (i * 4) + 1) = aes->OD2R;
- *((volatile u32 *) out_arg + (i * 4) + 2) = aes->OD1R;
- *((volatile u32 *) out_arg + (i * 4) + 3) = aes->OD0R;
+ *((volatile u32 *) out_arg + (i * 4) + 0) = (aes->OD3R);
+ *((volatile u32 *) out_arg + (i * 4) + 1) = (aes->OD2R);
+ *((volatile u32 *) out_arg + (i * 4) + 2) = (aes->OD1R);
+ *((volatile u32 *) out_arg + (i * 4) + 3) = (aes->OD0R);
/* to ensure that the extended pages are clean */
memset (out_arg + (i * 16) + (nbytes % AES_BLOCK_SIZE), 0,
@@ -272,10 +300,10 @@
//tc.chen : copy iv_arg back
if (mode > 0) {
- *((u32 *) iv_arg) = DEU_ENDIAN_SWAP(aes->IV3R);
- *((u32 *) iv_arg + 1) = DEU_ENDIAN_SWAP(aes->IV2R);
- *((u32 *) iv_arg + 2) = DEU_ENDIAN_SWAP(aes->IV1R);
- *((u32 *) iv_arg + 3) = DEU_ENDIAN_SWAP(aes->IV0R);
+ *((u32 *) iv_arg) = (aes->IV3R);
+ *((u32 *) iv_arg + 1) = (aes->IV2R);
+ *((u32 *) iv_arg + 2) = (aes->IV1R);
+ *((u32 *) iv_arg + 3) = (aes->IV0R);
}
CRTCL_SECT_END;
@@ -294,7 +322,6 @@
int ctr_rfc3686_aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len)
{
struct aes_ctx *ctx = crypto_tfm_ctx(tfm);
- unsigned long *flags = (unsigned long *)&tfm->crt_flags;
//printk("ctr_rfc3686_aes_set_key in %s\n", __FILE__);
@@ -304,7 +331,6 @@
key_len -= CTR_RFC3686_NONCE_SIZE; // remove 4 bytes of nonce
if (key_len != 16 && key_len != 24 && key_len != 32) {
- *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
return -EINVAL;
}
@@ -315,6 +341,22 @@
return 0;
}
+/*!
+ * \fn int ctr_rfc3686_aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len)
+ * \ingroup IFX_AES_FUNCTIONS
+ * \brief sets RFC3686 key
+ * \param tfm linux crypto algo transform
+ * \param in_key input key
+ * \param key_len key lengths of 20, 28 and 36 bytes supported; last 4 bytes is nonce
+ * \return 0 - SUCCESS
+ * -EINVAL - bad key length
+*/
+int ctr_rfc3686_aes_set_key_skcipher (struct crypto_skcipher *tfm, const uint8_t *in_key, unsigned int key_len)
+{
+ return ctr_rfc3686_aes_set_key(crypto_skcipher_tfm(tfm), in_key, key_len);
+}
+
+
/*! \fn void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode)
* \ingroup IFX_AES_FUNCTIONS
* \brief main interface with deu hardware in DMA mode
@@ -456,11 +498,12 @@
.cra_name = "aes",
.cra_driver_name = "ifxdeu-aes",
.cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct aes_ctx),
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(ifxdeu_aes_alg.cra_list),
+ .cra_init = aes_init,
.cra_u = {
.cipher = {
.cia_min_keysize = AES_MIN_KEY_SIZE,
@@ -481,24 +524,20 @@
* \param nbytes data size in bytes
* \return err
*/
-int ecb_aes_encrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst, struct scatterlist *src,
- unsigned int nbytes)
+int ecb_aes_encrypt(struct skcipher_request *req)
{
- struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
+ struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct skcipher_walk walk;
int err;
unsigned int enc_bytes;
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
+ err = skcipher_walk_virt(&walk, req, false);
- while ((nbytes = enc_bytes = walk.nbytes)) {
- enc_bytes -= (nbytes % AES_BLOCK_SIZE);
+ while ((enc_bytes = walk.nbytes)) {
ifx_deu_aes_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr,
NULL, enc_bytes, CRYPTO_DIR_ENCRYPT, 0);
- nbytes &= AES_BLOCK_SIZE - 1;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ enc_bytes &= AES_BLOCK_SIZE - 1;
