mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 14:13:16 +00:00
7604e53d5f
Refreshed all patches. Remove upstreamed: - 302-0002-dmaengine-dw-implement-per-channel-protection-contro.patch Fixes: - CVE-2019-19332 Compile-tested on: cns3xxx Runtime-tested on: cns3xxx Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
160 lines
5.5 KiB
Diff
160 lines
5.5 KiB
Diff
From a8d79d7bfb14f471914017103ee2329a74e5e89d Mon Sep 17 00:00:00 2001
|
|
From: Christian Lamparter <chunkeey@gmail.com>
|
|
Date: Thu, 19 Apr 2018 18:41:51 +0200
|
|
Subject: crypto: crypto4xx - performance optimizations
|
|
|
|
This patch provides a cheap 2MiB/s+ (~ 6%) performance
|
|
improvement over the current code. This is because the
|
|
compiler can now optimize several endian swap memcpy.
|
|
|
|
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
|
|
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
|
|
---
|
|
drivers/crypto/amcc/crypto4xx_alg.c | 32 +++++++++++++++++++-------------
|
|
drivers/crypto/amcc/crypto4xx_core.c | 22 +++++++++++-----------
|
|
drivers/crypto/amcc/crypto4xx_core.h | 6 ++++--
|
|
3 files changed, 34 insertions(+), 26 deletions(-)
|
|
|
|
--- a/drivers/crypto/amcc/crypto4xx_alg.c
|
|
+++ b/drivers/crypto/amcc/crypto4xx_alg.c
|
|
@@ -74,32 +74,38 @@ static void set_dynamic_sa_command_1(str
|
|
sa->sa_command_1.bf.copy_hdr = cp_hdr;
|
|
}
|
|
|
|
-int crypto4xx_encrypt(struct ablkcipher_request *req)
|
|
+static inline int crypto4xx_crypt(struct ablkcipher_request *req,
|
|
+ const unsigned int ivlen, bool decrypt)
|
|
{
|
|
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
|
|
- unsigned int ivlen = crypto_ablkcipher_ivsize(
|
|
- crypto_ablkcipher_reqtfm(req));
|
|
__le32 iv[ivlen];
|
|
|
|
if (ivlen)
|
|
crypto4xx_memcpy_to_le32(iv, req->info, ivlen);
|
|
|
|
return crypto4xx_build_pd(&req->base, ctx, req->src, req->dst,
|
|
- req->nbytes, iv, ivlen, ctx->sa_out, ctx->sa_len, 0);
|
|
+ req->nbytes, iv, ivlen, decrypt ? ctx->sa_in : ctx->sa_out,
|
|
+ ctx->sa_len, 0);
|
|
}
|
|
|
|
-int crypto4xx_decrypt(struct ablkcipher_request *req)
|
|
+int crypto4xx_encrypt_noiv(struct ablkcipher_request *req)
|
|
{
|
|
- struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
|
|
- unsigned int ivlen = crypto_ablkcipher_ivsize(
|
|
- crypto_ablkcipher_reqtfm(req));
|
|
- __le32 iv[ivlen];
|
|
+ return crypto4xx_crypt(req, 0, false);
|
|
+}
|
|
|
|
- if (ivlen)
|
|
- crypto4xx_memcpy_to_le32(iv, req->info, ivlen);
|
|
+int crypto4xx_encrypt_iv(struct ablkcipher_request *req)
|
|
+{
|
|
+ return crypto4xx_crypt(req, AES_IV_SIZE, false);
|
|
+}
|
|
|
|
- return crypto4xx_build_pd(&req->base, ctx, req->src, req->dst,
|
|
- req->nbytes, iv, ivlen, ctx->sa_in, ctx->sa_len, 0);
|
|
+int crypto4xx_decrypt_noiv(struct ablkcipher_request *req)
|
|
+{
|
|
+ return crypto4xx_crypt(req, 0, true);
|
|
+}
|
|
+
|
|
+int crypto4xx_decrypt_iv(struct ablkcipher_request *req)
|
|
+{
|
|
+ return crypto4xx_crypt(req, AES_IV_SIZE, true);
|
|
}
|
|
|
|
/**
|
|
--- a/drivers/crypto/amcc/crypto4xx_core.c
|
|
+++ b/drivers/crypto/amcc/crypto4xx_core.c
|
|
@@ -585,7 +585,7 @@ static void crypto4xx_aead_done(struct c
|
|
struct scatterlist *dst = pd_uinfo->dest_va;
