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-rw-r--r--package/kernel/lantiq/ltq-deu/Makefile2
-rw-r--r--package/kernel/lantiq/ltq-deu/src/ifxmips_des.c87
2 files changed, 58 insertions, 31 deletions
diff --git a/package/kernel/lantiq/ltq-deu/Makefile b/package/kernel/lantiq/ltq-deu/Makefile
index e5a7d0d86f..8ac37f5d2d 100644
--- a/package/kernel/lantiq/ltq-deu/Makefile
+++ b/package/kernel/lantiq/ltq-deu/Makefile
@@ -21,7 +21,7 @@ define KernelPackage/ltq-deu-template
TITLE:=deu driver for $(1)
URL:=http://www.lantiq.com/
VARIANT:=$(1)
- DEPENDS:=@TARGET_lantiq_$(2) +kmod-crypto-manager @LINUX_5_4
+ DEPENDS:=@TARGET_lantiq_$(2) +kmod-crypto-manager +kmod-crypto-des @LINUX_5_4
FILES:=$(PKG_BUILD_DIR)/ltq_deu_$(1).ko
AUTOLOAD:=$(call AutoProbe,ltq_deu_$(1))
endef
diff --git a/package/kernel/lantiq/ltq-deu/src/ifxmips_des.c b/package/kernel/lantiq/ltq-deu/src/ifxmips_des.c
index 6b24e0f4b4..a223e8ec38 100644
--- a/package/kernel/lantiq/ltq-deu/src/ifxmips_des.c
+++ b/package/kernel/lantiq/ltq-deu/src/ifxmips_des.c
@@ -50,6 +50,7 @@
#include <linux/delay.h>
#include <asm/byteorder.h>
#include <crypto/algapi.h>
+#include <crypto/des.h>
#include <crypto/internal/skcipher.h>
#include "ifxmips_deu.h"
@@ -106,11 +107,13 @@ void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes);
void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg,
u8 *iv_arg, u32 nbytes, int encdec, int mode);
-struct des_ctx {
+struct ifx_deu_des_ctx {
int controlr_M;
int key_length;
u8 iv[DES_BLOCK_SIZE];
u32 expkey[DES3_EDE_EXPKEY_WORDS];
+ struct des_ctx des_context;
+ struct des3_ede_ctx des3_ede_context;
};
extern int disable_multiblock;
@@ -127,20 +130,32 @@ extern int disable_deudma;
int des_setkey(struct crypto_tfm *tfm, const u8 *key,
unsigned int keylen)
{
- struct des_ctx *dctx = crypto_tfm_ctx(tfm);
+ struct ifx_deu_des_ctx *dctx = crypto_tfm_ctx(tfm);
+ int err;
//printk("setkey in %s\n", __FILE__);
+ err = des_expand_key(&dctx->des_context, key, keylen);
+ if (err == -ENOKEY) {
+ if (crypto_tfm_get_flags(tfm) & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)
+ err = -EINVAL;
+ else
+ err = 0;
+ }
+
dctx->controlr_M = 0; // des
dctx->key_length = keylen;
memcpy ((u8 *) (dctx->expkey), key, keylen);
- return 0;
+ if (err)
+ memset(dctx, 0, sizeof(*dctx));
+
+ return err;
}
-/*! \fn int des_set_key (struct crypto_skcipher *tfm, const uint8_t *in_key, unsigned int key_len)
+/*! \fn int des_setkey_skcipher (struct crypto_skcipher *tfm, const uint8_t *in_key, unsigned int key_len)
* \ingroup IFX_AES_FUNCTIONS
* \brief sets the AES keys for skcipher
* \param tfm linux crypto skcipher
@@ -170,7 +185,7 @@ void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg,
u8 *iv_arg, u32 nbytes, int encdec, int mode)
{
volatile struct des_t *des = (struct des_t *) DES_3DES_START;
- struct des_ctx *dctx = ctx_arg;
+ struct ifx_deu_des_ctx *dctx = ctx_arg;
u32 *key = dctx->expkey;
unsigned long flag;
@@ -360,31 +375,31 @@ void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src,
ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 4);
}
-/*! \fn void des_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in)