+ err = skcipher_walk_done(&walk, enc_bytes);
}
return err;
@@ -513,24 +552,20 @@
* \param nbytes data size in bytes
* \return err
*/
-int ecb_aes_decrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst, struct scatterlist *src,
- unsigned int nbytes)
+int ecb_aes_decrypt(struct skcipher_request *req)
{
- struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
+ struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct skcipher_walk walk;
int err;
unsigned int dec_bytes;
+
+ err = skcipher_walk_virt(&walk, req, false);
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
-
- while ((nbytes = dec_bytes = walk.nbytes)) {
- dec_bytes -= (nbytes % AES_BLOCK_SIZE);
+ while ((dec_bytes = walk.nbytes)) {
ifx_deu_aes_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr,
NULL, dec_bytes, CRYPTO_DIR_DECRYPT, 0);
- nbytes &= AES_BLOCK_SIZE - 1;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ dec_bytes &= AES_BLOCK_SIZE - 1;
+ err = skcipher_walk_done(&walk, dec_bytes);
}
return err;
@@ -539,25 +574,21 @@
/*
* \brief AES function mappings
*/
-struct crypto_alg ifxdeu_ecb_aes_alg = {
- .cra_name = "ecb(aes)",
- .cra_driver_name = "ifxdeu-ecb(aes)",
- .cra_priority = 400,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct aes_ctx),
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_aes_alg.cra_list),
- .cra_u = {
- .blkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .setkey = aes_set_key,
- .encrypt = ecb_aes_encrypt,
- .decrypt = ecb_aes_decrypt,
- }
- }
+struct skcipher_alg ifxdeu_ecb_aes_alg = {
+ .base.cra_name = "ecb(aes)",
+ .base.cra_driver_name = "ifxdeu-ecb(aes)",
+ .base.cra_priority = 400,
+ .base.cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct aes_ctx),
+ .base.cra_module = THIS_MODULE,
+ .base.cra_list = LIST_HEAD_INIT(ifxdeu_ecb_aes_alg.base.cra_list),
+ .base.cra_init = aes_init,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = aes_set_key_skcipher,
+ .encrypt = ecb_aes_encrypt,
+ .decrypt = ecb_aes_decrypt,
};
@@ -570,25 +601,21 @@
* \param nbytes data size in bytes
* \return err
*/
-int cbc_aes_encrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst, struct scatterlist *src,
- unsigned int nbytes)
+int cbc_aes_encrypt(struct skcipher_request *req)
{
- struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
+ struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct skcipher_walk walk;
int err;
unsigned int enc_bytes;
+
+ err = skcipher_walk_virt(&walk, req, false);
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
-
- while ((nbytes = enc_bytes = walk.nbytes)) {
+ while ((enc_bytes = walk.nbytes)) {
u8 *iv = walk.iv;
- enc_bytes -= (nbytes % AES_BLOCK_SIZE);
ifx_deu_aes_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr,
iv, enc_bytes, CRYPTO_DIR_ENCRYPT, 0);
- nbytes &= AES_BLOCK_SIZE - 1;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ enc_bytes &= AES_BLOCK_SIZE - 1;
+ err = skcipher_walk_done(&walk, enc_bytes);
}
return err;
@@ -603,25 +630,21 @@
* \param nbytes data size in bytes
* \return err
*/
-int cbc_aes_decrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst, struct scatterlist *src,
- unsigned int nbytes)
+int cbc_aes_decrypt(struct skcipher_request *req)
{
- struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
+ struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct skcipher_walk walk;
int err;