|
|
size_t cp_len = crypto_aead_authsize(
|
|
crypto_aead_reqtfm(aead_req));
|
|
- u32 icv[cp_len];
|
|
+ u32 icv[AES_BLOCK_SIZE];
|
|
int err = 0;
|
|
|
|
if (pd_uinfo->using_sd) {
|
|
@@ -600,7 +600,7 @@ static void crypto4xx_aead_done(struct c
|
|
if (pd_uinfo->sa_va->sa_command_0.bf.dir == DIR_OUTBOUND) {
|
|
/* append icv at the end */
|
|
crypto4xx_memcpy_from_le32(icv, pd_uinfo->sr_va->save_digest,
|
|
- cp_len);
|
|
+ sizeof(icv));
|
|
|
|
scatterwalk_map_and_copy(icv, dst, aead_req->cryptlen,
|
|
cp_len, 1);
|
|
@@ -610,7 +610,7 @@ static void crypto4xx_aead_done(struct c
|
|
aead_req->assoclen + aead_req->cryptlen -
|
|
cp_len, cp_len, 0);
|
|
|
|
- crypto4xx_memcpy_from_le32(icv, icv, cp_len);
|
|
+ crypto4xx_memcpy_from_le32(icv, icv, sizeof(icv));
|
|
|
|
if (crypto_memneq(icv, pd_uinfo->sr_va->save_digest, cp_len))
|
|
err = -EBADMSG;
|
|
@@ -1127,8 +1127,8 @@ static struct crypto4xx_alg_common crypt
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
|
.ivsize = AES_IV_SIZE,
|
|
.setkey = crypto4xx_setkey_aes_cbc,
|
|
- .encrypt = crypto4xx_encrypt,
|
|
- .decrypt = crypto4xx_decrypt,
|
|
+ .encrypt = crypto4xx_encrypt_iv,
|
|
+ .decrypt = crypto4xx_decrypt_iv,
|
|
}
|
|
}
|
|
}},
|
|
@@ -1151,8 +1151,8 @@ static struct crypto4xx_alg_common crypt
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
|
.ivsize = AES_IV_SIZE,
|
|
.setkey = crypto4xx_setkey_aes_cfb,
|
|
- .encrypt = crypto4xx_encrypt,
|
|
- .decrypt = crypto4xx_decrypt,
|
|
+ .encrypt = crypto4xx_encrypt_iv,
|
|
+ .decrypt = crypto4xx_decrypt_iv,
|
|
}
|
|
}
|
|
} },
|
|
@@ -1200,8 +1200,8 @@ static struct crypto4xx_alg_common crypt
|
|
.min_keysize = AES_MIN_KEY_SIZE,
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
|
.setkey = crypto4xx_setkey_aes_ecb,
|
|
- .encrypt = crypto4xx_encrypt,
|
|
- .decrypt = crypto4xx_decrypt,
|
|
+ .encrypt = crypto4xx_encrypt_noiv,
|
|
+ .decrypt = crypto4xx_decrypt_noiv,
|
|
}
|
|
}
|
|
} },
|
|
@@ -1224,8 +1224,8 @@ static struct crypto4xx_alg_common crypt
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
|
.ivsize = AES_IV_SIZE,
|
|
.setkey = crypto4xx_setkey_aes_ofb,
|
|
- .encrypt = crypto4xx_encrypt,
|
|
- .decrypt = crypto4xx_decrypt,
|
|
+ .encrypt = crypto4xx_encrypt_iv,
|
|
+ .decrypt = crypto4xx_decrypt_iv,
|
|
}
|
|
}
|
|
} },
|
|
--- a/drivers/crypto/amcc/crypto4xx_core.h
|
|
+++ b/drivers/crypto/amcc/crypto4xx_core.h
|
|
@@ -168,8 +168,10 @@ int crypto4xx_setkey_aes_ofb(struct cryp
|
|
const u8 *key, unsigned int keylen);
|
|
int crypto4xx_setkey_rfc3686(struct crypto_ablkcipher *cipher,
|
|
const u8 *key, unsigned int keylen);
|
|
-int crypto4xx_encrypt(struct ablkcipher_request *req);
|
|
-int crypto4xx_decrypt(struct ablkcipher_request *req);
|
|
+int crypto4xx_encrypt_iv(struct ablkcipher_request *req);
|
|
+int crypto4xx_decrypt_iv(struct ablkcipher_request *req);
|
|
+int crypto4xx_encrypt_noiv(struct ablkcipher_request *req);
|
|
+int crypto4xx_decrypt_noiv(struct ablkcipher_request *req);
|
|
int crypto4xx_rfc3686_encrypt(struct ablkcipher_request *req);
|
|
int crypto4xx_rfc3686_decrypt(struct ablkcipher_request *req);
|
|
int crypto4xx_sha1_alg_init(struct crypto_tfm *tfm);
|