+/*! \fn void ifx_deu_des_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in)
* \ingroup IFX_DES_FUNCTIONS
* \brief encrypt DES_BLOCK_SIZE of data
* \param tfm linux crypto algo transform
* \param out output bytestream
* \param in input bytestream
*/
-void des_encrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in)
+void ifx_deu_des_encrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in)
{
- struct des_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(tfm);
ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE,
CRYPTO_DIR_ENCRYPT, 0);
}
-/*! \fn void des_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in)
+/*! \fn void ifx_deu_des_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in)
* \ingroup IFX_DES_FUNCTIONS
* \brief encrypt DES_BLOCK_SIZE of data
* \param tfm linux crypto algo transform
* \param out output bytestream
* \param in input bytestream
*/
-void des_decrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in)
+void ifx_deu_des_decrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in)
{
- struct des_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(tfm);
ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE,
CRYPTO_DIR_DECRYPT, 0);
}
@@ -413,16 +428,28 @@ void des_decrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in)
int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key,
unsigned int keylen)
{
- struct des_ctx *dctx = crypto_tfm_ctx(tfm);
+ struct ifx_deu_des_ctx *dctx = crypto_tfm_ctx(tfm);
+ int err;
//printk("setkey in %s\n", __FILE__);
+ err = des3_ede_expand_key(&dctx->des3_ede_context, key, keylen);
+ if (err == -ENOKEY) {
+ if (crypto_tfm_get_flags(tfm) & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)
+ err = -EINVAL;
+ else
+ err = 0;
+ }
+
dctx->controlr_M = keylen / 8 + 1; // 3DES EDE1 / EDE2 / EDE3 Mode
dctx->key_length = keylen;
memcpy ((u8 *) (dctx->expkey), key, keylen);
- return 0;
+ if (err)
+ memset(dctx, 0, sizeof(*dctx));
+
+ return err;
}
/*! \fn int des3_ede_setkey_skcipher(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen)
@@ -447,7 +474,7 @@ struct crypto_alg ifxdeu_des_alg = {
.cra_priority = 300,
.cra_flags = CRYPTO_ALG_TYPE_CIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct des_ctx),
+ .cra_ctxsize = sizeof(struct ifx_deu_des_ctx),
.cra_module = THIS_MODULE,
.cra_alignmask = 3,
.cra_list = LIST_HEAD_INIT(ifxdeu_des_alg.cra_list),
@@ -455,8 +482,8 @@ struct crypto_alg ifxdeu_des_alg = {
.cia_min_keysize = DES_KEY_SIZE,
.cia_max_keysize = DES_KEY_SIZE,
.cia_setkey = des_setkey,
- .cia_encrypt = des_encrypt,
- .cia_decrypt = des_decrypt } }
+ .cia_encrypt = ifx_deu_des_encrypt,
+ .cia_decrypt = ifx_deu_des_decrypt } }
};
/*
@@ -467,17 +494,17 @@ struct crypto_alg ifxdeu_des3_ede_alg = {
.cra_driver_name = "ifxdeu-des3_ede",
.cra_priority = 300,
.cra_flags = CRYPTO_ALG_TYPE_CIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct des_ctx),
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct ifx_deu_des_ctx),
.cra_module = THIS_MODULE,
.cra_alignmask = 3,
.cra_list = LIST_HEAD_INIT(ifxdeu_des3_ede_alg.cra_list),
.cra_u = { .cipher = {
- .cia_min_keysize = DES_KEY_SIZE,