unsigned int dec_bytes;
+
+ err = skcipher_walk_virt(&walk, req, false);
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
-
- while ((nbytes = dec_bytes = walk.nbytes)) {
+ while ((dec_bytes = walk.nbytes)) {
u8 *iv = walk.iv;
- dec_bytes -= (nbytes % AES_BLOCK_SIZE);
ifx_deu_aes_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr,
iv, dec_bytes, CRYPTO_DIR_DECRYPT, 0);
- nbytes &= AES_BLOCK_SIZE - 1;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ dec_bytes &= AES_BLOCK_SIZE - 1;
+ err = skcipher_walk_done(&walk, dec_bytes);
}
return err;
@@ -630,26 +653,22 @@
/*
* \brief AES function mappings
*/
-struct crypto_alg ifxdeu_cbc_aes_alg = {
- .cra_name = "cbc(aes)",
- .cra_driver_name = "ifxdeu-cbc(aes)",
- .cra_priority = 400,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct aes_ctx),
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(ifxdeu_cbc_aes_alg.cra_list),
- .cra_u = {
- .blkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = aes_set_key,
- .encrypt = cbc_aes_encrypt,
- .decrypt = cbc_aes_decrypt,
- }
- }
+struct skcipher_alg ifxdeu_cbc_aes_alg = {
+ .base.cra_name = "cbc(aes)",
+ .base.cra_driver_name = "ifxdeu-cbc(aes)",
+ .base.cra_priority = 400,
+ .base.cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct aes_ctx),
+ .base.cra_module = THIS_MODULE,
+ .base.cra_list = LIST_HEAD_INIT(ifxdeu_cbc_aes_alg.base.cra_list),
+ .base.cra_init = aes_init,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = aes_set_key_skcipher,
+ .encrypt = cbc_aes_encrypt,
+ .decrypt = cbc_aes_decrypt,
};
@@ -662,25 +681,21 @@
* \param nbytes data size in bytes
* \return err
*/
-int ctr_basic_aes_encrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst, struct scatterlist *src,
- unsigned int nbytes)
+int ctr_basic_aes_encrypt(struct skcipher_request *req)
{
- struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
+ struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct skcipher_walk walk;
int err;
unsigned int enc_bytes;
+
+ err = skcipher_walk_virt(&walk, req, false);
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
-
- while ((nbytes = enc_bytes = walk.nbytes)) {
+ while ((enc_bytes = walk.nbytes)) {
u8 *iv = walk.iv;
- enc_bytes -= (nbytes % AES_BLOCK_SIZE);
ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr,
iv, enc_bytes, CRYPTO_DIR_ENCRYPT, 0);
- nbytes &= AES_BLOCK_SIZE - 1;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ enc_bytes &= AES_BLOCK_SIZE - 1;
+ err = skcipher_walk_done(&walk, enc_bytes);
}
return err;
@@ -695,25 +710,21 @@
* \param nbytes data size in bytes
* \return err
*/
-int ctr_basic_aes_decrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst, struct scatterlist *src,
- unsigned int nbytes)
+int ctr_basic_aes_decrypt(struct skcipher_request *req)
{
- struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
+ struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct skcipher_walk walk;
int err;
unsigned int dec_bytes;
+
+ err = skcipher_walk_virt(&walk, req, false);
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
-
- while ((nbytes = dec_bytes = walk.nbytes)) {
+ while ((dec_bytes = walk.nbytes)) {
u8 *iv = walk.iv;
- dec_bytes -= (nbytes % AES_BLOCK_SIZE);
ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr,
iv, dec_bytes, CRYPTO_DIR_DECRYPT, 0);
- nbytes &= AES_BLOCK_SIZE - 1;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ dec_bytes &= AES_BLOCK_SIZE - 1;