- .cia_max_keysize = DES_KEY_SIZE,
+ .cia_min_keysize = DES3_EDE_KEY_SIZE,
+ .cia_max_keysize = DES3_EDE_KEY_SIZE,
.cia_setkey = des3_ede_setkey,
- .cia_encrypt = des_encrypt,
- .cia_decrypt = des_decrypt } }
+ .cia_encrypt = ifx_deu_des_encrypt,
+ .cia_decrypt = ifx_deu_des_decrypt } }
};
/*! \fn int ecb_des_encrypt(struct skcipher_req *req)
@@ -488,7 +515,7 @@ struct crypto_alg ifxdeu_des3_ede_alg = {
*/
int ecb_des_encrypt(struct skcipher_request *req)
{
- struct des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
struct skcipher_walk walk;
int err;
unsigned int enc_bytes, nbytes;
@@ -514,7 +541,7 @@ int ecb_des_encrypt(struct skcipher_request *req)
*/
int ecb_des_decrypt(struct skcipher_request *req)
{
- struct des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
struct skcipher_walk walk;
int err;
unsigned int dec_bytes, nbytes;
@@ -542,7 +569,7 @@ struct skcipher_alg ifxdeu_ecb_des_alg = {
.base.cra_priority = 400,
.base.cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
.base.cra_blocksize = DES_BLOCK_SIZE,
- .base.cra_ctxsize = sizeof(struct des_ctx),
+ .base.cra_ctxsize = sizeof(struct ifx_deu_des_ctx),
.base.cra_module = THIS_MODULE,
.base.cra_list = LIST_HEAD_INIT(ifxdeu_ecb_des_alg.base.cra_list),
.min_keysize = DES_KEY_SIZE,
@@ -561,7 +588,7 @@ struct skcipher_alg ifxdeu_ecb_des3_ede_alg = {
.base.cra_priority = 400,
.base.cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
.base.cra_blocksize = DES3_EDE_BLOCK_SIZE,
- .base.cra_ctxsize = sizeof(struct des_ctx),
+ .base.cra_ctxsize = sizeof(struct ifx_deu_des_ctx),
.base.cra_module = THIS_MODULE,
.base.cra_list = LIST_HEAD_INIT(ifxdeu_ecb_des3_ede_alg.base.cra_list),
.min_keysize = DES3_EDE_KEY_SIZE,
@@ -579,7 +606,7 @@ struct skcipher_alg ifxdeu_ecb_des3_ede_alg = {
*/
int cbc_des_encrypt(struct skcipher_request *req)
{
- struct des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
struct skcipher_walk walk;
int err;
unsigned int enc_bytes, nbytes;
@@ -607,7 +634,7 @@ int cbc_des_encrypt(struct skcipher_request *req)
*/
int cbc_des_decrypt(struct skcipher_request *req)
{
- struct des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
struct skcipher_walk walk;
int err;
unsigned int dec_bytes, nbytes;
@@ -636,7 +663,7 @@ struct skcipher_alg ifxdeu_cbc_des_alg = {
.base.cra_priority = 400,
.base.cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
.base.cra_blocksize = DES_BLOCK_SIZE,
- .base.cra_ctxsize = sizeof(struct des_ctx),
+ .base.cra_ctxsize = sizeof(struct ifx_deu_des_ctx),
.base.cra_module = THIS_MODULE,
.base.cra_list = LIST_HEAD_INIT(ifxdeu_cbc_des_alg.base.cra_list),
.min_keysize = DES_KEY_SIZE,
@@ -656,7 +683,7 @@ struct skcipher_alg ifxdeu_cbc_des3_ede_alg = {
.base.cra_priority = 400,
.base.cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_KERN_DRIVER_ONLY,
.base.cra_blocksize = DES3_EDE_BLOCK_SIZE,
- .base.cra_ctxsize = sizeof(struct des_ctx),
+ .base.cra_ctxsize = sizeof(struct ifx_deu_des_ctx),
.base.cra_module = THIS_MODULE,
.base.cra_list = LIST_HEAD_INIT(ifxdeu_cbc_des3_ede_alg.base.cra_list),
.min_keysize = DES3_EDE_KEY_SIZE,
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-20 17:34:42 +0000