+ err = skcipher_walk_done(&walk, dec_bytes);
}
return err;
@@ -722,26 +733,22 @@
/*
* \brief AES function mappings
*/
-struct crypto_alg ifxdeu_ctr_basic_aes_alg = {
- .cra_name = "ctr(aes)",
- .cra_driver_name = "ifxdeu-ctr(aes)",
- .cra_priority = 400,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct aes_ctx),
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(ifxdeu_ctr_basic_aes_alg.cra_list),
- .cra_u = {
- .blkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = aes_set_key,
- .encrypt = ctr_basic_aes_encrypt,
- .decrypt = ctr_basic_aes_decrypt,
- }
- }
+struct skcipher_alg ifxdeu_ctr_basic_aes_alg = {
+ .base.cra_name = "ctr(aes)",
+ .base.cra_driver_name = "ifxdeu-ctr(aes)",
+ .base.cra_priority = 400,
+ .base.cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct aes_ctx),
+ .base.cra_module = THIS_MODULE,
+ .base.cra_list = LIST_HEAD_INIT(ifxdeu_ctr_basic_aes_alg.base.cra_list),
+ .base.cra_init = aes_init,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = aes_set_key_skcipher,
+ .encrypt = ctr_basic_aes_encrypt,
+ .decrypt = ctr_basic_aes_decrypt,
};
@@ -754,17 +761,17 @@
* \param nbytes data size in bytes
* \return err
*/
-int ctr_rfc3686_aes_encrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst, struct scatterlist *src,
- unsigned int nbytes)
-{
- struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
- int err, bsize = nbytes;
+int ctr_rfc3686_aes_encrypt(struct skcipher_request *req)
+{
+ struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct skcipher_walk walk;
+ unsigned int nbytes;
+ int err, bsize;
u8 rfc3686_iv[16];
-
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
+
+ err = skcipher_walk_virt(&walk, req, false);
+ nbytes = walk.nbytes;
+ bsize = nbytes;
/* set up counter block */
memcpy(rfc3686_iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE);
@@ -779,7 +786,7 @@
ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr,
rfc3686_iv, nbytes, CRYPTO_DIR_ENCRYPT, 0);
nbytes -= walk.nbytes;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ err = skcipher_walk_done(&walk, nbytes);
return err;
}
@@ -789,14 +796,14 @@
nbytes -= walk.nbytes;
bsize -= walk.nbytes;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ err = skcipher_walk_done(&walk, nbytes);
}
/* to handle remaining bytes < AES_BLOCK_SIZE */
if (walk.nbytes) {
ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr,
rfc3686_iv, walk.nbytes, CRYPTO_DIR_ENCRYPT, 0);
- err = blkcipher_walk_done(desc, &walk, 0);
+ err = skcipher_walk_done(&walk, 0);
}
return err;
@@ -811,17 +818,17 @@
* \param nbytes data size in bytes
* \return err
*/
-int ctr_rfc3686_aes_decrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst, struct scatterlist *src,
- unsigned int nbytes)
-{
- struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
- int err, bsize = nbytes;
+int ctr_rfc3686_aes_decrypt(struct skcipher_request *req)
+{
+ struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct skcipher_walk walk;
+ unsigned int nbytes;
+ int err, bsize;
u8 rfc3686_iv[16];
-
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
+
+ err = skcipher_walk_virt(&walk, req, false);
+ nbytes = walk.nbytes;
+ bsize = nbytes;
/* set up counter block */
memcpy(rfc3686_iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE);
@@ -836,7 +843,7 @@
ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr,
rfc3686_iv, nbytes, CRYPTO_DIR_ENCRYPT, 0);
nbytes -= walk.nbytes;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ err = skcipher_walk_done(&walk, nbytes);
return err;
}
@@ -846,14 +853,14 @@
nbytes -= walk.nbytes;
bsize -= walk.nbytes;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ err = skcipher_walk_done(&walk, nbytes);
}
/* to handle remaining bytes < AES_BLOCK_SIZE */
if (walk.nbytes) {
ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr,
rfc3686_iv, walk.nbytes, CRYPTO_DIR_ENCRYPT, 0);
- err = blkcipher_walk_done(desc, &walk, 0);
+ err = skcipher_walk_done(&walk, 0);
}
return err;
@@ -862,26 +869,22 @@
/*
* \brief AES function mappings
*/
-struct crypto_alg ifxdeu_ctr_rfc3686_aes_alg = {
- .cra_name = "rfc3686(ctr(aes))",
- .cra_driver_name = "ifxdeu-ctr-rfc3686(aes)",
- .cra_priority = 400,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct aes_ctx),
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(ifxdeu_ctr_rfc3686_aes_alg.cra_list),
- .cra_u = {
- .blkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = CTR_RFC3686_MAX_KEY_SIZE,
- .ivsize = CTR_RFC3686_IV_SIZE,
- .setkey = ctr_rfc3686_aes_set_key,
- .encrypt = ctr_rfc3686_aes_encrypt,
- .decrypt = ctr_rfc3686_aes_decrypt,
- }
- }
+struct skcipher_alg ifxdeu_ctr_rfc3686_aes_alg = {
+ .base.cra_name = "rfc3686(ctr(aes))",
+ .base.cra_driver_name = "ifxdeu-ctr-rfc3686(aes)",
+ .base.cra_priority = 400,
+ .base.cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct aes_ctx),
+ .base.cra_module = THIS_MODULE,
+ .base.cra_list = LIST_HEAD_INIT(ifxdeu_ctr_rfc3686_aes_alg.base.cra_list),
+ .base.cra_init = aes_init,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = CTR_RFC3686_MAX_KEY_SIZE,
+ .ivsize = CTR_RFC3686_IV_SIZE,
+ .setkey = ctr_rfc3686_aes_set_key_skcipher,
+ .encrypt = ctr_rfc3686_aes_encrypt,
+ .decrypt = ctr_rfc3686_aes_decrypt,
};
@@ -898,16 +901,16 @@
if ((ret = crypto_register_alg(&ifxdeu_aes_alg)))
goto aes_err;
- if ((ret = crypto_register_alg(&ifxdeu_ecb_aes_alg)))
+ if ((ret = crypto_register_skcipher(&ifxdeu_ecb_aes_alg)))
goto ecb_aes_err;
- if ((ret = crypto_register_alg(&ifxdeu_cbc_aes_alg)))
+ if ((ret = crypto_register_skcipher(&ifxdeu_cbc_aes_alg)))
goto cbc_aes_err;
- if ((ret = crypto_register_alg(&ifxdeu_ctr_basic_aes_alg)))
+ if ((ret = crypto_register_skcipher(&ifxdeu_ctr_basic_aes_alg)))
goto ctr_basic_aes_err;
- if ((ret = crypto_register_alg(&ifxdeu_ctr_rfc3686_aes_alg)))
+ if ((ret = crypto_register_skcipher(&ifxdeu_ctr_rfc3686_aes_alg)))
goto ctr_rfc3686_aes_err;
aes_chip_init ();
@@ -919,19 +922,19 @@
return ret;
ctr_rfc3686_aes_err:
- crypto_unregister_alg(&ifxdeu_ctr_rfc3686_aes_alg);
+ crypto_unregister_skcipher(&ifxdeu_ctr_rfc3686_aes_alg);
printk (KERN_ERR "IFX ctr_rfc3686_aes initialization failed!\n");
return ret;
ctr_basic_aes_err:
- crypto_unregister_alg(&ifxdeu_ctr_basic_aes_alg);
+ crypto_unregister_skcipher(&ifxdeu_ctr_basic_aes_alg);
printk (KERN_ERR "IFX ctr_basic_aes initialization failed!\n");
return ret;
cbc_aes_err:
- crypto_unregister_alg(&ifxdeu_cbc_aes_alg);
+ crypto_unregister_skcipher(&ifxdeu_cbc_aes_alg);
printk (KERN_ERR "IFX cbc_aes initialization failed!\n");
return ret;
ecb_aes_err:
- crypto_unregister_alg(&ifxdeu_ecb_aes_alg);
+ crypto_unregister_skcipher(&ifxdeu_ecb_aes_alg);
printk (KERN_ERR "IFX aes initialization failed!\n");
return ret;
aes_err:
@@ -947,10 +950,10 @@
void ifxdeu_fini_aes (void)
{
crypto_unregister_alg (&ifxdeu_aes_alg);
- crypto_unregister_alg (&ifxdeu_ecb_aes_alg);
- crypto_unregister_alg (&ifxdeu_cbc_aes_alg);
- crypto_unregister_alg (&ifxdeu_ctr_basic_aes_alg);
- crypto_unregister_alg (&ifxdeu_ctr_rfc3686_aes_alg);
+ crypto_unregister_skcipher (&ifxdeu_ecb_aes_alg);
+ crypto_unregister_skcipher (&ifxdeu_cbc_aes_alg);
+ crypto_unregister_skcipher (&ifxdeu_ctr_basic_aes_alg);
+ crypto_unregister_skcipher (&ifxdeu_ctr_rfc3686_aes_alg);
}
diff -ruN a/package/kernel/lantiq/ltq-deu/src/ifxmips_arc4.c b/package/kernel/lantiq/ltq-deu/src/ifxmips_arc4.c
--- a/package/kernel/lantiq/ltq-deu/src/ifxmips_arc4.c 2021-04-13 15:58:26.750900129 +0200
+++ b/package/kernel/lantiq/ltq-deu/src/ifxmips_arc4.c 2021-04-15 18:40:25.833173096 +0200
@@ -47,6 +47,7 @@
#include <linux/errno.h>
#include <linux/crypto.h>
#include <crypto/algapi.h>
+#include <crypto/internal/skcipher.h>
#include <linux/interrupt.h>
#include <asm/byteorder.h>
#include <linux/delay.h>
@@ -70,6 +71,7 @@
#define ARC4_MAX_KEY_SIZE 16
#define ARC4_BLOCK_SIZE 1
#define ARC4_START IFX_ARC4_CON
+
#ifdef CRYPTO_DEBUG
extern char debug_level;
#define DPRINTF(level, format, args...) if (level < debug_level) printk(KERN_INFO "[%s %s %d]: " format, __FILE__, __func__, __LINE__, ##args);
@@ -180,7 +182,7 @@
static int arc4_set_key(struct crypto_tfm *tfm, const u8 *inkey,
unsigned int key_len)
{
- //struct arc4_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct arc4_ctx *ctx = crypto_tfm_ctx(tfm);
volatile struct arc4_t *arc4 = (struct arc4_t *) ARC4_START;
u32 *in_key = (u32 *)inkey;
@@ -203,6 +205,19 @@
return 0;
}
+/*! \fn static int arc4_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len)
+ \ingroup IFX_ARC4_FUNCTIONS
+ \brief sets ARC4 key
+ \param tfm linux crypto algo transform
+ \param in_key input key
+ \param key_len key lengths less than or equal to 16 bytes supported
+*/
+static int arc4_set_key_skcipher(struct crypto_skcipher *tfm, const u8 *inkey,
+ unsigned int key_len)
+{
+ return arc4_set_key(crypto_skcipher_ctx(tfm), inkey, key_len);
+}
+
/*! \fn static void _deu_arc4_ecb(void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace)
\ingroup IFX_ARC4_FUNCTIONS
\brief sets ARC4 hardware to ECB mode
@@ -243,7 +258,7 @@
.cra_name = "arc4",
.cra_driver_name = "ifxdeu-arc4",
.cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = ARC4_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct arc4_ctx),
.cra_module = THIS_MODULE,
@@ -267,23 +282,21 @@
\param src input scatterlist
\param nbytes data size in bytes
*/
-static int ecb_arc4_encrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst, struct scatterlist *src,
- unsigned int nbytes)
+static int ecb_arc4_encrypt(struct skcipher_request *req)
{
- struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
+ struct arc4_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct skcipher_walk walk;
+ unsigned int nbytes;
int err;
DPRINTF(1, "\n");
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
+ err = skcipher_walk_virt(&walk, req, false);
while ((nbytes = walk.nbytes)) {
_deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr,
NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0);
nbytes &= ARC4_BLOCK_SIZE - 1;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ err = skcipher_walk_done(&walk, nbytes);
}
return err;
@@ -297,23 +310,21 @@
\param src input scatterlist
\param nbytes data size in bytes
*/
-static int ecb_arc4_decrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst, struct scatterlist *src,
- unsigned int nbytes)
+static int ecb_arc4_decrypt(struct skcipher_request *req)
{
- struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
+ struct arc4_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct skcipher_walk walk;
+ unsigned int nbytes;
int err;
DPRINTF(1, "\n");
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
+ err = skcipher_walk_virt(&walk, req, false);
while ((nbytes = walk.nbytes)) {
_deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr,
NULL, nbytes, CRYPTO_DIR_DECRYPT, 0);
nbytes &= ARC4_BLOCK_SIZE - 1;
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ err = skcipher_walk_done(&walk, nbytes);
}
return err;
@@ -322,25 +333,20 @@
/*
* \brief ARC4 function mappings
*/
-static struct crypto_alg ifxdeu_ecb_arc4_alg = {
- .cra_name = "ecb(arc4)",
- .cra_driver_name = "ifxdeu-ecb(arc4)",
- .cra_priority = 400,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
- .cra_blocksize = ARC4_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct arc4_ctx),
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_arc4_alg.cra_list),
- .cra_u = {
- .blkcipher = {
- .min_keysize = ARC4_MIN_KEY_SIZE,
- .max_keysize = ARC4_MAX_KEY_SIZE,
- .setkey = arc4_set_key,
- .encrypt = ecb_arc4_encrypt,
- .decrypt = ecb_arc4_decrypt,
- }
- }
+static struct skcipher_alg ifxdeu_ecb_arc4_alg = {
+ .base.cra_name = "ecb(arc4)",
+ .base.cra_driver_name = "ifxdeu-ecb(arc4)",
+ .base.cra_priority = 400,
+ .base.cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .base.cra_blocksize = ARC4_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct arc4_ctx),
+ .base.cra_module = THIS_MODULE,
+ .base.cra_list = LIST_HEAD_INIT(ifxdeu_ecb_arc4_alg.base.cra_list),
+ .min_keysize = ARC4_MIN_KEY_SIZE,
+ .max_keysize = ARC4_MAX_KEY_SIZE,
+ .setkey = arc4_set_key_skcipher,
+ .encrypt = ecb_arc4_encrypt,
+ .decrypt = ecb_arc4_decrypt,
};
/*! \fn int ifxdeu_init_arc4(void)
@@ -355,7 +361,7 @@
if ((ret = crypto_register_alg(&ifxdeu_arc4_alg)))
goto arc4_err;
- if ((ret = crypto_register_alg(&ifxdeu_ecb_arc4_alg)))
+ if ((ret = crypto_register_skcipher(&ifxdeu_ecb_arc4_alg)))
goto ecb_arc4_err;
arc4_chip_init ();
@@ -370,7 +376,7 @@
printk(KERN_ERR "IFX arc4 initialization failed!\n");
return ret;
ecb_arc4_err:
- crypto_unregister_alg(&ifxdeu_ecb_arc4_alg);
+ crypto_unregister_skcipher(&ifxdeu_ecb_arc4_alg);
printk (KERN_ERR "IFX ecb_arc4 initialization failed!\n");
return ret;
@@ -383,7 +389,7 @@
void ifxdeu_fini_arc4(void)
{
crypto_unregister_alg (&ifxdeu_arc4_alg);
- crypto_unregister_alg (&ifxdeu_ecb_arc4_alg);
+ crypto_unregister_skcipher (&ifxdeu_ecb_arc4_alg);
}
diff -ruN a/package/kernel/lantiq/ltq-deu/src/ifxmips_des.c b/package/kernel/lantiq/ltq-deu/src/ifxmips_des.c
--- a/package/kernel/lantiq/ltq-deu/src/ifxmips_des.c 2021-04-13 15:58:26.750900129 +0200
+++ b/package/kernel/lantiq/ltq-deu/src/ifxmips_des.c 2021-04-19 14:22:14.882556551 +0200
@@ -50,6 +50,7 @@
#include <linux/delay.h>
#include <asm/byteorder.h>
#include <crypto/algapi.h>
+#include <crypto/internal/skcipher.h>